Comptia N Exam Questions & Answers

Transcription

1 Comptia N Exam Questions & Answers Number: N Passing Score: 720 Time Limit: 120 min File Version: Comptia N Exam Questions & Answers Exam Name: CompTIA Network+ Certification Exam For Full Set of Questions please visit:

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 Which of the following would Kim, a technician, use in voice over IP communications? A. SNTP B. SCP C. SMTP D. SIP /Reference: 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 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 6 Which of the following OSI layers BEST describes where an HTTP proxy operates? A. Transport B. Application C. Presentation D. Session QUESTION 7 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 /Reference: QUESTION 8 A MAC address is used at which of the following layers of the OSI model?

4 A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 QUESTION 9 Zach, an administrator, needs to install a new 100 foot (30 meter) cable run from an IDF switch to the MDF, 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 10 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 11 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

5 QUESTION 12 Which of the following evaluates packet payload when detecting network threats? A. IPS B. Proxy server C. Caching server D. Content filter /Reference: QUESTION 13 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 14 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 QUESTION 15 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

6 QUESTION 16 Which of the following cable types would have the LEAST amount of EMI? A. CAT3 B. CAT5 C. STP CAT6 D. Plenum CAT6 QUESTION 17 Which of the following WAN technologies uses four wires for digital and a 66 block? A. Cable B. ATM C. T3 D. POTS QUESTION 18 Which of the following has the HIGHEST data rate speed? A. T1 B. ADSL C. SDSL D. OC-3 QUESTION 19 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

7 /Reference: QUESTION 20 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 QUESTION 21 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 22 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 QUESTION 23 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

8 QUESTION 24 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 25 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 /Reference: QUESTION 26 Which of the following authenticates, allows, and controls the execution of router commands? A. PKI B. RADIUS C. Kerberos D. TACACS+ QUESTION 27 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

9 QUESTION 28 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 29 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 30 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 31 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

10 QUESTION 32 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 33 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 34 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 35 Which of the following uses a ring topology? A. DSL B. Ethernet C. DOCSIS D. SONET

11 QUESTION 36 Which of the following has a DB-9 connector? A. SC B. RS-232 C. LC D. RJ-45 QUESTION 37 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 38 Which of the following defines access for a network? A. ACL B. RDP C. RAS D. ARP QUESTION 39 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:

12 QUESTION 40 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 41 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 QUESTION 42 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 43 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

13 C QUESTION 44 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 45 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 B. DDoS C. DoS D. SQL injection /Reference: QUESTION 46 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 47 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?

14 A a B b C g D n QUESTION 48 Which of the following is the MAXIMUM distance of a CAT5e cable on a single run when using Ethernet? A meters (3281 feet) B. 323 meters (1060 feet) C. 512 meters (1680 feet) D. 100 meters (328 feet) /Reference: QUESTION 49 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 50 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 51 Which of the following is used by RADIUS to encrypt messages between the server and the client? A. Public key

15 B. CSU/DSU C. Private key D. Shared secret QUESTION 52 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 53 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 54 Which of the following connectors push and twist-on? A. LC B. SC C. ST D. RJ-45 QUESTION 55 Which of the following performs posture assessments for unknown devices that connect to the network? A. PKI B. EAP

16 C. NAC D. AAA /Reference: QUESTION 56 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 57 Which of the following mitigation techniques is MOST effective against a DoS attack? A. IDS B. Antivirus C. Redundancy D. Backups QUESTION 58 Which of the following solutions will detect and disable a rogue access point? A. Port scan B. Packet sniffer C. IPS D. IDS QUESTION 59 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

17 D. 15:FA:97:44:AB /Reference: QUESTION 60 T568B wiring scheme is typically found on which of the following components? A. Demarc extension B. 66 block C. Patch panel D. Vertical cross connect QUESTION 61 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 62 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 63 Which of the following would the telecommunications carrier use to segregate customer traffic over long fiber links?

