What Download XK0-004 Practice Exam Is

NEW QUESTION 1
A Linux administration is using a Linux system as a router. During the tests, the administrator discovers that IP packets are not being sent between the configured interfaces.
Which of the following commands enables this feature for IPv4 networks?

• A. cat /proc/sys/net/ipv4/ip_route > 1
• B. echo “1” > /proc/sys/net/ipv4/ip_forward
• C. echo “1” > /proc/sys/net/ipv4/ip_route
• D. echo “1” > /proc/sys/net/ipv4/ip_net

Answer: B

NEW QUESTION 2
Which of the following server roles would assign a host IP address?

• A. DHCP
• B. NTP
• C. DNS
• D. SSH

Answer: A

NEW QUESTION 3
A systems administrator observes high latency values when reaching a remote web server. Which of the following commands will help determine and isolate issues on the network side?

• A. mtr
• B. dig
• C. netstat
• D. route

Answer: A

NEW QUESTION 4
Which of the following statements BEST represents what the term “agentless” means regarding orchestration?

• A. Installation of a tool is not required on the remote system to perform orchestration tasks
• B. It facilitates version control when using infrastructure as code during orchestration
• C. It automatically removes malware from the remote system during orchestration
• D. A tool can only be accessed remotely to perform orchestration tasks

Answer: A

NEW QUESTION 5
A junior Linux administrator needs to ensure a service will start on system boot. Which of the following commands should be used to accomplish this task?

• A. chkconfig <service> on
• B. systemctl <service> bootup
• C. service <service> enable
• D. crontab install <service>

Answer: A

NEW QUESTION 6
In order to comply with new security policies, an administrator needs to prevent the SSH server from using insecure algorithms.
Which of the following files should be edited to accomplish this?

• A. /etc/ssh/sshd_config
• B. /etc/ssh/ssh_config
• C. ~/.ssh/ssh_config
• D. /etc/ssh/known_hosts

Answer: A

NEW QUESTION 7
A Linux systems administrator installed a new web server, which failed while attempting to start. The administrator suspects that SELinux is causing an issue and wants to temporarily put the system into permissive mode. Which of the following would allow the administrator to accomplish this?

• A. echo SELINUX=PERMISSIVE >> /etc/sysconfig/selinux
• B. setenforce 0
• C. sestatus 0
• D. chcon httpd_sys_content_t /var/

Answer: B

NEW QUESTION 8
After starting a long-running script, a systems administrator needs to verify the frequency of what is filling up the /var partition and kill it because it is consuming too much space.
Which of the following is the correct sequence given only a terminal is available?

• A. 1. CTRL-C2. bg3. watch df /var4. CTRL-C5. fg6. CTRL-Z
• B. 1. CTRL-C2. fg3. watch df /var4. CTRL-Z5. bg6. CTRL-Z
• C. 1. CTRL-Z2. bg3. watch df /var4. CTRL-C5. fg6. CTRL-C
• D. 1. CTRL-Z2. bg3. watch df /var4. CTRL-Z5. fg6. CTRL-C

Answer: D

NEW QUESTION 9
A systems administrator has finished building a new feature for the monitoring software in a separate Git branch.
Which of the following is the BEST method for adding the new feature to the software’s master branch?

• A. Merge the changes from the feature branch to the master branch.
• B. Save the changes to the master branch automatically with each Git commit.
• C. Clone the feature branch into the master branch.
• D. Pull the changes from the feature branch into the master branch.

Answer: A

NEW QUESTION 10
A Linux administrator needs to take stock of USB devices attached to the system. Which of the following commands would be BEST to complete this task?

• A. lspci
• B. lsusb
• C. cat /proc/USB
• D. modprobe -–usb

Answer: B

NEW QUESTION 11
Find the file named core and remove it from the system. INSTRUCTIONS
Type “help” to display a list of available commands.
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 12
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 13
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 14
Which of the following commands would show the default printer on a Linux system?

• A. lpr
• B. lpq
• C. lpstat
• D. lspci

Answer: B

NEW QUESTION 15
A Linux systems administrator needs to copy the contents of a directory named “working” on the local working system to a folder /var/www/html on a server named “corporate-web”.
Which of the following commands will allow the administrator to copy all the contents to the web server?

• A. scp –r working/* webuser@corporate-web:/var/www/html
• B. tar working/* webuser@corporate-web:/var/www/html
• C. cp –r working/* webuser@corporate-web:/var/www/html
• D. mv working webuser@corporate-web:/var/www/html

Answer: A

NEW QUESTION 16
Which of the following would be the BEST solution for a systems administrator to access the graphical user environment of a Linux machine remotely?

• A. VNC
• B. KDE
• C. X11
• D. RPC

Answer: A

NEW QUESTION 17
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