QUESTION 106
A systems administrator is tasked with changing the default shell of a system account in order to disable iterative logins. Which of the following is the best option for the administrator to use as the new shell?

QUESTION 107
Which of the following will prevent non-root SSH access to a Linux server?

QUESTION 108
An administrator needs to create a file named hello in the home directory that contains the following text:
it’s me!
Which of the following commands would accomplish this goal?

QUESTION 109
Which of the following technologies can be used as a central repository of Linux users and groups?

QUESTION 110
A technician suspects a company’s border firewall is down, thus blocking Internet access. The technician executes the following commands:
#ping -c 1 firewall.company.com
64 bytes from firewall.company.com (192.168.1.1): icmp_seq=1 ttl=64
time=0.061ms
#ping -c 16 www.comptia.com
16 packets transmitted, 0 received, 100% packet loss, time 14999ms
Which of the following commands should the technician use to BEST determine the source of this outage?

QUESTION 111
A Linux administrator was notified that a virtual server has an I/O bottleneck. The Linux administrator analyzes the following output:

Given there is a single CPU in the sever, which of the following is causing the slowness?

QUESTION 112
A Linux administrator found many containers in an exited state. Which of the following commands will allow the administrator to clean up the containers in an exited state?

QUESTION 113
A systems administrator checked out the code from the repository, created a new branch, made changes to the code, and then updated the main branch. The systems administrator wants to ensure that the Terraform state files do not appear in the main branch. Which of following should the administrator use to meet this requirement?

QUESTION 114
An administrator transferred a key for SSH authentication to a home directory on a remote server. The key file was moved to .ssh/authorized_keys location in order to establish SSH connection without a password.
However, the SSH command still asked for the password. Given the following output:

Which of the following commands would resolve the issue?

QUESTION 115
A Linux administrator needs to obtain a list of all volumes that are part of a volume group. Which of the following commands should the administrator use to accomplish this task?

QUESTION 116
Based on the given command:
find /home/user1 -type f -name “*.txt” -size +100M
Which of the following will the command accomplish?

QUESTION 117
An administrator needs to deploy 100 identical CentOS workstations via PXE boot. Which of the following should the administrator use to minimize the amount of interaction with the consoles needed?

QUESTION 118
An administrator receives a USB drive and wants to make an exact copy of the disk before starting to work on it. One of the partitions on the USB drive was mounted as /dev/sdc1.
Which of the following commands should the administrator use?

QUESTION 119
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?

QUESTION 120
When requesting SSH access to a remote system, a user accidentally emailed the id_rsa key to the administrator. Which of the following should the user do NEXT?

QUESTION 121
A systems administrator is investigating a service that is not starting up. Given the following information:
Which of the following systemd commands should the administrator use in order to obtain more details about the failing service?

QUESTION 122
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.)

QUESTION 123
A Linux administrator created a new file system. Which of the following files must be updated to ensure the filesystem mounts at boot time?

QUESTION 124
Which of the following files holds the system configuration for journal when running systemd?

QUESTION 125
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?

QUESTION 126
An issue was discovered on a testing branch of a Git repository. A file was inadvertently modified and needs to be reverted to the master branch version. Which of the following is the BEST option to resolve the issue?

QUESTION 127
A user receives the following message when attempting to log in to a Linux workstation with the account named “developer”:
This account is currently not available
A Linux administrator, who is working on the issue for the user, runs a few commands and receives the following output:
Output 1:
# grep -i developer /etc/passwd
developer:x:1000:1000:Dev User:/home/developer:/sbin/nologin
Output 2:
# faillock –user developer
developer:
When Type Source Valid
#
Output 3:
# passwd -S developer
developer PS 2022-03-09 0 99999 7 -l (Password set, unknown crypt
variant.)
Output 4:

Which of the following commands can the administrator use to resolve the login issue for the account named “developer”?

QUESTION 128
A Linux administrator needs to set the permissions on a server. The administrator wants to have the files within the directory set to read-write permissions and the directory set to read-write- execute permissions. Which of the following commands should the administrator use?

QUESTION 129
Due to performance issues on a server, a Linux administrator needs to termi-nate an unresponsive process.
Which of the following commands should the
administrator use to terminate the process immediately without waiting for a graceful shutdown?

QUESTION 130
A junior developer is unable to access an application server and receives the following output:

The systems administrator investigates the issue and receives the following output:

Which of the following commands will help unlock the account?