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NEW QUESTION 1
A Linux systems administrator needs to provision multiple web servers into separate regional datacenters. The systems architect has instructed the administrator to define the server infrastructure using a specific tool that consumes a text-based file.
Which of the following is the BEST reason to do this?

• A. To document the infrastructure so it can be included in the system security plan
• B. To ensure the administrator follows the planning phase of the system development life cycle
• C. To define the infrastructure so it can be provisioned consistently with minimal manual tasks
• D. To validate user requirements have been met within each regional datacenter for compliance

Answer: B

NEW QUESTION 2
A systems administrator wants to deploy several applications to the same server quickly. Each application should be abstracted from the host with its own dependencies and libraries and utilize a minimal footprint.
Which of the following would be BEST in this scenario?

• A. Virtual machines
• B. Type 2 hypervisor
• C. Chroot jails
• D. Containers

Answer: D

NEW QUESTION 3
Which of the following BEST describes the purpose of the X11 system?

• A. X11 provides graphical display capabilities
• B. X11 provides command line capabilities
• C. X11 provides networking capabilities
• D. X11 provides telephony capabilities.

Answer: A

NEW QUESTION 4
Which of the following configuration files should be modified to disable Ctrl-Alt-Del in Linux?

• A. /etc/inittab
• B. ~/.bash_profile
• C. /etc/securetty
• D. /etc/security/limits.conf

Answer: A

NEW QUESTION 5
A junior administrator of a physical server receives log messages indicating the out-of-memory killer has been active. All memory slots are in use on the motherboard, but additional disk space is available. Space has been allocated for a swap file.
Which of the following should the administrator use to reduce the output of memory messages?

• A. free : swapoff / swapfile ; swapon -a
• B. mkswap /swapfile; swapon –a
• C. fallocate –l 2G /swapfile && swapon –a
• D. echo “1” > /proc/meninfo ; swapon / swapfile

Answer: A

NEW QUESTION 6
A junior systems is configuring localization option environment variables. The administrator is given a checklist of tasks with the following requirements:
View current settings of the LC_ALL environment variable only. Modify the LANG environment variable to US English Unicode.
Given this scenario, which of the following should be performed to meet these requirements? (Choose two.)

• A. echo $LC_ALL
• B. locale
• C. cat $LC_ALL
• D. export LANG = en_US.UTF-8
• E. export $LANG = en_US.UTF
• F. stty

Answer: BD

NEW QUESTION 7
Which of the following is the purpose of the vmlinux file on a Linux system?

• A. To prevent a Linux kernel panic
• B. To start a Linux virtual machine
• C. To provide the executable kernel for the system
• D. To enable resource access to the network

Answer: C

NEW QUESTION 8
A Linux administrator installed a new network adapter and temporarily disabled the network service from starting on boot. The partial output of chkconfig is as follows:

Which of the following commands BEST describes how the administrator should re-enable the network service?

• A. chkconfig --level 0 network on
• B. chkconfig --level 0-6 network on
• C. chkconfig --level 6 network on
• D. chkconfig --level 12 network on
• E. chkconfig --level 345 network on

Answer: E

NEW QUESTION 9
Which of the following is the purpose of the monitoring server role?

• A. To aggregate web traffic to watch which websites employees are visiting
• B. To collect status and performance information about the servers in an environment
• C. To provide user authentication services to a network
• D. To provide real-time analysis of potential threats to the organization

Answer: B

NEW QUESTION 10
An administrator is troubleshooting an application that has failed to start after the server was rebooted. Noticing the data volume is not mounted, the administrator attempts to mount it and receives this error:

Upon checking the logical volume status, the administrator receives this information:

Which of the following can be said about the data logical volume, and how can this problem be resolved?

• A. The logical volume is not activ
• B. The administrator should make it active with lvchange -ay /dev/ datavg/datalv and then mount it.
• C. The logical volume file system has become corrupte
• D. The administrator should repair it with xfs_repair/dev/datavg/datalv and then mount it.
• E. The logical volume is OK but the /dev special files are missin
• F. The administrator should recreate them by running /dev/MAKEDEV.
• G. The file system is read-onl
• H. The administrator should remount it as read-write with the command mount - o remount.rw /data.

Answer: A

NEW QUESTION 11
A systems administrator needs to append output of ls –lha /opt command to the contents of a test.txt file. Which of the following commands will accomplish this?

• A. ls –lha /opt > test.txt
• B. ls –lha /opt < test.txt
• C. ls –lha /opt >> test.txt
• D. ls –lha /opt << test.txt

Answer: C

NEW QUESTION 12
An administrator has written the following Bash script:

All necessary files exist in the correct locations. However, when the administrator executes /home/user/test.sh the following error is received:
No such file or directory
Which of the following is the MOST likely cause of the error?

• A. The shebang points to the wrong path.
• B. The script is not executable.
• C. The formatting of the file is incorrect.
• D. Nslookup is not installed.

Answer: A

NEW QUESTION 13
A systems administrator suspects a process with a PID of 2864 is consuming resources at an alarming rate. The administrator uses the command renice -n -5 -p2864, but it does not solve the issue. Which of the
following commands should the administrator execute to correct the issue?

• A. nice -n 5 -p 2864
• B. nice -n -5 -p 2864
• C. renice -n 10 -p 2864
• D. renice -n -10 -p 2864

Answer: D

NEW QUESTION 14
As a Systems Administrator, to reduce disk space, you were tasked to create a shell script that does the following:
Add relevant content to /tmp/script.sh, so that it finds and compresses rotated files in /var/log without recursion.
INSTRUCTIONS
Fill the blanks to build a script that performs the actual compression of rotated log files.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

• A. Yes
• B. Not Mastered

Answer: A

NEW QUESTION 15
A company wants to ensure that all newly created files can be modified only by their owners and that all new directory content can be changed only by the creator of the directory. Which of the following commands will help achieve this task?

• A. umask 0022
• B. umask 0012
• C. chmod –R 0644 /
• D. chmod –R 0755 /

Answer: A

NEW QUESTION 16
A systems administrator must clean up all application files in the directory /var/log/app. However, the company’s security policy requires the files to be kept on the backup server for one year. The Linux server has only the tar and bzip2 packages installed.
Which of the following commands will package and compress the files?

• A. tar –zcvf applicationfiles.tar.bz2 /var/log/app/*
• B. tar –jcvf applicationfiles.tar.bz2 /var/log/app/*
• C. tar –cvf applicationfiles.tar.bz2 /var/log/app/*
• D. tar –xvf applicationfiles.tar.bz2 /var/log/app/*

Answer: C

NEW QUESTION 17
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