Hardware and Operating Systems Essentials - D386 Actual Exam Comprehensive Questions (Frequently Tested) and Complete Solutions Graded A+

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Hardware and Operating Systems Essentials - D386
ACTUAL EXAM/ WGU D386 HARDWARE AND OPERATING SYSTEM
ACTUAL OBJECTIVE ASSESSMENT EXAM 2026/2027 COMPLETE
ACCURATE EXAM REAL QUESTIONS AND CORRECT VERIFIED
ANSWERS (A NEW UPDATED VERSION)




What is a disadvantage of solid-state drives (SSD) when compared
to hard disk drives (HDD)?


ANSWERS: Longevity


How do computers avoid burdening the main central processing unit
(CPU) with programmed I/O (PIO)?


ANSWERS: By offloading to a direct-memory-access (DMA)
controller

Which problem is managed by implementing a file system?


ANSWERS: Logical structure for organizing and storing files on a
storage device

What is the primary function of the file system interface?


ANSWERS: To provide a way for the system to access and use files



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Which chipset is a set of circuitry that provides support to the
slower onboard peripherals?


ANSWERS: Southbridge


Which cache memory is the smallest but fastest?


ANSWERS: L1


Which memory type is stored on a drive and is referred to as a paging
file?


ANSWERS: Virtual RAM

Which memory type is characterized by its independence from the
CPU's external clock?


ANSWERS: Asynchronous DRAM


Which memory type shares a common clock signal with the
computer's system-bus clock?


ANSWERS: Synchronous DRAM


Which cloud feature allows different types of clients and devices
to access the resources?


ANSWERS: Broad network access
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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?


ANSWERS: Virtual sandbox

What is another term for a type 1 hypervisor?


ANSWERS: 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?


ANSWERS: Availability

Which automatic configuration process occurs when a
Windows-based dynamic host configuration protocol (DHCP)
client is unable to reach a DHCP server?


ANSWERS: Automatic private IP addressing (APIPA)


Which Windows tool is referred to as a centralized authentication
server?


ANSWERS: DomainDownloaded
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Which device offers passive protection against attacks on
network- and cloud-based resources?


ANSWERS: Intrusion detection system (IDS)


Which networking solution helps to distribute the traffic across
multiple servers capable of fulfilling the same tasks?


ANSWERS: Load balancing


Which server makes requests for resources on behalf of a client?


ANSWERS: Proxy server


What is the top of the reconfigurable computing software pyramid?


ANSWERS: Scripting


Which type of programming language is compiled?


ANSWERS: Java and C/C++


Which component implements decision-making in the programming
logic in an application?


ANSWERS: Branching

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