XK0-005問題集、CompTIA実際の試験問題

質問 1

A Linux systems administrator is working to obtain the installed kernel version of several hundred systems. Which of the following utilities should the administrator use for this task?

A. Bash

B. Ansible

C. Docker

D. Git

正解: B

解説: (PassTest メンバーにのみ表示されます)

質問 2

A systems administrator wants to deploy several applications to the same server quickly. Each application should be abstracted from the host with its own dependencies and libraries and utilize a minimal footprint.
Which of the following would be BEST in this scenario?

A. Chroot jails

B. Containers

C. Virtual machines

D. Type 2 hypervisor

正解: B

質問 3

Which of the following is the MOST common method used to access Windows systems that are running in a cloud provider from a Linux system?

A. NX

B. XRDP

C. VNC

D. SSH

正解: B

質問 4

A systems administrator is customizing a new Linux server. Which of the following settings for umask would ensure that new files have the default permissions of -rw-r--r--?

A. 0027

B. 0640

C. 0038

D. 0017

正解: A

解説: (PassTest メンバーにのみ表示されます)

質問 5

A Linux administrator looks at the /etc/timezone file and determines the need to change the time zone from California to New York temporarily.
Which of the following commands will accomplish this?

A. sed -f TZ=America/New_York

B. cat TZ=America/New_York

C. export TZ=America/New_York

D. printf TZ=America/New_York

正解: C

解説: (PassTest メンバーにのみ表示されます)

質問 6

A systems engineer scheduled an atjob that will reboot a critical server. A developer states the processes will not complete for another three hours.
Which of the following will help the systems engineer to remove the job?

A. atq
atrm <at job number>

B. at -q
atrm <PID>

C. at -q
atrm <at job number>

D. atq
atrm <PID>

正解: A

解説: (PassTest メンバーにのみ表示されます)

質問 7

A Linux administrator is configuring a two-node cluster and needs to be able to connect the nodes to each other using SSH keys from the root account. Which of the following commands will accomplish this task?

A. [root@nodea ~]# ssh-agent -c ~/.ssh/id_rsa root@nodeb

B. [root@nodea ~]# scp -i ~/.ssh/id_rsa root@nodeb

C. [root@nodea ~]# ssh -i ~/.ssh/id_rsa root@nodeb

D. [root@nodea ~]# ssh-add -c ~/.ssh/id_rsa root@nodeb

E. [root@nodea ~]# ssh-copy-id -i ~/.ssh/id_rsa root@nodeb

正解: E

解説: (PassTest メンバーにのみ表示されます)

質問 8

A Linux administrator was informed that the server time zone is incorrect. Which of the following commands should the administrator use to correct the time zone?

A. systemd-timezone set Asia/Tokyo

B. tzconfig configure Europe/London

C. systemctl configure-timezone Africa/Nairobi

D. timedatectl set-timezone America/New_York

正解: D

解説: (PassTest メンバーにのみ表示されます)

質問 9

Which of the following statements is correct when talking about /proc/?

A. All changes to files in /proc/ are stored in /etc/proc.d/ and restored on reboot.

B. All files within /proc/ are only readable by the root user.

C. All files within /proc/ are read-only and their contents cannot be changed.

D. All changes to files in /proc/ are immediately recognized by the kernel.

正解: D

質問 10

A Linux administrator needs to check extended permissions applied to the directory test. Which of the following commands should the administrator use to help with this task?

A. ls -al test/

B. getfacl test/

C. getsebool test/

D. getenforce test/

正解: B

解説: (PassTest メンバーにのみ表示されます)

質問 11

Which of the following command sequences is used to install Linux software directly from source code?

A. ./unpack make exec make copy

B. unzip gcc install

C. ./config ./compile ./copy

D. ./configure make make install

正解: D

質問 12

A systems administrator manually added a new library to the server. The administrator wants to rebuild the library cache for immediate use.
Which of the following commands should the systems administrator run to achieve this goal?

A. ldconfig

B. ldd

C. make install

D. make

正解: A

解説: (PassTest メンバーにのみ表示されます)

質問 13

A user is cleaning up a directory because it has more than 100,000 files that were generated from an experiment. When the user tries to remove the unneeded experiment files, the user receives an error:
arduino
cannot execute [Argument list too long]
Which of the following should the user execute to remove these files?

A. rm -rf experiment*.txt

B. for i in experiment*.txt; do find . -name $i -exec rmdir "{}" ; done

C. find . -name "experiment*.txt" -exec rm "{}" ;

D. rm --force experiment*.txt

正解: C

解説: (PassTest メンバーにのみ表示されます)

質問 14

An administrator is reviewing updates in the master online Git repository and notices a file named . The file contains passwords and should only be in the administrator's local repository, not the .htaccess online one. Which of the following would prevent this file from appearing online in the future?

A. echo ".htaccess" >> .gitignore

B. sed -i 's/#Preserve Hidden=True/Preserve Hidden=True/g' .git/config

C. git commit -m "File Update" -x .htaccess

D. chown nobody:nodoby .htaccess

正解: A

CompTIA Linux+ Certification - XK0-005 模擬練習