McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) , Information Technology Engineering (IT) , Bachelor of Science in Computer Science TY (BSc CS) , Bachelor of Computer Applications (BCA) , Master of Science in Information Technology (MSc IT) .
| 51. |
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 the full block |
| Answer» D. occupies only the size it needs and not the full block | |
| 52. |
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 the clients |
| D. | none of the above |
| Answer» A. manage file system namespace | |
| 53. |
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 | |
| 54. |
For the frequently accessed HDFS files the blocks are cached in |
| A. | the memory of the data node |
| B. | in the memory of the namenode |
| C. | both the above |
| D. | none of the above |
| Answer» A. the memory of the data node | |
| 55. |
Which scenario demands highest bandwidth for data transfer between nodes |
| A. | different nodes on the same rack |
| B. | nodes on different racks in the same data center. |
| C. | nodes in different data centers |
| D. | data on the same node |
| Answer» C. nodes in different data centers | |
| 56. |
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 | |
| 57. |
In HDFS the files cannot be |
| A. | read |
| B. | deleted |
| C. | executed |
| D. | archived |
| Answer» C. executed | |
| 58. |
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 the clients |
| Answer» D. perform read-write operation as per request for the clients | |
| 59. |
NameNode and DataNode do communicate using |
| A. | active pulse |
| B. | heartbeats |
| C. | h-signal |
| D. | data pulse |
| Answer» B. heartbeats | |
| 60. |
Amazon EC2 provides virtual computing environments, known as : |
| A. | chunks |
| B. | instances |
| C. | messages |
| D. | none of the mentioned |
| Answer» B. instances | |
| 61. |
Data stored in domains doesn’t require maintenance of a schema. |
| A. | simpledb |
| B. | sql server |
| C. | oracle |
| D. | rds |
| Answer» A. simpledb | |
| 62. |
Which of the following is a system for creating block level storage devices that can be used for Amazon Machine Instances in EC2 ? |
| A. | cloudwatch |
| B. | amazon elastic block store |
| C. | aws import/export |
| D. | all of the mentioned |
| Answer» B. amazon elastic block store | |
| 63. |
Which of the following type of virtualization is also characteristic of cloud computing |
| A. | storage |
| B. | application |
| C. | cpu |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 64. |
Which of the following is most important feature of cloud storage listed below ? |
| A. | logon authentication |
| B. | bare file |
| C. | multiplatform support |
| D. | adequate bandwidth |
| Answer» A. logon authentication | |
| 65. |
Which of the following is open cloud storage management standard by SNIA ? |
| A. | cdmi |
| B. | occi |
| C. | cea |
| D. | adequate bandwidth |
| Answer» A. cdmi | |
| 66. |
Which of the following system does not provision storage to most users ? |
| A. | paas |
| B. | iaas |
| C. | caas |
| D. | saas |
| Answer» B. iaas | |
| 67. |
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 | |
| 68. |
Which of the following backup create a cloned copy of your current data or drive ? |
| A. | continuous data protection |
| B. | open file backup |
| C. | reverse delta backup |
| D. | none of the mentioned |
| Answer» A. continuous data protection | |
| 69. |
Which of the following storage devices exposes its storage to clients as Raw storage that can be partitioned to create volumes ? |
| A. | block |
| B. | file |
| C. | disk |
| D. | all of the mentioned |
| Answer» A. block | |
| 70. |
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 | |
| 71. |
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 | |
| 72. |
Which of the following is an edge-storage or content-delivery system that caches data in different physical locations? |
| A. | amazon relational database service |
| B. | amazon simpledb |
| C. | amazon cloudfront |
| D. | amazon associates web services |
| Answer» C. amazon cloudfront | |
| 73. |
Which of the following allows you to create instances of the MySQL database to support your Web sites? |
| A. | amazon elastic compute cloud |
| B. | amazon simple queue service |
| C. | amazon relational database service |
| D. | amazon simple storage system |
| Answer» C. amazon relational database service | |
| 74. |
. Which of the following allows you to create instances of the MySQL database to support your Web sites? |
| A. | amazon elastic compute cloud |
| B. | amazon simple queue service |
