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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. Which of the following network devices use ACLs to prevent unauthorized access into company systems?

A) IDS
B) Content filter
C) Firewall
D) Load balancer

2. Which of the following is associated with DNS reverse lookup zones?

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

3. Which of the following can be used to limit wireless network access to a single computer?

A) MAC address filtering
B) Configure PPP
C) Omni-directional antennas
D) Packet sniffing

4. A client's computer is unable to access any network resources. Which of the following utilities can a technician use to determine the IP address of the client's machine?

A) ipconfig
B) dig
C) tracert
D) nslookup

5. Zach, a network administrator, is responding to a support ticket. The ticket does not have enough information to determine the problem. Which of the following should Zach perform FIRST before responding to the ticket?

A) Test a theory to determine a cause.
B) Escalate the problem if necessary.
C) Determine if anything has changed.
D) Establish a plan of action to resolve the problem.

Solutions: