A systems administrator requires that all files that are created by the user named web have read-only permissions by the owner. Which of the following commands will satisfy this requirement?

echo "umask 377" >> /home/web/.bashrc

A Linux administrator is troubleshooting an issue in which an application service failed to start on a Linux server. The administrator runs a few commands and gets the following outputs: Based on the above outputs, which of the following is the MOST likely action the administrator should take to resolve this issue?

Increase the TimeoutStartUSec configuration for the logsearch.sevice.

Enable the logsearch.service and restart the service.

Increase the TimeoutStartUSec configuration for the logsearch.sevice.

Update the OnCalendar configuration to schedule the start of the logsearch.service.

Update the KillSignal configuration for the logsearch.service to use TERM.

An administrator is trying to diagnose a performance issue and is reviewing the following output: System Properties:CPU: 4 vCPU Memory: 40GB Disk maximum IOPS: 690 Disk maximum throughput: 44Mbps | 44000Kbps Based on the above output, which of the following BEST describes the root cause?

The system has reached its maximum permitted throughput, therefore iowait is increasing.

The system has reached its maximum IOPS, causing the system to be slow.

The system has reached its maximum permitted throughput, therefore iowait is increasing.

The system is mostly idle, therefore the iowait is high.

The system has a partitioned disk, which causes the IOPS to be doubled.

A systems administrator wants to test the route between IP address 10.0.2.15 and IP address 192.168.1.40. Which of the following commands will accomplish this task?

ip route get 192.163.1.40 from 10.0.2.15

route -e get to 192.168.1.40 from 10.0.2.15

ip route get 192.163.1.40 from 10.0.2.15

ip route 192.169.1.40 to 10.0.2.15

route -n 192.168.1.40 from 10.0.2.15

A Linux administrator was tasked with deleting all files and directories with names that are contained in the sobelete.txt file. Which of the following commands will accomplish this task?

cat toDelete.txt | xargs rm -rf

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?

chmod 744 --setuid dev_team.txt

chmod -v 4744 --suid dev_team.txt

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?

sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config

setsebool -P httpd_can_network_connect_db on

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?

Set PermitRootLogin to no in the /etc/ssh/sshd_config file.

Add the line DenyUsers root to the /etc/hosts.deny file.

Set PermitRootLogin to no in the /etc/ssh/sshd_config file.

Add the line account required pam_nologin. so to the /etc/pam.d/sshd file.

Set PubKeyAuthentication to no in the /etc/ssh/ssh_config file.

Which of the following is a function of a bootloader?

It helps to load the different kernels to initiate the OS startup process.

It initializes all the devices that are required to load the OS.

It mounts the root filesystem that is required to load the OS.

It helps to load the different kernels to initiate the OS startup process.

It triggers the start of all the system services.

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?

The firewalld service is not enabled.

iptables is conflicting with firewalld.

The wrong system target is activated.

FIREWALL_ARGS has no value assigned.

The firewalld service is not enabled.

A systems administrator installed a new software program on a Linux server. When the systems administrator tries to run the program, the following message appears on the screen. Which of the following commands will allow the systems administrator to check whether the system supports virtualization?

cat /sys/device/system/cpu/possible

A Linux administrator created the directory /project/access2all. By creating this directory, the administrator is trying to avoid the deletion or modification of files from non-owners. Which of the following will accomplish this goal?

chmod ugo+rwx /project/access2all

A Linux systems administrator needs to persistently enable IPv4 forwarding in one of the Linux systems. Which of the following commands can be used together to accomplish this task? (Choose two.)

sysctl -w net.ipv4.ip_forward=1

echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf

echo 1 > /proc/sys/net/ipv4/ip_forward

echo "net.ipv6.conf.all.forwarding=l" >> /etc/sysctl.conf

Due to low disk space, a Linux administrator finding and removing all log files that were modified more than 180 days ago. Which of the following commands will accomplish this task?

find /var/log -type f -mtime +180 -exec rm {} \

find /var/log -type d -mtime +180 -print -exec rm {} \;

find /var/log -type f -modified +180 -rm

find /var/log -type f -mtime +180 -exec rm {} \

find /var/log -type c -atime +180 -remove

A junior administrator is trying to set up a passwordless SSH connection to one of the servers. The administrator follows the instructions and puts the key in the authorized_key file at the server, but the administrator is still asked to provide a password during the connection.Given the following output: Which of the following commands would resolve the issue and allow an SSH connection to be established without a password?

mv .ssh/authorized_key .ssh/authorized_keys

restorecon -rv .ssh/authorized_key

mv .ssh/authorized_key .ssh/authorized_keys

chmod 600 mv .ssh/authorized_key

A Linux administrator needs to resolve a service that has failed to start. The administrator runs the following command: The following output is returned Which of the following is MOST likely the issue?

The service does not have permissions to read write the startupfile.

The service startupfile size cannot be 81k.

The service startupfile cannot be owned by root.

The service startupfile should not be owned by the root group.

A Linux administrator booted up the server and was presented with a non-GUI terminal. The administrator ran the command systemctl isolate graphical.target and rebooted the system by running systemctl reboot, which fixed the issue. However, the next day the administrator was presented again with a non-GUI terminal. Which of the following is the issue?

The administrator did not set the default target to graphical.target.

The administrator did not reboot the server properly.

The administrator did not set the default target to basic.target.

The administrator did not set the default target to graphical.target.

The administrator did not shut down the server properly.

Users report that connections to a MariaDB service are being closed unexpectedly. A systems administrator troubleshoots the issue and finds the following message in /var/log/messages: Which of the following is causing the connection issue?

The server is running out of file descriptors.

The process mysqld is using too many semaphores.

The server is running out of file descriptors.

Something is starving the server resources.

The amount of RAM allocated to the server is too high.

A systems administrator is implementing a new service task with systems at startup and needs to execute a script entitled test.sh with the following content: The administrator tries to run the script after making it executable with chmod +x; however, the script will not run. Which of the following should the administrator do to address this issue? (Choose two.)

Create a unit file for the new service in /etc/systemd/system/ with the name helpme.service in the location.

Add #!//bin/bash to the top of the script.

Add #!/bin/bash to the bottom of the script.

Create a unit file for the new service in /etc/systemd/system/ with the name helpme.service in the location.

Add #!//bin/bash to the top of the script.

Restart the computer to enable the new service.

Create a unit file for the new service in /etc/init.d with the name helpme.service in the location.

Shut down the computer to enable the new service.

CompTIA XK0-005 Practice Test 2 - Free Online Exam Prep & Questions

Question 1 / 40

A Linux administrator is tasked with creating resources using containerization. When deciding how to create this type of deployment, the administrator identifies some key features, including portability, high availability, and scalability in production. Which of the following should the Linux administrator choose for the new design?

Docker

On-premises systems

Cloud-based systems

Kubernetes

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