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XK0-005測試，保證壹次通過XK0-005考試材料，XK0-005：CompTIA Linux+ Certification Exam

從Google Drive中免費下載最新的Fast2test XK0-005 PDF版考試題庫：https://drive.google.com/open?id=1zby4_dCEDkuntWaAcun07GZAt-e6vaWz

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XK0-005 考試涵蓋一系列主題，包括系統架構、Linux 安裝和套件管理、文件系統和存儲管理、網絡配置、安全性和故障排除。該考試旨在評估候選人在 Linux 管理方面的實踐知識和技能，被雇主認為是 IT 專業人員的有價值認證。獲得 CompTIA Linux+ 認證可驗證候選人在 Linux 管理方面的技能和知識，並可帶來更好的工作機會和更高的薪酬水平。

CompTIA XK0-005考試包含90道題目，考試時間為90分鐘。該考試提供英文和日文兩種語言版本，可在全球的Pearson VUE測試中心參加。該考試包括選擇題和基於表現的問題，需要考生在模擬Linux環境中執行任務。

>> XK0-005測試 <<

最新XK0-005考證 & XK0-005考古題更新

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最新的 Linux+ XK0-005 免費考試真題 (Q510-Q515):

問題 #510
A systems administrator is compiling a report containing information about processes that are listening on the network ports of a Linux server. Which of the following commands will allow the administrator to obtain the needed information?

A. ss -pint
B. netstat -pn
C. tcpdump -nL
D. lsof -It

答案：B

問題 #511
A systems administrator creates a public key for authentication. Which of the following tools is most suitable to use when uploading the key to the remote servers?

A. ssh-agent
B. ssh-keyscan
C. scp
D. ssh-copy-id

答案：D

解題說明：
Explanation
The best tool to use when uploading the public key to the remote servers is B. ssh-copy-id. This tool will copy the public key from the local computer to the remote server and append it to the authorized_keys file, which is used for public key authentication. This tool will also create the necessary directories and files on the remote server if they do not exist. The other tools are either not suitable or not relevant for this task. For example:
A: scp is a tool for securely copying files between hosts, but it does not automatically add the public key to the authorized_keys file.
C: ssh-agent is a tool for managing private keys and passphrases, but it does not upload the public key to the remote server.
D: ssh-keyscan is a tool for collecting public keys from remote hosts, but it does not upload the public key to the remote server.

問題 #512
A Linux administrator is scheduling a system job that runs a script to check available disk space every hour.
The Linux administrator does not want users to be able to start the job. Given the following:

The Linux administrator attempts to start the timer service but receives the following error message:

Which of the following is MOST likely the reason the timer will not start?

A. The checkdiskspace.timer should be configured to allow manual starts.
B. The timers.target should be reloaded to get the new configuration.
C. The checkdiskspace.timer should be started using the sudo command.
D. The checkdiskspace.timer unit should be enabled via systemct1.

答案：A

解題說明：
The most likely reason the timer will not start is that the checkdiskspace.timer should be configured to allow manual starts. By default, systemd timers do not allow manual activation via systemct1 start, unless they have RefuseManualStart=no in their [Unit] section. This option prevents users from accidentally starting timers that are meant to be controlled by other mechanisms, such as calendar events or dependencies. To enable manual starts for checkdiskspace.timer, the administrator should add RefuseManualStart=no to its [Unit] section and reload systemd.
The other options are not correct reasons for the timer not starting. The checkdiskspace.timer unit does not need to be enabled via systemct1 enable, because enabling a timer only makes it start automatically at boot time or after a system reload, but does not affect manual activation. The timers.target does not need to be reloaded to get the new configuration, because reloading a target only affects units that have a dependency on it, but does not affect manual activation. The checkdiskspace.timer does not need to be started using the sudo command, because the administrator is already running systemct1 as root, as indicated by the # prompt. References: systemd.timer(5) - Linux manual page; systemct1(1) - Linux manual page

問題 #513
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?

A. fg ping remotehost
B. bg ping remotehost
C. ping remotehost &
D. ping remotehost < results

答案：C

解題說明：
bg : put the recently suspended process in the background
fg : put the recently suspended process in the foreground
& : run a program in the background to begin with
https://afni.nimh.nih.gov/pub/dist/edu/data/CD.expanded/AFNI_data6/unix_tutorial/basic/basic_02
.bg.html

問題 #514
A systems administrator is gathering information about a file type and the contents of a file. Which of the following commands should the administrator use to accomplish this task?

A. lsof filename
B. grep filename
C. file filename
D. touch filename

答案：C

解題說明：
The file command is used to determine the type of a file by examining its contents. It can recognize many different formats, such as text, binary, executable, compressed, image, audio, video, etc. It can also display some additional information about the file, such as encoding, size, dimensions, etc.

問題 #515
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最新XK0-005考證: https://tw.fast2test.com/XK0-005-premium-file.html

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