WGU C191 Retest Placement test Exam Questions with complete solutions 2024/2025
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WGU C191
WGU C191 Retest Placement test Exam Questions with complete solutions 2024/2025
Which component is associated with the paging scheme? - correct answer Frames
Which solution resolves slow access time to user memory location when implementing paging? - correct answer Using the translation look-...
which component is associated with the paging sche
which component ensures the integrity of memory in
what is a non self modifying code that never chang
what is the purpose of an inverted page table
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WGU C191 Retest Placement test Exam
Questions with complete solutions
2024/2025
Which component is associated with the paging scheme? - correct answer Frames
Which solution resolves slow access time to user memory location when implementing
paging? - correct answer Using the translation look-aside buffer (TLB)
Which component ensures the integrity of memory in a paged environment? - correct
answer Protection bits
What is a non-self-modifying code that never changes during execution? - correct
answer Reentrant
What is the purpose of an inverted page table? - correct answer It reduces memory
usage to store addresses.
What is a benefit of using virtual memory? - correct answer System libraries can be
shared.
Which algorithm has the lowest possible page-fault rate and does not suffer from
Belady's anomaly? - correct answer Optimal
Which collection of pages references the most recent set of delta parameters (Δ)? -
correct answer The working set
In Windows, what represents the shared-memory object that will enable communication
between processes? - correct answer A memory-mapped file
, Which strategy for assigning kernel memory uses cache to refer to a set of one or more
physically contiguous pages that serve for each unique kernel? - correct answer Slab
allocation
What is a scheme used to help free up space (i.e. garbage collection)? - correct
answer Least frequently used (LFU)
What will collect free space (i.e., garbage collection) together to provide more usable
space? - correct answer Compaction
What is the smallest unit of data transfer in a physical hard disk drive? - correct answer
Block
How is the array of logical blocks mapped onto the hard disk? - correct answer Onto
the sectors of the disk sequentially
What is the average latency of a typical hard disk? - correct answer 3 milliseconds
What is the rate at which data flows from the hard disk to the computer? - correct
answer Transfer
What is a benefit of creating a separate raw partition for use as swap space? - correct
answer It is optimized for speed of access.
What is a stored data condition that can prevent other processes from gaining access to
it? - correct answer File locking
Which access type is used when speed is important in linked allocation files? - correct
answer Sequential access
How do code editors and code compilers usually access files? - correct answer
Sequential access
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