220-1101 Question #820: Real Exam Question with Answer & Explanation

The correct answer is A: Loopback plug. A loopback plug is a diagnostic tool used to test the functionality of network interfaces by creating a signal loop. In this case, since the user's device is hardwired to the network but cannot access the internet, using a loopback plug can help determine whether the issue is wit

Hardware and network troubleshooting

Question

A user is unable to access the internet, but other users in the same office are not having an issue. All users' devices are hardwired to the network. Which of the following tools should the technician use to determine the issue?

Options

ALoopback plug
BNetwork tap
CWi-Fi analyzer
DPunchdown tool

Explanation

A loopback plug is a diagnostic tool used to test the functionality of network interfaces by creating a signal loop. In this case, since the user's device is hardwired to the network but cannot access the internet, using a loopback plug can help determine whether the issue is with the network interface card (NIC) or the Ethernet cable.

Topics

#Network troubleshooting#Troubleshooting tools#Loopback plug#Ethernet

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