Comptia N Number: N Passing Score: 720 Time Limit: 120 min File Version:

Transcription

1 Comptia N Number: N Passing Score: 720 Time Limit: 120 min File Version:

2 Exam A QUESTION 1 Which of the following network tools is used to identify running services on host devices? A. IDS B. IPS C. Firewall D. NMAP QUESTION 2 Which of the following security devices is used in providing packet and MAC address filtering services for the network? A. Host-based proxy server B. Network-based firewall C. IDS D. IPS QUESTION 3 "First Test, First Pass" CompTIA N Exam Which of the following would Kim, a technician, use in voice over IP communications? A. SNTP B. SCP C. SMTP D. SIP QUESTION 4 Which of the following is the MOST appropriate to use when routing Internet traffic through multiple ISP connections? A. BGP B. SNAT C. RIP D. GPG

3 QUESTION 5 Which of the following protocols allows more than three non-overlapping channels? A a B g C q D /Reference: QUESTION 6 Which of the following represents the physical address of a network access card? A. FF01:D2:C4:87::11 B B-C8 C. 08-9D L2-34-FF-21 D. 2D1A:C3:0:1C3B:2AD:FF:FEBE:9D3A QUESTION 7 ADSL, PPP, and ATM all operate at which of the following layers of the OSI model? A. Layer 1 B. Layer 2 C. Layer 4 D. Layer 7 /Reference:

4 QUESTION 8 Which of the following OSI layers BEST describes where an HTTP proxy operates? A. Transport B. Application C. Presentation D. Session QUESTION 9 Which of the following would be MOST useful to alert Jeff, an administrator, that a denial of service attack is occurring? A. RAS B. RDP C. IDS D. VPN QUESTION 10 A MAC address is used at which of the following layers of the OSI model? A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 QUESTION 11 Multimode fiber should be used in place of copper when: A. distances are short. B. EMI is a concern. C. PoE is necessary. D. the switch has BNC connectors. QUESTION 12 Zach, an administrator, needs to install a new 100 foot (30 meter) cable run from an IDF switch to the MDF,

5 through a room that has a large number of motors. Which of the following would be the BEST cable type to choose? A. CAT3 B. STP C. Coaxial D. Fiber /Reference: QUESTION 13 A network device is more than 100 meters (328 feet) from a 24-port copper switch. Which of the following can be used to connect the device to the network? A. Fiber multiplexer B. Repeater C. Attenuator D. OTDR QUESTION 14 Which of the following regulates the amount of network traffic a single node receives in a server cluster? A. Load balancer B. Proxy server C. Content filter D. Quality of service QUESTION 15 Lisa, an administrator, wants to limit the wireless guest network traffic to 100Kbps so that utilization issues do not occur on the company's T1 Internet access network. Which of the following optimizations should Lisa implement? A. Load balancing B. Caching engine C. Traffic shaping D. Quality of service

6 QUESTION 16 Which of the following evaluates packet payload when detecting network threats? A. IPS B. Proxy server C. Caching server D. Content filter /Reference: QUESTION 17 A disassociation request is a way to mitigate which of the following threats? A. ARP poisoning B. Rogue AP C. Man-in-the-middle attack D. Botnet QUESTION 18 A crossover cable is MOST commonly associated with which of the following layers of the OSI model? A. Session B. Application C. Network D. Physical QUESTION 19 Which of the following documents will allow Kim, an administrator, to determine a change from the standard default system configuration? A. Baseline B. Physical network diagram C. Wiring schematic D. Logical diagram

7 QUESTION 20 Which of the following capabilities of a firewall allows Zach, an administrator, to block traffic based on key words determined by the company? A. Stateless traffic monitor B. Stateful traffic monitor C. Signature identification D. Content filter QUESTION 21 Which of the following allows a malicious attacker to view network traffic if the attacker is on the same network segment as Jeff, an administrator? A. DoS attack B. Man-in-the-middle attack C. Smurf attack D. Xmas attack /Reference: QUESTION 22 Which of the following cable types would have the LEAST amount of EMI? A. CAT3 B. CAT5 C. STP CAT6 D. Plenum CAT6 QUESTION 23 Which of the following WAN technologies uses four wires for digital and a 66 block? A. Cable B. ATM C. T3 D. POTS

8 QUESTION 24 Which of the following has the HIGHEST data rate speed? A. T1 B. ADSL C. SDSL D. OC-3 QUESTION 25 Which of the following is designed to be used with multimode fiber over short wavelengths? A. 10GBaseLW B. 10GBaseER C. 10GBaseSW D. 10GBaseLR QUESTION 26 Kim, an administrator, wants to list all the network connections to and from the server. Which of the following commands would MOST likely be used? A. traceroute B. ping C. ipconfig D. netstat /Reference: QUESTION 27 Kim, an administrator, finds a phone line but does not know where the line goes or if it is active. Which of the following can be used to test if it is active? A. Butt set B. Punch down tool C. Cable tester D. Cable stripper

9 QUESTION 28 Which of the following is used to verify configuration updates on a firewall? A. Signature identification B. Access control lists C. Scanning services D. Content filtering QUESTION 29 Which of the following sizes is the fixed cell length in ATM? A. 8 bytes B. 53 bytes C. 64 kilobytes D. 128 kilobytes QUESTION 30 Which of the following devices should Jeff, an administrator, connect to a protocol analyzer in order to collect all of the traffic on a LAN segment? A. Hub B. VLAN C. Router D. Server /Reference: QUESTION 31 In the 2.4GHz range, which of the following channel combinations are non-overlapping? A. 1, 6, 11 B. 2, 7, 10 C. 2, 8, 13 D. 3, 6, 9

