MCQOPTIONS
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MCQOPTIONS
This section includes 228 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science Engineering (CSE) knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Absolute time synchronization can beachieved using |
| A. | vector time stamping method |
| B. | christian’s method |
| C. | lamport’s method |
| D. | ricart-agrawala algorithm |
| Answer» C. lamport’s method | |
| 52. |
is a process that prevents multiple threads or processes from accessing sharedresources at the same time. |
| A. | critical section |
| B. | deadlock |
| C. | message passing |
| D. | mutual exclusion |
| Answer» E. | |
| 53. |
all related objects moved and left to a server upon the first RPC |
| A. | call by value |
| B. | call by move |
| C. | call by visit |
| D. | call by reference |
| Answer» C. call by visit | |
| 54. |
If processes p and q both receive messages m and m', then p receives m before m' if and only if q receives m before m'.The order delivery iscalled |
| A. | absolute ordering |
| B. | consistent ordering |
| C. | causal ordering |
| D. | fifo ordering |
| Answer» C. causal ordering | |
| 55. |
Which address is used to identify a processon a host by the transport layer? |
| A. | physical address |
| B. | logical address |
| C. | port address |
| D. | specific address |
| Answer» D. specific address | |
| 56. |
Which of the followingallocates/deallocates buffers |
| A. | rrl |
| B. | stub/skeleton layer |
| C. | transport layer |
| D. | networking layer |
| Answer» B. stub/skeleton layer | |
| 57. |
Message passing provides a mechanism to allow processes to communicate and to synchronize theiractions |
| A. | by sharing the same address space |
| B. | without sharing the same address space |
| C. | by sharing the same process number and process identifier |
| D. | by sharing port number |
| Answer» B. without sharing the same address space | |
| 58. |
is an object acting as agateway for the client side. |
| A. | skeleton |
| B. | stub |
| C. | remote |
| D. | server |
| Answer» C. remote | |
| 59. |
An architecture where clients first communicate the server for data then format and display it to the users, isknown as |
| A. | client/server architecture |
| B. | three-tier architecture |
| C. | two-tier architecture |
| D. | peer-to-peer architecture |
| Answer» B. three-tier architecture | |
| 60. |
provides programmers a familiar programming model by extending the local procedure call to a distributedenvironment |
| A. | distributed environment |
| B. | permanent procedure call |
| C. | process and file |
| D. | remote procedure call |
| Answer» E. | |
| 61. |
Machine that places the request to access the data is generally called as. |
| A. | server machine |
| B. | client machine |
| C. | request machine |
| D. | database server |
| Answer» C. request machine | |
| 62. |
The local operating system on the server machine passes the incomingpackets to the |
| A. | server stub |
| B. | client stub |
| C. | client operating system |
| D. | binding agent |
| Answer» B. client stub | |
| 63. |
Transient communication doneby layer |
| A. | network |
| B. | transport |
| C. | physical |
| D. | session |
| Answer» C. physical | |
| 64. |
What are the exceptions which have to be handled in a RMI clientprogram? |
| A. | malformedurlexception |
| B. | notfoundexception |
| C. | arithmeticexception |
| D. | class•not•found•excepti on |
| Answer» B. notfoundexception | |
| 65. |
In RMI, the objects are passed by. |
| A. | value |
| B. | reference |
| C. | value and reference |
| D. | object |
| Answer» B. reference | |
| 66. |
Internet provides for remotelogin. |
| A. | telnet |
| B. | http |
| C. | ftp |
| D. | rpc |
| Answer» B. http | |
| 67. |
Distributed pervasive system is alsoknown as |
| A. | ubiquitous computing |
| B. | user interface design |
| C. | graphical user interface |
| D. | peer to peer system |
| Answer» B. user interface design | |
| 68. |
A “glue” between client and server parts ofapplication |
| A. | middleware |
| B. | firmware |
| C. | package |
| D. | system software |
| Answer» B. firmware | |
| 69. |
A distributed system is defined as a collection of autonomous computers linked by a network with software designed to produce an integratedcomputing facility. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 70. |
In distributed systems, what will the transaction coordinator do? |
| A. | starts the execution of transaction |
| B. | breaks the transaction into number of sub transactions |
| C. | coordinates the termination of the transaction |
| D. | all of the mentioned |
| Answer» E. | |
| 71. |
What are the advantages of token(with rings) passing approach?i) One processor as coordinator which handles all requestsii) No starvation if the ring is unidirectionaliii) There are many messages passed per section entered if few users want to get in sectioniv) One processor as coordinator which handles all requestsv) Only one message/entry if everyone wants to get in |
| A. | i |
| B. | ii and iii |
| C. | i, ii and iii |
| D. | i, ii and iv |
| Answer» E. | |
| 72. |
In distributed file system, file name does not reveal the file’s ___________ |
| A. | local name |
| B. | physical storage location |
| C. | both local name and physical storage location |
| D. | none of the mentioned |
| Answer» C. both local name and physical storage location | |
| 73. |
In a distributed file system, when a file’s physical storage location changes ___________ |
| A. | file name need to be changed |
| B. | file name need not to be changed |
| C. | file’s host name need to be changed |
| D. | file’s local name need to be changed |
| Answer» C. file’s host name need to be changed | |
| 74. |
A distributed system is defined as a collection of autonomous computers linked by a network with software designed to produce an integrated computing facility. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 75. |
