[2023年04月11日] XK0-005テストエンジンお試しセット、XK0-005問題集PDF
最新のCompTIA XK0-005のPDFと問題集で(2023)無料試験問題解答
CompTIA XK0-005 認定は、Linux システム管理者にとって貴重な資格です。この認定は、Linux システム管理者に必要なスキルと知識を検証し、世界中の業界専門家に認められています。この認定には、求人の見通しが良くなる、給与が上がる、キャリアアップができるなどの多くの利点があります。この認定を取得することで、Linux システム管理者は、雇用主、クライアント、同僚に自分のスキルと知識を証明できます。
質問 # 81
A systems administrator is deploying three identical, cloud-based servers. The administrator is using the following code to complete the task:
Which of the following technologies is the administrator using?
- A. Ansible
- B. Terraform
- C. Chef
- D. Puppet
正解:B
質問 # 82
A Linux administrator copied a Git repository locally, created a feature branch, and committed some changes to the feature branch. Which of the following Git actions should the Linux administrator use to publish the changes to the main branch of the remote repository?
- A. push
- B. rebase
- C. tag
- D. commit
正解:D
質問 # 83
As a Systems Administrator, to reduce disk space, you were tasked to create a shell script that does the following:
Add relevant content to /tmp/script.sh, so that it finds and compresses rotated files in /var/log without recursion.
INSTRUCTIONS
Fill the blanks to build a script that performs the actual compression of rotated log files.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
正解:
解説:
質問 # 84
As a Systems Administrator, to reduce disk space, you were tasked to create a shell script that does the following:
Add relevant content to /tmp/script.sh, so that it finds and compresses rotated files in /var/log without recursion.
INSTRUCTIONS
Fill the blanks to build a script that performs the actual compression of rotated log files.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
正解:
解説:
質問 # 85
Which of the following tools is commonly used for creating CI/CD pipelines?
- A. Ansible
- B. Chef
- C. Jenkins
- D. Puppet
正解:C
質問 # 86
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?
- A. chown root:root .ssh/authorized_keys
- B. ssh_keygen -t rsa -o .ssh/authorized_keys
- C. chmod 600 .ssh/authorized_keys
- D. restorecon .ssh/authorized_keys
正解:D
質問 # 87
A developer is trying to install an application remotely that requires a graphical interface for installation. The developer requested assistance to set up the necessary environment variables along with X11 forwarding in SSH. Which of the following environment variables must be set in remote shell in order to launch the graphical interface?
- A. SETENV
- B. $SHELL
- C. $RHOST
- D. $DISPLAY
正解:D
質問 # 88
A Linux administrator would like to use systemd to schedule a job to run every two hours. The administrator creates timer and service definitions and restarts the server to load these new configurations. After the restart, the administrator checks the log file and notices that the job is only running daily. Which of the following is MOST likely causing the issue?
- A. The checkdiskspace.service is not running.
- B. The OnCalendar schedule is incorrect in the timer definition.
- C. The checkdiskspace.service needs to be enabled.
- D. The system-daemon services need to be reloaded.
正解:D
質問 # 89
A Linux systems administrator receives a notification that one of the server's filesystems is full. Which of the following commands would help the administrator to identify this filesystem?
- A. du -ah
- B. fdisk
- C. lsblk
- D. df -h
正解:D
質問 # 90
Which of the following enables administrators to configure and enforce MFA on a Linux system?
- A. SELinux
- B. Kerberos
- C. PAM
- D. PKI
正解:B
質問 # 91
A Linux administrator has been tasked with installing the most recent versions of packages on a RPM-based OS. Which of the following commands will accomplish this task?
- A. dnf update
- B. yum check-update
- C. rpm -a
- D. apt-get upgrade
- E. yum updateinfo
正解:A
質問 # 92
An administrator installed an application from source into /opt/operations1/ and has received numerous reports that users are not able to access the application without having to use the full path /opt/operations1/bin/*. Which of the following commands should be used to resolve this issue?
- A. echo 'export PATH=/opt/operations1/bin' >> /etc/profile
- B. echo 'export PATH=$PATH:/opt/operations1/bin' >> /etc/profile
- C. echo 'export PATH=$PATH/opt/operations1/bin' >> /etc/profile
- D. echo 'export $PATH:/opt/operations1/bin' >> /etc/profile
正解:B
質問 # 93
Joe, a user, is unable to log in to the Linux system Given the following output:
Which of the following command would resolve the issue?
- A. chage -E 90 joe
- B. pam_tally2 -u joe -r
- C. passwd -u joe
- D. usermod -s /bin/bash joe
正解:D
質問 # 94
Rugged appliances are small appliances with ruggedized hardware and like Quantum Spark appliance they use which operating system?
- A. Gaia embedded
- B. Centos Linux
- C. Gaia
- D. Red Hat Enterprise Linux version 5
正解:A
質問 # 95
A Linux engineer has been notified about the possible deletion of logs from the file /opt/app/logs. The engineer needs to ensure the log file can only be written into without removing previous entries.
Which of the following commands would be BEST to use to accomplish this task?
- A. chattr +a /opt/app/logs
- B. chattr +d /opt/app/logs
- C. chattr +c /opt/app/logs
- D. chattr +i /opt/app/logs
正解:A
質問 # 96
A systems administrator is tasked with mounting a USB drive on a system. The USB drive has a single partition, and it has been mapped by the system to the device /dev/sdb. Which of the following commands will mount the USB to /media/usb?
- A. mount /dev/sdb0 /media/usb
- B. mount -t usb /dev/sdb1 /media/usb
- C. mount /dev/sdb /media/usb
- D. mount /dev/sdb1 /media/usb
正解:D
質問 # 97
A Linux administrator was asked to run a container with the httpd server inside. This container should be exposed at port 443 of a Linux host machine while it internally listens on port 8443. Which of the following commands will accomplish this task?
- A. podman run -d -p 443:8443 httpd
- B. podman run -d -e 443:8443 httpd
- C. podman exec -p 8443:443 httpd
- D. podman run -d -p 8443:443 httpd
正解:A
質問 # 98
Which of the following data structures is written in JSON?
A)
B)
C)
D)
- A. Option A
- B. Option D
- C. Option B
- D. Option C
正解:B
質問 # 99
Users have reported that the interactive sessions were lost on a Linux server. A Linux administrator verifies the server was switched to rescue.target mode for maintenance. Which of the following commands will restore the server to its usual target?
- A. systemctl emergency
- B. telinit 0
- C. systemctl reboot
- D. systemctl get-default
正解:C
質問 # 100
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?
- A. The system is mostly idle, therefore the iowait is high.
- B. The system has reached its maximum IOPS, causing the system to be slow.
- C. The system has reached its maximum permitted throughput, therefore iowait is increasing.
- D. The system has a partitioned disk, which causes the IOPS to be doubled.
正解:C
質問 # 101
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?
- A. Add the line account required pam_nologin. so to the /etc/pam.d/sshd file.
- B. Set PubKeyAuthentication to no in the /etc/ssh/ssh_config file.
- C. Set PermitRootLogin to no in the /etc/ssh/sshd_config file.
- D. Add the line DenyUsers root to the /etc/hosts.deny file.
正解:C
質問 # 102
A new file was added to a main Git repository. An administrator wants to synchronize a local copy with the contents of the main repository. Which of the following commands should the administrator use for this task?
- A. git status
- B. git push
- C. git reflog
- D. git pull
正解:D
質問 # 103
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