April 22, 2019

Cloud Computing - MCQS

Question
Which of these is not a major type of cloud computing usage?

Select one:
a. Hardware as a Service
b. Platform as a Service
c. Software as a Service
d. Software as a Service

The correct answer is: Hardware as a Service

Question
Virtualization facilitates multiple machines on the same physical machine with

Select one:
a. Same OS & different versions
b. All of the above
c. Same OS & same versions
d. Different OS & different versions

The correct answer is: All of the above

Question
Which is not an approach to virtualization

Select one:
a. Partial virtualization
b. Lightweight virtualization
c. Full virtualization
d. Para virtualization

The correct answer is: Partial virtualization

Question
Live migration of VMs helps in

Select one:
a. Maintenance
b. Load balancing
c. All of the above
d. Availability

The correct answer is: All of the above

Question
Live migration involves

Select one:
a. Downtime of a few minutes
b. Loss of service
c. Downtime of a few milliseconds
d. No downtime

The correct answer is: Downtime of a few milliseconds

Question
Full virtualization

Select one:
a. Simulates hardware within software
b. Has VMs with the same OS
c. Clones images
d. Alters the guest OS

The correct answer is: Simulates hardware within software

Question
VMM is

Select one:
a. A virtual machine
b. Hardware
c. Host OS
d. A layer of software

The correct answer is: A layer of software

Question
VMM facilitates sharing of

Select one:
a. Memory & I/O
b. CPU, memory & I/O
c. CPU & memory
d. I/O & CPU

The correct answer is: CPU, memory & I/O

Question
The BEST way to define Virtualization in cloud computing is

Select one:
a. Virtualization enables simulating compute, network, and storage service platforms from the underlying virtual hardware
b. Virtualization enables abstracting compute, network, and storage service platforms from the underlying physical hardware
c. Virtualization enables realization of compute, network, and storage service platforms from the underlying virtual hardware
d. Virtualization enables emulating compute, network, and storage service platforms from the underlying virtual hardware

The correct answer is: Virtualization enables abstracting compute, network, and storage service platforms from the underlying physical hardware

Question
Which one of these statement is NOT fully correct

Select one:
a. Cloud is an exact equivalent of grid computing
b. Cloud makes notion of “Pay for what you use”, “infinite availability- use as much you want”.
c. Cloud can exist without Virtualization, although it will be difficult and inefficient.
d. As per NIST, one of the essential charecteristics of a cloud computing infrastructure is "Measured Service".

The correct answer is: Cloud is an exact equivalent of grid computing

Question
Which one of the followings is NOT an essential charecteristics of cloud infrastructure as per NIST?

Select one:
a. Broad Network Access
b. Resources Pooling
c. Rapid Elasticity
d. Independent of devices'form factor

The correct answer is: Independent of devices'form factor

Question
Cloud service consist of

Select one:
a. Software, Hardware, Infrastructure
b. Platform, Software, Infrastructure
c. Platform, Hardware, Infrastructure

The correct answer is: Platform, Software, Infrastructure

Question
What does Virtualization do? Select the BEST answer.

Select one:
a. Each “guest” OS is managed by a Virtual Machine Monitor (VMM), also known as a hypervisor.
b. It is a means of separating hardware from a single operating system.
c. All of the above
d. Virtualization allows multiple operating system instances to run concurrently on a single computer

The correct answer is: All of the above

Question
Which one is NOT generally a change after Virtualization?

Select one:
a. Virtual machines can be provisioned to any system
b. Hardware-independence of operating system and applications
c. Can manage OS and application as a single unit by encapsulating them into virtual machines.
d. Software and hardware tightly coupled

The correct answer is: Software and hardware tightly coupled

Question
A configured client server network is required to be provisioned. You would go for

Select one:
a. SaaS
b. IaaS
c. NaaS
d. PaaS

The correct answer is: IaaS

Question
What are the goals of Hypervisor design?

Select one:
a. Scalability
b. All of the above
c. Reliability
d. Isolation

The correct answer is: All of the above

Question
Which one of the statement is generally NOT correct for Microkernelized Hypervisor?

Select one:
a. Drivers run within guests
b. Simple partitioning functionality
c. Increase reliability and minimize lowest level of the TCB
d. Contains its own drivers model

The correct answer is: Contains its own drivers model

Question
In multiple VM processing, CPU is alloted to the different processes in form of:

Select one:
a. Space slices by the OS
b. Different CPUs are allocated to different processes
c. Time slices by the OS
d. Frequecy slices by the OS

The correct answer is: Time slices by the OS

Question
Which of the statement is generally NOT correct for Full Virtualization?

Select one:
a. This is known as hardware-assisted virtualization, and improves performance significantly
b. The biggest advantage to this approach is its flexibility.
c. There are significant performance problems in trying to emulate a complete set of hardware in software
d. Hypervisor provides a fully emulated machine in which an operating system can run

The correct answer is: This is known as hardware-assisted virtualization, and improves performance significantly

Question
Which of the following is true of cloud computing?

Select one:
a. It's always going to be less expensive and more secure than local computing.
b. Only a few small companies are investing in the technology, making it a risky venture.
c. You can access your data from any computer in the world, as long as you have an Internet connection.

The correct answer is: You can access your data from any computer in the world, as long as you have an Internet connection.

Question
Which of the following is deployment model?

Select one:
a. Public
b. Private
c. All of the above
d. Hybrid

The correct answer is: All of the above

Question
The ________ cloud infrastructure is operated for the exclusive use of an organization.

Select one:
a. All of the mentioned
b. Public
c. Community
d. Private

The correct answer is: Private

Question
Following is not a feature of Cloud Computing:

Select one:
a. Rapid Provisioning
b. On Demand
c. None of the above
d. Unambiguous
e. Shared Pool

The correct answer is: Unambiguous

Question
Cloud computing is

Select one:
a. Utility computing
b. Peer to peer computing
c. Mobile computing
d. All of these

The correct answer is: Utility computing

Question
Bare metal hypervisor sits on top of

Select one:
a. None of the above
b. Physical Hardware
c. Virtualized hardware
d. Operating System

The correct answer is: Physical Hardware

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