AND CORRECT ANSWER WITH EXPLANATION GRADED
A+ STUDY GUIDE SOUTHERN NEW HAMPSHIRE
UNIVERSITY
1. Linux is best described as:
A. A hardware device
B. An open-source operating system
C. A programming language
D. A cloud service
Answer: B
Rationale: Linux is an open-source OS.
2. The Linux kernel is:
A. A user application
B. The core of the operating system
C. A file manager
D. A browser
Answer: B
Rationale: Kernel manages system resources.
3. Common Linux distributions include:
A. Windows and macOS
B. Ubuntu and CentOS
C. Chrome and Firefox
D. Oracle and SQL
Answer: B
Rationale: Ubuntu and CentOS are Linux distros.
4. The command to list files in Linux is:
A. show
B. ls
C. list
D. dironly
Answer: B
Rationale: ls displays directory contents.
,5. The command to change directory is:
A. cd
B. chdir
C. move
D. goto
Answer: A
Rationale: cd changes working directory.
6. The command to display current directory is:
A. pwd
B. where
C. path
D. cwd
Answer: A
Rationale: pwd prints working directory.
7. Root user in Linux is:
A. Normal user
B. Administrator with full privileges
C. Guest user
D. Network user
Answer: B
Rationale: Root has full system control.
8. File permissions in Linux control:
A. CPU speed
B. Access to files and directories
C. RAM size
D. Internet speed
Answer: B
Rationale: Permissions regulate access.
9. Linux file permissions are represented by:
A. Numbers only
B. rwx (read, write, execute)
C. IP addresses
D. CPU codes
Answer: B
Rationale: Standard permission format.
, 10. The command to change file permissions is:
A. chmod
B. chfile
C. perm
D. change
Answer: A
Rationale: chmod modifies permissions.
11. The command to change file ownership is:
A. chown
B. owner
C. usermod
D. setuser
Answer: A
Rationale: chown changes owner.
12. The command to view running processes is:
A. tasklist
B. ps
C. run
D. process
Answer: B
Rationale: ps shows processes.
13. The command to kill a process is:
A. stop
B. kill
C. end
D. close
Answer: B
Rationale: kill terminates processes.
14. Package manager in Ubuntu is:
A. yum
B. apt
C. rpm
D. pip
Answer: B
Rationale: apt manages packages.