Certified Linux Administrator 11: 050-720 Exam
050-720 Questions & Answers
Exam Code: 050-720
Exam Name: Certified Linux Administrator 11
Q & A: 378 Q&As
QUESTION 1
You work as a Project Engineer for Net Perfect Inc. The company has a Linux-based network.
While working with the vi editor, you want to delete a word from the cursor position. Which of the
following commands will you use to accomplish the task?
A. esc + i
B. esc + ?word
C. esc + dw
D. esc + /word
Answer: C
QUESTION 2
Which of the following files is used to control the behavior of the SSH server?
A. sshd_config
B. ssh_cont
C. sshd_cont
D. ssh_config
Answer: A
QUESTION 3
In Linux, which of the following directories contains all the system-wide configuration files?
A. /var
B. /etc
C. /sbin
D. /tmp
Answer: B
QUESTION 4
In Linux, which of the following commands is used to specify default permissions while creating
files?
A. wc
B. tar
C. uniq
D. umask
Answer: D
QUESTION 5
You work as a Database Administrator for Net Perfect Inc. The company has a Linux-based
network. While working in the vi editor you want to move the window one page up. Which of the
following key combinations would you use to accomplish the task?
A. CTRL-E
B. CTRL-Y
C. CTRL-F
D. CTRL-B
Answer: D
QUESTION 6
You work as a Network Administrator for Tech Perfect Inc. The company has a Linux-based
network. You want to kill a process running on a Linux server. Which of the following commands
will you use to know the process identification number (PID) of the process?
A. killall
B. getpid
C. kill
D. ps
Answer: D
QUESTION 7
You have an online video library. You want to upload a directory of movies. Since this process will
take several hours, you want to ensure that the process continues even after the terminal is shut
down or session is closed. What will you do to accomplish the task? Each correct answer
represents a complete solution. Choose all that apply.
A. Use the bg command to run the process at the background.
B. Add the nohup command in front of the process.
C. Add the nohup command at the end of the process.
D. Run the process inside a GNU Screen-style screen multiplexer.
Answer: BD
QUESTION 8
You work as a Database Administrator for Net Perfect Inc. The company has a Linux-based
network. You want to see the list of filenames that end with .txt extension. Which of the following
commands can you use to accomplish the task?
A. ?.txt
B. #.txt
C. &.txt
D. *.txt
Answer: D
QUESTION 9
Which of the following RPM commands is used to list all the installed packages?
A. bash$ rpm -qa | grep -i kde
B. bash$ rpm -qif /bin/ls
C. bash$ rpm -qa | less
D. bash$ rpm -qpl foobar-1.0-1.i386.rpm
Answer: C
QUESTION 10
In Linux, which of the following commands is used for specifying the number of bytes that are to be
written to the output file at a time during the dumping process?
A. dd -bs
B. dd -of
C. dd -obs
D. dd -ibs
Answer: C
QUESTION 11
In which of the following modes of YaST operations is a user interface provided in the ncurses
environment that gives windowing capabilities?
A. Output-split mode
B. Graphics mode
C. Input-split mode
D. Text mode
Answer: D
QUESTION 12
Fill in the blank with the appropriate term. The _________is a small disk area that contains
information about the RAID device. It is allocated at the end of each RAID device and helps the
kernel to safely detect RAID devices even if disks were moved between the SCSI controllers.
Answer: persistent superblock
QUESTION 13
A Linux file system is a collection of files and directories stored. Which of the following Linux file
systems stores application programs?
A. /tmp
B. /
C. /var
D. /usr
Answer: D
QUESTION 14
What is the purpose of the ssh-agent command?
A. ssh-agent is a program that helps configure the ssh daemon.
B. ssh-agent is used to fetch public keys from machines within your network.
C. ssh-agent is used to avoid typing the passphrase for your key on each login.
D. ssh-agent is a program that checks for machines in the network that have an ssh daemon running.
Answer: C
QUESTION 15
Using the nice command, what is the highest priority a normal user can assign to a process?
A. -20
B. -19
C. 0
D. 19
E. 20
F. 99
Answer: C
QUESTION 16
Which command can you use to create a Reiser file system on the sda6 partition? (Choose 2.)
A. mkreiserfs /dev/sda6
B. fdisk.reiserfs /dev/sda6
C. make.reiserfs /dev/sda6
D. fdisk -t reiserfs /dev/sda6
E. mkfs -t reiserfs /dev/sda6
Answer: AE
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