A user requested a USB serial device to be added to a desktop computer. The device has built-in kernel driver
support. The administrator tested the device installation and access, but the user cannot access the serial port.
Each time the user attempts to access the device, an error log is created that shows the user does not have
permission to use the serial port. Which of the following will add a user to the group that has serial port
capabilities?
An issue was discovered on a testing branch of a Git repository. A file was inadvertently modified and needs to be reverted to the master branch version. Which of the following is the BEST option to resolve the issue?
A systems administrator has retrieved the latest copy of the system backup files, which had been stored offsite at a third-party vendor. The systems administrator wants to validate that the data was not
modified since the backup.
Which of the following would BEST verify that the data remained the same?
A systems administrator needs to append output of ls -lha /opt command to the contents of a test.txt file. Which of the following commands will accomplish this?
An administrator is writing a Bash script to audit SSH logins. Which of the following logs would the administrator parse to find the needed information?
