linux+ Ch.10 HW

UIDs and GIDs are unique to the system and once used can never be reused. True or False?

false

​Along with a listing of user accounts, the /etc/passwd file also contains information on account expiry. True or False?

false

What is the name of the utility used to rotate log files?

logrotate** jetpack syslog logbackup

Which command can be used to send a print job to the default printer named Printer1? (Choose all that apply.)

lp Printer1 file lp -d Printer1 file** lp -m Printer1 file lp file**

Which command can be used to alter the primary group associated with a given user temporarily?

newgrp** usermod chggrp gpasswd

​Which command would you use to unlock a user account?

open username useradd -U username usermod -U username** unlock username

​The process of sending print jobs from the print queue to the printer is called?

redirecting printing** queuing spooling

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

section, priority process, degree service, precedents facility, priority**

Most log files on the system are found in which directory?

/etc/logfiles /var/log** /dev/log /etc/log

Which file contains default information such as UID and GID ranges and minimum password length to be used at user creation?

/etc/login.defs** /etc/default/useradd /etc/skel /etc/passwd

​What is the name of the file that contains a listing of all users on the system and their home directories?

/etc/password /etc/users /etc/shadow /etc/passwd**

What is the name used to describe a user providing a user name and password to log in to a system?

authentication** validation login authorization

What command can you use to view journald log entries on a system that uses Systemd?

catlog less syslog journalctl**

​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 is used to delete a user account?

userdel username** del username usermaod -d username rm username

Which command can you use to lock a user account?

usermod -L username** useradd -L username secure username lock username

​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?

​cancel -u Printer1-17 Printer1-21 ​cancel Printer1-17 Printer1-21** ​cancel -a Printer1-17 Printer1-21 cancel 17 21

When a printer is disabled, ________.

​the print queue redirects all print jobs sent to it to /dev/null ​the print queue does accept jobs into the print queue and holds them there until the printer is enabled again** ​the printer appears as off-line when a lp request is sent ​the print queue does not accept jobs and sends a message to the user noting that the printer is unavailable

When a printer is rejecting requests,____________.

​the print queue redirects all print jobs sent to it to /dev/null ​the printer appears as off-line when a lp request is sent ​the print queue does accept jobs into the print queue and holds them there until the printer is accepting requests again ​the print queue does not accept jobs and sends a message to the user noting that the printer is unavailable**