WGU D075 Information Technology Management Exam Actual Exam
2026/2027 – Complete Exam-Style Questions with Detailed Rationales | 100%
Verified – Pass Guaranteed A+
EXAM INFORMATION
Total Questions: 50
Recommended Time: 75 Minutes
Passing Threshold: 75%
Exam Format: Multiple Choice Questions (MCQs)
Question Style: Scenario-Based, Applied, and Professional Decision-Making Questions
Difficulty Level: Dynamically Determined Based on Exam Scope
==============================
SECTION 1: Information Technology Fundamentals and Infrastructure
Question 1: Which observation about computing technology states that the number of
transistors on a microchip doubles approximately every two years, leading to
exponential growth in processing power?
A. Metcalfe's Law regarding network value
B. Moore's Law regarding transistor density
C. Amdahl's Law regarding parallel computing
D. Parkinson's Law regarding work expansion
Correct Answer: B
Rationale: Moore's Law, named after Gordon Moore, co-founder of Intel, observes that
the number of transistors on integrated circuits doubles approximately every 18 to 24
months. This exponential growth has historically led to corresponding increases in
computing power, decreases in cost per transistor, and the rapid advancement of digital
,technology. Metcalfe's Law addresses network value, Amdahl's Law addresses parallel
processing limitations, and Parkinson's Law is unrelated to computing hardware.
Question 2: A mid-sized retail company is evaluating its IT infrastructure. The Chief
Information Officer explains that the central processing unit performs arithmetic
operations, logical comparisons, and controls the sequencing of instructions. Which
hardware component is being described?
A. Random Access Memory
B. Solid State Drive
C. Central Processing Unit
D. Graphics Processing Unit
Correct Answer: C
Rationale: The Central Processing Unit (CPU) is often described as the brain of the
computer. It performs arithmetic calculations, logical comparisons, and controls
instruction sequencing through its control unit, arithmetic logic unit, and registers. RAM
provides temporary storage, SSDs provide persistent storage, and GPUs specialize in
parallel processing for graphics and computational tasks. The description specifically
matches CPU functionality.
Question 3: Which category of software is designed to manage and control computer
hardware so that application software can perform its tasks, including operating
systems, device drivers, and utility programs?
A. Application software
B. System software
C. Productivity software
D. Embedded software
Correct Answer: B
,Rationale: System software serves as the intermediary between hardware and
application software. It includes operating systems (Windows, Linux, macOS), device
drivers that enable hardware communication, and utility programs that maintain system
performance. Application software performs specific user tasks (word processing,
spreadsheets), productivity software is a subset of applications, and embedded
software runs on specialized hardware devices. The description of managing hardware
for application support defines system software.
Question 4: A network administrator needs to segment a local area network to reduce
collision domains and improve performance by forwarding data only to the specific
device port rather than broadcasting to all connected devices. Which network device
should be implemented?
A. Hub
B. Switch
C. Router
D. Modem
Correct Answer: B
Rationale: A switch operates at the data link layer (Layer 2) of the OSI model and
forwards data frames to specific MAC addresses rather than broadcasting to all ports.
This reduces collision domains and improves network efficiency. A hub broadcasts all
data to every connected device, creating a single collision domain. A router operates at
the network layer (Layer 3) and forwards packets between networks. A modem
modulates and demodulates signals for internet connectivity. The requirement for
port-specific forwarding describes a switch.
Question 5: Which type of computer system is characterized by massive processing
power, large physical footprint, specialized environmental requirements, and is typically
, employed by large organizations for high-volume transaction processing such as
banking and airline reservations?
A. Personal computer
B. Midrange computer
C. Mainframe computer
D. Supercomputer
Correct Answer: C
Rationale: Mainframe computers are large, powerful systems designed for high-volume,
mission-critical transaction processing. They feature massive I/O capabilities, support
thousands of concurrent users, require specialized cooling and power systems, and are
used extensively in banking, insurance, government, and airline industries. Personal
computers serve individual users, midrange computers (minicomputers) handle
medium-scale workloads, and supercomputers are optimized for complex scientific
calculations rather than transaction processing.
Question 6: An organization is designing its IT infrastructure and must consider the six
major components that comprise a complete information technology system. Which of
the following represents the complete set of these six components?
