IT認証試験問題集
毎月、ITshikenは1500人以上の受験者が試験準備を助けて、試験に合格するために受験者にご協力します
 ホームページ / XK0-004 問題集  / XK0-004 問題練習

CompTIA XK0-004 問題練習

CompTIA Linux+ Certification Exam 試験

最新更新時間: 2021/01/08,合計40問。

2021新年のギフト:XK0-004 最新真題を買う時、日本語版と英語版両方を同時に獲得できます。

実際の問題集を練習し、試験のポイントを了解し、テストに申し込むするかどうかを決めることができます。

さらに試験準備時間の35%を節約するには、XK0-004 問題集を使用してください。

 / 3

Question No : 1
A Linux administrator is testing connectivity to a remote host on a shared terminal. The administrator wants to allow other users to access the terminal while the command is executing.
Which of the following commands should the administrator use?

正解:

Question No : 2
A networked has been crashing intermittently. A Linux administrator would like to write a shell script that will attempt to ping the server and email an alert if the server fails to respond. The script will later be scheduled via cron job.
Which of the following scripts would BEST accomplish this task?
A)



B)



C)



D)



正解:

Question No : 3
Which of the following BEST describes containers running on a Linux system?

正解:
Explanation:
Reference: https://www.linuxjournal.com/content/everything-you-need-know-about-linux-containers-part-ii­working-linux-containers-lxc

Question No : 4
A Linux administrator needs to remotely update the contents of the www.comptia.org/contacts URL.
Which of the following commands would allow the administrator to download the current contents of the URL before updating?

正解:
Explanation:
Reference: https://www.thegeekstuff.com/2012/04/curl-examples/

Question No : 5
A systems administrator needs to append output of ls Clha /optcommand to the contents of a test.txt file.
Which of the following commands will accomplish this?

正解:
Explanation:
Reference: https://www.cyberciti.biz/faq/linux-append-text-to-end-of-file/

Question No : 6
A Linux server has multiple IPs. A Linux administrator needs to verify if the HTTP server port is bound to the correct IP.
Which of the following commands would BEST accomplish this task?

正解:
Explanation:
Reference: https://www.tecmint.com/find-listening-ports-linux/

Question No : 7
A Linux administrator must identify a user with high disk usage.
The administrator runs the # du Cs /home/*command and gets the following output:



Based on the output, User3 has the largest amount of disk space used.
To clean up the file space, the administrator needs to find out more information about the specific files that are using the most disk space.
Which of the following commands will accomplish this task?

正解:
Explanation:
Reference: https://unix.stackexchange.com/questions/37221/finding-files-that-use-the-most-disk-space

Question No : 8
CTRL-C

正解: D

Question No : 9
Which of the following can be used to boot a DVD from a remote device to initialize a Linux system setup on bare metal hardware as if it is a local DVD?

正解:
Explanation:
Reference: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/installation_guide/ch-boot-x86

Question No : 10
An administrator receives a warning about a filesystem filling up, and then identifies a large file located at /tmp/largelogfile. The administrator deletes the file, but no space is recovered on the filesystem.
Which of the following commands would BEST assists the administrator in identifying the problem?

正解:
Explanation:
Reference: https://access.redhat.com/solutions/2316

Question No : 11
DRAG DROP
The lead Linux admin has added a disk, /dev/sdd, to a VM that is running out of disk space.
Place the following steps in the correct order from first (1) to last (4) to add the disk to the existing LVM.



正解:


Explanation:
Reference: https://www.rootusers.com/how-to-increase-the-size-of-a-linux-lvm-by-expanding-the-virtual­machine-disk/

Question No : 12
SIMULATION
A junior system administrator had trouble installing and running an Apache web server on a Linux server. You have been tasked with installing the Apache web server on the Linux server and resolving the issue that prevented the junior administrator from running Apache.

INSTRUCTIONS
Install Apache and start the service. Verify that the Apache service is running with the defaults. Typing “help” in the terminal will show a list of relevant commands.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

CentOS Command Prompt



正解:




Question No : 13
Which of the following is the BEST reason for not storing database files in the /var directory?

正解:

Question No : 14
A technical support engineer receives a ticket from a user who is trying to create a 1KB file in the /tmpdirectory and is getting the following error: No space left on device. The support engineer checks the /tmp directory, and it has 20GB of free space.
Which of the following BEST describes a possible cause for this error?

正解:
Explanation:
Reference: https://www.maketecheasier.com/fix-linux-no-space-left-on-device-error/

Question No : 15
Which of the following would be the BEST solution for a systems administrator to access the graphical user environment of a Linux machine remotely?

正解:
Explanation:
Reference: https://www.sfu.ca/computing/about/support/tips/remote-to-linux-with-gui.html

 / 3