CompTIA CompTIA Certifications N10-007 Questions & Answers

• Question 161:

  A department is reporting network issues. Users can ping each other and the switch, but not the default gateway. When looking at a wiring diagram and a physical blueprint, a technician notices the 1000BaseLX SFP connects to a distribution switch via a cable that runs behind a large industrial refrigerator. The technician also notices both switches have been worked on recently. Which of the following is MOST likely the issue?

  A. EMI

  B. TX/RX reverse

  C. Open/short

  D. Attenuation

  Correct Answer: A

• Question 162:

  Ann, a user, reports that her desktop phone is not working on one cable. However, that cable provides connectivity to her laptop. A technician determines PoE is not provided to the end device. Which of the following is MOST likely the cause?

  A. Transceiver mismatch

  B. Crosstalk

  C. Jitter

  D. Open/short on the cable

  Correct Answer: A

• Question 163:

  A network technician has been asked to create secure private networks between a company's headquarters and several branch locations. The company has provided the on-premises equipment, but each branch has a different ISP. Which of the following technologies should the technician consider using to accomplish this?

  A. Site-to-site

  B. Client-to-site

  C. Point-to-point

  D. Point-to-multipoint

  Correct Answer: A

• Question 164:

  Users report that the network is slow. Upon investigation, the technician notices all users are on one large subnet. Which of the following devices should be used to break up broadcast domains?

  A. Layer 2 switch

  B. Layer 3 switch

  C. Signal repeater

  D. Bridge

  E. Domain server

  Correct Answer: B

• Question 165:

  A network administrator is configuring the 172.16.40.0/22 network for a new building. Which of the following is the number of hosts that will be supported on this network?

  A. 510

  B. 512

  C. 1022

  D. 1024

  E. 2046

  F. 2048

  Correct Answer: C

• Question 166:

  At which of the following layers of the OSI model does compression occur?

  A. Session

  B. Transport

  C. Data link

  D. Presentation

  Correct Answer: D

• Question 167:

  Which of the following storage network technologies has the HIGHEST throughput?

  A. FCoE

  B. InfiniBand

  C. iSCSI

  D. OC3

  Correct Answer: B

• Question 168:

  The corporate head office has assigned the subnet of 10.1.100.0/24 to a network technician. The technician wants to create subnets for the finance department, human resources, and IT. Given the following device counts:

  

  Which of the following outlines how the technician should allocate the address space given?

  

  A. B. C. D.

  Correct Answer: C

• Question 169:

  Which of the following is an object held within an MIB?

  A. OUI

  B. OTDR

  C. OID

  D. SNMP host

  E. SNMP agent

  F. SNMP trap

  Correct Answer: C

• Question 170:

  A network technician arrives at a remote office and is unable to connect a laptop to corporate resources using the wireless network. After checking the IP address, the network technician notices the assigned IP address does not belong to the corporate network IP scheme. Which of the following has the network technician discovered?

  A. Evil twin

  B. ARP poisoning

  C. DHCP exhaustion

  D. Social engineering

  Correct Answer: A