How is the file format of /etc/crontab different from a normal crontab file? (Select TWO correct
answers)

What is the main difference between the batch and at commands?

The correct crontab entry to execute the script chklog three times per month between 3 p.m. and 5
p.m.:

On a dual boot system, every time the system is booted back into Linux the time has been set
backward by one day. Which of the following commands will correct the problem?

What command should be used to print a listing of email in the system’s mail queue?

CORRECT TEXT
With IPv6, how many bits have been used for the host identifier portion of an address? (Please
enter the number and not a word)

CORRECT TEXT
When searching for files owned by the root user, which option is required in the following
command line:
find . ________ 0 -print
(Provide only the missing argument)

CORRECT TEXT
Which file contains a set of services and permitted hosts that will be allowed to connect to the
server by going through a TCP Wrapper program such as tcpd? (Please enter the full path)

What command is used to hold keys during a login session to be used for automatic authentication
while logging in to other machines using ssh?

What keyword is missing from this code sample of a shell script?
____ i in *.txt; do
echo $i
done