XK0-004 | A Review Of Validated XK0-004 Free Dumps

NEW QUESTION 1
A systems administrator needs to install a new piece of hardware that requires a new driver. The driver should be manually installed. Which of the following describes the order of commands required to obtain module information, install the module, and check the log for any errors during module installation?

• A. lsmod, modprobe, modinfo
• B. modinfo, insmod, modprobe
• C. modinfo, insmod, dmesg
• D. lsmod, insmod, dmesg

Answer: A

NEW QUESTION 2
A member of the production group issues the following command:
echo "Monday through Friday" > /production_docs/days
The command fails to execute, so the user obtains the following output: drwxr--r-- root production 0 Jun 16 2018 production
-rw-r--r-- production production 4096 Jun 14 2018 days
Which of the following commands should the user execute to BEST fix the issue?

• A. chmod g+w production to change the permissions of the days file
• B. chgrp root production_docs/days to change the group ownership of the production_docs/ days file
• C. chmod g+S production to set the GUID on the production_docs directory
• D. chown production to change the ownership of the production_docs directory

Answer: D

NEW QUESTION 3
Which of the following are Linux desktop managers? (Choose two.)

• A. KDE
• B. GNOME
• C. GUI
• D. VNC
• E. X11
• F. SPICE

Answer: AB

NEW QUESTION 4
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 5
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 6
The lead Linux has added a disk, /dev/sdd, to a VM that is running out of disk space. Place the following steps in the correct order from first (1) to last (4) to add the disk to the existing LVM.

• A. Yes
• B. Not Mastered

Answer: A

NEW QUESTION 7
A Linux administrator wants to fetch a Git repository from a remote Git server. Which of the following is the BEST command to perform this task?

• A. git checkout
• B. git clone
• C. git merge
• D. git config

Answer: B

NEW QUESTION 8
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 9
A Linux administrator wants to obtain a list of files and subdirectories in the /etc directory that contain the word “services”. Once the files and subdirectories are discovered, they should be listed alphabetically in the /var/tmp/foundservices file. Which of the following shell scripts will accomplish this task?

• A. #/bin/bashfind /etc –name services | sort > /var/tmp/foundservices
• B. #/bin/bashlocate /etc –sort –name services > /var/tmp/foundservices
• C. #/bin/bashfind –name services –sort </var/tmp/foundservices
• D. #/bin/bashfind /etc –name services –sort > /var/tmp/foundservices

Answer: B

NEW QUESTION 10
Which of the following is a difference between YAML and JSON?

• A. Users can comment in YAML but not in JSON
• B. JSON only curly brackets, while YAML only uses square brackets
• C. JSON is used in web development, while YAML is used solely in back-end systems.
• D. YAML has been deprecated for JSON.

Answer: A

NEW QUESTION 11
An administrator is attempting to block SSH connections to 192.168.10.24 using the Linux firewall. After implementing a rule, a connection refused error is displayed when attempting to SSH to 192.168.10.24.
Which of the following rules was MOST likely implemented?

• A. iptables –A –p tcp –d 192.168.10.24 –dropt 22 –j REJECT
• B. iptables –A –p tcp –d 192.168.10.24 –dropt 22 –j DROP
• C. iptables –A –p tcp –d 192.168.10.24 –dropt 22 –j FORWARD
• D. iptables –A –p tcp –d 192.168.10.24 –dropt 22 –j REFUSE

Answer: A

NEW QUESTION 12
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 13
A Linux systems administrator wants the ability to access systems remotely over SSH using RSA authentication. to which of the following files should the RSA token be added to allow this access?

• A. authorized_keys
• B. ~/.ssh/ssh_config
• C. id_rsa.pub
• D. known_hosts

Answer: C

NEW QUESTION 14
A Linux administrator implemented a new HTTP server using the default configuration. None of the users on the network can access the server. If there is no problem on the network or with the users’ workstations, which of the following steps will BEST analyze and resolve the issue?

• A. Run netstat to ensure the port is correctly bound, and configure the firewall to allow access on ports 80 and 443
• B. Run route to ensure the port is correctly bound, and configure the firewall to allow access on ports 80 and 443
• C. Run netcat to ensure the port is correctly bound, and configure a static route to the web to allow access on ports 80 and 443
• D. Run route to ensure the port is correctly bound, and configure SELinux to allow access on ports 80 and 443

Answer: C

NEW QUESTION 15
Which of the following is the template for the grub.cfg file?

• A. /etc/default/grub
• B. /etc/grub2.cfg
• C. /etc/sysct1.conf
• D. /boot/efi

Answer: A

NEW QUESTION 16
A junior Linux administrator is trying to verify connectivity to the remote host host1 and display round-trip statistics for ten ICMP.
Which of the following commands should the administrator execute?

• A. ping –c 10 host1
• B. traceroute –c 10 host1
• C. netstat host1
• D. pathping –c 10 host1

Answer: A

NEW QUESTION 17
Given that a company’s policy states that users cannot install third-party tools on Window servers, which of the following protocols will allow a Linux GUI to connect to a Windows server?

• A. VNC
• B. NX
• C. RDP
• D. X11

Answer: A

NEW QUESTION 18
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