WGU OA D281 Linux Foundations Final Exam: 250 Practice Questions Covering Linux System Architecture, Package Management, GNU Commands, FHS, Shell Scripting, & Administrative Tasks

WGU OA D281 Linux Foundations Final Exam: 250
Practice Questions Covering Linux System
Architecture, Package Management, GNU Commands,
FHS, Shell Scripting, & Administrative Tasks


Feature Details

Course WGU D281 – Linux Foundations

Exam Objective Assessment (OA)

Linux System Architecture (10%), Installation & Package
Key Management (15%), GNU & Unix Commands (35%),
Domains Devices/Filesystems/FHS (20%), Shells/Scripting (10%), User
Interfaces (5%), Administrative Tasks (5%)

Passing
Approximately 80%
Score




SECTION 1: LINUX SYSTEM ARCHITECTURE (Questions 1-30)

1. Linux is an open-source operating system based on which older
operating system?

 A) Windows
 B) macOS
 C) UNIX

, D) DOS

Answer: C. Linux is an open-source operating system based on UNIX and
was written in the C programming language. The Linux kernel was started in
1990 by Linus Torvalds .

2. What is the Linux kernel?

 A) A graphical user interface
 B) The core of the operating system that manages memory, CPU, and
devices
 C) A package manager
 D) A text editor

Answer: B. The kernel is the core of the operating system, responsible for
managing hardware resources including memory, CPU, and devices .

3. What is the role of the kernel in a Linux system?

 A) To provide a graphical user interface
 B) To manage hardware resources and provide services to user-space
applications
 C) To manage software packages
 D) To edit text files

Answer: B. The kernel manages hardware resources (CPU, memory, I/O
devices) and provides services to user-space applications through system
calls .

4. UNIX was developed by AT&T in which decade?

 A) 1960s
 B) 1970s
 C) 1980s
 D) 1990s

, Answer: B. UNIX was developed by AT&T in the 1970s and written in the C
programming language. It is now owned by The Open Group .

5. Which of the following is NOT a component of a Linux distribution?

 A) Linux kernel
 B) Utilities and tools
 C) Microsoft Office suite
 D) Package manager

Answer: C. A distribution bundles the Linux kernel, utilities, tools, and a
package manager. Microsoft Office is proprietary Windows software, not
part of Linux distributions .

6. Which American non-profit organization is devoted to expanding
the range of creative works available for others to build upon legally
and to share?

 A) Open Commons
 B) Open Source Non-Profit
 C) Creative Commons
 D) Free Creative

Answer: C. Creative Commons is an American non-profit organization
devoted to expanding the range of creative works available for others to
build upon legally and to share .

7. What is the first process started by the Linux kernel?

 A) init
 B) systemd
 C) Both A and B (depending on distribution)
 D) bash

Answer: C. PID 1 is the first user-space process. On traditional SysVinit
systems, it is init; on modern systemd-based distributions, it is systemd .

, 8. Which command displays the current kernel version?

 A) uname -r
 B) uname -a
 C) cat /proc/version
 D) All of the above

Answer: D. uname -r shows the kernel release; uname -a shows all system
information; /proc/version also displays kernel version information .

9. Which directory contains device files (e.g., /dev/sda, /dev/tty)?

 A) /dev
 B) /proc
 C) /sys
 D) /etc

Answer: A. /dev contains device special files, managed by udev, that
represent hardware devices .

10. Which directory is a virtual filesystem providing process and
system information in real time?

 A) /proc
 B) /run
 C) /dev/shm
 D) /usr

Answer: A. /proc is a virtual filesystem (procfs) that contains runtime
system information such as CPU, memory, and process details .

11. Which command displays CPU information?

 A) cat /proc/cpuinfo
 B) lscpu
 C) nproc
 D) All of the above