1
According to NIST, cloud computing is a model for enabling convenient ______ access to a shared pool of configurable computing resources.
Correct Answer
on-demand network
☑ MCQ PRACTICE
Cloud Computing Unit 1
Practice objective questions for quick revision and examination preparation. Try answering each question before revealing the answer.
Cloud Computing MCQs - Unit 1
2
Which of the following is NOT an essential characteristic of cloud computing as defined by NIST?
Correct Answer
Fixed, non-scalable capacity
3
The cloud characteristic in which usage is monitored and billed like a utility is
Correct Answer
measured service
4
The paradigm in which many processors work on different parts of a problem at the same time is
Correct Answer
parallel computing
5
A distributed computing system consists of
Correct Answer
multiple autonomous computers communicating over a network
6
A group of interconnected computers that work together as a single system is a
Correct Answer
cluster
7
Grid computing combines resources that are
Correct Answer
geographically distributed and loosely coupled
8
The paradigm in which computing resources are provided as a metered service, like electricity, is
Correct Answer
utility computing
9
A quantum computer uses
Correct Answer
qubits
10
Biocomputing makes use of
Correct Answer
biological molecules such as DNA
11
Optical computing uses
Correct Answer
photons
12
Rapid elasticity means that
Correct Answer
resources can be scaled out and in quickly as demand changes
13
In the multi-tenant model of resource pooling,
Correct Answer
many customers share the same physical resources with logical isolation
14
Which of the following is NOT an actor in the NIST cloud reference architecture?
Correct Answer
Cloud compiler
15
The cloud actor that negotiates relationships between cloud providers and consumers is the
Correct Answer
cloud broker
16
The cloud actor that provides connectivity and transport of cloud services is the
Correct Answer
cloud carrier
17
The cloud actor that conducts independent assessment of cloud services and security is the
Correct Answer
cloud auditor
18
One major financial benefit of cloud computing is that it converts
Correct Answer
capital expenditure into operational expenditure
19
SLA stands for
Correct Answer
Service Level Agreement
20
In a layered cloud architecture, the lowest layer is the
Correct Answer
hardware / data center layer
21
The difficulty of moving from one cloud provider to another is called
Correct Answer
vendor lock-in
22
Allocating cloud resources to consumers when they are needed is called
Correct Answer
resource provisioning
23
The cloud characteristic that lets a customer obtain computing capability automatically without human interaction with the provider is
Correct Answer
on-demand self-service
24
Which of the following computing paradigms provides computing through the Internet on a pay-per-use basis?
Correct Answer
Cloud computing
25
Which of the following is an advantage of cloud computing?
Correct Answer
Reduced up-front hardware cost
Fill in the Blanks
26
NIST stands for ______.
Correct Answer
National Institute of Standards and Technology
27
NIST lists ______ essential characteristics of cloud computing.
Correct Answer
five
28
In ______ computing, many processors solve different parts of a problem at the same time.
Correct Answer
parallel
29
______ computing connects geographically distributed and loosely coupled resources.
Correct Answer
Grid
30
______ computing treats computing resources as a metered service like electricity.
Correct Answer
Utility
31
SLA stands for ______.
Correct Answer
Service Level Agreement
32
A quantum computer uses ______ instead of classical bits.
Correct Answer
qubits
33
The ability to scale resources up and down quickly as demand changes is called ______.
Correct Answer
elasticity
34
The NIST cloud actor that acquires and uses cloud services is the cloud ______.
Correct Answer
consumer
35
The cloud actor that provides connectivity and transport is the cloud ______.
Correct Answer
carrier
36
The sharing of a single resource by multiple customers with logical isolation is called ______.
Correct Answer
multi-tenancy
37
The problem of being unable to move easily from one cloud provider to another is called ______.
Correct Answer
vendor lock-in
38
Cloud computing shifts spending from capital expenditure to ______ expenditure.
Correct Answer
operational
39
A group of interconnected computers working together as a single system is called a ______.
Correct Answer
cluster
40
The cloud ______ negotiates relationships between cloud providers and consumers.
Correct Answer
broker