Deck 10: Macos, Linux, and Scripting

Question 1

A system administrator is selecting an operating system for use by the company's research and development team. The team requires an OS that can be easily modified and changed to meet its particular requirements.  
Which of the following operating systems will be the best choice for the users?

A) Windows 10 Enterprise
B) Mac OS X
C) Linux
D) Windows 7 Professional

Answer 1

C

Question 2

A technician is logged in to a Linux computer as johnd and needs to reset group ownership for the file report.txt in the johnd home directory.  
Which of the following commands will perform this function?

A) cd
B) ps
C) chown
D) clear

Answer 2

C

Question 3

In Linux, where are the commands required for system administration stored?

A) /bin
B) /usr
C) /opt
D) /sbin

Answer 3

D

Question 4

A user is complaining about sluggish performance on her Linux system, and the technician suspects a running process is consuming excessive processor resources.  
Which of the following commands will the technician most likely use to locate the offending process?

A) dd
B) kill
C) ps
D) vi

Question 5

A Mac computer is reporting problems with the HDD, and the user wants to run a check for errors.   
Which of the following is a disk management tool built into macOS that is useful for finding and repairing disk problems?

A) macOS Recovery
B) First Aid
C) Time Machine
D) grep

Question 6

Which of the following describes the macOS feature that lets you use finger motions to perform functions, for example, spreading two fingers to zoom in?

A) Gestures
B) Snapshots
C) Spotlight
D) Finder

Question 7

A technician is logged in to a Linux system with a user account that has been assigned root privileges. Each time the technician attempts to run a specific terminal command, a "Permission denied" message is displayed.   
What is the most likely reason for this message?

A) The software repository is out of date and needs to be updated.
B) The command syntax needs to be verified.
C) The user account is not assigned a password.
D) The command needs to be preceded by sudo.

Question 8

What is the term used to designate that a particular operating system will no longer be supported by its manufacturer or managing entity?

A) Distro
B) End-of-life
C) Force Quit
D) Forced kill

Question 9

Which of the following are natively supported by the Windows, Mac, and Linux operating systems?

A) Support for reading and writing to APFS volumes
B) Support for reading and writing to NTFS partitions
C) Support for reading and writing to ext4 volumes
D) Support for reading and writing to FAT32 partitions

Question 10

A Linux user needs to find all instances of the word admin in /var/log/auth.log.  
Which of the following commands will perform this function?

A) grep
B) ls
C) rm
D) cp
E) apt-get

Question 11

Which of the following is a major advantage to using SSH over Telnet for remotely accessing a Linux system?

A) Telnet does not have a common TCP port assignment, SSH does.
B) SSH uses much less bandwidth to perform the same functions as Telnet.
C) SSH is a secure, encrypted alternative to Telnet.
D) Telnet is not available for use by Linux systems.

Question 12

Which of the following best describes a variable when implemented in a script?

A) A portion of a script that executes multiple times until a condition is met.
B) A container for storing data values that can be assigned, referenced, and manipulated.
C) A line or portion of a script that the interpreter does not process.
D) The part of a filename used to designate a file's association with a particular script language.

Question 13

A technician needs to boot macOS over the network using an image stored on a server.  
What Apple technology will best assist the technician?

A) Swap partition
B) NetBoot
C) HFS+
D) Key Chain

Question 14

A technician wants to use a Time Machine backup to install a new copy of the macOS onto a Mac.   
Which of the following tools will the technician use to perform this task?

A) Disk Utility
B) Boot Camp
C) macOS Recovery
D) Mission Control

Question 15

How can you eliminate the need to open a dedicated TCP port on your corporate firewall when using Mac computers to share screens from the local and remote computers?

A) Use a third-party remote access app that uses a browser.
B) Enable Remote Disc on both computers.
C) Disable encryption on both ends of the Screen Sharing session.
D) Enable the Screen Sharing service in the Sharing window.

Question 16

A Mac user wants to update macOS and is searching Apple.com to locate update files.  
How are macOS updates typically obtained?

A) Updates are found in the App Store.
B) macOS does not require or utilize updates.
C) Updates are downloaded through Time Machine.
D) A manual update of macOS is not possible.

Question 17

Which of the following is the current Linux file system used to hold the operating system?

A) APFS
B) ext3 ​
C) NTFS
D) ext4 ​

Question 18

You opened a batch file in Notepad and are observing the following lines. (The line numbers are for reference only.)  
1-ECHO This batch file deletes the temp files
2- DEL %TEMP%\*.* /Q
3-REM The temp files were deleted
4-PAUSE
Which of the lines is a comment?

A) Line 1
B) Line 2
C) Line 3
D) Line 4
E) There are no comments in this file.

Question 19

What is the value of X and what is the condition of the Do…Loop when execution ends in the following pseudo code?  
X = 1
Do
                ' This is a comment
                Print X;
Loop

A) X = 1, the Do…Loop is endless.
B) X = 1, the Do…Loop is not endless.
C) X = 0, the Do…Loop is endless.
D) X = 0, the Do…Loop is not endless.

Question 20

What is the value of X when execution ends in the following pseudocode?  
Set X As Integer
For X = 100 to 0 Step -1
               ' This is a comment
Next X
X = 100

A) 0
B) 100
C) 1
D) -1

Question 22

Which of the following are closed source, proprietary operating systems? (Select TWO.)

A) Mac OS X High Sierra
B) openSUSE Linux
C) Ubuntu Linux
D) Windows 10 Home

Question 24

A bootable Linux USB flash drive or CD that can be used to repair system issues is known by what term, respectively?

A) Live USB or CD
B) Repair USB or CD
C) Boot USB or CD
D) Supplemental OS