WGU D386 HARDWARE AND OPERATING SYSTEMS ESSENTIALS
EXAM QUESTIONS AND ANSWERS | VERIFIED AND WELL
DETAILED ANSWERS | LATEST 2026/2027 | GUARANTEED PASS.
What is an example of a Microsoft-based mobile operating system?
Surface Duo
What is a fundamental building block of an operating system that keeps
track of each process in memory, including whether to run it or wait for
some event?
Process control management
What is an example of a server operating system?
Red Hat Enterprise Linux
Which operating system uses the Bourne-Again shell (bash) scripting tool?
Linux
What is an example of a system call used by the POSIX API for
POSIXbased systems running UNIX, Linux, and macOS?
Read ()
Which part of a hard disk drive is responsible for storing actual data?
Platters
What is a disadvantage of solid-state drives (SSD) when compared to hard
disk drives (HDD)?
Longevity
Which problem is managed by implementing a file system? Logical
structure for organizing and storing files on a storage device
What is the primary function of the file system interface?
To provide a way for the system to access and use files
,There are a number of different types of components of a motherboard.
Which motherboard component is used for support of slower onboard
peripherals?
Southbridge
Which chipset is a set of circuitry that provides support to the slower
onboard peripherals?
Southbridge
Which memory type is characterized by its independence from the CPU's
external clock?
Asynchronous DRAM
Which memory type shares a common clock signal with the computer's
system-bus clock?
Synchronous DRAM
What is another term for a type 1 hypervisor?
Bare metal hypervisor
A user is working on a critical mission project and needs to access a system
and network during peak and off-peak hours. Which non-functional
requirement (NFR) addresses the likelihood the system will be accessible to
the user at a specified time within an organization's network?
Availability
Which automatic configuration process occurs when a Windows-based
dynamic host configuration protocol (DHCP) client is unable to reach a
DHCP server?
Automatic private IP addressing (APIPA)
Which Windows tool is referred to as a centralized authentication server?
Domain Controller
Which device offers passive protection against attacks on network- and
cloud-based resources?
Intrusion detection system (IDS)
Which networking solution helps to distribute the traffic across multiple
servers capable of fulfilling the same tasks?
,Load balancing
Which server makes requests for resources on behalf of a client?
Proxy server
Which cache memory is the smallest but fastest?
L1
How do computers avoid burdening the main central processing unit (CPU)
with programmed I/O (PIO)?
By offloading to a direct-memory-access (DMA) controller
Which memory type is stored on a drive and is referred to as a paging file?
Virtual RAM
What is the top of the reconfigurable computing software pyramid?
Scripting
Which type of programming language is compiled?
Java and C/C++
Which component implements decision-making in the programming logic
in an application?
Branching
Which scripting or programming language is considered to be an
objectoriented programming language?
C++
Which cloud feature allows different types of clients and devices to access
the resources?
Broad network access
, Which virtual machine tool involves testing out an application where files
are not saved to the drive or memory and never affect the physical
machine?
Virtual sandbox
Which type of virus intends to make itself difficult to detect or analyze?
Armored virus
Which type of virus exploits those applications that make use of a minibasic
programming language?
Macro virus
Which type of virus changes form to avoid detection?
Polymorphic virus
Which type of malware is referred to as a group of zombies?
Botnet
A video production company needs massive storage but wants to minimize
energy usage. Which network-attached storage (NAS) configuration will
meet the goal?
Installing lower rotational speed disks
The marketing department needs a central storage solution that
automatically scales with their increasing storage needs. Which storage
solution would meet their requirement?
Network-attached storage (NAS)
A user runs two different applications that need 4GB of random access
memory (RAM) each. The operating system (OS) also needs 4GB. What is
the minimum amount of RAM the user's computer should have?
12GB
A computer scientist has a computer with 32GB of random access memory
(RAM), with the OS requiring 2GB. They want to run multiple instances of
a classification algorithm that use 7GB of RAM each. What is the
maximum number of instances that can be run on the computer?
