Cloud Computing MCQ All Unit Mergerd PDF

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SR.NO 1 2 3 4 5 6 7

Chapter 1 Question 1, 2, 3 Mark

Created by Atul

Write down question Cloud model relies on What widely used service is built on cloud-computing technology? HTTP is a ______ protocol websocket is a____ Protocol Websocket protocol uses which communication model Which of these techniques is vital for creating cloud-computing centers

An internal cloud is…

a

b

c

d

Correct Answer

Option a communication API Twitter stateful

Option b Middleware Skype unidirectional

Option c web documents Gmail bidirectional

Option d embedded device All of the above full dulpex

a/b/c/d a d b

stateful

bidirectional

connection oriented

all of the above

d

Publish-Subscribe

Request Response

Push-Pull

Exclusive Pair

a

Virtualization

Transubstantiation

Cannibalization

Insubordination

a

d

An overhanging threat

A career risk for a CIO

A cloud that sits behind a corporate

The group of knowledge workers who use a social network for watercooler gossip

Software as a service

Utility computing

Grid computing

Desktop computing

d

Accounting Management

Compliance

Data Privacy

All of the mentioned

a

Except for tightly managed SaaS cloud providers

Cloud computing vendors run very reliable networks

The low barrier to entry cannot be accompanied by a low barrier to provisioning

All of the mentioned

b

Licensed

Policy-based

Variable

All of the mentioned

b

Accounting Management

Compliance

Data Privacy

All of the mentioned

c

Licensed

Variable but under control

Law

All of the mentioned

b

large

small

big

all of the mentioned

a

Iaas SQL NonSQL

Paas NonSQL SQL

Saas Simple storage Simple storage

d a a

SVAs

SLAs

SALs

all of above all of above all of above None of the mentioned

replicas

shards

tenants

all of the mentioned

c

8 9 10

Which of these is not an antecedent of the cloud? Which of the following subject area deals with pay-as-you-go usage model?

Point out the correct statement 11 12 13 14 15 16 17 18 19 20

________ captive requires that the cloud accommodate multiple compliance regimes. Security methods such as private encryption, VLANs and firewalls comes under __________ subject area. Which of the following captive area deals with monitoring? Network bottlenecks occur when ______ data sets must be transferred Amazon AWS Consists of following services RDS is a_____ type of database Dynamodb is ____ type of storage Cloud ________ are standardized in order to appeal to the majority of its audience. The reputation for cloud computing services for the quality of those services is shared by _________

b

21

22 23 24 25

___________ is a function of the particular enterprise and application in an onpremises deployment. _________ computing refers to applications and services that run on a distributed network using virtualized resources.

29

Vendor lock-ins

None of the mentioned

b

Cloud

Soft

Parallel

b

Distributed

Model

Computing

Software

All of the mentioned

b

Amazon Elastic Compute Cloud (Amazon EC2) is a web service based on

Iaas

Paas

Saas

All of the mentioned

a

Reliability

Productivity

Abstraction

All of the mentioned

c

technology it is built on is evolutionary

None of the mentioned

c

Which of the following is essential concept related to Cloud?

26

28

Vendor lock-in

. ________ as a utility is a dream that dates from the beginning of the computing industry itself

Point out the wrong statement

27

Vendor lock

Which of the cloud concept is related to pooling and sharing of resources ________ has many of the characteristics of what is now being called cloud computing Which of the following can be identified as cloud

applications benefit start very small and from deployment in become big very fast the cloud Polymorphism

Abstraction

Virtualization

None of the mentioned

c

Internet

Softwares

Web Service

All of the mentioned

a

Web Applications

Intranet

Hadoop

All of the mentioned

c

AWS

Cloudera

All of the mentioned

b

private

hybrid

all of the mentioned

d

All of the mentioned

d

PaaS

All of the mentioned

a

soft

all of the mentioned

a

A logical design methodology

All of the mentioned

d

Azure Which of the following is Cloud Platform by Amazon? 30 31

Which of the following is the deployment model? Which of the following is best known service model?

public SaaS

IaaS

SaaS

IaaS

client

cloud

PaaS

32 33 34

Which of the following is the highest degree of integration in cloud computing? Which of the architectural layer is used as a front end in cloud computing? Which of the following benefit is provided by the PaaS service provider

A larger pool of qualified developers

Communication between services is done widely using _______ protocol

REST

35 36

37

Which of the following provider rely on the virtual machine technology to deliver servers?

