WGU - C191 EXAM QUESTIONS WITH
CORRECT SOLUTIONS UPDATED
2025/2026 VERSION||ALREADY
GRADED||100% GUARANTEED
PASS!!!<< BRAND NEW VERSION>>
1. What is the role of the OS? - ANSWER ✓ To manage a computer's
hardware
2. What will collect free space (i.e., garbage collection) together to provide
more usable space? - ANSWER ✓ Compaction
3. What is the smallest unit of data transfer in a physical hard disk drive? -
ANSWER ✓ Block
4. How is the array of logical blocks mapped onto the hard disk? - ANSWER
✓ Onto the sectors of the disk sequentially
5. What is the average latency of a typical hard disk? - ANSWER ✓ 3
milliseconds
6. What is the rate at which data flows from the hard disk to the computer? -
ANSWER ✓ Transfer
7. What is a benefit of creating a separate raw partition for use as swap space? -
ANSWER ✓ It is optimized for speed of access.
8. What is a stored data condition that can prevent other processes from
gaining access to it? - ANSWER ✓ File locking
9. Which access type is used when speed is important in linked allocation files?
- ANSWER ✓ Sequential access
, 10.How do code editors and code compilers usually access files? - ANSWER ✓
Sequential access
11.What are two key types of access permissions? - ANSWER ✓ Append &
List
12.Which mounting model allows a computer to mount file systems from
remote machines? - ANSWER ✓ Client-server
13.What is the I/O bus standard that connects the processor-memory subsystem
to the fast devices? - ANSWER ✓ PCI
14.What is memory-mapped I/O? - ANSWER ✓ Memory addresses reserved
for device registers
15.Which protection goal is achieved by detecting latent errors at the interfaces
between components
16.subsystems? - ANSWER ✓ Improving reliability
17.How can protection improve the reliability of a system? - ANSWER ✓ By
detecting errors at the interfaces between component subsystems
18.What is an example of a policy? - ANSWER ✓ User access
19.How do policies and mechanisms differ? - ANSWER ✓ Policies may
change from place to place whereas mechanisms remain the same.
20.What can be assigned roles when using role-based access control? -
ANSWER ✓ The program & The process
21.Several major retail chains are hacked and customer information is stolen,
including credit card numbers.
22.Which type of attack has occurred? - ANSWER ✓ Breach of confidentiality
23.Which security level is identified by gathering information through
malicious phone calls? - ANSWER ✓ Human
CORRECT SOLUTIONS UPDATED
2025/2026 VERSION||ALREADY
GRADED||100% GUARANTEED
PASS!!!<< BRAND NEW VERSION>>
1. What is the role of the OS? - ANSWER ✓ To manage a computer's
hardware
2. What will collect free space (i.e., garbage collection) together to provide
more usable space? - ANSWER ✓ Compaction
3. What is the smallest unit of data transfer in a physical hard disk drive? -
ANSWER ✓ Block
4. How is the array of logical blocks mapped onto the hard disk? - ANSWER
✓ Onto the sectors of the disk sequentially
5. What is the average latency of a typical hard disk? - ANSWER ✓ 3
milliseconds
6. What is the rate at which data flows from the hard disk to the computer? -
ANSWER ✓ Transfer
7. What is a benefit of creating a separate raw partition for use as swap space? -
ANSWER ✓ It is optimized for speed of access.
8. What is a stored data condition that can prevent other processes from
gaining access to it? - ANSWER ✓ File locking
9. Which access type is used when speed is important in linked allocation files?
- ANSWER ✓ Sequential access
, 10.How do code editors and code compilers usually access files? - ANSWER ✓
Sequential access
11.What are two key types of access permissions? - ANSWER ✓ Append &
List
12.Which mounting model allows a computer to mount file systems from
remote machines? - ANSWER ✓ Client-server
13.What is the I/O bus standard that connects the processor-memory subsystem
to the fast devices? - ANSWER ✓ PCI
14.What is memory-mapped I/O? - ANSWER ✓ Memory addresses reserved
for device registers
15.Which protection goal is achieved by detecting latent errors at the interfaces
between components
16.subsystems? - ANSWER ✓ Improving reliability
17.How can protection improve the reliability of a system? - ANSWER ✓ By
detecting errors at the interfaces between component subsystems
18.What is an example of a policy? - ANSWER ✓ User access
19.How do policies and mechanisms differ? - ANSWER ✓ Policies may
change from place to place whereas mechanisms remain the same.
20.What can be assigned roles when using role-based access control? -
ANSWER ✓ The program & The process
21.Several major retail chains are hacked and customer information is stolen,
including credit card numbers.
22.Which type of attack has occurred? - ANSWER ✓ Breach of confidentiality
23.Which security level is identified by gathering information through
malicious phone calls? - ANSWER ✓ Human
