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Home CompTIA XK0-005

CompTIA XK0-005 Exam Practice Questions (P. 5)

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Question #41
A Linux administrator is troubleshooting the root cause of a high CPU load and average.

Which of the following commands will permanently resolve the issue?
  1. A
    renice -n -20 6295
  2. B
    pstree -p 6295
  3. C
    iostat -cy 1 5
  4. D
    kill -9 6295

Correct Answer:
A

Question #42
A Linux administrator wants to set the SUID of a file named dev_team.text with 744 access rights. Which of the following commands will achieve this goal?
  1. A
    chmod 4744 dev_team.txt
  2. B
    chmod 744 --setuid dev_team.txt
  3. C
    chmod -c 744 dev_team.txt
  4. D
    chmod -v 4744 --suid dev_team.txt

Correct Answer:
A

Question #43
A developer has been unable to remove a particular data folder that a team no longer uses. The developer escalated the issue to the systems administrator. The following output was received:

Which of the following commands can be used to resolve this issue?
  1. A
    chgrp -R 755 data/
  2. B
    chmod -R 777 data/
  3. C
    chattr -R -i data/
  4. D
    chown -R data/

Correct Answer:
C

Question #44
A Linux administrator needs to ensure that Java 7 and Java 8 are both locally available for developers to use when deploying containers. Currently only Java 8 is available. Which of the following commands should the administrator run to ensure both versions are available?
  1. A
    docker image load java:7
  2. B
    docker image pull java:7
  3. C
    docker image import java:7
  4. D
    docker image build java:7

Correct Answer:
B

Question #45
A cloud engineer is installing packages during VM provisioning. Which of the following should the engineer use to accomplish this task?
  1. A
    Cloud-init
  2. B
    Bash
  3. C
    Docker
  4. D
    Sidecar

Correct Answer:
A

Question #46
A systems administrator is tasked with creating a cloud-based server with a public IP address.
The code is as follows:

Which of the following technologies did the systems administrator use to complete this task?
  1. A
    Puppet
  2. B
    Git
  3. C
    Ansible
  4. D
    Terraform

Correct Answer:
D

Question #47
A Linux systems administrator is setting up a new web server and getting 404 - NOT FOUND errors while trying to access the web server pages from the browser. While working on the diagnosis of this issue, the Linux systems administrator executes the following commands:

Which of the following commands will BEST resolve this issue?
  1. A
    sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
  2. B
    restorecon -R -v /var/www/html
  3. C
    setenforce 0
  4. D
    setsebool -P httpd_can_network_connect_db on

Correct Answer:
B

Question #48
To harden one of the servers, an administrator needs to remove the possibility of remote administrative login via the SSH service. Which of the following should the administrator do?
  1. A
    Add the line DenyUsers root to the /etc/hosts.deny file.
  2. B
    Set PermitRootLogin to no in the /etc/ssh/sshd_config file.
  3. C
    Add the line account required pam_nologin. so to the /etc/pam.d/sshd file.
  4. D
    Set PubKeyAuthentication to no in the /etc/ssh/ssh_config file.

Correct Answer:
B

Question #49
Which of the following is a function of a bootloader?
  1. A
    It initializes all the devices that are required to load the OS.
  2. B
    It mounts the root filesystem that is required to load the OS.
  3. C
    It helps to load the different kernels to initiate the OS startup process.
  4. D
    It triggers the start of all the system services.

Correct Answer:
A

Question #50
A systems administrator configured firewall rules using firewalld. However, after the system is rebooted, the firewall rules are not present:

The systems administrator makes additional checks:

Which of the following is the reason the firewall rules are not active?
  1. A
    iptables is conflicting with firewalld.
  2. B
    The wrong system target is activated.
  3. C
    FIREWALL_ARGS has no value assigned.
  4. D
    The firewalld service is not enabled.

Correct Answer:
D

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