Chapter 10 Questions

You can clear a log file simply by redirecting nothing into it. True or False? 1. True 2. False

Answer: 1. True

You can lock a user account by changing the default login shell to an invalid shell in /etc/passwd. True or False? 1. True 2. False

Answer: 1. True

Which command can you use to lock a user account? 1. Usermod -L username 2. useradd -L username 3. Secure username 4. Lock username

Answer: 1. Usermod -L username

What command can you use to view journald log entries on a system that uses Systemd? 1. journalctl 2. less 3. catlog 4. syslog

Answer: 1. journalctl

Along with a listing of user accounts, the /etc/passwd file contains information on account expiry. True or False? 1. True 2. False

Answer: 2. False

When a printer is rejecting requests,____________. 1. The printer queue redirects all print jobs sent to it to /dev/null 2. The printer appears as offline when an Ip request is sent 3. The print queue does accept jobs into the print queue and holds them there until the printer is accepting requests again 4. The print queue does not accept jobs and sends a message to the user noting that the printer is unavailable

Answer: 4. The print queue does not accept jobs and sends a message to the user noting that the printer is unavailable

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? 1. cancel -a Printer1-17 Printer 1-21 2. cancel 17 21 3. cancel -u Printer1-17 Printer1-21 4. cancel Printer1-17 Printer1-21

Answer: 4. cancel Printer1-17 Printer1-21

Which command would you use to unlock a user account? 1. passwd -u username 2. open username 3. unlock username 4. useradd -U username

Answer: 1. passwd -u username

Which file contains default information such as UID and GID ranges and minimum password length to be used at user creation? 1. /etc/skel 2. /etc/login.defs 3. /etc/passwd 4. /etc/default/useradd

Answer: 2. /etc/login.defs

What is the name of the file that contains a listing of all users on the system and their home directories? 1. /etc/shadow 2. /etc/passwd 3. /etc/users 4. /etc/password

Answer: 2. /etc/passwd

What is the term used to describe a user providing a username and password to log in to a system? 1. Validation 2. Authentication 3. Authorization 4. Login

Answer: 2. Authentication

UIDs and GIDs are unique to the system and, once used, can never be reused. True or False? 1. True 2. False

Answer: 2. False

Which command can be used to send a print job to the default printer named Printer1? (Choose all that apply.) 1. IP -m Printer1 file 2. IP -d Printer1 file 3. Ip file 4. Ip Printer1 file

Answer: 2. IP -d Printer1 file 3. Ip file

The process of sending print jobs from the print queue to the printer is called _____. 1. Redirecting 2. Printing 3. Queuing 4. Spooling

Answer: 2. Printing

Which command can be used to temporarily alter the primary group associated with a given user? 1. gpasswd 2. newgrp 3. usermod 4. chggrp

Answer: 2. newgrp

Which command is used to delete a user account? 1. usermod -d username 2. userdel username 3. del username 4. rm username

Answer: 2. userdel username

Most log files on the system are found in which directory? 1. /dev/log 2. /etc/logfiles 3. /var/log 4. /etc/log

Answer: 3. /var/log

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. 1. process, degree 2. service, precedents 3. facility, priority 4. section, priority

Answer: 3. facility, priority

What is the name of the utility used to rotate log files? 1. syslog 2. logbackup 3. logrotate 4. jetpack

Answer: 3. logrotate

When a printer is disabled, ________. 1. The print queue does not accept jobs and sends a message to the user noting that the printing is unavailable 2. The printer appears as offline when an IP request is sent 3. The print queue redirects all print jobs sent to it to /dev/null 4. The print queue accepts jobs into the print queue and holds them there until the printer is enabled again

Answer: 4. The print queue accepts jobs into the print queue and holds them there until the printer is enabled again