Linux Ch. 10
You can clear a log file simply by redirecting nothing in to it. (True or False?)
True
You can lock a user account by changing the default login shell to an invalid shell in /etc/passwd. (True or False?)
True
Which command can be used to send a print job to the default printer named Printer1? (Choose all that apply.) a.) lp -d Printer1 file b.) lp Printer1 file c.) lp file d.) lp -m Printer1 file
a.) lp -d Printer1 file c.) lp file
When a printer is rejecting requests,____________. a.) the print queue does not accept jobs and sends a message to the user noting that the printer is unavailable b.) the print queue does accept jobs into the print queue and holds them there until the printer is accepting requests again c.) the printer appears as off-line when a lp request is sent d.) the print queue redirects all print jobs sent to it to /dev/null
a.) the print queue does not accept jobs and sends a message to the user noting that the printer is unavailable
Which file contains default information such as UID and GID ranges and minimum password length to be used at user creation? a.) /etc/skel b.) /etc/passwd c.) /etc/login.defs d.) /etc/default/useradd
c.) /etc/login.defs
Along with a listing of user accounts, the /etc/passwd file also contains information on account expiry. (True or False?)
False
UIDs and GIDs are unique to the system and once used can never be reused. (True or False?)
False
The process of sending print jobs from the print queue to the printer is called? a. spooling b. queuing c. redirecting d. printing
d. printing
When referring to the /etc/rsyslog.conf file, __________ specifies information from a certain area of the system, whereas ________ is the level of importance of that information. a.) section, priority b.) service, precedents c.) process, degree d.) facility, priority
d.) facility, priority
Which command can be used to alter the primary group associated with a given user temporarily? a.) usermod b.) chggrp c.) gpasswd d.) newgrp
d.) newgrp
What is the name of the file that contains a listing of all users on the system and their home directories? a.) /etc/passwd b.) /etc/users c.) /etc/shadow d.) /etc/password
a.) /etc/passwd
You use lpstat and determine that a user named User1 has placed two large print jobs in the queue for Printer1 that have yet to start printing. They have print job IDs of Printer1-17 and Printer1-21, respectively. Which command would you use to remove these two jobs from the print queue? a.) cancel Printer1-17 Printer1-21 b.) cancel -u Printer1-17 Printer1-21 c.) cancel -a Printer1-17 Printer1-21 d.) cancel 17 21
a.) cancel Printer1-17 Printer1-21
When a printer is disabled, ________. a.) the print queue does not accept jobs and sends a message to the user noting that the printer is unavailable b.) the print queue does accept jobs into the print queue and holds them there until the printer is enabled again c.) the printer appears as off-line when a lp request is sent d.) the print queue redirects all print jobs sent to it to /dev/null
b. the print queue does accept jobs into the print queue and holds them there until the printer is enabled again
What is the name used to describe a user providing a user name and password to log in to a system? a.) validation b.) authorization c.) login d.) authentication
b.) authorization
What is the background process responsible for printing on Fedora Linux? a.) lp b.) cupsd c.) lpd d.) lpstat
b.) cupsd
Most log files on the system are found in which directory? a.) /etc/logfiles b.) /etc/log c.) /var/log d.) /dev/log
c.) /var/log
What is the name of the utility used to rotate log files? a.) syslog b.) jetpack c.) logrotate d.) logbackup
c.) logrotate
Which command is used to delete a user account? a.) usermod -d username b.) del username c.) userdel username d.) rm username
c.) userdel username
Which command can you use to lock a user account? a.) lock username b.) secure username c.) usermod -L username d.) useradd -L username
c.) usermod -L username
Which command would you use to unlock a user account? a.) unlock username b.) open username c.) usermod -U username d.) useradd -U username
c.) usermod -U username
