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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

Question 1

An organization recently installed a firewall on the network. Employees must be able to send and receive email from a POP3 server. In which of the following ways should the firewall be configured? (Select TWO).

A. Allow TCP port 23
B. Allow TCP port 25
C. Allow UDP port 25
D. Allow TCP port 110
E. Allow UDP port 110

Question 2

A user is trying to connect to the wireless network in the office but is unable to establish a consistent connection. The computer alternates connecting between several similarly configured access points. Which of the following would be the BEST way to address this issues?

A. Increase the pool in each of the access points to avoid running out of IPs.
B. Adjust the signal strength of the access points with minimal coverage overlap.
C. Configure each access point to use a different method of encryption than the others.
D. Reconfigure each of the access points so that they broadcast different SSIDs.

Question 3

Which of the following protocols is MOST commonly used for the transfer of router configuration files?

A. IMAP
B. TFTP
C. SSL
D. DNS

Question 4

Which of the following is used to allow multiple sources on a single optical cable?

A. SONET
B. MIMO
C. HSPA+
D. DWDM

Question 5

After installing new cabling, Karen, a technician, notices that several computers are connecting to network resources very slowly. Which of the following tools would BEST help in determining if the new cabling is the cause of the problem?

A. Multimeter
B. Cable tester
C. Toner probe
D. Cable certifier

Solutions: