Quiznetik

Cloud Computing | Set 8

1. Point out the correct statement.

Correct : C. data centers have been sited to optimize the overall system latency

2. Which of the following benefit is related to creates resources that are pooled together in a system that supports multi-tenant usage?

Correct : A. on-demand self-service

3. The            is something that you can obtain under contract from your vendor.

Correct : B. qos

4. Point out the wrong statement.

Correct : A. internet consumes roughly 1 percent of the world’s total power

5. All cloud computing applications suffer from the inherent                that is intrinsic in their WAN connectivity.

Correct : B. latency

6. Cloud computing is a                system and it is necessarily unidirectional in nature.

Correct : A. stateless

7. Which of the following is the most important area of concern in cloud computing?

Correct : A. security

8. You can’t count on a cloud provider maintaining your            in the face of government actions.

Correct : C. privacy

9. Which of the following architectural standards is working with cloud computing industry?

Correct : A. service-oriented architecture

10. Which of the following is the central application in the AWS portfolio?

Correct : A. amazon elastic compute cloud

11. Which of the following is a message queue or transaction system for distributed Internet- based applications?

Correct : B. amazon simple queue service

12. Which of the following is a system for creating block level storage devices that can be used for Amazon Machine Instances in EC2?

Correct : B. amazon elastic block store

13. Which of the following feature is used for scaling of EC2 sites?

Correct : B. auto scaling

14. Which of the following is a Web service that can publish messages from an application and deliver them to other applications or to subscribers?

Correct : C. amazon simple notification service

15. Which of the following metrics are used to support Elastic Load Balancing?

Correct : A. cloudwatch

16. Which of the following is an online backup and storage system?

Correct : D. amazon simple storage system

17. Which of the following cloud storage is mainly meant for developers and to support applications built using Web services?

Correct : A. managed

18. Point out the correct statement.

Correct : B. in unmanaged storage, the storage service provider makes storage capacity available to users

19. Which of the following is the form of unmanaged cloud storage?

Correct : D. all of the mentioned

20. Which of the following is an example of an unmanaged storage utility set up to do automated backups?

Correct : D. all of the mentioned

21. Point out the wrong statement.

Correct : B. managed storage is relatively cheap to use

22. Which of the following factors led to the demise of many of the early SSPs and to many hosted file services?

Correct : D. all of the mentioned

23. Which of the following is the simplest unmanaged cloud storage device?

Correct : A. file transfer utility

24. The service FreeDrive is storage that allows                  users to view the content of others.

Correct : A. facebook

25. Which of the following file transfer utility creates a shared folder metaphor using a Web service?

Correct : A. dropbox

26. Which of the following offers Storage size of 10GB free t0 100 GB paid?

Correct : B. 4shared

27. Point out the correct statement.

Correct : D. all of the mentioned

28. Which of the following is a repeatable task within a business process?

Correct : A. service

29. Which of the following describes a message-passing taxonomy for a component- based architecture that provides services to clients upon demand?

Correct : A. soa

30. Which of the following is used to define the service component that performs the service?

Correct : B. scdl

31. Which of the following is commonly used to describe the service interface, how to bind information, and the nature of the component’s service or endpoint?

Correct : A. wsdl

32. Which of the following provides commands for defining logic using conditional statements?

Correct : B. ws-bpel

33. Which of the following is used as middleware layer in the following figure?

Correct : B. esb

34. To publish a REST service with Spring.

Correct : D. all of the mentioned

35. Publishing an application’s data as a REST service requires.

Correct : C. all of the mentioned

36. Annotation added as an input parameter to the handler method.

Correct : A. @pathvariable

37. Notation for defining REST endpoints.

Correct : C. all of the mentioned

38. General-purpose class that allows a response to be rendered using a marshaller.

Correct : A. marshallingview

39. The marshaller used by MarshallingView belongs to one of a series of XML marshallers.

Correct : D. all of the mentioned

40. To configure Jaxb2Marshaller marshaller we require.

Correct : C. all of the mentioned

41. Annotation which allows the Jaxb2Marshaller marshaller to detect a class’s (i.e., object’s) fields.

Correct : A. @xmlrootelement

42. Accessing a third-party REST service inside a Spring application.

Correct : A. resttemplate class

43. REST service end point comprises an address.

Correct : A. starts with http:// and ends with ?

