050-720 Online Practice Questions and Answers

The /etc/sysconfig/network/ifcfg-eth-id-macaddress configuration file contains a BOOTPRO option. Which are possible values of BOOTPROTO?

A. static or dhcp

B. master or slave

C. onboot, ifpluged, or manual

D. ethernet, wireless, or manual

The GRUB configuration file (/boot/grub/menu.lst) has a global section followed by sections for each operating system. Which options do you have to specify for each Linux operating system? (Choose 3.)

A. title

B. color

C. initrd

D. kernel

E. timeout

F. gfxmenu

G. message

While in insert mode, how do you save a file and close vi?

A. Press Esc and :q

B. Press Esc and :w

C. Press Esc and :wq

D. Press Esc and :zz

You want to find out which jobs are currently queued in the laser print queue on your CUPS print server. Which command displays the information you need?

A. lpstat -t

B. lp -P laser

C. lpq -P laser

D. lpadmin -P laser

How can you list the ACLs (if there are any) of a file test?

A. ls -l test

B. lsacl test

C. getfacl test

D. ls -l --acl test

Why are the noauto and users options used with /etc/fstab?

A. A normal user is not allowed to access this partition.

B. They allow any user to mount and unmount a partition.

C. They specify the partitions that are bootable by a user.

D. They specify the partitions that are not bootable by a user.

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.

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

To which process does the process ID 1 always belong?

A. init

B. boot

C. cron

D. X server

E. kernel (vmlinuz)

Which command would you use to start the xeyes program in the background?

A. xeyes and

B. xeyes andand

C. bg | xeyes

D. xeyes -bg

E. xeyes | bg

F. xeyes > bg