10 QUESTION 32 Which of the following tools would Zach, an administrator, use to identify opens and shorts? A. Ohmmeter B. Protocol analyzer C. Cable tester D. Multimeter QUESTION 33 Which of the following technologies relies on a ticket granting server to allow clients to verify their identity? A. TACACS+ B. Kerberos C. PKI D. RADIUS QUESTION 34 Which of the following is used to transfer files between computers? A. FTP B. DHCP C. ARP D. NTP QUESTION 35 Lisa, an administrator, determines there are an excessive number of packets being sent to a web server repeatedly by a small number of external IP addresses. This is an example of which of the following attacks? A. DDoS B. Viruses C. Worms D. Man-in-the-middle

11 /Reference: QUESTION 36 Which of the following authenticates, allows, and controls the execution of router commands? A. PKI B. RADIUS C. Kerberos D. TACACS+ QUESTION 37 Which of the following is true of NIPS? A. Routes traffic to the proper port B. Detects malicious host traffic C. Detects and prevents harmful traffic D. Prevents traffic on network hosts QUESTION 38 A user's new computer is not able to connect to the network at all. Upon further investigation, Kim, the administrator, finds that the wall jack is terminated with a 568B configuration. After locating the correct cable in the IDF, which of the following is the MOST likely cause of the problem? A. Other end of the cable is terminated with a 568B configuration B. Trunk port on the switch is disabled C. Other end of the cable is terminated with a 568A configuration D. Wall jack needs to be replaced with a smart jack QUESTION 39 Which of the following network access methods is the MOST secure? A. PPPoE B. SIP C. RSH D. IPSec

12 /Reference: QUESTION 40 Lisa, a technician, is reporting wireless transmission speeds of 300Mbps. Which of the following wireless standards is being used? A a B b C g D n QUESTION 41 Which of the following handles HTTP requests on behalf of the client? A. Bandwidth shaper B. DNS server C. Proxy server D. Load balancer QUESTION 42 The selection of the correct punch down tool to use depends on which of the following? A. Connector type B. Demarcation point location C. Block type D. Switch location QUESTION 43 Which of the following services do TCP connections provide to application layer protocols? (Select TWO). A. Transport services without error recovery B. Large data size manageability using segmentation C. Secure Kerberos password encryption on data D. Delivery through error recovery E. Proxy server authentication D

13 QUESTION 44 Which of the following devices monitors and reroutes malicious traffic being sent to a host? A. Bandwidth shaper B. IPS C. DNS server D. Load balancer /Reference: QUESTION 45 Which of the following devices will allow Lisa, a user, to see a cached copy of websites? A. Content switch B. DNS server C. Proxy server D. Load balancer QUESTION 46 Kim, a user, reports that the web browser is indicating the site certificate is not trusted. Which of the following attacks may be in progress? A. Man-in-the-middle B. Denial of service C. Ping flooding D. Smurfing QUESTION 47 Which of the following uses a ring topology? A. DSL B. Ethernet C. DOCSIS D. SONET

14 QUESTION 48 Which of the following has a DB-9 connector? A. SC B. RS-232 C. LC D. RJ-45 QUESTION 49 Which of the following technologies is used to connect public networks using POTS lines? A. OC3 B. OC12 C. PSTN D. Cable /Reference: QUESTION 50 Users are unable to access the company's intranet website. Which of the following attacks has the network MOST likely experienced? A. Man-in-the-middle B. Smurf C. Trojan D. DoS QUESTION 51 Which of the following defines access for a network? A. ACL B. RDP C. RAS D. ARP

15 QUESTION 52 Which of the following is a form of encrypting packets for safe, secure data transmission within a network? A. RAS B. PPTP C. IPSec D. ICA QUESTION 53 Which of the following is the BEST method to ensure network performance on a VoIP network? A. Traffic shaping B. Quality of service C. Load balancing D. Caching engines /Reference: QUESTION 54 Which of the following tools would Lisa, an administrator, use to determine if there is a problem with a telephone line? A. Port scanner B. Punch down tool C. Butt set D. Toner probe QUESTION 55 Which of the following tools would BEST be used to verify if a network cable is properly terminated? A. Multimeter B. Cable certifier C. Toner probe D. Cable stripper

16 QUESTION 56 Kim, an administrator, would like to inspect all traffic flowing over the SMTP protocol on a given network. Which of the following tools would accomplish this? (Select TWO). A. Packet sniffer B. Honeypot C. Port mirroring D. IPS E. Port scanner F. IDS C /Reference: QUESTION 57 Which of the following colors represents the outer leads on a connector head of a 568B patch cable? (Select TWO). A. Blue, brown/white B. Green/white, blue C. Orange/white, orange D. Blue, blue/white E. Brown/white, brown E /Reference: QUESTION 58 Kim, an administrator, has created a patch cable. Which of the following tools should she use to check the integrity of the cable? A. Protocol analyzer B. Toner probe C. Cable certifier D. Cable stripper

17 QUESTION 59 PKI is a method of user authentication which uses which of the following? A. Various router commands B. Access control lists C. Certificate services D. A RADIUS server QUESTION 60 Kim and Zach, attackers, use which of the following network scanners to see the protocols that are being used? (Select TWO). A. IDS B. Packet sniffer C. Port scanners D. Malware scanner E. Ping sweep C QUESTION 61 Lisa, an administrator, believes that the network has been attacked and MAC addresses have been captured allowing unauthorized computers to access the network. Which of the following tools did the attackers MOST likely use to accomplish this? A. Intrusion prevention software B. Packet sniffer C. Intrusion detection software D. Port scanner QUESTION 62 Lisa, an administrator, believes that the network has been attacked and there is no known definition or prevention method to help avoid this attack. Which of the following BEST describes this scenario? A. Zero day attack

18 B. DDoS C. DoS D. SQL injection /Reference: QUESTION 63 Kim, an administrator, wants to verify which protocols are in use on the network. Which of the following tools should she use? A. Intrusion detection software B. PoE C. Packet sniffer D. Intrusion prevention software QUESTION 64 Lisa, an administrator, needs to install a wireless network that will allow legacy devices to connect to the network and also offer both 5GHz and 2.4GHz frequencies. Which of the following would BEST describe the type of WAP needed? A a B b C g D n QUESTION 65 Which of the following is the MAXIMUM distance a single 1000BaseT segment can cover? A. 100 kilometers (62 miles) B. 10 kilometers (6 miles) C meters (3281 feet) D. 100 meters (328 feet) QUESTION 66 Which of the following is the MAXIMUM distance of a CAT5e cable on a single run when using Ethernet?

