CompTIA XK0-005 Practice Test - Questions Answers, Page 37

An administrator changed the default port of an SSH server to 2222 on myhost, and clients are not able to connect. The administrator runs some commands and receives the following output:

vbnet

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$ ssh -p 2222 myhost

ssh:connect to host myhost on port 2222: No route to host

Which of the following commands should be run on myhost?

An administrator wants to execute a long-running script in the terminal while troubleshooting another issue. Which of the following options will achieve this goal?

A Linux administrator is investigating the reason a systemd timer is not running every night at midnight. The administrator sees the following unit file:

[Unit]

Description=Execute backup every day at midnight

[Timer]

OnCalendar=--01 00:00:00

Unit=backup.service

RandomizedDelaySec=10800

[Install]

WantedBy=multi-user.target

Which of the following modifications should the administrator make in the unit file? (Select two).

A Linux systems administrator needs to compress a file named passwords.txt. The compressed file should be saved as passwords.txt.gz. Which of the following commands should the administrator use to accomplish this task?

Users are reporting that a Linux server is responding slowly. A systems administrator troubleshooting the server issue sees the following iostat output, with %iowait at 50.38. Which of the following is most likely the issue?

A diagnostic tool reports a 'host seems down' event for a server with an IP address of 192.168.47.44. Which of the following commands should the administrator use to confirm the host down event?

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 Linux systems administrator is updating code. After completing the update, the administrator wants to publish the updated code without including the configuration files. Which of the following should the administrator use to accomplish this task?

A Linux administrator is creating a user that can run the FTP service but cannot log in to the system. The administrator sets /bin/false as a login shell for the user. When the user tries to run the FTP service, it is rejected with an 'invalid shell: /bin/false' message. Which of the following is the best way to resolve the issue?