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Question 9 - 202-450 discussion

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When the default policy for the netfilter INPUT chain is set to DROP, why should a rule allowing traffic to localhost exist?

A.
All traffic to localhost must always be allowed
Answers
A.
All traffic to localhost must always be allowed
B.
It doesn't matter; netfilter never affects packets addressed to localhost
Answers
B.
It doesn't matter; netfilter never affects packets addressed to localhost
C.
Some applications use the localhost interface to communicate with other applications
Answers
C.
Some applications use the localhost interface to communicate with other applications
D.
syslogd receives messages on localhost
Answers
D.
syslogd receives messages on localhost
E.
The iptables command communicates with the netfilter management daemon netfilterd on localhost to create and change packet filter rules
Answers
E.
The iptables command communicates with the netfilter management daemon netfilterd on localhost to create and change packet filter rules
Suggested answer: C
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asked 18/09/2024
Jaime GONCALVES
45 questions
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