19 A meters (3281 feet) B. 323 meters (1060 feet) C. 512 meters (1680 feet) D. 100 meters (328 feet) /Reference: QUESTION 67 Which of the following wireless standards operates on the same frequency as a? A. Compatible with b wireless networks B. Compatible with g wireless networks C. Compatible with i wireless networks D. Compatible with n wireless networks QUESTION 68 Which of the following components would a technician plug into a smart jack? A. 25 pair cable B. 100 pair cable C. Patch cable D. Patch panel QUESTION 69 Which of the following is used by RADIUS to encrypt messages between the server and the client? A. Public key B. CSU/DSU C. Private key D. Shared secret QUESTION 70 Which of the following security measures is the LEAST intrusive on an end device?

20 A. NIPS B. Host-based firewall C. Antivirus D. HIDS QUESTION 71 Which of the following physical network topologies is MOST likely to be used in an FDDI network? A. Star B. Mesh C. Bus D. Ring /Reference: QUESTION 72 Which of the following network scanners detects and sends out alerts for malicious network activity? A. Packet sniffers B. IDS C. Port scanners D. IPS QUESTION 73 Which of the following connectors push and twist-on? A. LC B. SC C. ST D. RJ-45 QUESTION 74 Which of the following is a social engineering attack? A. Worms

21 B. Man-in-the-middle C. Phishing D. Evil twin QUESTION 75 Which of the following performs posture assessments for unknown devices that connect to the network? A. PKI B. EAP C. NAC D. AAA /Reference: QUESTION 76 Peer to peer networks are used to pass information in between which of the following? A. Several clients to a centralized server B. One client to another C. Several servers to several centralized clients D. One client to a centralized server QUESTION 77 Which of the following threats is MOST likely to enable an attacker to modify data in transit? A. DoS B. Smurf attack C. Virus D. Man-in-the-middle QUESTION 78 Which of the following mitigation techniques is MOST effective against a DoS attack? A. IDS B. Antivirus

22 C. Redundancy D. Backups QUESTION 79 Which of the following solutions will detect and disable a rogue access point? A. Port scan B. Packet sniffer C. IPS D. IDS QUESTION 80 Which of the following is a valid MAC address? A. 00:AB:C4:FE:60:D3 B. 00-AE-S3-BC-90-F7 C BC-DA-97 D. 15:FA:97:44:AB /Reference: QUESTION 81 Which of the following connector types will MOST likely be located on a serial cable? A. DB-9 B. LC C. ST D. BNC QUESTION 82 T568B wiring scheme is typically found on which of the following components? A. Demarc extension B. 66 block C. Patch panel

23 D. Vertical cross connect QUESTION 83 Which of the following is an encrypted remote access protocol? A. RDP B. PoE C. RAS D. PPP QUESTION 84 Port scanners and packet sniffers differ in functionality because: A. packet sniffers and port scanners are just different names for the same device. B. packet sniffers can only log events on traffic activity and port scanners can route malicious packets. C. packet sniffers watch all traffic over certain ports and port scanners watch traffic on certain NICs. D. port scanners are limited to detecting open ports and packet sniffers watch all traffic. QUESTION 85 A network topology in which the bandwidth dependency is distributed evenly amongst a large number of interconnected clients is known as a: A. peer-to-peer. B. bus. C. star. D. client/server. /Reference: QUESTION 86 Jeff, an administrator, wishes to add a third network segment to the firewall where the company's public web servers will be placed. Which of the following BEST describes this new segment? A. PKI B. VPN

24 C. IPS D. DMZ QUESTION 87 Which of the following would the telecommunications carrier use to segregate customer traffic over long fiber links? A. VLAN B. MPLS C. VPN D. PSTN QUESTION 88 Which of the following network topologies would be separated into two networks if a client in the middle is removed or the cable is cut? A. Mesh B. Ring C. Bus D. Star QUESTION 89 Which of the following can be configured to restrict specific ports and IP addresses from accessing the internal network? (Select TWO). A. Layer 2 switch B. MAC address filtering C. ACLs D. IIS server E. Port scanner F. Firewall F /Reference: QUESTION 90

25 Which of the following authentication solutions also provides AAA and uses TCP? A. TACACS+ B. Kerberos C. RADIUS D. RAS QUESTION 91 Which of the following would be used to test out the security of a specific network by allowing it to receive security attacks? A. Honeynet B. Honeypot C. Vulnerability scanner D. Network based IDS QUESTION 92 The protocols that use a three way handshake to transfer information can be found within which layer of the OSI model? A. Layer 2 B. Layer 3 C. Layer 4 D. Layer 5 QUESTION 93 Which of the following separates broadcast domains? A. Port mirroring B. Router C. Convergence D. Switch QUESTION 94 Which of the following would Kim, a technician, do to monitor remote traffic through an access point?

