Which of the following commands can be used to limit the amount of memory a user may use?
On a Linux system with shadow passwords enabled, which file in the file system contains the password hashes of all local users? (Specify the full name of the file, including path.)
Which of the following keywords can be used in the file /etc/nsswitch.conf to specify a source for host name lookups? (Choose TWO correct answers.)
Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct answers.)
What is true regarding TCP port 23?