Guide to Linux+ (2nd Edition) ISBN 0-619-21621-2 End of Chapter 11 Solutions

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Chapter 11 Solutions
Review Questions
1. The process of sending print jobs from the print queue to the printer is called?
a. spooling
b. queuing
c. redirecting
d. printing

2. You can clear a log file simply by redirecting nothing in to it. True or False?

3. 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

4. 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

5. Which command can you use to lock a user account?
a. lock username
b. secure username
c. usermod –L username
d. useradd –L username

6. Which command can be used to alter the primary group associated with a given user temporarily?
a. usermod
b. chggrp
c. gpasswd
d. newgrp

7. 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

8. 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

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

10. What is the name of the utility used to rotate log files?
a. syslog
b. jetpack
c. logrotate
d. logbackup

11. You can lock a user account by changing the default login shell to an invalid shell in /etc/passwd. True or False?

12. 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

13. When referring to the /etc/syslog.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

14. Most log files on the system are found in which directory?
a. /etc/logfiles
b. /etc/log
c. /var/log
d. /dev/log

15. 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

16. What is the background process responsible for printing on Red Hat Fedora Linux?
a. lp
b. cupsd
c. lpd
d. lpstat

17. Which command would you use to unlock a user account?
a. unlock username
b. open username
c. usermod –U username
d. useradd –U username

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

19. 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

20. Which command is used to delete a user account?
a. usermod –d username
b. del username
c. userdel username
d. rm username

Project 11-1
Project 11-2
Project 11-3
Project 11-4
Project 11-5
Project 11-6
Project 11-7
Project 11-8

Discovery Exercises
Discovery Exercise 1
Discovery Exercise 2
Discovery Exercise 3
Discovery Exercise 4
Discovery Exercise 5
Discovery Exercise 6

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