26 A. Enable an SNMP agent B. Enable network mapping C. Set monitoring SSID D. Select WPA2 /Reference: QUESTION 95 Which of the following commands can Lisa, a technician, use on a server to display the default router setting? A. ping B. nslookup C. route D. arp QUESTION 96 Which of the following commands can Lisa, a network technician, use to check whether the DNS server for a given domain is reachable? A. nmap B. nbtstat C. dig D. arp QUESTION 97 Which of the following could Kim, a network technician, use to find the approximate location of a break in a long network cable? A. Protocol analyzer B. Time domain reflectometer C. Toner probe D. Multimeter QUESTION 98

27 Which of the following protocols is commonly used for VoIP technology? A. Telnet B. SMTP C. SIP D. SNMP /Reference: QUESTION 99 Which of the following can Jeff, a technician, modify on an n router that is not available as an option on an g device? A. SSID B. Encryption C. Channels D. Spectrum QUESTION 100 Which of the following technologies could be implemented to improve call clarity when using VoIP technology? A. Static IP addressing B. Caching engines C. QoS D. Port forwarding

28 Exam B QUESTION 1 When Jeff, a technician, is troubleshooting a problem, which of the following is the NEXT step after verifying full system functionality? A. Establish a plan of action to resolve the problem and identify potential effects. B. Implement the solution. C. Establish a theory of probable cause. D. Document findings, actions, and outcomes. QUESTION 2 Kim, a network technician, is troubleshooting a problem and has just established a plan of action to resolve the problem. Which of the following is the NEXT step in the troubleshooting methodology? A. Verify full system functionality and if applicable implement preventative measures. B. Implement the solution or escalate as necessary. C. Document findings, actions, and outcomes. D. Establish a theory of probable cause (e.g. question the obvious). QUESTION 3 Lisa, a technician, is troubleshooting a cable problem. She has checked both ends and suspects an issue 50 yards (46 meters) from the location. Which of the following network tools will confirm this analysis? A. TDR B. Protocol analyzer C. Multimeter D. Cable crimper QUESTION 4 A switch in IDF 3 has shut down at 3 p.m. everyday this week. Which of the following network tools should Kim, a technician, use to troubleshoot this problem? A. Environmental monitor B. Cable tester C. TDR D. Loopback plug

29 QUESTION 5 Which of the following ports would Zach, a technician, need to open on a firewall to allow SSH on the default port? A. 20 B. 21 C. 22 D. 23 /Reference: QUESTION 6 Which of the following ports is the default telnet port? A. 20 B. 21 C. 22 D. 23 QUESTION 7 Which of the following tools would Lisa, a technician, BEST use to trace a wire through an area where multiple wires of the same color are twisted together? A. Cable tester B. Toner probe C. Cable crimper D. Punch down tool QUESTION 8 Which of the following DNS records would a web browser access to determine the IP address of an Internet web page? A. CNAME B. A C. MX D. PTR

30 QUESTION 9 Which of the following ports would have to be allowed through a firewall to allow SNMP traffic to pass on its default port? (Select TWO). A. 22 B. 23 C. 143 D. 161 E. 162 F E /Reference: QUESTION 10 Zach, a technician, wants to test a laptop's NIC for functionality but has no other networking equipment to attach it to. Which of the following would allow him to test basic functionality of the NIC? A. Loopback plug B. Protocol analyzer C. Smart jack D. Coupler QUESTION 11 Which of the following BEST describes how a layer 2 switch functions? A. Switches packets within the same subnet based on MAC addresses B. Switches packets between different subnets based on IP addresses C. Switches packets between different subnets based on MAC addresses D. Switches packets within the same subnet based on IP addresses QUESTION 12 A mobile user is no longer able to access network resources. Jeff, the network technician, is unable to ping the user's workstation. Which of the following commands would MOST likely be used on that workstation to verify its current network settings?

31 A. net share B. hostname C. ipconfig D. tracert QUESTION 13 Lisa, a technician, is tasked to monitor various analog POTS lines for voice activity. Which of the following hardware tools would be used? A. Butt set B. Toner probe C. Wire mapper D. Cable certifier /Reference: QUESTION 14 An analog POTS voice line is no longer working and Kim, the technician, is tasked to verify if a dial tone is present at the IDF. Which of the following tools would be used? A. Protocol analyzer B. Butt set C. OTDR D. Toner probe QUESTION 15 Which of the following hardware tools would MOST likely be used to verify Layer 1 connectivity? A. Multimeter B. Loopback plug C. Cable certifier D. CAT3 coupler QUESTION 16 Which of the following properties of DHCP would Lisa, a technician, use to ensure an IP address is not leased

32 out from the active scope? A. Reservations B. Lease times C. Removing IPs from the active leases D. Configuring the DNS options QUESTION 17 Which of the following is needed to allow DHCP to route to a different network separated by a Layer 3 device? A. DNS suffixes B. DHCP relay agent C. Static IP addressing D. Scope configuration QUESTION 18 A new user is reporting connectivity issues. Zach, the network technician, notices that there is no link light on the user's NIC. Which of the following would be used to verify the wiring back to the patch panel? A. Butt set B. Cable certifier C. Toner probe D. Snips /Reference: QUESTION 19 A user has no network connectivity. Jeff, the network technician, is unable to locate the CAT5e cable from the user at the IDF. Which of the following tools would be used to assist Jeff in locating the CAT5e cable? A. Butt set B. Punch down tool C. Toner probe D. Protocol analyzer

33 QUESTION 20 Kim, a network technician, needs to configure a port on a switch to provide connectivity and electrical support to a WAP being installed in a warehouse. Which of the following features needs to be configured on the switch? A. STP B. PoE C. VTP trunking D. Port forwarding QUESTION 21 Zach, a network technician, is unable to remotely manage or ping certain layer 2 switches. To manage those devices remotely, which of the following will MOST likely need to be configured? A. IP address on the native VLAN interface B. Port security C. Port forwarding D. IP address on the fiber interface QUESTION 22 Which of the following methods for network performance optimization is used to distribute traffic among similar devices? A. Fault tolerance B. QoS C. Proxy server D. Load balancing /Reference: QUESTION 23 Which of the following describes a rationale for a network with redundant paths? A. VPN compatibility B. Unified communications implementation C. High availability requirement D. QoS

34 QUESTION 24 Lisa, a network technician, needs to introduce a few more cables to the existing patch panel. Which of the following tools would she use? A. OTDR B. Multimeter C. Punch down tool D. Temperature monitor QUESTION 25 Which of the following is an example of a DHCP failover mechanism? A. APIPA B. Inactive lease C. Reservations D. Active lease QUESTION 26 Jeff, a network technician, is installing a wireless router. Which of the following should Jeff consider to get the BEST signal strength? A. WAP placement B. PoE devices C. MAC filtering D. Encryption type QUESTION 27 Lisa, a network technician, is troubleshooting a new wireless network that has been dropping connections. She notices another wireless network in the area. Which of the following BEST explains the reason for the dropped connections? A. Latency B. SSID mismatch C. Interference D. Encryption type

35 /Reference: QUESTION 28 Which of the following limits the number of devices that can be assigned IP addresses by DHCP? A. Lease B. Reservation C. DNS setting D. Scope QUESTION 29 Which of the following has a maximum transfer rate of 54Mbps and operates at the 5GHz frequency? A a B b C g D n QUESTION 30 Which of the following is used to create a secure connection between a client and a host? A. VLAN B. Proxy server C. IIS server D. VPN QUESTION 31 Which of the following devices is used to distribute network traffic equally over multiple links? A. Content filter B. DNS server C. Load balancer D. Proxy server

36 /Reference: QUESTION 32 Which of the following is used to restrict access according to user policies? A. Content filter B. DHCP server C. DNS server D. VPN concentrator QUESTION 33 Which of the following is used to filter outgoing network requests? A. Proxy server B. VPN concentrator C. DHCP server D. IIS server QUESTION 34 Kim, a technician, needs to locate a cable in an unorganized wiring closet. Which of the following tools will help her locate the cable? A. Protocol analyzer B. Cable tester C. Toner probe D. Punch down tool QUESTION 35 Zach, a technician, needs to terminate a CAT5e Ethernet cable to a 110 block. Which of the following tools should he use? A. Toner probe B. Punch down C. Wire tester D. Crimper

37 QUESTION 36 A user snapped the retention tab off of a network cable. Which of the following tools would Jeff, a technician, use to replace the RJ-45 connector? A. Wire tester B. Punch down C. Crimper D. Multimeter /Reference: QUESTION 37 There is suspected virus activity on the network. Which of the following would Lisa, a technician, use to study network traffic? A. Protocol analyzer B. Cable tester C. Cable certifier D. Environmental monitor QUESTION 38 Kim, a network technician, is installing an n network. Which of the following should Kim enable to ensure that the network only allows n clients? A. Name the SSID on the n network only B. Limit the DHCP address pool C. Disable b and g D. Only use WPA encryption QUESTION 39 Zach, a technician, is installing an n network. Which of the following should he disable to stop broadcasting the network name? A. Channel B. WEP C. SSID D. WPA

38 QUESTION 40 Zach, a network technician, has been troubleshooting a connectivity problem in the LAN room. He has diagnosed the problem and implemented a solution. Which of the following would be Zach's NEXT step? A. Test the theory B. Establish a plan of action C. Establish a theory D. Document findings /Reference: QUESTION 41 Which of the following network devices restricts traffic based on words, signatures, and URLs? A. Layer 2 switch B. Content filter C. Load balancer D. Traffic analyzer QUESTION 42 Which of the following network devices hides network nodes behind one public IP address? A. Layer 3 switch B. Content filter C. VPN server D. Proxy server QUESTION 43 A VPN concentrator is used for which of the following purposes? A. MAC filtering B. Content filtering C. Secure network access D. Connectivity troubleshooting

39 QUESTION 44 Jeff, a technician, has been asked to add a subnet to the company's LAN. Which of the following interfaces on the router will be modified? A. FastEthernet 0/0 B. AUX 0 C. Console 0 D. Serial 0/0/0 QUESTION 45 Lisa, a technician, has configured a new switch that is remotely accessed using SSH. The switch is working properly but cannot be accessed remotely. Which of the following items is MOST likely missing in the configuration? A. Port speed B. Cryptokey C. Data VLAN D. NAT/PAT /Reference: QUESTION 46 Jeff, a technician, is setting up an IDS security device. Which of the following should be configured on the switch to utilize the IDS? A. PoE B. Port mirroring C. Convergence D. Port speed QUESTION 47 Kim, a technician, needs to monitor network traffic for bandwidth analysis because of slow Internet downloads. Which of the following protocols will the tool use to show the necessary information? A. SNMP

40 B. NTP C. SIP D. PPTP QUESTION 48 Zach, a technician, suspects a duplicate IP address assignment on the network. Which of the following resources can be used to verify this problem? A. Network map B. Environmental monitor C. Placement map D. Syslog QUESTION 49 Kim, a user, on a wireless network reports an issue with network access while using a cordless phone. Which of the following is the MOST likely cause? A. Encryption type B. Channel selection C. Antenna placement D. Signal strength /Reference: QUESTION 50 Which of the following n features allows for the use of multiple simultaneous frequencies in order to increase usable bandwidth? A. Channel bonding B. MIMO C. Spatial reuse D. 20MHz channel spacing QUESTION 51 Zach, a technician, discovers a switch is not communicating with the other switches in a stack.

41 Which of the following is the MOST likely cause? A. Both T568A and T568B standards are being used. B. STP is disabled. C. The cable is not a crossover. D. The port is not trunked. QUESTION 52 Jeff, a technician, needs multiple networks, high speeds, and redundancy on a system. Which of the following configurations should Jeff consider for these requirements? (Select TWO). A. Routing table B. Next hop C. Port mirroring D. Port monitoring E. VLANs E QUESTION 53 Lisa, a user, reports the network is down. While troubleshooting, a technician walks into a communications closet and notices a small patch cable with both ends plugged into interfaces on the same switch. Which of the following is this an example of? A. Switch loop B. Port bonding C. Virtual switch D. Port mirroring /Reference: QUESTION 54 Kim, a user, cannot access the network using wireless. Which of the following is MOST likely the cause? A. TXRX is reversed B. Faulty crossover cable C. Incorrect WEP key D. A short in the cable pairs

42 QUESTION 55 Zach, a user, is unable to print to a network. The cable tests good and the correct VLAN is configured on the switch. Which of the following is MOST likely the cause? A. The printer was configured for DHCP. B. The switch was configured for trunking. C. The printer was configured for duplexing. D. The switch was configured for PoE. QUESTION 56 Jeff, a technician, is charged with setting up network monitoring for critical devices in the network. It is important the information be sent securely to the monitoring station. Which of the following protocols will support secure transmission of the data? A. SNMP v2 B. VPN C. SYSLOG D. SMTP QUESTION 57 Which of the following network management tools can filter information from all data entering and leaving a specific port on the switch? A. SNMP trap B. Bandwidth analyzer C. Network sniffer D. Syslog server QUESTION 58 Lisa, a technician, decides to upgrade a router before leaving for vacation. While away, users begin to report slow performance. Which of the following practices allows other technicians to quickly return the network to normal speeds? A. Change management B. Baselines C. Asset management D. Cable management

43 /Reference: QUESTION 59 A Windows server has a problem after booting up. Kim, a technician, should immediately check the: A. history logs. B. cron logs. C. application logs. D. system logs. QUESTION 60 Management has decided that they want a high level of security. They do not want Internet requests coming directly from users. Which of the following is the BEST recommendation? A. Content filter B. Proxy server C. Layer 3 switch D. Firewall QUESTION 61 Jeff, a technician, was requested to change the wireless channel a WAP was operating on. Which of the following would be a valid reason for the change? A. Interference B. War driving C. SSID D. Frequency speeds QUESTION 62 A new wiring closet is setup to serve users in the east wing of a campus. Equipment is moved from the old closet, 50 feet (15 meters) away, and installed in the new closet. Users immediately begin reporting intermittent connectivity issues with both corporate and Internet resources. Which of the following is the MOST likely cause? A. Protocol mismatch

44 B. MTU size was not increased for the new distance C. Incorrect VLAN assignment D. Incorrect cabling /Reference: QUESTION 63 A small office has asked to have six PCs networked together by Jeff, a consultant. The office users want file sharing capability with no access to the Internet. Which of the following items will Jeff need? (Select TWO). A. Network bridge B. RG-59 patch cabling C. CAT5e patch cabling D. Firewall E. Switch E QUESTION 64 Lisa, a consultant, is inspecting an office that reports frequent wireless issues. Upon scanning the network broadcasting in the vicinity of the office, seven SSIDs are found. The company's Wi-Fi network and three others all share channel six. Which of the following is MOST likely causing the issue? A. Frequency interference B. Low signal strength C. Standard mismatch D. Incorrect channel QUESTION 65 Jeff, a customer, has requested a solution to allow all internally and externally bound traffic to be monitored. Which of the following would allow a packet sniffer to do this? A. A VPN client and VPN concentrator B. A smart jack installed for each network jack C. A managed switch with port mirroring D. A proxy server with content filter

45 QUESTION 66 Which of the following DNS record types will be used for mail transfer if the MX record is not found? A. CNAME B. A C. PTR D. AAAA /Reference: QUESTION 67 Jeff, a customer, wants to have wireless network access only in the conference room. He has placed a WAP in the room, but notices that offices across the hall also receive a wireless signal. Which of the following could be done together to solve this problem? (Select TWO). A. Turn down the signal gain. B. Increase the encryption method. C. Change the wireless channel. D. Replace the WAP's antennas with directional antennas. E. Disable the SSID. D QUESTION 68 Jeff, a customer, shares a building with several other tenants. He reports that an unencrypted wireless network has been getting slower while his Internet traffic has steadily been increasing. Which of the following should be configured to resolve this problem? A. VLAN B. MTU C. WPA D. SSID QUESTION 69 Which of the following should Jeff, a technician, do FIRST when setting up a SOHO network? A. Set up an account with an Internet service provider. B. Create a list of requirements and constraints. C. Arrange a domain name with a suitable registrar. D. Choose the correct operating system version.

46 QUESTION 70 Which of the following issues is a common problem in wireless infrastructures? A. Incorrect port number B. Mismatched SSIDs C. Invalid telnet sessions D. Too many collisions /Reference: "First Test, First Pass" QUESTION 71 Kim, a network administrator, is seeing workstations in building C authenticate to the building A wireless access point. Which of the following would resolve this issue? A. Change the security method B. Reduce the transmission power C. Change the SSID D. Change the frequency QUESTION 72 Lisa, a user, is unable to access the Internet. The network administrator notices that the workstation has an APIPA address. Which of the following is MOST likely not functioning correctly in this situation? A. Broadcast address B. Multicast address C. DNS D. DHCP QUESTION 73 Zach, a network technician, is configuring several switches to be managed remotely. Which of the following must be configured to connect via SSH to each of those devices, as well as to retrieve various parameters? A. PoE settings and VTP configuration B. SNMP configuration only C. IP address and SNMP configuration D. QoS and PoE settings

47 QUESTION 74 After a recent generator test, several users are reporting network connectivity issues. Jeff, the network technician, is unable to connect via SSH to the main switch. Which of the following is the MOST likely cause of the connectivity issue? A. Faulty cable B. Misconfigured speed and duplex C. Wrong gateway D. Power loss /Reference: QUESTION 75 Lisa, the network technician, has been instructed to provide connectivity to workstations within a SOHO that is over 800 feet (243 meters) away from the main switch. Which of the following would she install to provide connectivity? A. CAT5e B. CAT6 C. Coaxial D. Multimode fiber QUESTION 76 Which of the following DHCP options would need to be configured to ensure certain IP addresses within a scope are not leased out? A. DNS IP address information B. WINS IP address information C. Superscopes D. Reservations QUESTION 77 During a disaster recovery test, several billing representatives need to be temporarily setup to take payments from customers. It has been determined that this will need to occur over a wireless network, with security being enforced where possible. Which of the following configurations should be used in this scenario?

