Cloud Computing MCQ Quiz Hub

1. Cloud model relies on
communication api
middleware
web documents
embedded device

2. HTTP is a protocol
stateful
unidirectional
bidirectional
full dulpex

3. websocket is a Protocol
stateful
bidirectional
connection oriented
All of the above

4. Websocket protocol uses which communication model
publish-subscribe
request response
push-pull
exclusive pair

5. Which of these is not an antecedent of the cloud?
software as a service
utility computing
grid computing
desktop computing

6. captive requires that the cloud accommodate multiple complianceregimes.
. licensed
policy-based
variable
all of the mentioned

7. Security methods such as private encryption, VLANs and firewalls comesunder subject area.
accountingmanagement
compliance
data privacy
all of the mentioned

8. Which of the following captive area deals with monitoring?
large
small
big
all of the mentioned

9. Amazon AWS Consists of following services
iaas
paas
saas
All of the above

10. RDS is a type of database
sql
nonsql
simple storage
All of the above

11. Dynamodb is type of storage
nonsql
sql
simple storage
all of above

12. Cloud are standardized in order to appeal to the majority of itsaudience.
svas
slas
sals
none of thementioned

13. The reputation for cloud computing services for the quality of those services isshared by
replicas
shards
tenants
all of the mentioned

14. as a utility is a dream that dates from the beginning of thecomputing industry itself
model
computing
software
all of the mentioned

15. Amazon Elastic Compute Cloud (Amazon EC2) is a web service based on
iaas
paas
saas
All of the mentioned

16. Which of the following is essential concept related to Cloud?
A. reliability
productivity
abstraction
All of the mentioned

17. Point out the wrong statement
applications benefit from deployment in the cloud
start very small and become big very fast
technology it is built on is evolutionary
none of the mentioned

18. Which of the cloud concept is related to pooling and sharing of resources
polymorphism
abstraction
virtualization
none of thementioned

19. has many of the characteristics of what is now being called cloudcomputing
internet
softwares
web service
all of the mentioned

20. Which of the following is the deployment model?
public
private
hybrid
all of the mentioned

21. Which of the following is the highest degree of integration in cloudcomputing?
saas
iaas
paas
all of the mentioned

22. Which of the following benefit is provided by the PaaS service provider
a larger pool of qualified developers
more reliable operation
a logical design methodology
all of the mentioned

23. Communication between services is done widely using protocol
rest
soap
restful
none of thementioned

24. Applications such as a Web server or database server that can run on a virtual machine image are referred to as
virtual server
virtual appliances
machine imaging
all of the mentioned

25. Amazon Machine Images are virtual appliances that have been packaged to run on the grid of nodes.
ben
xen
ken
zen

26. The source of HDFS architecture in Hadoop originated as
google distributed filesystem
yahoo distributed filesystem
facebook distributed filesystem
amazon s3 storage

27. What is HDFS?
storage layer
batch processingengine
resourcemanagement layer
All of the above

28. Which among the following command is used to copy a directory from onenode to another in HDFS?
rcp
distcp
dcp
drcp

29. Which utility is used for checking the health of an HDFS file system?
fsck
fchk
fsch
fcks

30. Which among the following is the correct statement
datanode manage file systemnamespace
namenode stores metadata
namenode stores actual data
None of these

31. What is default replication factor?
1
2
3
S

32. The namenode knows that the data node is active using a mechanism knownas
active pulse
data pulse
heartbeats
h-signal

33. What is the default size of HDFS Data Block?
16mb
32mb
64mb
128mb

34. What is HDFS Block in Hadoop?
it is the logicalrepresentation of data
it is the physicalrepresentation of data
both the above
none of the above

35. Which of the following is the correct statement?
datanode is the slave/worker node and holds the user data in the form ofdata blocks
each incoming file is broken into 32 mb by defaul
namenode stores user data in the form of data blocks
None of the above

36. The need for data replication can arise in various scenarios like
replication factor ischanged
datanode goes down
data blocks getcorrupted
All of the above

37. A file in HDFS that is smaller than a single block size
cannot be stored in hdfs
occupies the full blocks size.
can span over multiple blocks
occupies only the size it needs and not thefull block

38. 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 theclients
none of the above

39. . If the IP address or hostname of a data node changes
the namenode updates the mapping between file name and block name B.
the data in that data node is lost forever
the namenode need not update mapping between file name and block name D.
there namenode has to be restarted

40. For the frequently accessed HDFS files the blocks are cached in
the memory of thedata node
in the memory of thenamenode
both (a) and (b)
None of These

41. Which scenario demands highest bandwidth for data transfer between nodes
different nodes on the same rack
nodes on differentracks in the same data center.
nodes in different data centers
data on the same node

42. When a client contacts the namenode for accessing a file, the namenode responds with
size of the file requested
block id and hostname of all the data nodes containing that block
block id of the file requested
All of the above

43. In HDFS the files cannot be
read
deleted
executed
archived

44. Which among the following is the duties of the Data Nodes
manage file system namespace
stores meta-data
regulates client’s access to files
perform read-write operation as per request for theclients

45. NameNode and DataNode do communicate using
active pulse
heartbeats
h-signal
data pulse

46. Amazon EC2 provides virtual computing environments, known as :
chunks
instances
messages
None of the mentioned

47. Data stored in domains doesn’t require maintenance of a schema.
simpledb
sql server
oracle
rds

48. Which of the following is a system for creating block level storage devices thatcan be used for Amazon Machine Instances in EC2 ?
cloudwatch
amazon elastic blockstore
aws import/export
all of the mentioned

49. Which of the following type of virtualization is also characteristic of cloudcomputing
storage
application
cpu
All of the mentioned

50. Which of the following is most important feature of cloud storage listed below?
logon authentication
bare file
multiplatformsupport
adequate bandwidth

51. Which of the following storage devices exposes its storage to clients as Rawstorage that can be partitioned to create volumes ?
block
file
disk
All of the mentioned

52. Which of the following should be used considering factors shown in the figure?
simpledb
rds
amazon ec2
all of the mentioned

53. Point out the wrong statement.
the metrics obtained by cloudwatch may be used to enable a feature called auto scaling
a number of tools are used to support ec2 services
amazon machine instances are sized at various levels and rented on a computing/hour basis
none of the mentioned

54. Which of the following is an edge-storage or content-delivery system thatcaches data in different physical locations?
amazon relationaldatabase service
amazon simpledb
amazon cloudfront
amazon associatesweb services

55. Which of the following allows you to create instances of the MySQL databaseto support your Web sites?
amazon elasticcompute cloud
amazon simplequeue service
amazon relationaldatabase service
amazon simplestorage system

56. Point out the correct statement.
amazon elastic cloud is a system for creating virtualdisks(volume)
simpledb interoperates with both amazon ec2 andamazon s3
ec3 is an analytics as a service provider
none of the mentioned

57. Which of the following service provider provides the least amount of built insecurity?
saas
paas
iaas
all of the mentioned

58. Point out the correct statement.
different types of cloud computing service models provide different levels of security services
adapting your on- premises systems to a cloud model requires that you determine what security mechanisms are required
data should be transferred and stored in an encrypted format for security purpose
All of the mentioned

59. Which of the following services that need to be negotiated in Service LevelAgreements?
logging
auditing
regulatorycompliance
all of the mentioned

60. The following flowchart is intended to evaluate in any cloud.
risk
errors
inconsistencies
None of the mentioned