A user on a SOHO network is unable to watch online videos, even at 240 pixels. The technician runs ipconfig from the user's computer and records the following: The technician then connects a test…

The correct answer is B. Faulty NIC. The key diagnostic step here is that the technician used the same Cat 5 cable with a test laptop and it worked - this eliminates the cable as the problem (ruling out option D). If the test laptop received a valid IP and had connectivity, the gateway and network infrastructure…

Hardware and network troubleshooting

Question

A user on a SOHO network is unable to watch online videos, even at 240 pixels. The technician runs ipconfig from the user's computer and records the following:

The technician then connects a test laptop to the router via the user's Cat 5 cable and records the following information:

Which of the following is MOST likely causing the user's issue?

Exhibit

Options

AIncorrect IP address
BFaulty NIC
CMisconfigured default gateway
DBad network cable

How the community answered

(44 responses)

A
16% (7)
B
70% (31)
C
9% (4)
D
5% (2)

Explanation

The key diagnostic step here is that the technician used the same Cat 5 cable with a test laptop and it worked - this eliminates the cable as the problem (ruling out option D). If the test laptop received a valid IP and had connectivity, the gateway and network infrastructure are working (ruling out options A and C). Since everything external to the user's machine works, the fault must be within the user's workstation itself. The most likely hardware culprit causing intermittent or poor network performance on that specific machine is the NIC (Network Interface Card). A failing NIC can connect but drop packets, cause poor throughput, or exhibit intermittent behavior - consistent with the inability to stream even low-quality video.

Topics

#Network Troubleshooting#Faulty NIC#IP Configuration#Troubleshooting Methodology

Community Discussion

No community discussion yet for this question.

Full 220-1101 Practice