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CompTIA JK0-023 : CompTIA Network+ certification

JK0-023

Exam Code: JK0-023

Exam Name: CompTIA Network+ certification

Updated: Jun 17, 2026

Q & A: 995 Questions and Answers

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CompTIA Network+ certification Sample Questions:

1. Which of the following handles HTTP requests on behalf of the client?

A) Proxy server
B) Bandwidth shaper
C) DNS server
D) Load balancer


2. After a technician has identified the problem and its impact, which of the following steps should be performed NEXT?

A) Implement the solution or escalate as necessary.
B) Establish a theory of probable cause.
C) Establish a plan of action to resolve the problem.
D) Implement preventative measures.


3. Due to a recent change in company policy, all users managing network infrastructure devices must use SSH v2 and all administrative activity must be collected on a central
store. Which of the following should the network administrator deploy to comply with the new collection requirements?

A) Traffic analysis tool
B) Network intrusion detection
C) Syslog server
D) Network sniffer


4. A network technician is attempting to connect a new host to existing manufacturing equipment on an Ethernet network. The technician is having issues trying to establish communication between the old equipment and the new host. The technician checks the cabling for breaks and finds that the CAT3 cable in use is in perfect condition. Which of the following should the technician check to ensure the new host will connect?

A) Confirm the existing 10Base2 equipment is using the proper frame type
B) Confirm the new host is compatible with 10BaseT Ethernet
C) Confirm that CSMA/CD is disabled on the Ethernet network
D) Confirm the new host is using 10GBaseSR due to the manufacturing environment


5. Joe, a user, has a computer that has a link light on his network interface card (NIC); however, Joe is unable to access the Internet. Which of the following is the cause of this issue?

A) Faulty GBIC
B) Cable is a crossover
C) VLAN mismatch
D) Faulty SFP


Solutions:

Question # 1
Answer: A
Question # 2
Answer: B
Question # 3
Answer: C
Question # 4
Answer: B
Question # 5
Answer: C

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