18 A. VLAN B. MPLS C. VPN D. PSTN QUESTION 64 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 65 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 66 Which of the following would Kim, a technician, do to monitor remote traffic through an access point? A. Enable an SNMP agent B. Enable network mapping C. Set monitoring SSID D. Select WPA2

19 /Reference: QUESTION 67 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 68 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 69 Which of the following protocols is commonly used for VoIP technology? A. Telnet B. SMTP C. SIP D. SNMP /Reference: QUESTION 70 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

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21 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 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 3 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 QUESTION 4 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

22 /Reference: QUESTION 5 Which of the following ports is the default telnet port? A. 20 B. 21 C. 22 D. 23 QUESTION 6 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 QUESTION 7 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 8 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

23 QUESTION 9 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 10 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 11 Which of the following properties of DHCP would Lisa, a technician, use to ensure an IP address is not leased out from the active scope? A. Reservations B. Lease times C. Removing IPs from the active leases D. Configuring the DNS options QUESTION 12 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

24 /Reference: QUESTION 13 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 QUESTION 14 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 15 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 QUESTION 16 Which of the following is an example of a DHCP failover mechanism? A. APIPA B. Inactive lease C. Reservations

25 D. Active lease QUESTION 17 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 18 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 /Reference: QUESTION 19 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 20 Which of the following devices is used to distribute network traffic equally over multiple links? A. Content filter

26 B. DNS server C. Load balancer D. Proxy server /Reference: QUESTION 21 Which of the following is used to filter outgoing network requests? A. Proxy server B. VPN concentrator C. DHCP server D. IIS server QUESTION 22 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 23 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 QUESTION 24 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?

27 A. Wire tester B. Punch down C. Crimper D. Multimeter /Reference: QUESTION 25 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 26 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 27 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

28 QUESTION 28 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 29 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 30 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 31 A VPN concentrator is used for which of the following purposes? A. MAC filtering B. Content filtering C. Secure network access D. Connectivity troubleshooting

29 QUESTION 32 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 33 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 34 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 35 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 B. NTP C. SIP D. PPTP

30 QUESTION 36 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 37 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 38 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 39 Zach, a technician, discovers a switch is not communicating with the other switches in a stack. 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.

31 D. The port is not trunked. QUESTION 40 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 41 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 QUESTION 42 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 43 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?

32 A. SNMP v2 B. VPN C. SYSLOG D. SMTP QUESTION 44 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 /Reference: QUESTION 45 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 46 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 47

33 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 B. MTU size was not increased for the new distance C. Incorrect VLAN assignment D. Incorrect cabling /Reference: QUESTION 48 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 49 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 QUESTION 50 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

34 /Reference: QUESTION 51 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 52 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 53 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: QUESTION 54 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?

35 A. Broadcast address B. Multicast address C. DNS D. DHCP QUESTION 55 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 QUESTION 56 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 57 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 58 A number of vendors visit a large corporation but are unable to connect to the company's wireless network.

36 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 59 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. 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 60 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.

37 /Reference: QUESTION 61 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 62 Which of the following default ports are used with DHCP? (Select TWO). A. 22 B. 23 C. 53 D. 67 E. 68 E QUESTION 63 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 64 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.

38 D. Escalate the issue to the vendor. /Reference: QUESTION 65 Which of the following virtual components maintains a MAC-to-port forwarding table? A. Virtual PBX B. Virtual desktop C. Virtual switch D. Virtual server QUESTION 66 Which TCP/IP model layer does the OSI model layer named 'session' respond to? A. Application B. Presentation C. Internet D. Transport QUESTION 67 Zach, a network administrator, is checking work on some new CAT5 LAN network cabling installed at an 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 68 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?

39 A. DHCP B. DNS C. RADIUS D. VPN QUESTION 69 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 /Reference: QUESTION 70 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 71 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

40 QUESTION 72 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

41 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 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 3 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 E. Layer 5 C QUESTION 4 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.

42 QUESTION 5 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 QUESTION 6 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 7 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 8 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

43 C. 5.0GHz a D. 10Base2 Ethernet /Reference: QUESTION 9 Before installing a wireless network, which of the following should Kim, a network technician, take into consideration to reduce signal exposure for war drivers? A. Device placement B. MAC address filtering C. User authentication D. Encryption protocols QUESTION 10 Which of the following OSI model layers is between the data link and transport layers? A. Presentation B. Physical C. Session D. Network QUESTION 11 Which of the following subnet masks would allow for and to be in the same subnet? A B C D /Reference: QUESTION 12 Which of the following ports should be allowed through a firewall to allow DNS resolution to occur to an outside DNS server?

44 A. 20 B. 53 C. 80 D QUESTION 13 Which of the following services would have assigned the IP address ? A. DHCP B. APIPA C. IDS D. DNS QUESTION 14 Which of the following BEST describes the point at which an ISP's responsibility for an Internet connection ends? A. Router B. MDF C. IDF D. Demarc QUESTION 15 Which of the following defines the range of IP addresses a DHCP server can assign? A. Scope B. Lease C. Reservation D. Subnet /Reference: QUESTION 16 Zach, a technician, suspects a NIC in a desktop computer has failed. Which of the following commands can

45 Zach use to BEST troubleshoot this issue? A. netsh B. nslookup C. ipconfig D. tracert QUESTION 17 After a brownout, Zach, a user, can connect to the internal network, but not the Internet. Which of the following is the company's DSL router experiencing that is causing this issue? A. Switching loop B. Power failure C. Broadcast storm D. Duplicate IP address QUESTION 18 Lisa, an administrator, attempts to open a web page and sees the following error: `Error 404: Page not found'. She then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside? A. Layer 1 B. Layer 4 C. Layer 5 D. Layer 7 QUESTION 19 At which of the following layers does HTML operate? A. Layer 2 B. Layer 3 C. Layer 5 D. Layer 7 QUESTION 20

46 Lisa, an administrator, is unable to route traffic between VLANs on a switch. Communication between devices within each VLAN is functioning. At which of the following layers does the problem MOST likely reside? A. Network B. Data link C. Transport D. Session QUESTION 21 Lisa, a technician, installs a new WAP and users are able to connect; however, users cannot access the Internet. Which of the following is the MOST likely cause of the problem? A. The signal strength has been degraded and latency is increasing hop count. B. An incorrect subnet mask has been entered in the WAP configuration. C. The signal strength has been degraded and packets are being lost. D. Users have specified the wrong encryption type and routes are being rejected. QUESTION 22 Jeff, an administrator, has just finished installing a new switch and connected two servers with IPs of and.30. The servers are able to communicate with each other, but are unable to reach the Internet. Jeff sees the following information in the switch configuration: interface VLAN 105 IP address Jeff is able to ping the router at from the switch. Which of the following is the MOST likely cause of the problem? A. The subnet mask is incorrect. B. A routing loop has occurred. C. Jeff used a crossover cable to connect the switch to the gateway. D. The server is missing default-gateway information. QUESTION 23 Zach, the network administrator, has just finished installing a new 10/100/1000 switch, but receives reports from the server administrator that servers connected to the new switch seem to be experiencing slow LAN connections. Zach checks the port connecting the new switch to the core switch and sees the following information: #show run interface GigabitEthernet0/10 Switchport trunk encapsulation dot1q

47 Switchport mode trunk Switchport trunk native VLAN 10 Which of the following is the MOST likely cause of the slow connections? A. The servers have not had VLAN tagging enabled on their NICs. B. Speed and duplex have not been set. C. VLAN tagging was not set on the trunk. D. The servers have been connected with CAT5 cable. /Reference: QUESTION BaseT has a MAXIMUM run distance of: A. 25 meters (82 feet). B. 100 meters (328 feet). C. 500 meters (1640 feet). D meters (3280 feet). QUESTION 25 Which of the following DNS record types provides the hostname to IP address mapping? A. A record B. NS record C. CNAME record D. MX record QUESTION 26 Kim, a user, took a laptop on vacation and made changes to the configuration in order to use the device at the hotel. She can reach the Internet, but cannot access any internal network resources. Which of the following is the MOST likely reason? A. Incorrect DNS B. Incorrect subnet mask C. Duplicate IP address D. Incorrect SSID

48 QUESTION 27 Jeff, an administrator, is using a punch-down tool to connect a cable. To which of the following is Jeff MOST likely connecting? A. A 110 block B. A demarc C. A DB-9 D. A smart jack QUESTION 28 Teachers and students at a school currently share the same bandwidth. The Internet performance for the teachers in the classroom is becoming extremely slow. Which of the following is the BEST method to mitigate the issue? A. Increased uptime B. Caching engines C. Traffic shaping D. Load balancing /Reference: QUESTION 29 Which of the following uses copper wiring? A. 10GBaseER B. 10GBaseLW C. 100BaseFX D. 1000BaseT QUESTION 30 The location where the Telco wiring stops and the clients wiring starts is known as the: A. MDF. B. demarc. C. IDF. D. 66 block.

49 QUESTION 31 Which of the following cables covers the LONGEST distance? A. 10GBaseT B. 10GBaseFR C. 100BaseTX D. 1000BaseX /Reference: QUESTION 32 Users report that their Internet connection is slow. Zach, the network technician, has a suspicion that users are streaming video and music. Which of the following would BEST confirm Zach's theory? A. Traffic analysis B. SNMP C. History logs D. System logs QUESTION 33 A firewall that examines all the incoming traffic and decides if the traffic is going to be allowed though or dumped is a example of which of the following? A. Packet sniffing B. Packet filter C. Stateful inspection D. Content filter QUESTION 34 Two duplicate pieces of equipment can be used in conjunction for which of the following purposes? (Select TWO). A. High availability B. Fault tolerance C. Reduce latency

50 D. Wi-MAX E. CARP B /Reference: QUESTION 35 Lisa, an administrator, has been tasked with running cables from one office to another neighboring office by running cables over the light fixtures in the ceiling that connects them. To prevent interference, which of the following cable types should Lisa use? A. CAT5e B. CAT6 C. Coaxial D. Multimode fiber QUESTION 36 Lisa, an administrator, is responsible for one Linux and two Windows servers. She would like to review all server logs centrally. Which of the following services could Lisa use in this scenario? A. Event logs B. Baselines C. Change management D. Syslog QUESTION 37 Kim, a network technician, is installing a new managed 10/100 Mbps switch on the network. The network has an older printer with a 10Mbps network adapter that will be moved to the new switch. Which of the following settings on the switch will need to be configured to support the printer? A. MAC filtering B. IP address C. PoE D. Port speed QUESTION 38

51 Zach, a new network technician, is monitoring network traffic and notices the network is operating at 80% of capacity. Which of the following could be used to determine if this is abnormally high traffic use? A. Network maps B. Cable management documentation C. Wire schemes D. Baseline /Reference: QUESTION 39 Lisa, a network technician, needs to push changes out to network devices and also monitor the devices based on each device's MIB. Which of the following should she use? A. SNMP B. Traffic analysis C. Syslog D. Asset management QUESTION 40 Kim, a network technician, needs to identify the MAC address of a device that is creating broadcast storms on the network. Which of the following tools will provide the needed information? A. History logs B. Network sniffer C. Network maps D. Traffic shaping QUESTION 41 Jeff, a network technician, is concerned about the environmental effects of power consumption and heat from network resources. Limited space is also a concern. Which of the following technologies should be implemented? A. Circuit switching B. Network address translation C. Power over Ethernet D. Virtual servers

