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Linux Security Question and Answers

Linux Security

Last Update Apr 28, 2024
Total Questions : 51

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Questions 1

Which of the following lines would log all messages from news to the file /var/log/newslog?

Options:

A.  

news.* /var/log/newslog

B.  

news.!* /var/log/newslog

C.  

news.*;news.!=info /var/log/newslog

D.  

*news /var/log/newslog

Discussion 0
Questions 2

You are working in Linux when a program hits a flaw and stops running. Which command can be used to end the process?

Options:

A.  

end

B.  

CTRL-ALT-DEL

C.  

stop

D.  

wait

E.  

kill

Discussion 0
Questions 3

server/computer combination appears in both hosts.allow and hosts.deny. What's the result of this configuration when TCP Wrappers runs?

Options:

A.  

hosts.deny takes precedence; the client is denied access to the server.

B.  

hosts.allow takes precedence; the client is granted access to the server.

C.  

The system's administrator is paged to decide whether to allow access.

D.  

TCP Wrappers refuses to run and logs an error in /var/log/messages.

Discussion 0
Questions 4

Which of the following umask values will result in files with rw-r----- permissions?

Options:

A.  

640

B.  

022

C.  

210

D.  

027

Discussion 0
Questions 5

Upon boot, the kernel starts init. What does init start next?

Options:

A.  

/etc/rc.d/init.d

B.  

/etc/rc.d/rc.sysinit

C.  

/etc/rc.d/initdefault

D.  

/etc/inittab

Discussion 0
Questions 6

What would the following command do?

cat MyFile | sort | tee | lpr

Options:

A.  

Print the contents of MyFile in alphabetical order and display the contents of MyFile in sorted order.

B.  

Print the contents of MyFile in alphabetical order and display the contents of MyFile.

C.  

It would not work because it contains too many pipes.

D.  

Print the contents of MyFile in alphabetical order.

Discussion 0
Questions 7

What is the name of the file that contains encrypted hashes of passwords on a Linux system?

Options:

A.  

/etc/shadow

B.  

/etc/.passwd

C.  

/etc/passwd

D.  

/.secure/.htaccess

Discussion 0