Free XK0-004 braindumps download (XK0-004 exam dumps Free Updated Dec 23, 2021)
XK0-004 Dumps for Pass Guaranteed - Pass XK0-004 Exam 2021
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 dumps will include the following topics:
- Automation and Scripting 14%
- Security 19%
- Linux Troubleshooting and Diagnostics 20%
- Systems Operation and Maintenance 26%
- Hardware and System Configuration 21%
CompTIA Linux+ Exam Certification Details:
| Books / Training | CertMaster Learn for Linux+ |
| Sample Questions | CompTIA Linux+ Sample Questions |
| Exam Price | $338 (USD) |
| Schedule Exam | Pearson VUE CompTIA Marketplace |
| Exam Name | CompTIA Linux+ |
| Number of Questions | 90 |
| Exam Code | XK0-004 |
| Passing Score | 720 / 900 |
| Duration | 90 mins |
NEW QUESTION 127
A systems administrator is configuring options on a newly installed Linux VM that will be deployed to the Pacific time zone. Which of the following sets of commands should the administrator execute to accurately configure the correct time settings?
- A. cd /etc/localln -s /usr/share/zoneinfo/US/Pacific localtime
- B. cd /etcln -s /usr/share/zoneinfo/US/Pacific localtime
- C. cd /usr/localln -s /usr/share/zoneinfo/US/Pacific zoneinfo
- D. cd /usr/share/localln -s /usr/share/zoneinfo/US/Pacific localectl
Answer: B
NEW QUESTION 128
A Linux administrator opens a ticket to have an external hard drive mounted. As a security policy, external storage kernel modules are disabled.
Which of the following is the BEST command for adding the proper kernel module to enable external storage modules?
- A. modinfo /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-storage.ko
- B. depmod /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-storage.ko
- C. rmmod /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-storage.ko
- D. insmod /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-storage.ko
Answer: D
NEW QUESTION 129
A Linux administrator is updating iptables rules and is given the following tasks:
* Output a list of iptables rules.
* Remove all iptables rules.
Which of the following actions should be performed from the terminal console to accomplish these tasks?
(Choose two.)
- A. iptables -I
- B. iptables -A
- C. iptables -N
- D. iptables -C
- E. iptables -L
- F. iptables -F
Answer: E,F
Explanation:
Reference:
https://www.digitalocean.com/community/tutorials/how-to-list-and-delete-iptables-firewall-rules
NEW QUESTION 130
A Linux administrator opens a ticket to have an external hard drive mounted. As a security policy, external storage kernel modules are disabled.
Which of the following is the BEST command for adding the proper kernel module to enable external storage modules?
rmmod /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-storage.ko
- A. storage.ko
- B. storage.ko
insmod /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb- - C. modinfo /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-
- D. storage.ko
depmod /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-
Answer: A
Explanation:
Explanation/Reference: https://www.cyberciti.biz/faq/linux-how-to-load-a-kernel-module-automatically-at-boot-time/
NEW QUESTION 131
Ann, a junior Linux administrator, needs to copy software from her local machine to assist in developing a software application on a remote machine with the IP address 192.168.3.22. The file needs to be placed on the /tmp directory. After downloading the RPM to the local machine, which of the following commands would be BEST to use to copy the software?
- A. wget [email protected]:/tmp -f ~/software.rpm
- B. scp [email protected] ~/software.rpm :/tmp
- C. scp ~/software.rpm [email protected]:/tmp
- D. scp ~/software.rpm [email protected]: /tmp
Answer: A
Explanation:
Reference:
https://linuxize.com/post/wget-command-examples/
NEW QUESTION 132
A user is reporting unusual slowness when trying to transfer a large file to an NFS server from a workstation.
The administrator runs tracepath and gets the following output:
Which of the following BEST describes the issue and a possible solution?
- A. There are dropped packets at an intermediate router. Work with the network team to correct the issue.
- B. There is latency at the storage device. Work with the storage team to correct the issue.
- C. There is latency on an intermediate router. Increase the path MTU to compensate.
- D. The path MTU is lower than the source MTU. Reduce the source MTU setting.
Answer: D
NEW QUESTION 133
An administrator needs to create a shared directory in which all users are able to read, write, and execute its content but none of the regular users are able to delete any content.
Which of the following permissions should be applied to this shared directory?
- A. rwxrwxrw*
- B. rwxrwxrwt
- C. rwxrwxrws
- D. rwxrwxrwx
Answer: B
NEW QUESTION 134
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. Option D
- B. Option B
- C. Option A
- D. Option C
Answer: A
NEW QUESTION 135
A Linux administrator retrieved a repository of files from a Git server using git clone. The administrator wants to see if a configuration file was added to the repository. Which of the following Git arguments should be used to see the recent modifications?