48 A. WPA2, SSID enabled, and n. B. WEP, SSID enabled, and b. C. WEP, SSID disabled, and g. D. WPA2, SSID disabled, and a. QUESTION 78 A number of vendors visit a large corporation but are unable to connect to the company's wireless network. Kim, the network technician, verifies that other users are connected to the network and it seems to be fully operational. Which of the following steps should be taken NEXT to troubleshoot the issue? A. Verify the SSID is enabled. B. Ensure the WAP is up and running. C. Ensure the transmission is not encrypted. D. Verify the physical network is connected to the wireless network. /Reference: QUESTION 79 Which of the following could cause employees to be redirected to an incorrect site after typing in the correct name in a web browser? A. DNS cache poisoning B. Mismatched MTU C. Incorrect DHCP address D. Duplicate IP address QUESTION 80 Zach, a network technician, is trying to set up a SOHO network to allow Internet connectivity for all employees based on the following hardware: - 4 computers with LAN and wireless cards - 1 router with 3 LAN ports - 2 Ethernet cables - 1 cable modem The manager would like as many of the computers as possible to be physically connected, instead of using wireless. Which of the following scenarios would meet this requirement based on the equipment available? A. The router should be connected to the modem and one PC can be physically connected to the router. All other PCs must connect wirelessly.

49 B. The modem should be physically connected to the router and two PCs can be physically connected to the router. All other PCs must connect wirelessly. C. The router should be connected to the modem and three PCs can be physically connected to the router. The other PC must connect wirelessly. D. The modem should be physically connected to one PC. All other PCs must connect wirelessly. QUESTION 81 An g wireless access point was configured as follows: - AP encryption forced to WPA2-AES mode only - MAC address filtering enabled with the following MAC address in the allow list: 00-ab-29-da-c3-40 Which is true about the above configuration? A. Any b/g compatible client can connect to the wireless network if they support TKIP, the MAC address is 00-ab-29-da-c3-40, and the encryption key is known by the client. B. An a compatible client can connect to the wireless network only if its MAC address is 00- ab-29-dac3-40 and the encryption key is known by the client. C. An n compatible client can connect to the wireless network only if its MAC address is 00- ab-29-dac3-40 and the encryption key is known by the client. D. Any g compatible client can connect to the wireless network if the encryption key is known by the client. /Reference: QUESTION 82 Which of the following is the correct representation of an IPv6 address? A. :: B. 0:0:0:0:0:0:0:0:1 C. 1:2:3:4:AB:CD:EF D. 2001::4860:800f:: QUESTION 83 Which protocol is represented by the packet capture below? UDP :68 -> :67 A. DHCP B. FTP C. SNMP

50 D. DNS QUESTION 84 Which of the following default ports are used with DHCP? (Select TWO). A. 22 B. 23 C. 53 D. 67 E. 68 E QUESTION 85 Which of the following is a reason to use dynamic DNS? A. The host IP address is not listed in the firewall. B. The host IP address is assigned by DHCP. C. Static routes cannot be used on the host network. D. A third-party certificate is being used. QUESTION 86 Jeff, a user, can no longer access the accounting file share, but others are still able to access the share. Which of the following would be the FIRST step in troubleshooting the issue? A. Notify senior management of the issue. B. Develop a probable cause theory. C. Ask Jeff if anything has changed on the system. D. Escalate the issue to the vendor. /Reference: QUESTION 87 Which of the following virtual components maintains a MAC-to-port forwarding table? A. Virtual PBX B. Virtual desktop

51 C. Virtual switch D. Virtual server QUESTION 88 Jeff, a user connected to the wireless network, takes a laptop from his desk to a conference room. Arriving at the conference room, Jeff realizes that the laptop is in process of reconnecting to the wireless network. Which of the following is a common wireless problem that can cause this issue? A. Mismatched SSID B. Incorrect encryption type C. Weak signal strength D. Increased latency QUESTION 89 Which TCP/IP model layer does the OSI model layer named 'session' respond to? A. Application B. Presentation C. Internet D. Transport QUESTION 90 Jeff, a network administrator, would like to ensure that the footprint of the company's wireless coverage is limited to the office borders, located on the premises. Which of the following features should he adjust on all of the company's WAPs to make this change? A. SSID masking B. PPPoE C. Transmission power D. Encryption technology /Reference: QUESTION 91 Zach, a network administrator, is checking work on some new CAT5 LAN network cabling installed at an

