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

質問 1

A system administrator recently installed and configure a web proxy server with the IP address 192.68 address. What is the should be implemented on then proxy server to ensure traffic is processes.
A)

B)

D)

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：D 解答を投票する

質問 2

A systems administrator downloads an application's source files, compiles the application, and installs it per the application's installation instructions. When trying to run the application, the system states:
$ occmd
bash: occmd: command not found...
Running the locate command shows it does exist in the following location:
/opt/occmd/bin/occmd
Which of the following should the administrator do to allow the command to run properly? (Choose two.)

（A）sudo ln -s /opt/occmd/bin/occmd /usr/local/bin/occmd

（B）mv /opt/occmd ~/ && ln -s ~/occmd/bin/occmd ./occmd

（C）echo "export PATH=$PATH:/opt/occmd/bin" >> ~/.bashrc

（D）cd /opt/occmd/bin && chmod +x ./occmd && restorecon -rv *

（E）sudo mv /opt/occmd/bin/occmd /etc/bin/

（F）echo "#!/bin/bash \n ${which occmd}" > /usr/bin/occmd.sh

正解：D、E 解答を投票する

質問 3

A Linux administrator mounts a directory to a Linux workstation by executing the command mount -t ext4 /dev/sdb /mnt /leg. After rebooting the workstation the mounted device is missing. Which of the following commands should it is mounted after reboot?

（A）fsck /dev/sdb

（B）mkfs.txt4 /dev/sdb

（C）echo "/dev/adb /ant/log ext4 defaults 0 0" /etc/fstab

（D）Ivchange --activate /dev/aab

正解：C 解答を投票する

質問 4

A Linux administrator needs to run a few virtual machines and containers on the physical machines with a single network interface. Which of the following networking would allow the administrator to connect with the outside world?

（A）VLAN

（B）Bonding/teaming

（C）VPN

（D）Bridging

正解：D 解答を投票する

質問 5

Administrators needs to copy a local hard drive's contents, master boot record, and partition table onto a remote server securely. Which of he following BEST allows the administrator to do this?
A)

B)

C)

D)

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：D 解答を投票する

質問 6

A Linux administrator installed a new network adapter and temporarily disabled the network service from starting on boot. The partial output of chkconfig is as follows:

Which of the following commands BEST describes how the administrator should re-enable the network service?

（A）chkconfig --level 6 network on

（B）chkconfig --level 0-6 network on

（C）chkconfig --level 12 network on

（D）chkconfig --level 345 network on

（E）chkconfig --level 0 network on

正解：D 解答を投票する

質問 7

All users are reporting that they cannot connect to the SFTP server. The administrator runs a scan:

Which of the following would allow the administrator to fix the problem?

（A）Allow SFTP connections on port 22 using /etc/sysconfig/iptables.

（B）Allow SFTP connections on port 1456 using /etc/sysconfig/iptables.

（C）Allow SFTP connections on port 25 using /etc/sysconfig/iptables.

（D）Allow SFTP connections on port 20 and 21 using /etc/sysconfig/iptables.

正解：A 解答を投票する

質問 8

A Linux administrator is testing a configuration script and wants to change the hostname of a workstation temporarily, but it must return to its assigned workstation name after reboot. Which of the following is the BEST command for the administrator to use?

（A）Hostnamet1 set-hostname -transient tempname

（B）Hostnamect1 set-hostname tempname

（C）Hostnamect1 -H localhost tempname

（D）Hostnamect1 set-hostname -static tempname

正解：A 解答を投票する

質問 9

A server, which is used to collect data about the network and datacenter environment via SNMP, is running out of space. Which of the following should the server administrator implement to reduce disk utilization?

（A）journald

（B）Snapshots

（C）tar -cvf

（D）logrotate

正解：B 解答を投票する

質問 10

A company wants to provide internal identity verification services for networked devices. Which of the following servers should be installed?

（A）DNS

（B）DHCP

（C）CA

（D）VPN

（E）SSH

正解：C 解答を投票する

質問 11

A junior systems administrator has generated a PKI certificate for SSH sessions. The administrator would like to configure authentication without passwords to remote systems. Which of the following should the administrator perform?

（A）Add the content of id_rsa file to the remote system ~/.ssh/authorized_keys location.

（B）Add the content of id_rsa.pub file to the remote system ~/.ssh/known_hosts location.

（C）Add the content of id_rsa file to the remote system ~/.ssh/known_hosts location.

（D）Add the content of id_rsa.pub file to the remote system ~/.ssh/authorized_keys location.

正解：D 解答を投票する

質問 12

A Linux administrator rs creating a VM to install a third-party tool for scanning me network. The vendor hat provided an OVA file for installing the software.
Which of the foiowing BEST descnoes the OVA file?

（A）Vendor planning and installation documentation guidance to prepare the installation

（B）Software installation media that will be mounted and installed using a kickstart file

（C）An application container that is self-contained and allows the vendor software to run anywhere

（D）A VM image that contains the prelnstalled and configured vendor software

正解：D 解答を投票する

質問 13

Which of the following server roles would MOST likely be found in a PXE boot environment?

（A）Web

（B）DCCP

（C）DNS

（D）Proxy

正解：C 解答を投票する

質問 14

A systems administrator documents the instructions on the internal wiki regarding how to turn the company's code into Debian packages. The instructions include the commands used to compile, what tests need to be run, the commands to convert the raw code into a package that apt or dpkg can manage, as well as an of each command.
Which of the following is this an example of?

（A）Configuration management

（B）Procedures

（C）Infrastructure as code

（D）Attributes

正解：B 解答を投票する

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

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