CompTIA Network+ certification : JK0-023

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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. A network technician is troubleshooting a problem at a remote site. It has been determined that the connection from router A to router B is down. The technician at the remote site re-terminates the CAT5 cable that connects the two routers as a straight through cable. The cable is then tested and is plugged into the correct interface. Which of the following would be the result of this action?

A) The traffic will flow, but with excessive errors.
B) The interface status will indicate that the port is administratively down.
C) The normal amount of errors and the connection problem has been resolved.
D) The interface status will show line protocol down.

2. A user reports that they keep getting disconnected on the wireless network. After further investigation, the technician confirms that this occurs only in that user's office. Which of the following would MOST likely cause them to lose their connection?

A) Interference
B) Encryption type
C) SSID mismatch
D) Disabled wireless adapter

3. Which of the following is a standard measure of signal power?

A) dBm
B) Gbps
C) MHz
D) mips

4. A technician has noticed that the RJ-45 connector on the end of a user's patch cable was stripped too far back from the connector allowing for cross talk. Which of the following tools would a technician use to attach a new connector to eliminate this issue?

A) Cable certifier
B) Crimper
C) Punch down tool
D) Loopback plug

5. A network administrator has created a virtual machine in the cloud. The technician would like to connect to the server remotely using RDP. Which of the following default ports needs to be opened?

A) 5060
B) 445
C) 3389
D) 5004

Solutions: