CompTIA Realtests N Exam Questions & Answers

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1 CompTIA Realtests N Exam Questions & Answers Number: N Passing Score: 800 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 would Kim, a technician, use in voice over IP communications? A. SNTP B. SCP C. SMTP D. SIP /Reference: QUESTION 3 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 QUESTION 4 Which of the following protocols allows more than three non-overlapping channels?

3 A a B g C q D /Reference: 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 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 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 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 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 12 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?

5 A. Load balancing B. Caching engine C. Traffic shaping D. Quality of service QUESTION 13 Which of the following evaluates packet payload when detecting network threats? A. IPS B. Proxy server C. Caching server D. Content filter /Reference: QUESTION 14 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 15 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 16 Which of the following capabilities of a firewall allows Zach, an administrator, to block traffic based on key words determined by the company?

6 A. Stateless traffic monitor B. Stateful traffic monitor C. Signature identification D. Content filter QUESTION 17 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 18 Which of the following WAN technologies uses four wires for digital and a 66 block? A. Cable B. ATM C. T3 D. POTS QUESTION 19 Which of the following has the HIGHEST data rate speed? A. T1 B. ADSL C. SDSL D. OC-3 QUESTION 20 Which of the following is designed to be used with multimode fiber over short wavelengths?

7 A. 10GBaseLW B. 10GBaseER C. 10GBaseSW D. 10GBaseLR QUESTION 21 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 22 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 23 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 24 In the 2.4GHz range, which of the following channel combinations are non-overlapping?

8 A. 1, 6, 11 B. 2, 7, 10 C. 2, 8, 13 D. 3, 6, 9 QUESTION 25 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 26 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 27 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 28 Which of the following authenticates, allows, and controls the execution of router commands?

9 A. PKI B. RADIUS C. Kerberos D. TACACS+ QUESTION 29 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 30 Which of the following network access methods is the MOST secure? A. PPPoE B. SIP C. RSH D. IPSec /Reference: QUESTION 31 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 32

10 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 33 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 QUESTION 34 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 35 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 36 Which of the following has a DB-9 connector?

11 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 is a form of encrypting packets for safe, secure data transmission within a network? A. RAS B. PPTP C. IPSec D. ICA 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: QUESTION 40 Which of the following tools would Lisa, an administrator, use to determine if there is a problem with a

12 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 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 43 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

13 QUESTION 44 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 45 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 /Reference: QUESTION 46 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

14 /Reference: QUESTION 47 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 48 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 49 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 50 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

15 QUESTION 51 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 52 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 53 Which of the following security measures is the LEAST intrusive on an end device? A. NIPS B. Host-based firewall C. Antivirus D. HIDS QUESTION 54 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

16 QUESTION 55 Which of the following connectors push and twist-on? A. LC B. SC C. ST D. RJ-45 QUESTION 56 Which of the following is a social engineering attack? A. Worms B. Man-in-the-middle C. Phishing D. Evil twin QUESTION 57 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 58 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 59

17 Which of the following solutions will detect and disable a rogue access point? A. Port scan B. Packet sniffer C. IPS D. IDS QUESTION 60 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 61 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 62 Which of the following is an encrypted remote access protocol? A. RDP B. PoE C. RAS D. PPP QUESTION 63 A network topology in which the bandwidth dependency is distributed evenly amongst a large number of inter-

18 connected clients is known as a: A. peer-to-peer. B. bus. C. star. D. client/server. /Reference: QUESTION 64 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 C. IPS D. DMZ QUESTION 65 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 66 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

19 /Reference: QUESTION 67 Which of the following authentication solutions also provides AAA and uses TCP? A. TACACS+ B. Kerberos C. RADIUS D. RAS QUESTION 68 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 69 Which of the following separates broadcast domains? A. Port mirroring B. Router C. Convergence D. Switch QUESTION 70 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

20 /Reference: QUESTION 71 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 72 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 73 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 74 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

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22 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

23 /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 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 8 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

24 B. Protocol analyzer C. Smart jack D. Coupler QUESTION 9 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? A. net share B. hostname C. ipconfig D. tracert QUESTION 10 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 11 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 12 Which of the following properties of DHCP would Lisa, a technician, use to ensure an IP address is not leased

25 out from the active scope? A. Reservations B. Lease times C. Removing IPs from the active leases D. Configuring the DNS options QUESTION 13 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 14 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 15 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 16 Zach, a network technician, is unable to remotely manage or ping certain layer 2 switches. To manage those

26 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 17 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 18 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 19 Which of the following is an example of a DHCP failover mechanism? A. APIPA B. Inactive lease C. Reservations D. Active lease QUESTION 20 Jeff, a network technician, is installing a wireless router. Which of the following should Jeff consider to get the BEST signal strength?

27 A. WAP placement B. PoE devices C. MAC filtering D. Encryption type QUESTION 21 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 22 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 23 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 24

28 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 /Reference: QUESTION 25 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 26 Which of the following is used to filter outgoing network requests? A. Proxy server B. VPN concentrator C. DHCP server D. IIS server QUESTION 27 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 28

29 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 29 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 30 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 31 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

30 QUESTION 32 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 33 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 34 A VPN concentrator is used for which of the following purposes? A. MAC filtering B. Content filtering C. Secure network access D. Connectivity troubleshooting QUESTION 35 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

31 /Reference: QUESTION 36 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 37 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 QUESTION 38 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 39 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

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

33 B. The switch was configured for trunking. C. The printer was configured for duplexing. D. The switch was configured for PoE. QUESTION 44 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 45 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 46 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 47 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?

