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The CompTIA XK0-004 certification exam is a valuable asset for IT professionals who are looking to advance their career in Linux systems administration. It is a globally recognized certification that demonstrates the proficiency and expertise of the candidate in handling and managing Linux-based systems. The certification exam covers a wide range of topics related to Linux administration and is conducted online, making it accessible to anyone, anywhere in the world.
XK0-004 Exam topics
Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our CompTIA XK0-004 exam dumps will include the following topics:
- Systems Operation and Maintenance 26%
- Linux Troubleshooting and Diagnostics 20%
- Hardware and System Configuration 21%
- Security 19%
- Automation and Scripting 14%
NEW QUESTION # 153
You have been asked to parse a log file of logins to determine various information about who is logging in and when.
INSTRUCTIONS
Open and inspect the Login log file.
Drag and drop the correct commands onto the output that was generated from that command.
Tokens can be used only once and not all will be used.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
NEW QUESTION # 154
A networked has been crashing intermittently. A Linux administrator would like to write a shell script that will attempt to ping the server and email an alert if the server fails to respond. The script will later be scheduled via cron job.
Which of the following scripts would BEST accomplish this task?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION # 155
A user, jsmith, needs access to database files located on a server. Which of the following will add jsmith to the
"dba" group and preserve existing group memberships?
- A. useradd -g dba jsmith
- B. usermod -a -G dba jsmith
- C. usermod -g dba jsmith
- D. groupmod dba -u jsmith
Answer: A,B
Explanation:
According to the reference given below. Both AC is correct.
Reference:
https://www.cyberciti.biz/faq/howto-linux-add-user-to-group/
NEW QUESTION # 156
A new video card was added to a customer workstation. To get the new video card to work correctly, a systems administrator needs to remove support for the nouveau video driver on the Linux workstation.
Which of the following will accomplish this task?
- A. Use modprobe -R nouveau.
- B. Use rmmod -f nouveau.
- C. Add blacklist nouveau to /etc/modprobe.conf.
- D. Add blacklist nouveau to /etc/modprobe.d/blacklist.conf.
Answer: B
NEW QUESTION # 157
Which of the following boot methods can a Linux administrator use to boot a Linux server remotely via a network interface card instead of a local disk?
- A. NTP
- B. Kickstart
- C. PXE
- D. NFS
Answer: C
NEW QUESTION # 158
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?
1. CTRL-C
- A. 2. bg
3. watch df /var
4. CTRL-Z
5. fg
6. CTRL-C - B. 2. bg
3. watch df /var
4. CTRL-C
5. fg
6. CTRL-Z
1. CTRL-C - C. 2. bg
3. watch df /var
4. CTRL-C
5. fg
6. CTRL-C
1. CTRL-Z - D. 2. fg
3. watch df /var
4. CTRL-Z
5. bg
6. CTRL-Z
1. CTRL-Z
Answer: A
NEW QUESTION # 159
A systems administrator notices several intensive tasks executing from users Joe and Ann. These processes are impacting server operations but must be allowed to continue running.
Which of the following commands should the systems administrator run to reduce the impact on the server?
- A. renice 11 -u joe ann
- B. nohup -u joe ann
- C. strace -u joe ann
- D. pkill -u joe ann
Answer: A
Explanation:
Explanation/Reference: https://www.computerhope.com/unix/renice.htm#:~:text=On%20Unix%2Dlike%20operating%
20systems,the%20Linux%20version%20of%20renice
NEW QUESTION # 160
A systems administrator wants to verify the DNS information of a system that is in production.
Which of the following will provide this information?
- A. nmap -R 10.10.20.21 10.10.1.10
- B. dig -x 10.10.20.21 @10.10.1.10
- C. route 10.10.20.21 gw 10.10.1.10
- D. whois -r -h 10.10.1.10 10.10.20.21
Answer: B
NEW QUESTION # 161
An administrator receives an alarm because the disk of one of the sewers is running out of space. Which of the
following commands can be used to see the space that each partition is using?
- A. du -scg /
- B. df -h
- C. fdisk -l
- D. fsck /
Answer: B
NEW QUESTION # 162
A systems administrator wants to install a new application that requires the newmod kernel module. Which of
the following commands should the systems administrator use?
- A. modinfo newmod
- B. lsmod newmod
- C. lsof newmod
- D. modprobe newmod
Answer: A
NEW QUESTION # 163
A junior systems administrator is scanning archive.tar files with an antivirus scanner. The administrator is given the following tasks:
* List all files that are in the archive.tar files.
* Extract all files from the archive.tar files.
Which of the following actions should be performed to meet these requirements? (Choose two.)
- A. tar -tvf archive.tar
- B. tar -av archive.tar
- C. tar -xf archive.tar
- D. tar -r archive.tar
- E. tar -uvz archive.tar
- F. tar -A archive.tar
Answer: A,C
Explanation:
Reference:
https://linuxize.com/post/how-to-create-and-extract-archives-using-the-tar-command-in-linux/
NEW QUESTION # 164
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. renice -n 10 -p 2864
- B. nice -n -5 -p 2864
- C. nice -n 5 -p 2864
- D. renice -n -10 -p 2864
Answer: D
NEW QUESTION # 165
An administrator is installing a Linux VM on a personal hypervisor. The administrator wants to have the VM's IP address on the same network as the hypervisor host so the VM has the same network properties as the physical interface of the host. To which of the following should the administrator set the network properties?
- A. Overlay network
- B. NAT network
- C. Host-only network
- D. Bridge network
Answer: D
NEW QUESTION # 166
After cloning a remote repository, a new feature of that project needs to be developed and integrated into the next major release.
Which of the following is the first Git operation to run to begin working on this new feature immediately after the clone?
- A. init
- B. diff
- C. branch
- D. merge
Answer: D
NEW QUESTION # 167
A Linux administrator is configuring a group directory in which all members in the Admins group can share and edit files and create subdirectories with the same attributes. The administrator creates the directory as follows:
Mkdir /shared
Chgrp Admins /shared
Which of the following command should the administrator execute so users can work in the directory as required?
- A. Chmod g+s /shared
- B. Chmod g+t /shared
- C. Chown Admins /shared
- D. Chmod 0666 /shared
Answer: B
NEW QUESTION # 168
Administrators needs to copy a local hard drive's contents, master boot record, and partition table onto a remote server securely. Which of he following BEST allows the administrator to do this?
A)
B)
C)
D)
- A. Option C
- B. Option D
- C. Option B
- D. Option A
Answer: D
NEW QUESTION # 169
......
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