050-720 Online Practice Questions and Answers

From command mode in vi, what do you have to do to enter text?

A. Press e

B. Press i

C. Press k

D. Press w

Which statements about the Linux boot process are correct? (Choose 3.)

A. The BIOS starts the kernel.

B. The initrd decompresses itself.

C. The kernel looks for and mounts the initrd.

D. The boot manager starts the init process.

E. linuxrc loads the modules to mount the root file system.

F. The boot manager loads the kernel and initrd into the memory.

Which range of User IDs is used for normal (unprivileged) users on SUSE Linux Enterprise Server 10?

A. 0-100

B. 101-499

C. 500-999

D. 1000 and above

Which key combination can you use to stop a process that runs in the foreground?

A. Ctrl +X

B. Ctrl +Z

C. Ctrl + Alt + X

D. Ctrl + Backspace

Within less, how do you search for a string downwards from where the cursor is positioned?

A. \string

B. ?string

C. /string

D. =string

What action does the jobs command perform?

A. Lists all scheduled cron jobs

B. Lists all mail items in the mail queue

C. Lists the content of the shell's job control

D. Lists all print jobs in the print queue.

You entered the following as a boot option in the GRUB boot screen: nit=/bin/bash What does the option mean?

A. The bash is used as the default shell.

B. Linux starts without a graphical environment.

C. The system is started directly in a bash shell. You are automatically logged in as root without being asked for a password.

D. The system is started directly in a bash shell. You are automatically logged in as default user without being asked for a password.

E. The system is started directly in a bash shell. You are automatically asked for the root password before you are logged in as root.

F. The system is started directly in a bash shell. You are automatically asked for the default user's password before you are logged in.

You want to view the last 20 lines of the /var/log/messages file and any new lines that are subsequently added by syslog to this file. Which command would you use?

A. tail -20f /var/log/messages

B. end -20f /var/log/messages

C. less -20f /var/log/messages

D. follow -20 /var/log/messages

Which RAID level is described by the following sentence? This level improves the performance of your data access; however, it does not provide redundancy.

A. RAID 0

B. RAID 1

C. RAID 4

D. RAID 5

E. RAID 6

Which command creates the .depend.boot, .depend.start, and .depend.stop files in /etc/init.d/?

A. init

B. insserv

C. mkinitrd

D. mkreiserfs