A. Hardware, software, networks, data, people, and processes
B. Servers, workstations, routers, cables, databases, and applications
C. CPUs, memory, storage, input devices, output devices, and motherboards
D. Cloud platforms, mobile devices, IoT sensors, APIs, containers, and virtual machines
Correct Answer: A
Rationale: The six major components of an IT infrastructure are hardware (physical
devices), software (programs and applications), networks (communication pathways),
data (information assets), people (users and IT professionals), and processes
(procedures and workflows). These components work together to create a complete
information system. The other options list subsets of hardware, specific technologies,
2026/2027 – Complete Exam-Style Questions with Detailed Rationales | 100%
Verified – Pass Guaranteed A+
EXAM INFORMATION
Total Questions: 50
Recommended Time: 75 Minutes
Passing Threshold: 75%
Exam Format: Multiple Choice Questions (MCQs)
Question Style: Scenario-Based, Applied, and Professional Decision-Making Questions
Difficulty Level: Dynamically Determined Based on Exam Scope
==============================
SECTION 1: Information Technology Fundamentals and Infrastructure
Question 1: Which observation about computing technology states that the number of
transistors on a microchip doubles approximately every two years, leading to
exponential growth in processing power?
A. Metcalfe's Law regarding network value
B. Moore's Law regarding transistor density
C. Amdahl's Law regarding parallel computing
D. Parkinson's Law regarding work expansion
Correct Answer: B
Rationale: Moore's Law, named after Gordon Moore, co-founder of Intel, observes that
the number of transistors on integrated circuits doubles approximately every 18 to 24
months. This exponential growth has historically led to corresponding increases in
computing power, decreases in cost per transistor, and the rapid advancement of digital
,technology. Metcalfe's Law addresses network value, Amdahl's Law addresses parallel
processing limitations, and Parkinson's Law is unrelated to computing hardware.
Question 2: A mid-sized retail company is evaluating its IT infrastructure. The Chief
Information Officer explains that the central processing unit performs arithmetic
operations, logical comparisons, and controls the sequencing of instructions. Which
hardware component is being described?
A. Random Access Memory
B. Solid State Drive
C. Central Processing Unit
D. Graphics Processing Unit
Correct Answer: C
Rationale: The Central Processing Unit (CPU) is often described as the brain of the
computer. It performs arithmetic calculations, logical comparisons, and controls
instruction sequencing through its control unit, arithmetic logic unit, and registers. RAM
provides temporary storage, SSDs provide persistent storage, and GPUs specialize in
parallel processing for graphics and computational tasks. The description specifically
matches CPU functionality.
Question 3: Which category of software is designed to manage and control computer
hardware so that application software can perform its tasks, including operating
systems, device drivers, and utility programs?
A. Application software
B. System software
C. Productivity software
D. Embedded software
Correct Answer: B
,Rationale: System software serves as the intermediary between hardware and
application software. It includes operating systems (Windows, Linux, macOS), device
drivers that enable hardware communication, and utility programs that maintain system
performance. Application software performs specific user tasks (word processing,
spreadsheets), productivity software is a subset of applications, and embedded
software runs on specialized hardware devices. The description of managing hardware
for application support defines system software.
Question 4: A network administrator needs to segment a local area network to reduce
collision domains and improve performance by forwarding data only to the specific
device port rather than broadcasting to all connected devices. Which network device
should be implemented?
A. Hub
B. Switch
C. Router
D. Modem
Correct Answer: B
Rationale: A switch operates at the data link layer (Layer 2) of the OSI model and
forwards data frames to specific MAC addresses rather than broadcasting to all ports.
This reduces collision domains and improves network efficiency. A hub broadcasts all
data to every connected device, creating a single collision domain. A router operates at
the network layer (Layer 3) and forwards packets between networks. A modem
modulates and demodulates signals for internet connectivity. The requirement for
port-specific forwarding describes a switch.
Question 5: Which type of computer system is characterized by massive processing
power, large physical footprint, specialized environmental requirements, and is typically
, employed by large organizations for high-volume transaction processing such as
banking and airline reservations?
A. Personal computer
B. Midrange computer
C. Mainframe computer
D. Supercomputer
Correct Answer: C
Rationale: Mainframe computers are large, powerful systems designed for high-volume,
mission-critical transaction processing. They feature massive I/O capabilities, support
thousands of concurrent users, require specialized cooling and power systems, and are
used extensively in banking, insurance, government, and airline industries. Personal
computers serve individual users, midrange computers (minicomputers) handle
medium-scale workloads, and supercomputers are optimized for complex scientific
calculations rather than transaction processing.
Question 6: An organization is designing its IT infrastructure and must consider the six
major components that comprise a complete information technology system. Which of
the following represents the complete set of these six components?
A. Hardware, software, networks, data, people, and processes
B. Servers, workstations, routers, cables, databases, and applications
C. CPUs, memory, storage, input devices, output devices, and motherboards
D. Cloud platforms, mobile devices, IoT sensors, APIs, containers, and virtual machines
Correct Answer: A
Rationale: The six major components of an IT infrastructure are hardware (physical
devices), software (programs and applications), networks (communication pathways),
data (information assets), people (users and IT professionals), and processes
(procedures and workflows). These components work together to create a complete
information system. The other options list subsets of hardware, specific technologies,