44. XML tag which represents information related to a REST service request.

Correct : D. all of the mentioned

45. RestTemplate class method which performs an HTTP HEAD operation.

Correct : A. headforheaders(string, object…)

46. A web service contract is described using :-

Correct : A. web services description language

47. In contrast, the contract-first approach encourages you to think of the service contract first in terms of :-

Correct : D. all of the mentioned

48. Service exporters that can export a bean as a remote service based on the :-

Correct : D. all of the mentioned

49. The standard for deploying web services on the Java EE platform as of Java EE 1.4:-

Correct : A. jax-rpc

50. If you are deploying into a Java EE 5 (or better) container, you may simply create a bean that is annotated with:-

Correct : C. all of the mentioned

51. Spring provides a factory that can export beans annotated with:-

Correct : C. all of the mentioned

52. Exposing a stand-alone SOAP endpoint using the:-

Correct : C. all of the mentioned

53. Factory to use our Spring bean as the implementation:-

Correct : B. jaxws:endpoint

54. Publishing messages is handled through                  Class.

Correct : A. client()

55. client() class provides                  to create topics.

Correct : C. methods

56. method publishes messages to pub/sub.

Correct : B. publish()

57. How many arguments are accepted by publish()?

Correct : D. 2 arguments

58. The topic in the publish method is in which form?

Correct : B. canonical form

59. The message in pub/sub is an opaque blob of

Correct : B. bytes

60. error will show if we try to send text string instead of bytes.

Correct : A. typeerror

61. What do we call string in python 2?

Correct : B. unicode

62. When you publish a message                  is automatically created?

Correct : C. batch

63. What is the time elapsed after a batch is created?

Correct : B. 0.05 seconds

64. Every call to publish() will return a class that conforms to the                      interface.

Correct : D. future

65. Point out the wrong statement.

Correct : C. all cloud computing applications combine their resources into pools that can be assigned on demand to users

66. Which of the following type of virtualization is also characteristic of cloud computing?

Correct : D. all of the mentioned

67. The technology used to distribute service requests to resources is referred to as

Correct : C. load balancing

68. Point out the correct statement.

Correct : D. all of the mentioned

69. Which of the following software can be used to implement load balancing?

Correct : B. apache mod_proxy_balancer

70. Which of the following network resources can be load balanced?

Correct : D. all of the mentioned

71. Which of the following is a more sophisticated load balancer?

Correct : A. workload managers

72. A              is a combination load balancer and application server that is a server placed between a firewall or router.

Correct : C. adc

73. Which of the following should be replaced with the question mark in the following figure?

Correct : B. virtualization

74. In memory-mapped I/O

Correct : A. the i/o devices and the memory share the same address space

75. The usual BUS structure used to connect the I/O devices is

Correct : C. single bus structure

76. The advantage of I/O mapped devices to memory mapped is

Correct : C. the devices have to deal with fewer address lines

77. The system is notified of a read or write operation by

Correct : D. sending a special signal along the bus

78. To overcome the lag in the operating speeds of the I/O device and the processor we use

Correct : B. status flags

79. The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is?

Correct : C. interrupts

80. The method which offers higher speeds of I/O transfers is

Correct : D. dma

81. The process wherein the processor constantly checks the status flags is called as

Correct : A. polling

82. The purpose of backup is:

Correct : D. all of the mentioned

83. Backup of the source data can be created

Correct : D. all of the mentioned

84. Which of the following backup technique is most space efficient?

Correct : B. incremental backup

85. Which of the following statements are true?

Correct : D. all of the mentioned

86. Which of the following qualifies as best DR (Disaster Recovery) site?

Correct : D. dr site in a different country

87. Which of the following techniques can be used for optimizing backed up data space?

Correct : B. compression and deduplication

88. To decide on a backup strategy for your organization, which of the following should you consider?

Correct : C. both rpo & rto

89. Which of the following can be used for reducing recovery time?

Correct : D. all of the mentioned

90. Which of the following is false?

Correct : C. storing the backup copy near to its original site is best strategy

91. Which of the following is Backup software?

Correct : D. all of the mentioned

92. Which of the following is incorrect?

Correct : B. each layer provides services to the layer “below” and makes use of services provided by the layer “above”

93. What is Relaxed Layered Style?

Correct : B. sometimes this constraint is relaxed slightly to allow each layer to use all the layers below it

94. Which of the following is correct?

Correct : A. module a uses module b if a correct version of b must be present for a to execute correctly

95. Which of the following is true with respect to layered architecture?

Correct : D. none of the mentioned

96. What is Onion diagram illustrates?

Correct : D. none of the mentioned

97. In particular, layers have which of the following characteristics?

Correct : A. layers are by definition highly cohesive, thus satisfying the principle of cohesion

98. What are the drawbacks for Layers?

Correct : C. multi-layered programs can be hard to debug because operations tend to be implemented through a series of calls across layers

99. Which of the following is correct?

Correct : D. all of the mentioned

100. Which of the following is one of the unique attributes of Cloud Computing?

Correct : D. all of the mentioned