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Q.

Signals of a given type ____________

A

are queued

B

are all sent as one

C

cannot be queued

D

none of the mentioned

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In which tcp_wrappers file can you specify to allow all connections from all hosts?

A

/etc/hosts.allow

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/etc/hosts.deny

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/etc/hosts

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/etc/tcp.conf

E

None of the above

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MCQ

2.

If a thread invokes the exec system call ____________

A

only the exec executes as a separate process

B

the program specified in the parameter to exec will replace the entire process

C

the exec is ignored as it is invoked by a thread

D

none of the mentioned

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Which of the following is the main Apache configuration file?

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apache.con

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system.ini

E

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What command is used to count the number of files in the current directory by using pipes?

A

ls | ws - c

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ls | wc - w

C

ls | wc - l

D

ls | wc

E

None of the above

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Where can system and mail logs be found in Ret Hat Linux?

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/var/log

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/etc/log

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/mail

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All of the above

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None of the above

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