Cloud Computing MCQs with Answers
Practice important Cloud Computing MCQs with answers and explanations.
Multiple Choice Questions
Q391: Which type of instructions runs in user-mode of the processor?
- A: Critical instructions
- B: Privileged instructions
- C: Non-privileged instructions
- D: All instructions
View Answer
C
Q392: What is CPU virtualization?
- A: The ability to run privileged and non-privileged instructions in user mode
- B: The ability to run only privileged instructions
- C: The ability to increase CPU speed
- D: The ability to virtualize only non-privileged instructions
View Answer
A
Q393: What component of modern x86 CPUs optimizes virtual memory performance?
- A: Translation Lookaside Buffer (TLB)
- B: Cache Memory
- C: Registers
- D: Hypervisor
View Answer
A
Q394: In a virtualization environment, who performs the mapping of physical memory to machine memory?
- A: Guest OS
- B: Hypervisor
- C: CPU
- D: MMU
View Answer
B
Q395: What is one way I/O virtualization is accomplished?
- A: Using a single shared driver
- B: Full device emulation
- C: Only using hardware-based drivers
- D: None of the above
View Answer
B
Q396: In full device emulation, which component interacts with the real device?
- A: Guest OS
- B: Hypervisor
- C: Backend driver
- D: Frontend driver
View Answer
B
Q397: Para-virtualization based I/O requires interaction between which components?
- A: Guest OS and hypervisor
- B: Frontend driver and backend driver
- C: Guest OS and real device
- D: VM and hypervisor
View Answer
B
Q398: What is the primary function of the Memory Management Unit (MMU) in virtualization?
- A: To map virtual memory to physical memory
- B: To manage CPU cycles
- C: To control network access
- D: To execute user applications
View Answer
A
Q399: Which type of virtualization allows VMs to access devices directly?
- A: Full device emulation
- B: Para-virtualization
- C: Direct I/O virtualization
- D: None of the above
View Answer
C
Q400: Memory virtualization traditionally involves the use of _______.
- A: Page tables
- B: Cache memory
- C: Registers
- D: Hypervisors
View Answer
A