1. A file in HDFS that is smaller than a single block size
A. cannot be stored in hdfs
B. occupies the full block\s size.
C. can span over multiple blocks
D. occupies only the size it needs and not thefull block
ANSWER: D. occupies only the size it needs and not thefull block
2. Which among the following are the duties of the NameNodes
A. manage file system namespace
B. it is responsible for storing actual data
C. perform read-write operation as per request for theclients
D. none of the above
ANSWER: A. manage file system namespace
3. If the IP address or hostname of a data node changes
A. the namenode updates the mapping between file name and block name
B. the data in that data node is lost forever
C. the namenode need not update mapping between file name and block name
D. there namenode has to be restarted
ANSWER: C. the namenode need not update mapping between file name and block name
4. For the frequently accessed HDFS files the blocks are cached in
A. the memory of thedata node
B. in the memory of thenamenode
C. both the above
D. none of the above
ANSWER: A. the memory of thedata node
5. Which scenario demands highest bandwidth for data transfer between nodes
A. different nodes on the same rack
B. nodes on differentracks in the same data center.
C. nodes in different data centers
D. data on the same node
ANSWER: C. nodes in different data centers
6. When a client contacts the namenode for accessing a file, the namenode responds with
A. size of the file requested
B. block id and hostname of all the data nodes containing that block
C. block id of the file requested
D. all of the above
ANSWER: B. block id and hostname of all the data nodes containing that block
7. In HDFS the files cannot be
A. read
B. deleted
C. executed
D. archived
ANSWER: C. executed
8. Which among the following is the duties of the Data Nodes
A. manage file system namespace
B. stores meta-data
C. regulates client’s access to files
D. perform read-write operation as per request for theclients
ANSWER: D. perform read-write operation as per request for theclients
9. NameNode and DataNode do communicate using
A. active pulse
B. heartbeats
C. h-signal
D. data pulse
ANSWER: B. heartbeats
10. Amazon EC2 provides virtual computing environments, known as :
A. chunks
B. instances
C. messages
D. none of the mentioned
ANSWER: B. instances
11. Data stored in domains doesn’t require maintenance of a schema.
A. simpledb
B. sql server
C. oracle
D. rds
ANSWER: A. simpledb
12. Which of the following is a system for creating block level storage devices thatcan be used for Amazon Machine Instances in EC2 ?
A. cloudwatch
B. amazon elastic blockstore
C. aws import/export
D. all of the mentioned
ANSWER: B. amazon elastic blockstore
13. Which of the following type of virtualization is also characteristic of cloudcomputing
A. storage
B. application
C. cpu
D. all of the mentioned
ANSWER: D. all of the mentioned
14. Which of the following is most important feature of cloud storage listed below?
A. logon authentication
B. bare file
C. multiplatformsupport
D. adequate bandwidth
ANSWER: A. logon authentication
15. Which of the following is open cloud storage management standard by SNIA ?
A. cdmi
B. occi
C. cea
D. adequate bandwidth
ANSWER: A. cdmi
16. Which of the following system does not provision storage to most users ?
A. paas
B. iaas
C. caas
D. saas
ANSWER: B. iaas
17. Which of the following service is provided by Google for online storage ?
A. drive
B. skydrive
C. dropbox
D. all of the mentioned
ANSWER: A. drive
18. Which of the following backup create a cloned copy of your current data ordrive ?
A. continuous dataprotection
B. open file backup
C. reverse delta backup
D. none of thementioned
ANSWER: A. continuous dataprotection
19. Which of the following storage devices exposes its storage to clients as Rawstorage that can be partitioned to create volumes ?
A. block
B. file
C. disk
D. all of the mentioned
ANSWER: A. block
20. Which of the following should be used considering factors shown in the figure?
A. simpledb
B. rds
C. amazon ec2
D. all of the mentioned
ANSWER: B. rds
21. Point out the wrong statement.
A. the metrics obtained by cloudwatch may be used to enable a feature called auto scaling
B. a number of tools are used to support ec2 services
C. amazon machine instances are sized at various levels and rented on a computing/hour basis
D. none of the mentioned
ANSWER: D. none of the mentioned
22. Which of the following is an edge-storage or content-delivery system thatcaches data in different physical locations?
A. amazon relationaldatabase service
B. amazon simpledb
C. amazon cloudfront
D. amazon associatesweb services
ANSWER: C. amazon cloudfront
23. Which of the following allows you to create instances of the MySQL databaseto support your Web sites?
A. amazon elasticcompute cloud
B. amazon simplequeue service
C. amazon relationaldatabase service
D. amazon simplestorage system
ANSWER: C. amazon relationaldatabase service
24. . Which of the following allows you to create instances of the MySQL databaseto support your Web sites?
A. amazon elasticcompute cloud
B. amazon simplequeue service
C. amazon relationaldatabase service
D. amazon simplestorage system
ANSWER: C. amazon relationaldatabase service
25. Point out the correct statement.
A. amazon elastic cloud is a system for creating virtualdisks(volume)
B. simpledb interoperates with both amazon ec2 andamazon s3
C. ec3 is an analytics as a service provider
D. none of the mentioned
ANSWER: B. simpledb interoperates with both amazon ec2 andamazon s3
26. Which of the following is the machinery for interacting with Amazon’s vast product data and eCommerce catalog function?
A. amazon elastic compute cloud
B. amazon associates web services
C. alexa web information service
D. all of the mentioned
ANSWER: B. amazon associates web services
27. Which of the following is a billing and account management service?
A. amazon elasticmapreduce
B. amazon mechanicalturk
C. amazon devpay
D. multi-factorauthentication
ANSWER: C. amazon devpay
28. Which of the following is not the feature of Network management systems?
A. accounting
B. security
C. performance
D. none of thementioned
ANSWER: D. none of thementioned
29. Which of the following service provider provides the least amount of built insecurity?
A. saas
B. paas
C. iaas
D. all of the mentioned
ANSWER: C. iaas
30. Point out the correct statement.
A. different types of cloud computing service models provide different levels of security services
B. adapting your on- premises systems to a cloud model requires that you determine what security mechanisms are required
C. data should be transferred and stored in an encrypted format for security purpose
D. all of the mentioned
ANSWER: D. all of the mentioned
31. Which of the following services that need to be negotiated in Service LevelAgreements?
A. logging
B. auditing
C. regulatorycompliance
D. all of the mentioned
ANSWER: D. all of the mentioned
32. The following flowchart is intended to evaluate in any cloud.
A. risk
B. errors
C. inconsistencies
D. none of the mentioned
ANSWER: A. risk
33. Point out the wrong statement.
A. you can use proxy and brokerage services to separate clients from direct access to shared cloud storage
B. any distributed application has a much greater attack surface than an application that is closely held on alocal area network
C. cloud computing doesn’t have vulnerabilities associated with internet applications
D. all of the mentioned
ANSWER: C. cloud computing doesn’t have vulnerabilities associated with internet applications
34. Which of the following area of cloud computing is uniquely troublesome?
A. auditing
B. data integrity
C. e-discovery for legal compliance
D. all of the mentioned
ANSWER: D. All of the mentioned
35. Which of the following is the operational domain of CSA(Cloud SecurityAlliance)?
A. scalability
B. portability and interoperability
C. flexibility
D. none of the mentioned
ANSWER: B. portability and interoperability
36. Which of the following is considered an essential element in cloud computingby CSA?
A. multi-tenancy
B. identity and access management
C. virtualization
D. all of the mentioned
ANSWER: A. multi-tenancy
37. Which of the following is used for Web performance management and loadtesting?
A. vmware hyperic
B. webmetrics
C. univa ud
D. tapinsystems
ANSWER: B. webmetrics
38. Which of the following service provider provides the highest level of service?
A. saas
B. paas
C. iaas
D. all of the mentioned
ANSWER: A. saas
39. Point out the correct statement.
A. paas supplies the infrastructure
B. iaas adds application development frameworks, transactions, and control structures
C. saas is an operating environment with applications, management, and the user interface
D. all of the mentioned
ANSWER: C. saas is an operating environment with applications, management, and the user interface
40. Which of the following functional cloud computing hardware/software stackis the Cloud Reference Model?
A. cas
B. csa
C. sac
D. all of the mentioned
ANSWER: A. cas
41. For the model, the security boundary may be defined for thevendor to include the software framework and middleware layer.
A. saas
B. paas
C. iaas
D. all of the mentioned
ANSWER: B. paas
42. Which of the following model allows vendor to provide security as part of theService Level Agreement?
A. saas
B. paas
C. iaas
D. all of the mentioned
ANSWER: A. saas
43. Which of the following cloud does not require mapping?
A. public
B. private
C. hybrid
D. none of the mentioned
ANSWER: A. public
44. Which of the following service model is owned in terms of infrastructure byboth vendor and customer?
A. public
B. private
C. hybrid
D. none of the mentioned
ANSWER: C. hybrid
45. Which of the following model type is not trusted in terms of security?
A. public
B. private
C. hybrid
D. none of the mentioned
ANSWER: A. public
46. Which of the following has infrastructure security managed and owned bythe vendor?
A. hybrid
B. private/community
C. public
D. none of the mentioned
ANSWER: B. private/community
47. Point out the wrong statement.
A. each different type of cloud service delivery model creates a security boundary
B. any security mechanism below the security boundary must be built into the system
C. any security mechanism above the security boundary must be maintained by the customer
D. all of the mentioned
ANSWER: D. all of the mentioned
48. is an application for collecting messages sent in RSS and Atomformat from information providers.
A. google reader
B. yahoo mail
C. emailrackspace
D. all of the mentioned
ANSWER: A. google reader
49. Which of the following application is a newsreader?
A. google reader
B. bloglines
C. newsgator online
D. all of the mentioned
ANSWER: D. all of the mentioned
50. Which of the following was developed an alternative to XML syndication byIETF?
A. atom publishingprotocol
B. atom subscribing protocol
C. atom subscribe protocol
D. none of the mentioned
ANSWER: A. atom publishing protocol
