Linux+ (v6) Practice Questions

An administrator is analyzing a Linux server which was recently hacked.
Which of the following will the administrator use to find all unsuccessful login attempts?

A junior Linux administrator is optimizing a system in which an application needs to take priority 0 when running the process. The administrator runs the ps command and receives the following output:

Given this scenario, which of the following steps will address this issue?

Which of the following will provide a list ofall flash, external, internal, and SSD drives?

A systems administrator configured a new kernel module, but it stopped working after reboot.

Which of the following will allow the systems administrator to check for module problems during server startup?

A junior Linux administrator needs to access production servers using a secure SSH protocol.

Which of the following files should contain the public key to gain remote access to the server?

Two specific users need access to a directory owned by root where backups are located.

Which of the following commands would BEST ensure the specified users can access the backup files?

A Linux administrator needs to schedule a cron job to run at 1:15 p.m. every Friday to reportthe amount offree disk space on the system and to send the output to a file named “freespace.

Which of the following would meet this requirement?

The lead Linux admin has added a disk, /dev/sdd, to a VM that is running out of disk space. Place the following steps in the correct order from first (1)to last (4) to add the disk to the existing LVM

Joe, a user, is unable to log in to the server and contracts the systems administrator to look into the issue. The administrator examines the /etc/passwd file and discovers the following entry:joe:x:505:505::/home/joe:/bin/falseWhich of the following commands should the administrator execute to resolve the problem?