- A. init
- B. pull
- C. log
- D. fetch
Answer: B
NEW QUESTION 136
A user requested a USB serial device to be added to a desktop computer. The device has built-in kernel driver support. The administrator tested the device installation and access, but the user cannot access the serial port.
Each time the user attempts to access the device, an error log is created that shows the user does not have permission to use the serial port. Which of the following will add a user to the group that has serial port capabilities?
- A. usermod -a -G root $USER
- B. usermod -a -G serialport $USER
- C. usermod -a -G dialout $USER
- D. usermod -a -G modem $USER
Answer: C
NEW QUESTION 137
Ann, a junior systems administrator, is required to add a line to the /etc/yum.conffile. However, she receives the following error message when she tries to add the line:
Ann performs some diagnostics to attempt to find the root cause:
Which of the following commands should Ann execute to write content to /etc/yum?
- A. chmod 755 /etc/yum.conf
- B. chattr -I /etc/yum.conf
- C. setfacl -m m:rw /etc/yum.conf
- D. setenforce 0
Answer: A
NEW QUESTION 138
A systems administrator is configuring options on a newly installed Linux VM that will be deployed to the Pacific time zone. Which of the following sets of commands should the administrator execute to accurately configure the correct time settings?
cd /etc
- A. ln -s /usr/share/zoneinfo/US/Pacific localtime
cd /usr/share/local - B. ln -s /usr/share/zoneinfo/US/Pacific zoneinfo
cd /etc/local - C. ln -s /usr/share/zoneinfo/US/Pacific localectl
- D. ln -s /usr/share/zoneinfo/US/Pacific localtime
cd /usr/local
Answer: D
NEW QUESTION 139
A Linux storage administrator wants to create a logical volume group. Which of the following commands is required to start the process?
- A. pvcreate
- B. lvcreate
- C. vgcreate
- D. mkfs.xfs
Answer: C
Explanation:
Explanation/Reference: https://www.thegeekstuff.com/2010/08/how-to-create-lvm/
NEW QUESTION 140
A technician wants to secure a sensitive workstation by ensuring network traffic is kept within the local subnet.
To accomplish this task, the technician executes the following command:
echo 0 > /proc/sys/net/ipv4/ip_default_ttl
Which of the following commands can the technician use to confirm the expected results? (Choose two.)
- A. tcpdump
- B. iperf
- C. ip
- D. traceroute
- E. route
- F. arp
Answer: E,F
NEW QUESTION 141
A system administrator has set up third-party log aggregation agents across several cloud instances. The systems administrator wants to create a dashboard of failed SSH attempts and the usernames used.
Which of the following files should be watched by the agents?
- A. /etc/rsyslog.conf
- B. /var/log/monitor
- C. /var/log/audit/audit.log
- D. /var/log/kern.log
Answer: A
NEW QUESTION 142
A systems administrator receives a report that the web server is not running after a planned system reboot.
After starting the web server manually, which of the following commands should the administrator issue to ensure the web server starts at boot time?
- A. systemctl service on
- B. systemctl service enable
- C. systemctl on <name>.service
- D. systemctl enable <name>.service
Answer: D
NEW QUESTION 143
......
What Does XK0-004 Entail?
Passing the CompTIA XK0-004 test grants you the aforementioned CompTIA Linux+ certification, which will help you start a career as a Linux system administrator. It is among the most sought-after certificates currently offered by the vendor that validates your skills in monitoring, supporting, and configuring servers running on Linux OS. The CompTIA XK0-004 exam has a few prerequisites that you have to fulfill to be eligible for this certification. This includes the A+ or the Network+ certification and at least 9-12 months of experience administrating Linux. Also, this certification test covers a variety of topics like Systems Operation as well as Maintenance and Linux Diagnostics & Troubleshooting. In addition, you will need to possess a solid knowledge of System and Hardware Configuration, Automation alongside Scripting, and finally, Security. All in all, XK0-004 is 90 minutes long and consists of up to 90 questions. Answering so many questions in such a short time is not an easy task, so you will need to become an effective time manager. The questions can be of various types, such as fill-in-the-blank, multiple-choice, multiple-response, or performance-based. The passing score is 720 points, which should be your target when taking this test. As of now, the exam is available in the English language. A few other languages that include Spanish, Portuguese, and Japanese are coming soon. You should also know that XK0-004 test costs $329 and you need to apply for it on the Pearson VUE platform.
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