CompTIA Network+ certification : JK0-023

Exam Code: JK0-023

Exam Name: CompTIA Network+ certification

Updated: Jun 01, 2026

Q & A: 995 Questions and Answers

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CompTIA Network+ certification Sample Questions:

1. Sandy, a user, is unable to map a drive to a known NetBIOS share. A ping from the client to the server is successful. Which of the following software tools is used to check if NetBIOS is enabled?

A) netstat
B) nbtstat
C) arp
D) nslookup


2. Which of the following tools can the technician use to analyze TCP/IP packets when trying to determine a connection problem within a subnet?

A) SYSLOG server
B) Cable tester
C) Protocol analyzer
D) Wire mapper


3. An IP address assigned from a DHCP server is said to be which of the following?

A) Secure
B) Hybrid
C) Static
D) Dynamic


4. Which of the following layers of the OSI model is responsible for stripping the TCP port information before sending the packet up to the next layer?

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


5. Which of the following protocols would be used to send email to an email server?

A) NTP
B) SMTP
C) SNMP
D) FTP


Solutions:

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

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