XK0-004無料問題集「CompTIA Linux+ Certification」

質問 1

A system administrator has discovered a drive is malfunctioning and needs to be replaced in a server. The administrator lists properties of the exiting storage before attempting the replacement:

After replacing the malfunctioning drive, which of the following is the BEST way to create the proper partition table on the new drive?

（A）Sfdisk -dev/sda| sfdisk/dev/sdb

（B）Parted -a optimal /dev/sdb primary 0% 2000MB

（C）Fdis.dev/sdb< echo p; echo d; eacho w)

（D）Mkpart primary 1MB 2000MB /dev/sdb

正解：C 解答を投票する

質問 2

Which of the following statements BEST represents what the term "agentless" means regarding orchestration?

（A）It facilitates version control when using infrastructure as code during orchestration

（B）Installation of a tool is not required on the remote system to perform orchestration tasks

（C）A tool can only be accessed remotely to perform orchestration tasks

（D）It automatically removes malware from the remote system during orchestration

正解：B 解答を投票する

質問 3

A new web server was recenly installed and configured according to vendor.......... management via SSH has shown slow screen responses. The systems administrator..
An administrator is setting up a script named script,sh to be executed daily at 3:15 a.m. Which of the following is the correct way to define this in crontab?

（A）* * * 15 3 script,sh

（B）3 15 * * * script,sh

（C）15 3 * * * script,sh

（D）* * * 3 15 script,sh

正解：C 解答を投票する

質問 4

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?

（A）dd if=/dev/sdc1 of=~/usb_copy.img bs=1024

（B）dd if=/dev/sdc1 of=~/usb_copy.img count=1024

（C）dd if=/dev/sdc of=~/usb_copy.img bs=512

（D）dd of=/dev/sdc if=~/usb_copy.img bs=1M

正解：A 解答を投票する

質問 5

A systems administrator is configuring options on a newly installed Linux VM that will be deployed to the Pacific time zone. Which of the following sets of commands should the administrator execute to accurately configure the correct time settings?

（A）cd /usr/localln -s /usr/share/zoneinfo/US/Pacific zoneinfo

（B）cd /usr/share/localln -s /usr/share/zoneinfo/US/Pacific localectl

（C）cd /etcln -s /usr/share/zoneinfo/US/Pacific localtime

（D）cd /etc/localln -s /usr/share/zoneinfo/US/Pacific localtime

正解：C 解答を投票する

質問 6

An administrator needs to see a list of the system user's encrypted passwords. Which of the following Linux files does the administrator need to read?

（A）/etc/pw

（B）/etc/shadow

（C）/etc/skel

（D）/etc/passwd

正解：D 解答を投票する

質問 7

A Linux administrator recently reprovisioned a new corporate web server to replace a legacy one. To minimize the impact on the company's users, the administrator modified the network and DNS settings of the new server to be the same as the legacy server.
When attempting to log in to the new server remotely over SSH, the following error message is displayed:
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
Which of the following should the administrator do to resolve the issue?

（A）Remove the entry for the web server from the known_hosts file on the local machine.

（B）Restart the network services on both the remote server and the local machine.

（C）Add the administrator's public key to the authorized_keys on the remote server.

（D）Update the /etc/hosts file on the remote server and local machine.

正解：C 解答を投票する

質問 8

A Linux administrator needs to archive all the *.log files in the /var/log directory. The directory has several symbolic link files that need to be included in the car file. Which of the following commands should the administrator run to create

（A）tar -cpz logarchive.tgz /var/log/*.log

（B）tar -czh logarchive.tgz /var/log/*.log

（C）tar -xhz Icgarchive.tgz /var/log/*.log

（D）tar -tvz logarchive.tgz /var/log/".log

正解：B 解答を投票する

質問 9

An administrator is provisioning and attaching a secondary disk to a Linux server as a data drive. Which Of the following commands the administrator use to find the UUID Of the disk so the drive can be mounted upon boot?

（A）fstab

（B）isblk

（C）2label

（D）blkid

正解：A 解答を投票する

質問 10

An operator finds a user is having issues with opening certain files.
Which of the following commands would allow the security administrator to list and check the SELinux context?

（A）ls -Z

（B）ls -1

（C）ls -a

（D）ls -D

正解：A 解答を投票する

質問 11

Which of the following commands would show the default printer on a Linux system?

（A）lspci

（B）lpstat

（C）lpr

（D）lpq

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 12

A Linux user uses a VPN to securely access the company's systems from a laptop.
Which of the following protocols are MOST likely used to secure the VPN connection? (Choose two.)

（A）VNC

（B）SFTP

（C）HTTP

（D）IPSec

（E）SSL/TLS

（F）SELinux

正解：D、E 解答を投票する

質問 13

An administrator needs to allow additional specific users and groups to have access to a foWer without removing the original owner or group. Which of the following commands should the administrator use to complete this task?

（A）setfac1

（B）chmod

（C）sentenforce

（D）chown

正解：C 解答を投票する

質問 14

A Linux administrator tried to copy files to a remote server but received an error message indicating a lack of free space on the disk. The administrator issued a df command and verified adequate free space and inodes on the filesystem.
Which of the following commands is the BEST way to diagnose the issue?

（A）lsof -nP | grep deleted

（B）find / -type f -size +50M

（C）du -a / | sort -n -r | head -n 30

（D）cat /proc/meminfo

正解：A 解答を投票する

質問 15

Which of the following can be used to check the status of wireless devices that are connected to the system?

（A）netstat

（B）iwconfig

（C）ifconfig

（D）lsusb

正解：B 解答を投票する

質問 16

Which of the following is the purpose of the monitoring server role?

（A）To provide user authentication services to a network

（B）To aggregate web traffic to watch which websites employees are visiting

（C）To collect status and performance information about the servers in an environment

（D）To provide real-time analysis of potential threats to the organization

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 17

An administrator has written the following Bash script:

All necessary files exist in the correct locations. However, when the administrator executes /home/user/test.sh the following error is received:
No such file or directory
Which of the following is the MOST likely cause of the error?

（A）Nslookup is not installed.

（B）The shebang points to the wrong path.

（C）The formatting of the file is incorrect.

（D）The script is not executable.

正解：B 解答を投票する

XK0-004 無料問題集「CompTIA Linux+ Certification」

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