Cloud Computing MCQs with Answers
Practice important Cloud Computing MCQs with answers and explanations.
Chapter: 8
Q421:
During live migration, what keeps running on the source host to avoid downtime?
A. VM state
B. Virtual hard disk
C. Network connectivity
D. All of the above
Correct Answer:
D
Chapter: 8
Q422:
What is a better solution for reducing the time and bandwidth required for virtual disk migration?
A. Using a local hard drive
B. Using network storage
C. Compressing the disk image
D. Increasing network bandwidth
Correct Answer:
B
Chapter: 8
Q423:
Fill in the blank: Cold migration requires the VM to be ________ before migration.
A. powered-off
B. paused
C. suspended
D. powered-on
Correct Answer:
A
Chapter: 8
Q424:
Fill in the blank: Virtual machines are made up of two components: VM state and ________.
A. Network adapter
B. Virtual hard disk
C. Graphics card
D. Processor
Correct Answer:
B
Chapter: 8
Q425:
Which type of migration involves zero downtime?
A. Cold migration
B. Warm migration
C. Live migration
D. Post-migration
Correct Answer:
C
Chapter: 8
Q426:
During live migration, what does the hypervisor provide to ensure uninterrupted operation?
A. Increased RAM
B. More CPU cores
C. Unbroken network connectivity
D. Faster storage
Correct Answer:
C
Chapter: 8
Q427:
What is the key challenge when migrating a virtual hard disk?
A. Low CPU performance
B. High energy consumption
C. Time and bandwidth consumption
D. Memory leak
Correct Answer:
C
Chapter: 8
Q428:
What is a data center used for?
A. Playing video games
B. Storing and processing large amounts of data
C. Mining cryptocurrencies
D. Compiling software code
Correct Answer:
B
Chapter: 8
Q429:
Which companies have invested heavily in building data centers?
A. Google, Yahoo, Amazon, Microsoft
B. Walmart, Target, BestBuy, Costco
C. BMW, Tesla, Ford, GM
D. Coca-Cola, Pepsi, Nestle, Kraft
Correct Answer:
A
Chapter: 8
Q430:
What does data center automation refer to?
A. Reducing hardware costs
B. Dynamic provisioning of hardware and software resources
C. Automatic cooling of data centers
D. Increasing the physical size of data centers
Correct Answer:
B
Chapter: 8
Q431:
What technology is closely linked with data center automation?
A. Blockchain
B. Virtualization
C. Quantum computing
D. 3D printing
Correct Answer:
B
Chapter: 8
Q432:
Which of the following is a major consideration for data center owners?
A. Assuring performance and QoS
B. Buying new computers
C. Hiring more employees
D. Reducing office space
Correct Answer:
A
Chapter: 8
Q433:
What does server consolidation aim to achieve in a data center?
A. Reducing the number of users
B. Reducing power consumption by aggregating VMs on a single server
C. Increasing the number of servers
D. Expanding the data center space
Correct Answer:
B
Chapter: 8
Q434:
What happens if computing resources are over-allocated in a data center?
A. Increased average utilization
B. Decreased average utilization
C. Increased performance
D. No effect
Correct Answer:
B
Chapter: 8
Q435:
Which resource allocation example leads to resource wastage?
A. Allocating more RAM than needed
B. Keeping physical utilization less than 50%
C. Allocating equal resources to all VMs
D. Giving more processing power to smaller jobs
Correct Answer:
B
Chapter: 8
Q436:
What is a benefit of shutting down idle servers in a data center?
A. Improved user experience
B. Cost savings due to reduced power consumption
C. Higher number of active users
D. Increased processing speed
Correct Answer:
B
Chapter: 8
Q437:
Which of the following is true about virtualization in data centers?
A. It only works with physical storage
B. It offers virtual disks to other VMs
C. It cannot be synchronized with cloud services
D. It has no impact on resource allocation
Correct Answer:
B
Chapter: 8
Q438:
Virtualization technology helps set up ______ to provide virtual disks to other VMs.
A. Virtual servers
B. Virtual storage
C. Physical drives
D. Network cables
Correct Answer:
B
Chapter: 8
Q439:
Which system can virtualization synchronize with to dynamically provision services?
A. Operating systems
B. Cloud management systems
C. Database systems
D. Web browsers
Correct Answer:
B
Chapter: 8
Q440:
Virtualization is essential for which of the following?
A. Internet browsing
B. Cloud computing
C. Desktop applications
D. Video conferencing
Correct Answer:
B