When Things Go Wrong Chapter 5 Test Bank

Linux Essentials for Cybersecurity (Rothwell/Kinsey)

Chapter 5 When Things Go Wrong

1) Which of the following is the first step to take when troubleshooting a problem with a Linux system?

A) Document the actions you plan to perform to solve the problem before taking any action.

B) Perform only the documented actions to solve the problem.

C) Gather all relevant information related to the problem.

D) Determine the most likely cause of the problem.

2) Which of the following is the most commonly overlooked step in the process of troubleshooting a problem with a Linux system?

A) Document the actions you plan to perform to solve the problem before taking any action.

B) Perform only the documented actions to solve the problem.

C) Gather all relevant information related to the problem.

D) Determine the most likely cause of the problem.

3) Which of the following methods can be used to help determine the likely cause of a problem with a Linux system?

A) Researching your problem on Linux forum sites

B) Contacting your system administrator and asking for advice

C) Reading documentation, such as man and info pages

D) All of the above

4) In relation to the steps for troubleshooting a problem with a Linux system, what does POA stand for?

A) Process of action

B) Plan of attack

C) Process of attack

D) Plan of action

5) Which of the following is not something to consider when planning how you will perform the documentation step when troubleshooting a problem with a Linux system?

A) How can I ensure the documentation will be easy to retrieve and reference?

B) How can I make the process easy?

C) What tools are available?

D) Did I get the output that I expected?

6) Which of the following is the last step to take when troubleshooting a problem with a Linux system?

A) Store the documentation that you created.

B) Determine if the problem has been correctly solved.

C) Consider what you can do to prevent this problem from happening in the future.

D) Perform only the documented actions to solve the problem.

7) Which of the following files contains information on the OS name and the kernel version of Linux that displays before the prompt in a command-line interface?

A) /etc/name

B) /etc/issue

C) /etc/kernel

D) /etc/status

8) Which of the following special values for the /etc/issue file displays the baud rate, which is the speed of the connection?

A) \b

B) \r

C) \B

D) \R

9) Which of the following special values for the /etc/issue file displays the number of users that are currently logged in to the system?

A) \m

B) \u

C) \v

D) \n

10) If a user logs in via a remote system command-line login, you can display a message by placing information in which of the following files?

A) /etc/issue

B) /etc/ssh

C) /etc/ssh/sshd_config

D) /etc/issue.net

11) While using a GUI-based login, which of the following keyboard shortcuts is most likely to enable you to access a command-line login?

A) Ctrl+Alt+F1

B) Ctrl+Alt+F7

C) Ctrl+Alt+F2

D) Ctrl+Alt+F9

12) Which of the following is not true regarding security issues for pre-login messages?

A) Noting that the system is proprietary and contains confidential information is usually sufficient for a pre-login message.

B) You should consider not allowing telnet connections because of security issues.

C) It is considered a good idea to provide system information via a pre-login message on remote connections.

D) If you do not have a good reason for displaying pre-login information, you should not display it.

13) When a distribution uses an FTP server such as the vsftpd server, which of the following files do you modify for pre-login messages?

A) /etc/gdm/custom.conf

B) /etc/gdm/gdm.conf-custom

C) /usr/libexec/gdmlogin

D) /etc/vsftpd/vsftpd.conf

14) When using GDM as the GUI login manager, which of the following files do you modify for pre-login messages in a Red Hat-based system?

A) /etc/gdm/custom.conf

B) /etc/gdm/gdm.conf-custom

C) /usr/libexec/gdmlogin

D) /etc/vsftpd/vsftpd.conf

15) When using GDM as the GUI login manager, which of the following files do you modify for pre-login messages in a Debian-based system?

A) /etc/gdm/custom.conf

B) /etc/gdm/gdm.conf-custom

C) /usr/libexec/gdmlogin

D) /etc/vsftpd/vsftpd.conf

16) What might want to place in the /etc/motd file?

A) System updates

B) Pre-login message

C) User passwords

D) A friendly welcome message

17) Which of the following is another term for a pre-login message?

A) Banner

B) Greeter

C) Both A and B

D) Neither A nor B

18) Which of the following files can be edited to display a post-login message in a command-line interface?

A) /etc/motd

B) /etc/issue

C) /etc/issue.net

D) /motd/etc

19) The wall command used to broadcast urgent real-time messages on a system is limited to how many lines of text?

A) 5

B) 10

C) 15

D) 20

20) Which of the following options for the shutdown command is used to send a wall message stating that the system will be shutting down?

A) -h

B) -c

C) -k

D) -r