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?
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A.
VLAN tag mismatch
B.
Wrong subnet mask
C.
Smurf attack
D.
Faulty routing rule
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.