XK0-005試験無料問題集（390題）「CompTIA Linux+ Certification 認定」

出題：1

A Linux administrator has defined a systemd script docker-repository.mount to mount a volume for use by the Docker service. The administrator wants to ensure that Docker service does not start until the volume is mounted. Which of the following configurations needs to be added to the Docker service definition to best accomplish this task?

A. After=docker-respository.mount

B. Requires=docker-repository.mount

C. RequiresMountsFor=docker-repository.mount

D. ExecStart=/usr/bin/mount -a

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：2

A DevOps engineer wants to work on a snapshot of the infrastructure as code configuration. Which of the following commands should the engineer use to accomplish this task?

A. git pull <feature>

B. git tag <feature>

C. git push <feature>

D. git branch <feature>

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

Linux system users report that over the past few months, a server has stopped responding at least twice each day. Every time this happens, the users have to restart the server to recover it. A systems administrator diagnosing the issue collects the following outputs:
csharp
Output 1
[Tue Aug 31 16:36:42 2021] oom-killer invoked by java: gfp_mask=0x280da2 order=0, oom_score_adj=0
[Tue Aug 31 16:36:42 2021] java cpuset=/ mems_allowed=0
makefile
Output 2
[root@server]# free -m
total used free shared buff/cache available
Mem: 15819 15026 174 92 619 134
Swap: 0 0 0
Which of the following is the best permanent resolution for the system?

A. More memory resources

B. More network bandwidth

C. More CPU resources

D. Extended root filesystem

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：4

A Linux administrator needs to resolve a service that has failed to start. The administrator runs the following command:

The following output is returned

Which of the following is MOST likely the issue?

A. The service startupfile cannot be owned by root.

B. The service does not have permissions to read write the startupfile.

C. The service startupfile should not be owned by the root group.

D. The service startupfile size cannot be 81k.

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

A systems administrator is tasked with installing GRUB on the legacy MBR of the SATA hard drive. Which of the following commands will help the administrator accomplish this task?

A. grub-install /dev/hd0,0

B. grub-install /dev/sda

C. grub-install /dev/hda

D. grub-install /dev/sr0

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：6

An administrator attempts to rename a file on a server but receives the following error.

The administrator then runs a few commands and obtains the following output:

Which of the following commands should the administrator run NEXT to allow the file to be renamed by any user?

A. chmod -t files

B. chacl -R 644 files

C. chgrp reet files

D. chown users files

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：7

A user generated a pair of private-public keys on a workstation. Which of the following commands will allow the user to upload the public key to a remote server and enable passwordless login?

A. ssh-add user server

B. rsync ~ /.ssh/ user@server:~/

C. scp ~/.ssh/id_rsa user@server:~/

D. ssh-copy-id user@server

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：8

A Linux administrator logs in to a system and identifies that an important backup has been started. The backup process is consuming a considerable amount of CPU time but needs to continue. Which of the following should the administrator use to reduce the impact this process has on other services?

A. renice -n 15 -p <backup pid>

B. nice -n 15 -p <backup pid>

C. nice -n -15 -p <backup pid>

D. renice -n -15 -p <backup pid>

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：9

Several users reported that they were unable to write data to the /oracle1 directory. The following output has been provided:

Which of the following commands should the administrator use to diagnose the issue?

A. lsblk /dev/sdb1

B. fdisk -1 /dev/sdb1

C. df -i /oracle1

D. du -sh /oracle1

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：10

A Linux administrator needs to analyze a failing application that is running inside a container. Which of the following commands allows the Linux administrator to enter the running container and analyze the logs that are stored inside?

A. docker run -ti app /bin/sh

B. docker exec -d app /bin/bash

C. podman exec -ti app /bin/sh

D. podman run -d app /bin/bash

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：11

A systems administrator needs to clone the partition /dev/sdc1 to /dev/sdd1. Which of the following commands will accomplish this task?

A. scp /dev/sdc1 /dev/sdd1

B. dd if=/dev/sdc1 of=/dev/sdd1

C. rsync /dev/sdc1 /dev/sdd1

D. tar -cvzf /dev/sdd1 /dev/sdc1

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：12

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. chmod 600 .ssh/authorized_keys

B. ssh_keygen -t rsa -o .ssh/authorized_keys

C. restorecon .ssh/authorized_keys

D. chown root:root .ssh/authorized_keys

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：13

A Linux administrator is alerted to a storage capacity issue on a server without a specific mount point or directory. Which of the following commands would be MOST helpful for troubleshooting? (Choose two.)

A. mount

B. fdisk

C. parted

D. du

E. ls

F. dd

G. df

正解：D,G 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：14

A Linux administrator modified the SSH configuration file. Which of the following commands should be used to apply the configuration changes?

A. systemct1 reload sshd

B. systemct1 mask sshd

C. systemct1 start sshd

D. systemct1 stop sshd

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

XK0-005試験無料問題集「CompTIA Linux+ Certification 認定」