LX0-103 Online Practice Questions and Answers

Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?

A. /etc/keys

B. /proc/keys

C. /etc/inittab

D. /proc/inittab

E. /etc/reboot

Which of the following is correct when talking about mount points?

A. Every existing directory can be used as a mount point.

B. Only empty directories can be used as a mount point.

C. Directories need to have the SetUID flag set to be used as a mount point.

D. Files within a directory are deleted when the directory is used as a mount point.

Which function key is used to start Safe Mode in Windows NT?

A. F10

B. F8

C. F6

D. Windows NT does not support Safe Mode

What command will generate a list of user names from /etc/passwd along with their login shell?

A. column -s : 1,7 /etc/passwd

B. chop -c 1,7 /etc/passwd

C. colrm 1,7 /etc/passwd

D. cut -d: -f1,7 /etc/passwd

Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?

A. kill -PIPE 123

B. kill -KILL 123

C. kill -STOP 123

D. kill -TERM 123

What is the output of the following command?

echo "Hello World" | tr -d aieou

A. Hello World

B. eoo

C. Hll Wrld

D. eoo Hll Wrld

Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?

A. file /tmp/myfile.txt

B. echo "Hello" >/tmp/myfile.txt

C. sed -ie "s/1/2/" /tmp/myfile.txt

D. echo -n "Hello" >>/tmp/myfile.txt

E. touch /tmp/myfile.txt

Which grep command will print only the lines that do not end with a / in the file foo?

A. grep '/$' foo

B. grep '/#' foo

C. grep -v '/$' foo

D. grep -v '/#' foo

Which of the following command sets the Bash variable named TEST with the content FOO?

A. set TEST="FOO"

B. TEST = "FOO"

C. var TEST="FOO"

D. TEST="FOO"

Which of the following commands can be used to locate programs and their corresponding man pages and configuration files?

A. dirname

B. which

C. basename

D. query

E. whereis

Creating a hard link to an ordinary file returns an error. What could be the reason for this?

A. The source file is hidden.

B. The source file is read-only.

C. The source file is a shell script.

D. The source file is already a hard link.

E. The source and the target are on different filesystems.

Instead of supplying an explicit device in /etc/fstab for mounting, what other options may be used to identify the intended partition? (Choose TWO correct answers.)

A. FIND

B. ID

C. LABEL

D. NAME

E. UUID

Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)

In which directory must definition files be placed to add additional repositories to yum?

Which umask value will result in the default access permissions of 600 (rw-------) for files and 700 (rwx------) for directories? (Specify only the numerical umask value.)