CompTIA XK0-005日常練習試験は2025年最新のに更新された390問あります [Q142-Q164]

142、An administrator needs to change the IP address on a server remotely. After updating the configuration files, a network restart is needed. However, the administrator fears that when the network connection drops, the network restart script will be killed before the new IP address has been set.
Which of the following commands would prevent the script from being killed?

143、A Linux administrator needs to correct the permissions of a log file on the server. Which of the following commands should be used to set filename.log permissions to -rwxr-r–. ?

144、A systems administrator received a notification that a system is performing slowly. When running the top command, the systems administrator can see the following values:

Which of the following commands will the administrator most likely run NEXT?

145、A systems administrator is enabling LUKS on a USB storage device with an ext4 filesystem format. The administrator runs dmesg and notices the following output:

Given this scenario, which of the following should the administrator perform to meet these requirements? (Select three).

146、A Linux administrator is troubleshooting an issue in which users are not able to access
https://portal.comptia.org from a specific workstation. The
administrator runs a few commands and receives the following output:

Which of the following tasks should the administrator perform to resolve this issue?

147、A Linux administrator needs to switch from text mode to GUI. Which of the following runlevels will start the GUI by default?

148、A Linux administrator is reviewing changes to a configuration file that includes the following section:

The Linux administrator is trying to select the appropriate syntax formatter to correct any issues with the configuration file. Which of the following should the syntax formatter support to meet this goal?

149、Users are reporting that a production application has slow performance. A systems administrator logs in to the server and performs some basic checks. Given the following:
yaml
[root@comptia]# ps -o pcpu; pidstat 1
Average: UID PID %usr %system %wait %CPU Command
Average: 0 937242 32.39 0 63.21 32.39 app_prd
Average: 0 937245 44.97 0.31 51.57 45.28 app_prd
Average: 0 937244 23.62 0 63.55 28.62 app_prd
[root@comptia]# vmstat 1
procs memory swap io system cpu
r b swpd free buff cache si so bi bo in cs us sy id wa st 16 0 978912 376320 50804 10296312 0 0
0 44 5503 2962 98 2 0 0 0
[root@comptia]# free -m
total used free shared buff/cache available
Mem: 15533 5063 365 164 10104 9975
Swap: 7931 955 6976
Which of the following is causing the performance issue?

150、A systems administrator receives reports that several virtual machines in a host are responding slower than expected. Upon further investigation, the administrator obtains the following output from one of the affected systems:

Which of the following best explains the reported issue?

151、A Linux administrator is adding a new configuration file to a Git repository.
Which of the following describes the correct order of Git commands to accomplish the task successfully?

152、A Linux administrator copied a Git repository locally, created a feature branch, and committed some changes to the feature branch.
Which of the following Git actions should the Linux administrator use to publish the changes to the main branch of the remote repository?

153、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?

154、An administrator is trying to optimize a connection to an off-site NFS server.
Which of the following commands would BEST display the problems with packet sizes between hops on the network?

155、Which of the following data structures is written in JSON?

156、A user is reporting unusual slowness when trying to transfer a large file to an NFS server from a workstation. The administrator runs tracepath and gets the following output:

Which of the following BEST describes the issue and a possible solution?

157、A systems administrator must clean up all application files in the directory /var/log/app. However, the company’s security policy requires the files to be kept on the backup server for one year. The Linux server has only the tar and bzip2 packages installed.
Which of the following commands will package and compress the files?

158、Developers have requested implementation of a persistent, static route on the application server. Packets sent over the interface eth0 to 10.0.213.5/32 should be routed via 10.0.5.1. Which of the following commands should the administrator run to achieve this goal?

159、The group named support is unable to make changes to the config file. An administrator is reviewing the permissions and sees the following:
S Is -1 config
-rw-rw—-. 1 root app 4682 02-15 11:25 config
Which of the following should the administrator execute in order to give the support group access to modify the file while preserving the current ownership?

160、A Linux administrator is creating a new sudo profile for the accounting user. Which of the following should be added by the administrator to the sudo configuration file so that the accounting user can run / opt/ acc/ report as root?

161、A systems administrator wants to be sure the sudo rules just added to /etc/sudoers are valid. Which of the following commands can be used for this task?

162、A Linux administrator reviews a set of log output files and needs to identify files that contain any occurrence of the word denied. All log files containing entries in uppercase or lowercase letters should be included in the list. Which of the following commands should the administrator use to accomplish this task?

163、A Linux systems administrator is configuring a new filesystem that needs the capability to be mounted persistently across reboots. Which of the following commands will accomplish this task? (Choose two.)

164、A systems administrator is encountering performance issues. The administrator runs 3 commands with the following output

The Linux server has the following system properties
CPU: 4 vCPU
Memory: 50GB
Which of the following accurately describes this situation?