Study tips LX0-101

What port should be listening before a successful connection is possible?

Which statement is true regarding the following /etc/resolv.conf file?

What is the purpose of the dig command?

which file will be queried first for hostname lookups?

which users can execute commands using sudo?

An administrator has added the following line to /etc/inittab in order to disable the ability to reboot a Debian system…

Which option, when passed to thegpg command, will enter an interactive menu enabling the user to perform key management related tasks?

Which of the following programs would you use to find out?

What is the highest numbered TCP /IP port?

Which of the following commands will print the necessary information?