A systems administrator wants to ensure all the latest patches and updates are automatically synced to the local repository every two hours on Sundays through Tuesdays in the month of May. Which of the following cron entries can the administrator use to achieve this goal? (Select two.)
A systems administrator is reconfiguring existing user accounts in a Linux system. Which of the following commands should the administrator use to include "myuser" in the finance group?
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?
A network administrator issues the dig command and receives an NXDOMAIN response. Which of the following files should the administrator check first?