6/4/25, 2:31 AM D686 OA
WGU D686 OA | Objective Assessment | Questions and
Answers | 2025 Update | 100% Correct.
Correct
Incorrect
WGU D686 OA
250 Correct terms
Questions and answers
language directly, bypassing the
interaction with software and
hardware.
user errors before executing any
,6/4/25, 2:31 AM D686 OA
2 of 250
Term
What is a disadvantage of contiguous allocation for file storage?
Give this one a go later!
High overhead Complex implementation
Slow access time External fragmentation
Don't know?
3 of 250
Term
What is the role of protection domains in an operating system?
Give this one a go later!
To organize resources and
To provide a user-friendly interface
enforce access control
To manage user sessions and To handle system processes and
credentials manage memory
Don't know?
,6/4/25, 2:31 AM D686 OA
4 of 250
Term
Which advantage does the EXT4 file system have over EXT3?
Give this one a go later!
Improved performance Increased journaling capabilities
Enhanced compatibility with older
Simplified user interface
hardware
Don't know?
5 of 250
Term
Which device controller is installed in a host bus port to allow the
connection of devices to the host?
Give this one a go later!
Host bus adapter (HBA) Port
Memory-mapped I/O Interrupt
Don't know?
, 6/4/25, 2:31 AM D686 OA
6 of 250
Term
Which benefit do multiprocessor systems provide over single-
processor systems?
Give this one a go later!
Increased throughput and Simplified debugging and system
efficiency for tasks verification processes
Lower power consumption for Reduced need for error detection
individual tasks services
Don't know?
7 of 250
Term
Which state is a process when it is paused and is not currently being
executed?
Give this one a go later!
Terminated Waiting
Running New
Don't know?
WGU D686 OA | Objective Assessment | Questions and
Answers | 2025 Update | 100% Correct.
Correct
Incorrect
WGU D686 OA
250 Correct terms
Questions and answers
language directly, bypassing the
interaction with software and
hardware.
user errors before executing any
,6/4/25, 2:31 AM D686 OA
2 of 250
Term
What is a disadvantage of contiguous allocation for file storage?
Give this one a go later!
High overhead Complex implementation
Slow access time External fragmentation
Don't know?
3 of 250
Term
What is the role of protection domains in an operating system?
Give this one a go later!
To organize resources and
To provide a user-friendly interface
enforce access control
To manage user sessions and To handle system processes and
credentials manage memory
Don't know?
,6/4/25, 2:31 AM D686 OA
4 of 250
Term
Which advantage does the EXT4 file system have over EXT3?
Give this one a go later!
Improved performance Increased journaling capabilities
Enhanced compatibility with older
Simplified user interface
hardware
Don't know?
5 of 250
Term
Which device controller is installed in a host bus port to allow the
connection of devices to the host?
Give this one a go later!
Host bus adapter (HBA) Port
Memory-mapped I/O Interrupt
Don't know?
, 6/4/25, 2:31 AM D686 OA
6 of 250
Term
Which benefit do multiprocessor systems provide over single-
processor systems?
Give this one a go later!
Increased throughput and Simplified debugging and system
efficiency for tasks verification processes
Lower power consumption for Reduced need for error detection
individual tasks services
Don't know?
7 of 250
Term
Which state is a process when it is paused and is not currently being
executed?
Give this one a go later!
Terminated Waiting
Running New
Don't know?