| C. | amazon relational database service |
| D. | amazon simple storage system |
| Answer» C. amazon relational database service | |
| 75. |
Point out the correct statement. |
| A. | amazon elastic cloud is a system for creating virtual disks(volume) |
| B. | simpledb interoperates with both amazon ec2 and amazon s3 |
| C. | ec3 is an analytics as a service provider |
| D. | none of the mentioned |
| Answer» B. simpledb interoperates with both amazon ec2 and amazon s3 | |
| 76. |
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 | |
| 77. |
Which of the following is a billing and account management service? |
| A. | amazon elastic mapreduce |
| B. | amazon mechanical turk |
| C. | amazon devpay |
| D. | multi-factor authentication |
| Answer» C. amazon devpay | |
| 78. |
Which of the following is not the feature of Network management systems? |
| A. | accounting |
| B. | security |
| C. | performance |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 79. |
Which of the following service provider provides the least amount of built in security? |
| A. | saas |
| B. | paas |
| C. | iaas |
| D. | all of the mentioned |
| Answer» C. iaas | |
| 80. |
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 | |
| 81. |
Which of the following services that need to be negotiated in Service Level Agreements? |
| A. | logging |
| B. | auditing |
| C. | regulatory compliance |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 82. |
The following flowchart is intended to evaluate in any cloud. |
| A. | risk |
| B. | errors |
| C. | inconsistencies |
| D. | none of the mentioned |
| Answer» A. risk | |
| 83. |
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 a local 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 | |
| 84. |
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 | |
| 85. |
Which of the following is the operational domain of CSA(Cloud Security Alliance)? |
| A. | scalability |
| B. | portability and interoperability |
| C. | flexibility |
| D. | none of the mentioned |
| Answer» B. portability and interoperability | |
| 86. |
Which of the following is considered an essential element in cloud computing by CSA? |
| A. | multi-tenancy |
| B. | identity and access management |
| C. | virtualization |
| D. | all of the mentioned |
| Answer» A. multi-tenancy | |
| 87. |
Which of the following is used for Web performance management and load testing? |
| A. | vmware hyperic |
| B. | webmetrics |
| C. | univa ud |
| D. | tapinsystems |
| Answer» B. webmetrics | |
| 88. |
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 | |
| 89. |
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 | |
| 90. |
Which of the following functional cloud computing hardware/software stack is the Cloud Reference Model? |
| A. | cas |
| B. | csa |
| C. | sac |
| D. | all of the mentioned |
| Answer» A. cas | |
| 91. |
For the model, the security boundary may be defined for the vendor to include the software framework and middleware layer. |
| A. | saas |
| B. | paas |
| C. | iaas |
| D. | all of the mentioned |
| Answer» B. paas | |
| 92. |
Which of the following model allows vendor to provide security as part of the Service Level Agreement? |
| A. | saas |
| B. | paas |
| C. | iaas |
| D. | all of the mentioned |
| Answer» A. saas | |
| 93. |
Which of the following cloud does not require mapping? |
| A. | public |
| B. | private |
| C. | hybrid |
| D. | none of the mentioned |
| Answer» A. public | |
| 94. |
Which of the following service model is owned in terms of infrastructure by both vendor and customer? |
| A. | public |
| B. | private |
| C. | hybrid |
| D. | none of the mentioned |
| Answer» C. hybrid | |
| 95. |
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 | |
| 96. |
Which of the following has infrastructure security managed and owned by the vendor? |
| A. | hybrid |
| B. | private/community |
| C. | public |
| D. | none of the mentioned |
| Answer» B. private/community | |
| 97. |
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 | |
| 98. |
is an application for collecting messages sent in RSS and Atom format from information providers. |
| A. | google reader |
| B. | yahoo mail |
| C. | emailrackspace |
| D. | all of the mentioned |
| Answer» A. google reader | |
| 99. |
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 | |
| 100. |
Which of the following was developed an alternative to XML syndication by IETF? |
| A. | atom publishing protocol |
| B. | atom subscribing protocol |
| C. | atom subscribe protocol |
| D. | none of the mentioned |
| Answer» A. atom publishing protocol | |
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