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CompTIA Network+ certification Sample Questions:

1. Which of the following would be considered a Demarc extension?

A) A patch cable connecting a cable modem with a wireless router
B) Copper wire connecting the main PSTN point of entry to a wall data outlet
C) Patch panel wiring
D) Punch down block wiring

2. Which of the following is used to limit the amount of bandwidth used on a link for different applications to improve overall performance?

A) Fault tolerance
B) Traffic shaping
C) Load balancing
D) QoS

3. A crossover cable is MOST commonly associated with which of the following layers of the OSI model?

A) Application
B) Network
C) Physical
D) Session

4. Which of the following would a network administrator use to scan a network for vulnerabilities?

A) ICMP
B) NMAP
C) ACL
D) TCPDUMP

5. A network technician is troubleshooting a user's connectivity problem, and has determined a probable cause. The technician is at which step in the troubleshooting methodology?

A) Identify the problem
B) Implement the solution
C) Verify full system functionality
D) Establish a theory

Solutions: