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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. 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) Serial 0/0/0
B) FastEthernet 0/0
C) AUX 0
D) Console 0

2. A technician, Joe, visits a site that has reported a network down emergency. He immediately reboots the switches and the router since the network is down. Which of the following network troubleshooting methodology steps should Joe have performed FIRST?

A) Once a theory is confirmed determine the next step is to resolve the problem
B) Implement the solution or escalate as necessary
C) Determine if anything has changed
D) Question the obvious

3. Several users are reporting that they are unable to connect to the network. After further investigation, the network administrator notices that a newly configured Layer 2 device lost its configuration. Which of the following MOST likely caused the issue?

A) Switching loop
B) Wrong default gateway
C) Wrong DNS
D) Power failure

4. Joe, a technician, has identified a problem, established and confirmed a theory, and has attempted to resolve the problem. Joe, 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) Establish a plan of action.
C) Escalate the problem.
D) Gather more information.

5. Which of the following wireless standards has a MAXIMUM speed of only 1Mbps?

A) IrDA
B) 802.11g
C) Bluetooth
D) 802.11b

Solutions: