CompTIA JK0-023 : CompTIA Network+ certification

  • Exam Code: JK0-023
  • Exam Name: CompTIA Network+ certification
  • Updated: Sep 05, 2026
  • Q & A: 995 Questions and Answers

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CompTIA JK0-023 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Industry Standards, Practices and Network Theory16%- Fundamental network theory and standards
- Best practices in networking environments
Topic 2: Network Security18%- Security concepts and threat mitigation
- Securing wired and wireless networks
Topic 3: Network Operations20%- Network documentation and monitoring
- Change, configuration and lifecycle management
Topic 4: Troubleshooting24%- Using tools to diagnose connectivity issues
- Network troubleshooting methodology
Topic 5: Network Architecture22%- Network topology and architecture basics
- OSI model and network standards

CompTIA Network+ certification Sample Questions:

Question 1

A patch cable terminated with one end as T568A and the other as T568B will create which of the following cable types?

A. Serial
B. Straight through
C. Crossover
D. Roll over


Question 2

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


Question 3

Which of the following refers to a network that spans several buildings that are within walking distance of each other?

A. WAN
B. CAN
C. MAN
D. PAN


Question 4

Which of the following copper cable types should be chosen to run gigabit speeds through a dropped ceiling that returns airflow?

A. Non-Plenum CAT5
B. Plenum CAT5e
C. Non-Plenum CAT5e
D. Plenum CAT5


Question 5

Which of the following configurations of a wireless network would be considered MOST secure?

A. WEP using MAC Filtering
B. WEP and hiding the SSID
C. WPA TKIP and hiding the SSID
D. WPA2


Solutions:

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

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