CompTIA JK0-023 - CompTIA Network+ certification Exam
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Total 963 questions
Question #11 (Topic: Topic 1)
A technician finds that the network card is no longer functioning. At which of the following
OSI layers is the problem occurring?
OSI layers is the problem occurring?
A. Layer 1
B. Layer 3
C. Layer 5
D. Layer 7
Answer: A
Question #12 (Topic: Topic 1)
Which of the following TCP/IP model layers combines four OSI model layers?
A. Application Layer
B. Internet Layer
C. Transport Layer
D. Network Interface Layer
Answer: A
Question #13 (Topic: Topic 1)
A network administrator notices that load balancing is not working properly on the web
cluster as previously configured. In speaking with management, a change to the IP
addressing scheme was made yesterday which possibly affected one member of the
cluster. Due to the timing of the events, the administrator theorizes that this change caused
the problem. Which of the following should the administrator do NEXT?
cluster as previously configured. In speaking with management, a change to the IP
addressing scheme was made yesterday which possibly affected one member of the
cluster. Due to the timing of the events, the administrator theorizes that this change caused
the problem. Which of the following should the administrator do NEXT?
A. Escalate to the management team
B. Change the IP address back to its previous state
C. Test the theory by analyzing logs
D. Create a plan of action to present to management
Answer: C
Question #14 (Topic: Topic 1)
Which of the following services are affected by closing the default ports of 80 and 21 via
ACL on a company router?
ACL on a company router?
A. FTP and basic Internet traffic
B. HTTPS and IMAP traffic
C. DNS and TELNET traffic
D. VPN and RDP traffic
Answer: A
Question #15 (Topic: Topic 1)
At which of the following layers does HTML operate?
A. Layer 2
B. Layer 3
C. Layer 5
D. Layer 7
Answer: D