34 A. Content filter B. Proxy server C. Layer 3 switch D. Firewall QUESTION 48 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 49 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 50 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

35 QUESTION 51 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 52 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. 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? A. Broadcast address B. Multicast address C. DNS D. DHCP

36 QUESTION 55 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 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 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? 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 58 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?

37 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 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 60 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 61 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

38 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 62 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 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. D. Escalate the issue to the vendor.

39 /Reference: QUESTION 65 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 66 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 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 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

40 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 69 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 70 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 71 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

41 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

42 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 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.

43 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 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 8 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?

44 A. Improper grounding B. TXRX reversed C. Incorrect termination D. Outdated NIC drivers QUESTION 9 Which of the following OSI model layers is between the data link and transport layers? A. Presentation B. Physical C. Session D. Network QUESTION 10 Which of the following subnet masks would allow for and to be in the same subnet? A B C D /Reference: QUESTION 11 Which of the following is a Class A private IP address? A B C D QUESTION 12 Which of the following services would have assigned the IP address ? A. DHCP

45 B. APIPA C. IDS D. DNS QUESTION 13 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 14 Kim, a technician, is connecting a new desktop computer to a switch. She was only able to locate one cable in the office for the installation. The wires at each end are color coded as follows: End A. orange-white, orange, green-white, blue, blue-white, green, brown-white, brown End B. green-white, green, orange-white, blue, blue-white, orange, brown-white, brown Which of the following should Kim do to complete the installation? A. Re-end the provided cable, keeping the wiring the same. B. Use the provided cable. C. Purchase a crossover cable. D. Purchase a straight-through cable. QUESTION 15 Zach, a technician, suspects a NIC in a desktop computer has failed. Which of the following commands can Zach use to BEST troubleshoot this issue? A. netsh B. nslookup C. ipconfig D. tracert

46 QUESTION 16 company wants the public to be able to connect to the wireless network with minimal security, but not be able to connect to the private internal network. Which of the following firewall rules would BEST accomplish this? A. Content filtering on the wireless access point B. Allow traffic from the wireless access point C. Block traffic from the wireless access point D. Packet filtering on the wireless access point /Reference: QUESTION 17 At which of the following layers does HTML operate? A. Layer 2 B. Layer 3 C. Layer 5 D. Layer 7 QUESTION 18 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 19 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.

47 QUESTION 20 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 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 22 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 23 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?

48 A. Incorrect DNS B. Incorrect subnet mask C. Duplicate IP address D. Incorrect SSID QUESTION 24 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 25 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 26 Which of the following uses copper wiring? A. 10GBaseER B. 10GBaseLW C. 100BaseFX D. 1000BaseT QUESTION 27

49 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. QUESTION 28 Which of the following cables covers the LONGEST distance? A. 10GBaseT B. 10GBaseFR C. 100BaseTX D. 1000BaseX /Reference: QUESTION 29 Blocking a known malicious web address by using the ACL on the firewall is an example of which of the following? A. IP filtering B. Application filtering C. MAC filtering D. Port filtering QUESTION 30 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

50 QUESTION 31 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 D. Wi-MAX E. CARP B /Reference: QUESTION 32 Which of the following improves wireless performance by allowing only one wireless transmission on the network at a time? A. CSMA/CA B. CSMA/CD C. Wireless encryption D. Wireless bonding QUESTION 33 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 34 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

51 /Reference: QUESTION 35 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 36 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 37 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 38 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

52 B. ARP C. DNS D. PING QUESTION 39 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 40 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 41 Zach, an administrator, wants to eliminate remote access to a network from all users, except those users in Zach's own country. Which of the following security measures could he use to set up this functionality? A. MAC filtering B. Port filtering C. IP filtering D. TLS QUESTION 42 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?

53 A. Content filtering B. Port filtering C. MAC filtering D. IP filtering QUESTION 43 Lisa, a network technician, has determined that the initial theory of probable cause was incorrect. Which of the following would be the NEXT step in the troubleshooting process? A. Implement the solution B. Establish a plan C. Document findings D. Escalate the issue QUESTION 44 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 45 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 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:

54 QUESTION 46 A new business' web server has seen a huge spike of legitimate traffic in the last week. The owners want to ensure the site has no problems as the business continues to grow. For Kim, a network administrator, which of the following is the MOST important concern for this company? A. Caching B. Asset management C. Traffic shaping D. High availability QUESTION 47 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 48 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 /Reference: QUESTION 49 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

55 QUESTION 50 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 51 Which of the following DNS records would be queried to locate a company's mail server? A. A B. MX C. AAAA D. CNAME QUESTION 52 Which of the following protocols would Lisa, a technician, use to disable switch ports automatically to prevent switching loops? A. RIP B. OSPF C. STP D. EGP QUESTION 53 Which of the following network appliances can BEST be described as allowing multiple servers to share requests for a website through the same public IP address? A. VPN concentrator B. Content filter C. Load balancer D. Proxy server

56 QUESTION 54 Jeff, a company executive, has noticed that a wireless network signal from the company's WAP can be seen in the company's parking lot. Jeff is very worried that this is a potential security threat. Which of the following can be done to eliminate this threat? A. Implement WEP encryption B. Decrease signal strength C. Change wireless channels D. Rotate the SSID daily QUESTION 55 Jeff, a network administrator, is installing an n network. Which of the following should he consider FIRST? A. Placement B. MAC filtering C. Channel D. VTP configuration /Reference: QUESTION 56 Jeff, a network administrator, needs to forward HTTP traffic from a SOHO firewall public IP to the internal web server's private IP. Which of the following can Jeff implement? A. DNS B. NAT C. PKI D. RAS QUESTION 57 Which of the following protocols works at the LOWEST layer of the OSI model? A. L2TP