Cloud Computing MCQs with Answers
Practice important Cloud Computing MCQs with answers and explanations.
Chapter: 8
Q381:
What is a characteristic of Monolithic virtualization architecture?
A. Single-layered structure
B. Supports multiple operating systems
C. Requires multiple hypervisors
D. Has no physical hardware abstraction
Correct Answer:
A
Chapter: 8
Q382:
What type of architecture uses a minimal kernel to manage resources?
A. Microkernel
B. Monolithic
C. Generic
D. Hosted
Correct Answer:
A
Chapter: 8
Q383:
Which virtualization architecture requires modifications to the guest OS?
A. Full Virtualization
B. Native Virtualization
C. Para Virtualization
D. Hosted Virtualization
Correct Answer:
C
Chapter: 8
Q384:
What is Native Virtualization Architecture?
A. Virtualization that runs directly on physical hardware without a host OS
B. Virtualization that requires a hypervisor
C. All guest OS run without modification
D. None of the above
Correct Answer:
A
Chapter: 8
Q385:
Which of the following is a characteristic of Microkernel architecture?
A. Minimalist design for resource management
B. Complex and bulky design
C. Only works with specific OS
D. Does not support virtualization
Correct Answer:
A
Chapter: 8
Q386:
What is the main advantage of Full Virtualization?
A. It allows for better performance compared to other types
B. It requires no modifications to the guest OS
C. It is easier to implement than other architectures
D. It uses less hardware resources
Correct Answer:
B
Chapter: 8
Q387:
Which virtualization architecture is known for its ability to run various guest OS types?
A. Hosted Virtualization Architecture
B. Monolithic Architecture
C. Native Virtualization Architecture
D. Para Virtualization Architecture
Correct Answer:
A
Chapter: 8
Q388:
What is a common disadvantage of Monolithic architecture?
A. Complexity in management
B. Flexibility in resource allocation
C. Ease of implementation
D. None of the above
Correct Answer:
A
Chapter: 8
Q389:
What does hardware-assisted virtualization allow the hypervisor to do?
A. Trap sensitive instructions of the guest OS
B. Execute critical instructions
C. Increase the processing speed
D. Manage user-mode applications
Correct Answer:
A
Chapter: 8
Q390:
In which mode are critical instructions executed to prevent system crashes?
A. User mode
B. Supervisor mode
C. Kernel mode
D. Protected mode
Correct Answer:
B
Chapter: 8
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
Correct Answer:
C
Chapter: 8
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
Correct Answer:
A
Chapter: 8
Q393:
What component of modern x86 CPUs optimizes virtual memory performance?
A. Translation Lookaside Buffer (TLB)
B. Cache Memory
C. Registers
D. Hypervisor
Correct Answer:
A
Chapter: 8
Q394:
In a virtualization environment, who performs the mapping of physical memory to machine memory?
A. Guest OS
B. Hypervisor
C. CPU
D. MMU
Correct Answer:
B
Chapter: 8
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
Correct Answer:
B
Chapter: 8
Q396:
In full device emulation, which component interacts with the real device?
A. Guest OS
B. Hypervisor
C. Backend driver
D. Frontend driver
Correct Answer:
B
Chapter: 8
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
Correct Answer:
B
Chapter: 8
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
Correct Answer:
A
Chapter: 8
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
Correct Answer:
C
Chapter: 8
Q400:
Memory virtualization traditionally involves the use of _______.
A. Page tables
B. Cache memory
C. Registers
D. Hypervisors
Correct Answer:
A