A user reports that some normally accessible external sites are not responding, but most other sites are responding normally. Which of the following is MOST likely the cause?

The correct answer is D. Faulty routing rule. This happens when the DNS server is able to resolve the URL but there can be a conflicting route pointing to somewhere else rather than to the correct device who is responsible for routing traffic to the internet.

Network troubleshooting

Question

Options

AVLAN tag mismatch
BWrong subnet mask
CSmurf attack
DFaulty routing rule

How the community answered

(35 responses)

A
3% (1)
B
14% (5)
C
6% (2)
D
77% (27)

Explanation

This happens when the DNS server is able to resolve the URL but there can be a conflicting route pointing to somewhere else rather than to the correct device who is responsible for routing traffic to the internet.

Topics

#routing#faulty routing rule#selective connectivity#network troubleshooting

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