Troubleshooting MCQs

Practice Troubleshooting MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Computer & Networking BasicsTroubleshooting

If users can reach a web server by IP address but not by its domain name, which service should be checked first?

ADNS
BDHCP lease duration only
CEthernet FCS
DCPU scheduler

Show AnswerHide Answer Report an error

Correct Answer: A. DNS

Explanation: Successful IP connectivity with failed name-based access commonly indicates a DNS resolution problem.

Reference: Standard computer and networking fundamentals: troubleshooting

Question 2

Computer & Networking BasicsTroubleshooting

If a host can communicate with devices in its own subnet but cannot reach remote IP networks, a likely configuration to check first is the?

ADefault gateway
BMonitor refresh rate
CCPU cache
DKeyboard layout

Show AnswerHide Answer Report an error

Correct Answer: A. Default gateway

Explanation: Local subnet traffic does not require a router, while remote-network traffic normally depends on a correctly configured and reachable default gateway.

Reference: Standard computer and networking fundamentals: troubleshooting