More reliable operation SOAP

RESTful

None of the mentioned

c

AaaS

PaaS

IaaS

d

CaaS

VGM Which of the following component is called hypervisor?

VMc

VMM

virtual appliances

machine imaging

Xen

Ken

Parallels

All of the mentioned

c

38

39

40

Applications such as a Web server or database server that can run on a virtual machine image are referred to as __ Amazon Machine Images are virtual appliances that have been packaged to run on the grid of ____ nodes.

virtual server

Ben

Imaging __________ is a CPU emulator and virtual machine monitor

all of the mentioned

b

Zen

b

QEMU

None of the mentioned

c

Cloud

Soft

Parallel

b

41

42 43 44 45

_________ computing refers to applications and services that run on a distributed network using virtualized resources. . ________ as a utility is a dream that dates from the beginning of the computing industry itself

Model

Computing

Software

All of the mentioned

b

Amazon Elastic Compute Cloud (Amazon EC2) is a web service based on

Iaas

Paas

Saas

All of the mentioned

a

Reliability

Productivity

Abstraction

All of the mentioned

c

technology it is built on is evolutionary

None of the mentioned

c

Which of the following is essential concept related to Cloud?

Point out the wrong statement 46 47 48 49

Distributed

Which of the cloud concept is related to pooling and sharing of resources ________ has many of the characteristics of what is now being called cloud computing Which of the following can be identified as cloud

applications benefit start very small and from deployment in become big very fast the cloud Polymorphism

Abstraction

Virtualization

None of the mentioned

c

Internet

Softwares

Web Service

All of the mentioned

a

Web Applications

Intranet

Hadoop

All of the mentioned

c

AWS

Cloudera

All of the mentioned

b

private

hybrid

all of the mentioned

d

All of the mentioned

d

All of the mentioned

a

Azure Which of the following is Cloud Platform by Amazon? 50 51

Which of the following is the deployment model? Which of the following is best known service model?

public SaaS

IaaS

SaaS

IaaS

PaaS

52 53

Which of the following is the highest degree of integration in cloud computing?

PaaS

54

Which of the architectural layer is used as a front end in cloud computing?

57

cloud More reliable operation

soft

all of the mentioned

a

A logical design methodology

All of the mentioned

d

Which of the following benefit is provided by the PaaS service provider

A larger pool of qualified developers

Communication between services is done widely using _______ protocol

REST

SOAP

RESTful

None of the mentioned

c

Which of the following provider rely on the virtual machine technology to deliver servers?

CaaS

AaaS

PaaS

IaaS

d

VMc

VMM

virtual appliances

machine imaging

Xen

Ken

Parallels

a

55 56

client

VGM Which of the following component is called hypervisor?

All of the mentioned

c

58

59

60

Applications such as a Web server or database server that can run on a virtual machine image are referred to as __ Amazon Machine Images are virtual appliances that have been packaged to run on the grid of ____ nodes. __________ is a CPU emulator and virtual machine monitor

61 62 63 64

Chapter 2 Question 1, 2, 3 Mark The source of HDFS architecture in Hadoop originated as

65 66 67 68

What is HDFS? Which among the following command is used to copy a directory from one node to another in HDFS? Which utility is used for checking the health of an HDFS file system? Which among the following is the correct statement

69 70 71 72

What is default replication factor? The namenode knows that the data node is active using a mechanism known as What is the default size of HDFS Data Block?

virtual server

all of the mentioned

b

Zen

b

QEMU

None of the mentioned

c

b

c

d

Correct Answer

Google distributed filesystem

Yahoo distributed filesystem

Facebook distributed filesystem

Amazon S3 storage

a

Storage layer

Batch processing engine

Resource management layer

All of the above

a

Ben

Imaging

rcp

distcp

dcp

drcp

b

fsck Datanode manage file system namespace 1

fchk

fsch

fcks

a

Namenode stores metadata

NameNode stores actual data

All of the above

b

2

3

5

c

Active pulse

Data pulse

Heartbeats

h-signal

c

16MB

32MB

64MB

128MB

d

What is HDFS Block in Hadoop? 73

Which of the following is the correct statement? 74 75

The need for data replication can arise in various scenarios like

It is the logical It is the physical representation of representation of Both the above data data DataNode is the NameNode stores slave/worker node Each incoming file is and holds the user broken into 32 MB by user data in the form defaul of Data Blocks data in the form of Data Blocks Replication Factor is Data Blocks get DataNode goes down changed corrupted

d

Occupies only the size it needs and not the full block

d

Which among the following are the duties of the NameNodes

Manage file system namespace

It is responsible for storing actual data

Perform read-write operation as per request for the clients

None of the above

a

If the IP address or hostname of a data node changes

The namenode The namenode need updates the mapping The data in that data not update mapping There namenode has between file name node is lost forever between file name to be restarted and block name and block name

For the frequently accessed HDFS files the blocks are cached in

The memory of the data node

Which scenario demands highest bandwidth for data transfer between nodes

Different nodes on the same rack

When a client contacts the namenode for accessing a file, the namenode responds with In HDFS the files cannot be Which among the following is the duties of the Data Nodes

86

All of the above

Can span over multiple blocks

80

85

a

Occupies the full block's size.

78

83 84

None of the above

Cannot be stored in HDFS

77

81 82

b

A file in HDFS that is smaller than a single block size 76

79

None of the above

NameNode and DataNode do communicate using Amazon EC2 provides virtual computing environments, known as : Data stored in __________ domains doesn’t require maintenance of a schema.

In the memory of the namenode Nodes on different racks in the same data center.

c

Both the above

None of the above

a

Nodes in different data centers

Data on the same node

c

All of the above

b

Archived Perform read-write operation as per request for the clients Data pulse None of the mentioned

c

RDS

a

Size of the file requested

Block ID and hostname of all the data nodes containing that block

Block ID of the file requested

Read

Deleted

Executed

Manage file system namespace

Stores meta-data

Regulates client’s access to files

Active pulse

Heartbeats

chunks

instances

messages

SimpleDB

SQL Server

Oracle

h-signal

d b b

87 88 89 90 91 92 93 94

Which of the following is a system for creating block level storage devices that Amazon Elastic Block AWS Import/Export All of the mentioned CloudWatch can be used for Amazon Machine Instances in EC2 ? Store Which of the following type of virtualization is also characteristic of cloud Storage Application CPU All of the mentioned computing Multiplatform Which of the following is most important feature of cloud storage listed below Logon authentication Bare file Adequate bandwidth ? support

b d a

Which of the following is open cloud storage management standard by SNIA ?

CDMI

OCCI

CEA

Adequate bandwidth

a

Which of the following system does not provision storage to most users ?

Paas

Iaas

Caas

Saas

b

Drive

SkyDrive

Dropbox

All of the mentioned

a a

Which of the following service is provided by Google for online storage ? Which of the following backup create a cloned copy of your current data or drive ? Which of the following storage devices exposes its storage to clients as Raw storage that can be partitioned to create volumes ? Which of the following should be used considering factors shown in the figure?

Continuous Data Protection

Open file backup

Reverse Delta backup

None of the mentioned

block

file

disk

All of the mentioned

a

SimpleDB

RDS

Amazon EC2

All of the mentioned

b

None of the mentioned

d

95

Point out the wrong statement. 96 97 98 99 100

Which of the following is an edge-storage or content-delivery system that caches data in different physical locations? Which of the following allows you to create instances of the MySQL database to support your Web sites? Which of the following allows you to create instances of the MySQL database to support your Web sites? . Which of the following allows you to create instances of the MySQL database to support your Web sites?

The metrics obtained Amazon Machine by CloudWatch may A number of tools are Instances are sized at be used to enable a used to support EC2 various levels and feature called Auto services rented on a Scaling computing/hour basis Amazon Relational Database Service Amazon Elastic Compute Cloud Amazon Elastic Compute Cloud Amazon Elastic Compute Cloud

Amazon SimpleDB

Amazon Cloudfront

Amazon Simple Queue Service Amazon Simple Queue Service Amazon Simple Queue Service

Amazon Relational Database Service Amazon Relational Database Service Amazon Relational Database Service

Amazon Associates Web Services Amazon Simple Storage System Amazon Simple Storage System Amazon Simple Storage System

c c c c

Point out the correct statement. 101 102

103 104 105 106

Amazon Elastic Cloud SimpleDB is a system for interoperates with EC3 is an Analytics as both Amazon EC2 and a Service provider creating virtual Amazon S3 disks(volum...