1|Page
WGU D386 OBJECTIVE ASSESSMENT AND PA NEWEST 2025/
2026 TEST BANK| D386 HARDWARE AND OPERATING
SYSTEMS ESSENTIALS OA AND PA EXAM WITH COMPLETE
400 REAL EXAM QUESTIONS AND CORRECT VERIFIED
ANSWERS/ ALREADY GRADED A+ (MOST RECENT!!)
What is the term for a computer virus that spreads by attaching itself to
executable files?
a) Worm
b) Trojan horse
c) Boot sector virus
d) File infector virus - Correct Answer -File infector virus
You find a script embedded within a webpage that executes unauthorized
actions in a user's browser. What type of cyberattack is this?
a) Cross-Site Scripting (XSS)
b) SQL Injection
c) Brute Force Attack
d) Man-in-the-Middle (MitM) - Correct Answer -Cross-Site Scripting
(XSS)
A script repeatedly attempts to log in to a user account with various
password combinations. What type of cyberattack is this?
a) SQL Injection
pg. 1
,2|Page
b) Cross-Site Scripting (XSS)
c) Phishing
d) Brute Force Attack - Correct Answer -Brute Force Attack
What is the main advantage of Static RAM (SRAM) over Dynamic
RAM (DRAM)?
a) Lower power consumption
b) Higher storage density
c) Faster access times
d) Cheaper manufacturing cost - Correct Answer -Faster Access Times
Which type of RAM module is commonly used in laptop computers?
a) DIMM
b) RIMM
c) SODIMM
d) LRDIMM - Correct Answer -SODIMM
You notice a script attempting to insert SQL commands into a web form
field. What type of cyberattack is this?
a) SQL Injection
b) Cross-Site Scripting (XSS)
c) Denial of Service (DoS)
d) Man-in-the-Middle (MitM) - Correct Answer -SQL Injection
pg. 2
,3|Page
In the software development process, when is it typically advisable to
conduct regression testing?
a) Before code changes
b) During code reviews
c) After some code changes
d) At the beginning of the project - Correct Answer -After some code
changes
Which type of system is designed to control single pieces of equipment,
such as thermostats, and typically provides a lightweight kernel that runs
on low-powered hardware?
a) Distributed systems
b) Real-time systems
c) Mobile device systems
d) Embedded control systems - Correct Answer -Embedded control
systems
What HTTP status code indicates a successful request?
a) 200 OK
b) 404 Not Found
c) 500 Internal Server Error
d) 302 Found - Correct Answer -200 OK
pg. 3
, 4|Page
Which type of RAM is typically used as cache memory in modern
computer systems?
a) Static RAM (SRAM)
b) Dynamic RAM (DRAM)
c) Synchronous RAM (SyncRAM)
d) Asynchronous RAM (AsyncRAM) - Correct Answer -Static RAM
(SRAM)
Which Python function is commonly used for input validation by
checking the type of user input?
a) eval()
b) isinstance()
c) type()
d) format() - Correct Answer -isinstance()
Which type of software testing involves reusing old test cases to ensure
that previously developed and tested software still performs correctly
after changes?
a) Integration testing
b) Unit testing
c) Regression testing
d) Acceptance testing - Correct Answer -Regression testing
pg. 4
WGU D386 OBJECTIVE ASSESSMENT AND PA NEWEST 2025/
2026 TEST BANK| D386 HARDWARE AND OPERATING
SYSTEMS ESSENTIALS OA AND PA EXAM WITH COMPLETE
400 REAL EXAM QUESTIONS AND CORRECT VERIFIED
ANSWERS/ ALREADY GRADED A+ (MOST RECENT!!)
What is the term for a computer virus that spreads by attaching itself to
executable files?
a) Worm
b) Trojan horse
c) Boot sector virus
d) File infector virus - Correct Answer -File infector virus
You find a script embedded within a webpage that executes unauthorized
actions in a user's browser. What type of cyberattack is this?
a) Cross-Site Scripting (XSS)
b) SQL Injection
c) Brute Force Attack
d) Man-in-the-Middle (MitM) - Correct Answer -Cross-Site Scripting
(XSS)
A script repeatedly attempts to log in to a user account with various
password combinations. What type of cyberattack is this?
a) SQL Injection
pg. 1
,2|Page
b) Cross-Site Scripting (XSS)
c) Phishing
d) Brute Force Attack - Correct Answer -Brute Force Attack
What is the main advantage of Static RAM (SRAM) over Dynamic
RAM (DRAM)?
a) Lower power consumption
b) Higher storage density
c) Faster access times
d) Cheaper manufacturing cost - Correct Answer -Faster Access Times
Which type of RAM module is commonly used in laptop computers?
a) DIMM
b) RIMM
c) SODIMM
d) LRDIMM - Correct Answer -SODIMM
You notice a script attempting to insert SQL commands into a web form
field. What type of cyberattack is this?
a) SQL Injection
b) Cross-Site Scripting (XSS)
c) Denial of Service (DoS)
d) Man-in-the-Middle (MitM) - Correct Answer -SQL Injection
pg. 2
,3|Page
In the software development process, when is it typically advisable to
conduct regression testing?
a) Before code changes
b) During code reviews
c) After some code changes
d) At the beginning of the project - Correct Answer -After some code
changes
Which type of system is designed to control single pieces of equipment,
such as thermostats, and typically provides a lightweight kernel that runs
on low-powered hardware?
a) Distributed systems
b) Real-time systems
c) Mobile device systems
d) Embedded control systems - Correct Answer -Embedded control
systems
What HTTP status code indicates a successful request?
a) 200 OK
b) 404 Not Found
c) 500 Internal Server Error
d) 302 Found - Correct Answer -200 OK
pg. 3
, 4|Page
Which type of RAM is typically used as cache memory in modern
computer systems?
a) Static RAM (SRAM)
b) Dynamic RAM (DRAM)
c) Synchronous RAM (SyncRAM)
d) Asynchronous RAM (AsyncRAM) - Correct Answer -Static RAM
(SRAM)
Which Python function is commonly used for input validation by
checking the type of user input?
a) eval()
b) isinstance()
c) type()
d) format() - Correct Answer -isinstance()
Which type of software testing involves reusing old test cases to ensure
that previously developed and tested software still performs correctly
after changes?
a) Integration testing
b) Unit testing
c) Regression testing
d) Acceptance testing - Correct Answer -Regression testing
pg. 4
