1Z0-402 試験問題を無料オンラインアクセス

As normal user scott you have generated version 2 dsa key pair using the ssh-keygen program. What are the default user permissions available for the private key?

• A.Both read and write
• B.Both write and execute
• C.Both read and execute
• D.All read, write, and execute
• E.Only read

View the Exhibit.
Which option with the mkdir command would print a message for each created directory as shown in the Exhibit?

• A.The option m alone
• B.The options p and v
• C.The options m and v
• D.The options m and p

Match the following Linux kernel virtual hierarchies with their content:
1) /proc a) Per process information directories and other tunables 2) /sys b) RAM drive for POSIX shared memory operations 3) /dev/pts c) Kernel object data structures 4) /dev/shm d) Auto-ownership of terminals (ttys)

• A.1-b, 2-a, 3-d, 4-c
• B.1-b, 2-a, 3-c, 4-d
• C.1-a, 2-c, 3-d, 4-b
• D.1-a, 2-b, 3-d, 4-c

View the Exhibit.
The root user issued the following command on mailqueue.txt shown in the Exhibit:
cat mailqueue.txt | cut -dr -f2- | cut -f2 | cut -d "@" -f2 | sort | uniq | wc -I
What is the purpose of using this command?

• A.to count the total number of e-mail addresses in the file
• B.to list the e-mail addresses after removing the duplicates
• C.to determine how many different domains are available amongst the e-mail addresses in mailqueue.txt
• D.to sort the e-mail addresses in mailqueue.txt and print it along with the total number of lines

You execute the following two commands at the bash prompt in the same order as shown below:
[root@station2]# myexpr=$((14*18)) [root@station2]# echo $((56+$myexpr))
What would be the output of the echo command?

• A.56
• B.$myexpr
• C.308
• D.$((56+$myexpr))
• E.252