Cloud Computing MCQs with Answers
Practice important Cloud Computing MCQs with answers and explanations.
Chapter: 8
Q441:
Fill in the blank: Server consolidation ______ resource utilization across the data center.
A. reduces
B. increases
C. maintains
D. destroys
Correct Answer:
B
Chapter: 8
Q442:
Fill in the blank: The ______ of data center resources leads to increased power consumption.
A. under-utilization
B. over-allocation
C. optimization
D. virtualization
Correct Answer:
B
Chapter: 8
Q443:
Fill in the blank: Virtualization allows the dynamic provisioning of ______ services and billing systems.
A. physical storage
B. cloud
C. security
D. internet
Correct Answer:
B
Chapter: 8
Q444:
Fill in the blank: The average physical utilization in a data center should be above ______ to avoid resource wastage.
A. 0.2
B. 0.5
C. 0.75
D. 0.9
Correct Answer:
B
Chapter: 8
Q445:
What does a virtual network consist of?
A. Virtual nodes and virtual links
B. Physical routers and cables
C. Virtual switches and firewalls
D. Virtual machines and storage
Correct Answer:
A
Chapter: 8
Q446:
In network virtualization, what is a vSwitch linked to?
A. Multiple virtual CPUs
B. Physical NIC (pNIC)
C. Virtual hard disks
D. Network storage
Correct Answer:
B
Chapter: 8
Q447:
What does network virtualization propose to decouple?
A. Traditional ISP functionalities from virtual network management
B. Storage management from network security
C. CPU performance from memory utilization
D. Bandwidth allocation from server load
Correct Answer:
A
Chapter: 8
Q448:
Which of the following is an example of a network virtualization technology?
A. Virtual Memory
B. Virtual Local Area Network (VLAN)
C. Cloud Storage
D. Hypervisor
Correct Answer:
B
Chapter: 8
Q449:
What is the purpose of a Virtual Local Area Network (VLAN)?
A. To provide internet access
B. To logically group hosts into a single broadcasting domain
C. To physically separate networks
D. To improve CPU performance
Correct Answer:
B
Chapter: 8
Q450:
What is a Virtual Private Network (VPN) used for?
A. Enhancing Wi-Fi signal
B. Creating a dedicated communications network using tunneling over public networks
C. Reducing network latency
D. Increasing bandwidth for file transfers
Correct Answer:
B
Chapter: 8
Q451:
How can multiple virtual networks coexist in a single infrastructure?
A. By using multiple internet providers
B. By combining physical infrastructures with virtual networks
C. By sharing network hardware
D. By using cloud storage
Correct Answer:
B
Chapter: 8
Q452:
What does a VPN use to ensure communication over public networks?
A. Network cables
B. Tunneling
C. Firewalls
D. Data encryption
Correct Answer:
B
Chapter: 8
Q453:
Fill in the blank: Network virtualization enables the _______ of traditional ISP infrastructure from virtual network management.
A. coupling
B. integration
C. decoupling
D. fusion
Correct Answer:
C
Chapter: 8
Q454:
Fill in the blank: A _______ logically groups hosts with a common interest into a single broadcasting domain.
A. VPN
B. vSwitch
C. VLAN
D. Firewall
Correct Answer:
C
Chapter: 8
Q455:
Fill in the blank: A _______ uses tunneling over public networks to create a dedicated communication network.
A. VLAN
B. NIC
C. pNIC
D. VPN
Correct Answer:
D
Chapter: 8
Q456:
Fill in the blank: Network virtualization allows the use of physical infrastructures from _______ providers to dynamically compose virtual networks.
A. single
B. multiple
C. virtual
D. limited
Correct Answer:
B
Chapter: 8
Q457:
What is the primary advantage of using a VPN?
A. Increased internet speed
B. Enhanced security through dedicated communication channels
C. Improved CPU performance
D. Faster data storage
Correct Answer:
B
Chapter: 8
Q458:
Which component in a virtualized network links the virtual network interfaces to physical network interfaces?
A. vCPU
B. vSwitch
C. vRAM
D. vDisk
Correct Answer:
B
Chapter: 9
Q459:
What does "On-demand self-service" in cloud computing mean?
A. Users must manually allocate resources
B. Users can automatically allocate resources without manual intervention
C. Resources are pre-allocated for each user
D. Only administrators can manage resources
Correct Answer:
B
Chapter: 9
Q460:
Which of the following best describes "Broad Network Access" in cloud computing?
A. Resources can only be accessed through wired devices
B. Resources can be accessed through a broad range of wired and wireless devices
C. Only high-speed internet connections can access resources
D. Wireless access is not supported
Correct Answer:
B