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

質問 1

A Linux administrator is configuring a new internal web server fleet. The web servers are up and running but can only be reached by users directly via IP address. The administrator is attempting to fix this inconvenience by requesting appropriate records from the DNS team. The details are:
Hostname: devel.comptia.org
IP address: 5.5.5.1, 5.5.5.2, 5.5.5.3, 5.5.5.4
Name server: 5.5.5.254
Additional names: dev.comptia.org, development.comptia.org
Which of the following types of DNS records should the Linux administrator request from the DNS team?
(Select three).

（A）CNAME

（B）MX

（C）RRSIG

（D）TXT

（E）SOA

（F）PTR

（G）SRV

（H）NS

（I）A

正解：A、H、I 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 2

A Linux engineer wants to give read-write-execute permissions for the cloud_users directory to user Oliver.
Which of the following commands should the engineer use?

（A）setfacl -L Oliver/cloud_users

（B）setfacl -P rwx/cloud_users

（C）setfacl -m u:Oliver/cloud_users

（D）setfacl -x rwx/cloud_users

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 3

A systems administrator changed the file permissions on the myfile file:
$ sudo chmod g+w myfile
$ ls -l myfile
-rwxrwxr-x 1 admin editors C 2022-10-13 10:45 myfile
Then the administrator added an existing user test to the editors group:
$ sudo usermod -aG editors test
However, the user test is still unable to edit the file. Which of the following solutions will fix this issue?

（A）In order to edit the file, additional permissions are required that the user test does not have.

（B）The group for the user test needs to be reloaded by running sudo source /etc/group.

（C）The file is only writable by the root user, and the user test needs root permissions.

（D）The user test needs to log out and log back in before editing the myfile file.

正解：D 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 4

A new hard drive /dev/sdd was added to a server. Which of the following commands will create a partition table with a single partition /dev/sdd1 that consumes the entire disk?

（A）echo 'type=83' | sudo sfdisk /dev/sdd

（B）echo 'auto' | sudo fdisk /dev/sdd

（C）sudo sfdisk /dev/sdd -t=83

（D）sudo fdisk /dev/sdd -1 -t=83

正解：A 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 5

An administrator deployed a Linux server that is running a web application on port 6379/tcp.
SELinux is in enforcing mode based on organization policies.
The port is open on the firewall.
Users who are trying to connect to a local instance of the web application receive Error 13, Permission denied.
The administrator ran some commands that resulted in the following output:

Which of the following commands should be used to resolve the issue?

（A）semanage port -d -t http_port_t -p tcp 6379

（B）semanage port -a -t http_port_t -p tcp 6379

（C）semanage port -l -t http_port_tcp 6379

（D）semanage port -a http_port_t -p top 6379

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 6

Ann, a security administrator, is performing home directory audits on a Linux server. Ann issues the su Joe command and then issues the Is command. The output displays files that reside in Ann's home directory instead of Joe's. Which of the following represents the command Ann should have issued in order to list Joe's files?

（A）pkexec joe

（B）su - Joe

（C）sudo Joe

（D）visudo Joe

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 7

Users in the human resources department are trying to access files in a newly created directory. Which of the following commands will allow the users access to the files?

（A）chcon

（B）chage

（C）chgrp

（D）chattr

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 8

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 network bandwidth

（B）More memory resources

（C）Extended root filesystem

（D）More CPU resources

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 9

An administrator would like to list all current containers, regardless of their running state. Which of the following commands would allow the administrator to accomplish this task?

（A）docker image ls

（B）docker inspect image

（C）docker ps -a

（D）docker list

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 10

After installing a new version of a package, a systems administrator notices a new version of the corresponding, service file was Installed In order to use the new version of the, service file, which of the following commands must be Issued FIRST?

（A）systemct1 daemon-reload

（B）systemct1 status

（C）systemct1 reinstall

（D）systemct1 stop

正解：A 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 11

The administrator comptia is not able to perform privileged functions on a newly deployed system. Given the following command outputs:

Which of the following is the reason that the administrator is unable to perform the assigned duties?

（A）The administrator's credentials need to be more complex.

（B）The administrator is not a part of the correct group.

（C）The administrator needs a password reset.

（D）The administrator did not update the sudo database.

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 systems administrator received a request to change a user's credentials. Which of the following commands will grant the request?

（A）sudo userde 1

（B）sudo usermod

（C）sudo chage

（D）sudo passwd

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

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

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