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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

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

A) 163
B) 123
C) 153
D) 143

2. It has been suspected that one of the users is using the network inappropriately. As a preventive measure HR has authorized the IT department to enable port mirroring on the user's network port. Which of the following devices would be used to monitor the network activity?

A) Network sniffer
B) Multimeter
C) Cable certifier
D) Port analyzer

3. Which of the following DNS records would a web browser access to determine the IP address of an Internet web page?

A) PTR
B) CNAME
C) A
D) MX

4. 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) Crimper
C) Punch down
D) Wire tester

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

Solutions: