OD41

9 November 2025

CompTIA Network+: Troubleshooting Cabling, Interfaces, & Network Services


 

Question:

While troubleshooting a client who is unable to reach the default gateway you issue the netsh ip reset command. What will be the result of this command?

  • It sets the TCP/IP stack back to its default state on the client


Question

:

Which interface counter or characteristic might you examine if you suspect that network packets are not arriving at their destination intact?

  • Cyclic Redundancy Check (CRC)


Question

:

If host 1 has an IP address of 192.168.1.64, and host 2 has an address of 192.168.1.150, and both hosts have a subnet mask of 255.255.255.192, what will be the result in terms of communication between host 1 and host 2?

  • Neither will be able to reach the other


Question

:

What is the most likely result of a duplicate IP address occurring on a LAN?

  • One or both systems with the duplicate address will lose connectivity


Question

:

Which routing command can be used to display the current entries in a router’s table?

Answer A.

  • show ip route

Question
:

Issues with the Spanning Tree Protocol on a switch would most likely result in which type of problem or behavior?

  • Switching loops


Question

:

Which type cabling might only support speeds of up to 100 Mbps?

  • Category 5


Question

:

What symptom is most likely to be observed if a PoE device is receiving too much power?

  • Overheating


Question

:

Address pool exhaustion on a LAN refers to which situation?

  • Not having enough addresses in a DHCP pool