52 organization. Multiple lines are receiving poor signals, and Zach finds the lengths of the runs to be sometimes over 350 feet (107 meters). Which of the following is the cause of the issue? A. CAT5 cable runs over 330 feet (100 meters) need to utilize STP instead of UTP. B. CAT5 cabling is limited to single-run lines of 330 feet (100 meters). C. CAT5 cabling is limited to single-run lines of 250 feet (76 meters). D. CAT5 cabling needs to have terminators installed at each end for runs over 330 feet (100 meters). QUESTION 92 Many users on a small network are reporting that while they can share files amongst each other, access to the Internet has been lost. Lisa, the technician, finds that the Internet addresses are failing to resolve to IP addresses. Which of the following is malfunctioning? A. DHCP B. DNS C. RADIUS D. VPN QUESTION 93 Kim, a network administrator, has made changes to the DHCP leasing setup for a given network and is expecting all devices to recognize the changes shortly. However, after a full week, none of the machines on the company network are grabbing new addresses with the new lease time. Which of the following is the problem? A. The lease time on the original configuration was too long. B. The firewall was never configured to recognize the changes. C. The DHCP server was never restarted, so changes never took affect. D. The lease time on the original configuration was too short. QUESTION 94 Kim, a network consultant, noticed that a new installation for a network backbone looked like this: ISP? Switch? Firewall? PC. Which of the following is the BEST configuration for a properly setup environment? A. Switch? ISP? Firewall? PC B. ISP? Firewall? Switch? PC C. Firewall? ISP? PC? Switch D. ISP? PC? Firewall? Switch

53 /Reference: QUESTION 95 Zach, a customer, has Internet service that includes several static IP addresses. Zach wishes to host a website from a server within a privately addressed network and make it publicly available. Which of the following would have to be configured on the router to allow the public to access the website from one of the static IP addresses? A. QoS monitoring B. Static NAT C. VLAN tagging D. MAC filtering QUESTION 96 Jeff, a business owner, has discovered that several of the nearby businesses have wireless networks. Jeff wants to implement a unique wireless network inside the business. Which of the following should be configured on the wireless access point to reduce interference from the other wireless networks? A. PPPoE authentication B. MAC filtering C. WPA encryption D. Wireless channel QUESTION 97 In an environment with STP disabled, which of the following is the MOST likely cause of the exponential increase in repeated packets transferred through the network? A. Incorrect subnet mask B. Mismatched MTU C. Switching loop D. VLAN mismatch QUESTION 98 A company only wants preapproved laptops to be able to connect to a wireless access point. Which of the following should be configured?

54 A. SSID disable B. ACL rules C. WPA encryption D. MAC filtering /Reference: QUESTION 99 A company's database software runs in the cloud. The device hosting the software is an example of which of the following? A. Virtual server B. Virtual switch C. Virtual desktop D. Virtual PBX QUESTION 100 Lisa, a technician, is troubleshooting a laptop's connection to a wireless network and notices the user has placed their cell phone on top of the wireless router. Which of the following is the cell phone MOST likely generating? A. Wrong encryption B. An SSID mismatch C. Latency D. Interference

55 Exam C QUESTION 1 Kim, a technician, is asked to run new cabling for an office that is 350 feet (107 meters) away from the networking equipment. The type of cable being run is CAT6. Kim purchases and installs a 500 foot (152 meters) CAT6 cable, but after installation, notices a weak signal between the office and the networking equipment. Which of the following would have been the BEST to install instead of the CAT6 cable? A. Install two CAT6 cables with a repeater. B. Install a 500 foot (152 meter) CAT5 cable. C. Install a 500 foot (152 meter) CAT5e cable. D. Install three CAT6 cables with a repeater. QUESTION 2 Which of the following default services uses TCP/UDP port 88? A. LDAP B. IGMP C. HTTP D. Kerberos /Reference: QUESTION 3 Which of the following virtualized components would provide a secure operating environment for a business user? A. Virtual PBX B. Virtual switch C. Virtual desktop D. Virtual SAN QUESTION 4 Multiprotocol Label Switching (MPLS) operates at which of the following layers of the OSI model? (Select TWO). A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4

56 E. Layer 5 C QUESTION 5 Which of the following examples would require a private static IP address, but not a public static IP address? A. A PDA connecting to the wireless network. B. A laptop that is deployed on a LAN. C. A file server deployed in the internal datacenter. D. An Internet facing web server for external access. QUESTION 6 Kim, a user, is experiencing performance issues with a home wireless network. She has performed the following steps: - Checked to make sure the laptop is within the appropriate wireless network range - Checked the connected SSID and wireless channel - Checked that the laptop is the only device connected to the wireless network Which is the MOST likely cause for the performance issues? A. Kim has put in a static IP address on the wireless NIC, which is not within the appropriate home network IP range. B. Another computer is on the network and is downloading video content. This is overloading and flooding the wireless link. C. There are other wireless devices in the area that operate on the wireless band and on the same wireless channel. D. Kim has misconfigured the setting on the wireless client resulting in the WPA-TKIP password being incorrectly entered. /Reference: QUESTION 7 Which of the following would Zach, a network engineer, use to ensure a statically addressed device would receive the same IP address, if it reverted to dynamic addressing? A. DHCP option 3 B. DHCP exclusion C. DHCP lease D. DHCP reservation

57 QUESTION 8 Zach, a network engineer, is troubleshooting poor wireless throughput for a group of 15 users in a large office. Many of the computers are showing moderate to weak signals even though there are two APs less then 15 feet (4 meters) away in either direction. Which of the following is MOST likely the cause? A. The local antennas are not powerful enough. B. There is an SSID mismatch. C. The receiver sensitivity is too high. D. The closest APs are down. QUESTION 9 Jeff, a network engineer, is troubleshooting an issue where clients are not receiving IP addresses from a new, properly configured DHCP server on another subnet. Statically addressed clients can get onto the same network with no issues. Which of the following is causing the issue? A. Incorrect VLAN tagging B. Missing helper addresses C. Wrong default gateway D. Improper routing protocols QUESTION 10 A new small business needs a network solution that provides at least 50Mbps of bandwidth and supports full duplex communication. Which of the following meets those needs? A. 10/100 layer 2 switch B. 2.4GHz g C. 5.0GHz a D. 10Base2 Ethernet /Reference: QUESTION 11 An organization currently has CAT5e cabling throughout its office. Kim, the network technician, is troubleshooting a new CAT6 run that supports network traffic, but does not meet specification when tested with a TDR. Which of the following is MOST likely the cause? A. Improper grounding