52 QUESTION 42 For security reasons Zach, a network technician, wants to install a Linux based server, Microsoft web services, and directory services on different servers. Which of the following technologies would be BEST to reduce hardware costs? A. VPN concentrator B. Virtual servers C. Wireless D. Multimode fiber QUESTION 43 Kim, a network technician, wants to use a packet analyzer to troubleshoot a reported problem with a user's workstation with IP address To identify the workstation's packets Kim wants to use the workstation's MAC address. Which of the following protocols would provide the needed information? A. DHCP B. ARP C. DNS D. PING QUESTION 44 Which of the following VPN methods is BEST used for connecting a remote office to the main company office? A. WEP-to-WPA B. RDP-to-RAS C. Client-to-site D. Site-to-site QUESTION 45 Which of the following network optimization methods would be BEST to implement to increase bandwidth for an internal streaming video server? A. ISDN B. QoS C. Upgrade to 10baseT D. Buffer overflow

53 QUESTION 46 The ISP needs to terminate the WAN connection. The connection should be located in the network server room where the company LAN equipment resides. Which of the following identifies the location? A. Smart jack B. MDF C. VPN D. 66 block QUESTION 47 Creating a uniform user environment throughout the network can BEST be achieved by using which of the following? A. Honeypots B. Virtual switches C. Virtual PBX D. Virtual desktops /Reference: QUESTION 48 Lisa, an administrator, is experiencing availability issues on a Linux server. She decides to check the server for an IP address conflict on the server. Which of the following commands should Lisa use? A. traceroute B. tracert C. ifconfig D. ipconfig QUESTION 49 Network upgrades have been completed and the WINS server was shutdown. It was decided that NetBIOS network traffic will no longer be permitted. Which of the following will accomplish this objective? A. Content filtering

54 B. Port filtering C. MAC filtering D. IP filtering QUESTION 50 Lisa, a network administrator, needs to allow all websites to be accessible by the sales team for business purposes. Which of the following ports need to be enabled on the firewall? (Select TWO). A. 23 B. 25 C. 53 D. 80 E. 443 E /Reference: QUESTION 51 Which of the following is the MAXIMUM hop count for RIP before the network is considered converged? A. 1 B. 5 C. 10 D. 15 QUESTION 52 Which of the following protocols is Kim, a user, utilizing if no handshake or data reliability are required? A. TCP B. FTP C. TFTP D. UDP QUESTION 53 Jeff, a technician, has identified a problem, established and confirmed a theory, and has attempted to resolve the problem. Jeff, however, does not appear to have the rights to make the needed changes. Which of the

55 following should he do NEXT? A. Re-establish a new theory. B. Gather more information. C. Establish a plan of action. D. Escalate the problem. /Reference: QUESTION 54 A company is expanding and has found that logging into each device to collect error information is consuming too much time. They have asked Lisa, a network administrator, to set up a server that will capture errors from each device automatically. Which of the following technologies would BEST fit this requirement? A. Syslog B. RADIUS C. IPSec D. Network sniffer QUESTION 55 Jeff, a network administrator, has been requested to install wireless access throughout the entire building, while utilizing a single SSID. Which of the following options will meet this requirement? A. Set a separate VLAN on each WAP with the same encryption type. B. Set the SSID on each WAP and set contiguous WAPs to different channels. C. Set the SSID on each WAP and set contiguous WAPs to the same channel. D. Set a separate VLAN on each WAP with the same frequency. QUESTION 56 Which of the following should Kim, a technician, update when new computers are purchased? A. Asset management B. Change management C. Cable management D. Baselines

56 /Reference: QUESTION 57 Lisa, a technician, is asked to not allow FTP traffic on a network. Which of the following ports should be blocked on the firewall to achieve this? A. 21 B. 22 C. 23 D. 25 QUESTION 58 Lisa, a network consultant, is asked to set up a wireless network in a home. The home user wants the wireless network to be available in every corner of the house. Which of the following additional information will Lisa need to determine the equipment for the installation? (Select TWO). A. The length of the house B. How many rooms are in the house C. How many users will be using the wireless network D. The building material of the house E. The cost of the house D QUESTION 59 Kim, a technician, needs to test if domain name resolution is functioning properly. Which of the following software tools would she use to accomplish this? (Select TWO). A. arp B. dig C. route D. nslookup E. netstat D /Reference: QUESTION 60 Which of the following DNS records would be queried to locate a company's mail server? A. A B. MX