Information Technology Reference
In-Depth Information
Question 3
What is the
/var/adm/loginlog
file used to log?
❍
A.
Logins
❍
B.
Logouts
❍
C.
Failed logins
❍
D.
Successful logins
❍
E.
All logins and logouts
The correct answer is C. The
last
command is used to determine logins
(answers A and D), logouts (answer B), and both logins and logouts (answer
E). In addition, the
who
command can be used to identify users currently
logged onto the system.
Question 4
To restrict logging in directly as root to the system console, which file needs to
be modified?
❍
A.
/dev/console
❍
B.
/etc/passwd
❍
C.
/etc/default/login
❍
D.
/etc/default/su
The correct answer is C. Answer A is the pathname for the console. Answer
B is the password file, and answer D is the file that controls the behavior of
the
su
command.
Question 5
Which command shows all the users who are currently logged into the system?
[Select all that apply.]
❑
A.
who
❑
B.
last
❑
C.
whodo
❑
D.
id
The correct answers are A, B, and C. Answer D shows the real and effective
UID, GID, and groups for a specified user account.