Latest CompTIA Network+ N10-005 Real Exam Download 21-30



A network technician has just upgraded a switch. The new switch’s IP range and subnet mask correctly match other network devices. The technician cannot ping any device outside of the switch’s own IP subnet. The previous switch worked correctly with the same settings. Which of the following is MOST likely the problem?


A.      The proxy server is set incorrectly.

B.      The Ethernet cable is pinched.

C.      The network gateway is set incorrectly.

D.      The IP address is set incorrectly.


Correct Answer: C






Joe has a small office and is looking to replace his phone system with a lower cost solution that requires minimal in-house support. Which of the following is the BEST choice?


A.      Wide Area Network

B.      NAT

C.      Virtual PBX

D.      Virtual LAN


Correct Answer: C




An unusual amount of activity is coming into one of the switches in an IDF. A malware attack is suspected. Which of the following tools would appropriately diagnose the problem?


A.      Cable tester

B.      Protocol analyzer

C.      Load balancer

D.      OTDR


Correct Answer: B




Joe, a user, has a computer that has a link light on his network interface card (NIC); however, Joe is unable to access the Internet. Which of the following is the cause of this issue?


A.      Faulty GBIC

B.      Faulty SFP

C.      Cable is a crossover

D.      VLAN mismatch


Correct Answer: D




Which of the following can a network technician change to help limit war driving?


A.      Signal strength

B.      SSID

C.      Frequency

D.      Channel


Correct Answer: A




Which of the following is an example of a CSMA/CD medium?


A.      WEP

B.      SONET

C.      Token ring

D.      Ethernet


Correct Answer: D




Which of the following performance optimization techniques would be MOST beneficial for a network-wide VoIP setup? (Select TWO).


A.      Proxy server

B.      Traffic shaping

C.      Caching engines

D.      Load balancing

E.       Quality of service


Correct Answer: BE




A network technician is troubleshooting signal problems with certain WAPs in an office and finds consistently high ping times across the units. Such an issue is called which of the following?


A.      Latency

B.      Attenuation

C.      Crosstalk

D.      Frequency hopping


Correct Answer: A




A customer has requested a solution using multiple WAPs for wireless access. Which of the following should be different on each WAP to prevent wireless problems?


A.      Firewalls

B.      VLANs

C.      Channels

D.      Antenna types


Correct Answer: C




Which of the following ports would have to be allowed through a firewall for POP3 traffic to pass on its default port?


A.      110

B.      123

C.      143

D.      443


Correct Answer: A



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