CompTIA Network+ certification: JK0-023 Exam

"CompTIA Network+ certification", also known as JK0-023 exam, is a CompTIA Certification. With the complete collection of questions and answers, BraindumpsPass has assembled to take you through 995 Q&As to your JK0-023 Exam preparation. In the JK0-023 exam resources, you will cover every field and category in Network+ Certification helping to ready you for your successful CompTIA Certification.

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  • Updated on: May 26, 2026
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  • Updated on: May 26, 2026
  • No. of Questions: 995 Questions & Answers

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CompTIA Network+ certification Sample Questions:

1. Hubs are differentiated from switches in that between the two, only hubs have:

A) Multiple broadcast domains.
B) Multiple collision domains.
C) A single broadcast domain.
D) A single collision domain.


2. Which of the following is true about the main difference between a web session that uses port 80 and one that uses port 443?

A) Port 80 web session cannot use encryption, while port 443 sessions are encrypted using web certificates.
B) Port 80 web sessions often use application-level encryption, while port 443 sessions often use transport-level encryption.
C) Port 80 web sessions can use web application proxies, while port 443 sessions cannot traverse web application proxies.
D) Port 80 web sessions are prone to man-in-the-middle attacks, while port 443 sessions are immune from man-in-the-middle attacks.


3. Which of the following network management tools can filter information from all data entering and leaving a specific port on the switch?

A) Network sniffer
B) SNMP trap
C) Bandwidth analyzer
D) Syslog server


4. A router operates at which of the following layers of the OSI model?

A) Layer 4
B) Layer 5
C) Layer 3
D) Layer 2


5. Which of the following performs posture assessments for unknown devices that connect to the network?

A) NAC
B) AAA
C) EAP
D) PKI


Solutions:

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

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