CompTIA XK0-005 Practice Test - Questions Answers, Page 34

A systems engineer deploys a new application server, but the server cannot communicate with the back-end database hostname. The engineer confirms that the application server can ping the database server's IP address. Which of the following is the most likely cause of the issue?

A Linux administrator needs to list the packages that are currently installed on a server. Which of the following commands should the administrator use?

A hardened physical Linux system allows regular, unprivileged users to remotely connect to the server using SSH only. No sudo tool has been installed. Which of the following should the Linux administrator use to perform administrative tasks on this host? (Select two).

A systems administrator is creating new user accounts on several Linux machines and wants to automate the process from a Linux system used for operations. In this operations system, the list of servers is located in the /home/user/serverslist file and the list of user accounts is located in the /home/user/userslist file. Which of the following scripts will help accomplish this task?

Which of the following directories contains binaries that only a root user should run?

SIMULATION

A senior administrator has placed a private key for user admin in your home directory.

The server you need to remotely access is server1 and SSH is listening on port 2222.

INSTRUCTIONS

Part 1

Review the command output and build the correct command to place the private key into your SSH folder.

Part 2

Review the command output and build the correct command to set the file permissions.

Part 3

Review the command output and build the correct command to set the correct ownership.

In each part, click on objects to build a complete command. Command objects may be used more than once, but not all will be used. Use _ as the spacebar. Click the arrow to remove any unwanted objects from your command.

Part 4

Select the proper file to edit for remote server access. Then, build the correct configuration output based on the server name, ports, and files.

A systems administrator is cloning a system partition /dev/sda1 to /dev/sdc1. Which of the following commands would allow the administrator to accomplish this task most efficiently?

A Linux administrator encounters the following error in the Apache log files:

css

SQLSTATE[HY000] [2002] Permission denied

Which of the following commands should the administrator run to safely fix this issue?

A hardened physical Linux system allows regular, unprivileged users to remotely connect to the server using SSH only. No sudo tool has been installed. Which of the following should the Linux administrator use to perform administrative tasks on this host? (Select two).