SIMULATION
What is the lowest numbered unprivileged TCP port? (Specify the number in digits only.)

Which of the following commands prints a list of usernames (first column) and their primary group (fourth
column) from the /etc/passwd file?

What is true regarding TCP port 23?

Which of the following commands will print the last 10 lines of a text file to the standard output?

Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct
answers.)

Which character, added to the end of a command, runs that command in the background as a child process of
the current shell?

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 commands will reduce all consecutive spaces down to a single space?

Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)

When starting a program with the nice command without any additional parameters, which nice level is set for
the resulting process?