A user is trying to access www.example.com from their
browser. The browser does not have the IP address cached. The system performs a
DNS lookup, but the request is taking unusually long, and eventually, the
browser times out.
Which of the following could be the most likely cause of the delay?

Question

A user is trying to access www.example.com from their
browser. The browser does not have the IP address cached. The system performs a
DNS lookup, but the request is taking unusually long, and eventually, the
browser times out. 
Which of the following could be the  most likely cause  of the delay?

Answer

The
DNS recursive resolver is unreachable or misconfigured.

Answer

The
web server is down.

Answer

The
DNS zone file is corrupted on the authoritative DNS server.

Answer

The
user's internet speed is slow.

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A user is trying to access www.example.com from their browser. The browser does...

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