4
EXAM QUESTIONS AND ANSWERS | VERIFIED AND WELL
DETAILED ANSWERS | LATEST 2026/2027 | GUARANTEED PASS.
What is an example of a Microsoft-based mobile operating system?
Surface Duo
What is a fundamental building block of an operating system that keeps
track of each process in memory, including whether to run it or wait for
some event?
Process control management
What is an example of a server operating system?
Red Hat Enterprise Linux
Which operating system uses the Bourne-Again shell (bash) scripting tool?
Linux
What is an example of a system call used by the POSIX API for
POSIXbased systems running UNIX, Linux, and macOS?
Read ()
Which part of a hard disk drive is responsible for storing actual data?
Platters
What is a disadvantage of solid-state drives (SSD) when compared to hard
disk drives (HDD)?
Longevity
Which problem is managed by implementing a file system? Logical
structure for organizing and storing files on a storage device
What is the primary function of the file system interface?
To provide a way for the system to access and use files
,There are a number of different types of components of a motherboard.
Which motherboard component is used for support of slower onboard
peripherals?
Southbridge
Which chipset is a set of circuitry that provides support to the slower
onboard peripherals?
Southbridge
Which memory type is characterized by its independence from the CPU's
external clock?
Asynchronous DRAM
Which memory type shares a common clock signal with the computer's
system-bus clock?
Synchronous DRAM
What is another term for a type 1 hypervisor?
Bare metal hypervisor
A user is working on a critical mission project and needs to access a system
and network during peak and off-peak hours. Which non-functional
requirement (NFR) addresses the likelihood the system will be accessible to
the user at a specified time within an organization's network?
Availability
Which automatic configuration process occurs when a Windows-based
dynamic host configuration protocol (DHCP) client is unable to reach a
DHCP server?
Automatic private IP addressing (APIPA)
Which Windows tool is referred to as a centralized authentication server?
Domain Controller
Which device offers passive protection against attacks on network- and
cloud-based resources?
Intrusion detection system (IDS)
Which networking solution helps to distribute the traffic across multiple
servers capable of fulfilling the same tasks?
,Load balancing
Which server makes requests for resources on behalf of a client?
Proxy server
Which cache memory is the smallest but fastest?
L1
How do computers avoid burdening the main central processing unit (CPU)
with programmed I/O (PIO)?
By offloading to a direct-memory-access (DMA) controller
Which memory type is stored on a drive and is referred to as a paging file?
Virtual RAM
What is the top of the reconfigurable computing software pyramid?
Scripting
Which type of programming language is compiled?
Java and C/C++
Which component implements decision-making in the programming logic
in an application?
Branching
Which scripting or programming language is considered to be an
objectoriented programming language?
C++
Which cloud feature allows different types of clients and devices to access
the resources?
Broad network access
, Which virtual machine tool involves testing out an application where files
are not saved to the drive or memory and never affect the physical
machine?
Virtual sandbox
Which type of virus intends to make itself difficult to detect or analyze?
Armored virus
Which type of virus exploits those applications that make use of a minibasic
programming language?
Macro virus
Which type of virus changes form to avoid detection?
Polymorphic virus
Which type of malware is referred to as a group of zombies?
Botnet
A video production company needs massive storage but wants to minimize
energy usage. Which network-attached storage (NAS) configuration will
meet the goal?
Installing lower rotational speed disks
The marketing department needs a central storage solution that
automatically scales with their increasing storage needs. Which storage
solution would meet their requirement?
Network-attached storage (NAS)
A user runs two different applications that need 4GB of random access
memory (RAM) each. The operating system (OS) also needs 4GB. What is
the minimum amount of RAM the user's computer should have?
12GB
A computer scientist has a computer with 32GB of random access memory
(RAM), with the OS requiring 2GB. They want to run multiple instances of
a classification algorithm that use 7GB of RAM each. What is the
maximum number of instances that can be run on the computer?
4
