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Which of the following is the device file name for the second partition on the only SCSI drive?

A.

/dev/hda1

B.

/dev/sda2

C.

/dev/sd0a2

D.

/dev/sd1p2

What is a purpose of an SSH host key?

A.

It must be sent by any SSH client in addition to a user key in order to identify the client's host.

B.

It provides the server's identity information to connecting SSH clients.

C.

It is the root key by which all user SSH keys must be signed.

D.

It authenticates any user that logs into a remote machine from the key's host.

E.

It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

Which of the following tasks can be accomplished using the command date? (Choose TWO correct answers.)

A.

Synchronize the hardware and system clocks.

B.

Output date and time in different formats.

C.

Set the system clock.

D.

Set the hardware clock.

E.

Update the time via NTP.

The presence of what file will temporarily prevent all users except root from logging into the system? (Specify the full name of the file, including path.)

What happens after issuing the command vi without any additional parameters?

A.

vi starts and loads the last file used and moves the cursor to the position where vi was when it last exited.

B.

vi starts and requires the user to explicitly either create a new or load an existing file.

C.

vi exits with an error message as it cannot be invoked without a file name to operate on.

D.

vi starts in command mode and opens a new empty file.

E.

vi starts and opens a new file which is filled with the content of the vi buffer if the buffer contains text.

Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)

Given a file called birthdays containing lines like:

YYYY-MM-DD Name

1983-06-02 Tim

1995-12-17 Sue

Which command would you use to output the lines belonging to all people listed whose birthday is in May or June?

A.

grep '[56]' birthdays

B.

grep 05?6? birthdays

C.

grep '[0-9]*-0[56]-' birthdays

D.

grep 06 birthdays | grep 05

Which of the following commands can remove a user from a group?

A.

grouprm

B.

groupmod

C.

passwd

D.

usergroups

E.

usermod

Why is the correct configuration of a system's time zone important?

A.

Because the conversion of Unix timestamps to local time relies on the time zone configuration.

B.

Because the time zone is saved as part of the modification times of files and cannot be changed after a file is created.

C.

Because the environment variables LANG and LC_MESSAGES are, by default, set according to the time zone.

D.

Because NTP chooses servers nearby based on the configured time zone.

Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?

A.

*

B.

-

C.

s

D.

x