A “glue†between client and server parts of application |
| A. | middleware |
| B. | firmware |
| C. | package |
| D. | system software |
| Answer» B. firmware | |
| 76. |
The hardware of DS has two types |
| A. | multiprocessor system,multicomputer system |
| B. | multiprocessor system,unicomputer system |
| C. | uniprocessor system,multicomputer system |
| D. | uniprocessor system,unicomputer system |
| Answer» B. multiprocessor system,unicomputer system | |
| 77. |
Process Fail - Stop in process omission faults |
| A. | can be detected in synchronous system. |
| B. | can be detected in asynchronous system. |
| C. | can be detected in synchronous and asynchronous system. |
| D. | can be detected in standalone system. |
| Answer» B. can be detected in asynchronous system. | |
| 78. |
Distributed pervasive system is also known as |
| A. | ubiquitous computing |
| B. | user interface design |
| C. | graphical user interface |
| D. | peer to peer system |
| Answer» B. user interface design | |
| 79. |
Type of cluster computing is |
| A. | load sharing cluster |
| B. | load holding cluster |
| C. | load replication cluster |
| D. | load balancing cluster |
| Answer» E. | |
| 80. |
Type of grid computing is |
| A. | collaborative grid |
| B. | system grid |
| C. | process grid |
| D. | channel grid |
| Answer» B. system grid | |
| 81. |
Scaling transparency hides |
| A. | system expansion |
| B. | system collaboration |
| C. | system failure |
| D. | system security |
| Answer» B. system collaboration | |
| 82. |
Internet provides                for remote login. |
| A. | telnet |
| B. | http |
| C. | ftp |
| D. | rpc |
| Answer» B. http | |
| 83. |
The header usually consists of the following elements in IPC I. Sequence number II. Structural information III. Address IV. File mode(Read/ Write) |
| A. | i,iii, iv |
| B. | i,ii, iii |
| C. | i, ii, iv |
| D. | i,iv |
| Answer» C. i, ii, iv | |
| 84. |
In RMI, the objects are passed by . |
| A. | value |
| B. | reference |
| C. | value and reference |
| D. | object |
| Answer» B. reference | |
| 85. |
What are the exceptions which have to be handled in a RMI client program? |
| A. | malformedurlexception |
| B. | notfoundexception |
| C. | arithmeticexception |
| D. | class•not•found•excepti on |
| Answer» B. notfoundexception | |
| 86. |
Transient communication done by layer |
| A. | network |
| B. | transport |
| C. | physical |
| D. | session |
| Answer» C. physical | |
| 87. |
The local operating system on the server machine passes the incoming packets to the |
| A. | server stub |
| B. | client stub |
| C. | client operating system |
| D. | binding agent |
| Answer» B. client stub | |
| 88. |
                                  provides programmers a familiar programming model by extending the local procedure call to a distributed environment |
| A. | distributed environment |
| B. | permanent procedure call |
| C. | process and file |
| D. | remote procedure call |
| Answer» E. | |
| 89. |
Machine that places the request to access the data is generally called as . |
| A. | server machine |
| B. | client machine |
| C. | request machine |
| D. | database server |
| Answer» C. request machine | |
| 90. |
An architecture where clients first communicate the server for data then format and display it to the users, is known as |
| A. | client/server architecture |
| B. | three-tier architecture |
| C. | two-tier architecture |
| D. | peer-to-peer architecture |
| Answer» B. three-tier architecture | |
| 91. |
                   is an object acting as a gateway for the client side. |
| A. | skeleton |
| B. | stub |
| C. | remote |
| D. | server |
| Answer» C. remote | |
| 92. |
Which of the following allocates/deallocates buffers |
| A. | rrl |
| B. | stub/skeleton layer |
| C. | transport layer |
| D. | networking layer |
| Answer» B. stub/skeleton layer | |
| 93. |
Message passing provides a mechanism to allow processes to communicate and to synchronize their actions |
| A. | by sharing the same address space |
| B. | without sharing the same address space |
| C. | by sharing the same process number and process identifier |
| D. | by sharing port number |
| Answer» B. without sharing the same address space | |
| 94. |
Which address is used to identify a process on a host by the transport layer? |
| A. | physical address |
| B. | logical address |
| C. | port address |
| D. | specific address |
| Answer» D. specific address | |
| 95. |
If processes p and q both receive messages m and m', then p receives m before m' if and only if q receives m before m'.The order delivery is called |
| A. | absolute ordering |
| B. | consistent ordering |
| C. | causal ordering |
| D. | fifo ordering |
| Answer» C. causal ordering | |
| 96. |
In all reliable multicast group communication |
| A. | n\ response expected from the receiver |
| B. | response from any of the receiver required |
| C. | response from \m\(1<m<n) of the \n\ receiver required |
| D. | response needed from all the receivers |
| Answer» E. | |
| 97. |
What is close group in group communication? |
| A. | only members can send messages to the group as a whole |
| B. | processes that are not members (clients) can send message to the group. |
| C. | the idea of groups is to support replicated servers |
| D. | processes that are not members (clients) but close to the group can send message to the group. |
| Answer» B. processes that are not members (clients) can send message to the group. | |
| 98. |
                   all related objects moved and left to a server upon the first RPC |
| A. | call by value |
| B. | call by move |
| C. | call by visit |
| D. | call by reference |
| Answer» C. call by visit | |
| 99. |
What is the feature of stateful server? |
| A. | longer server recovery time |
| B. | quick recovery after reboot |
| C. | file operations must be idempotent |
| D. | simple server design |
| Answer» B. quick recovery after reboot | |
| 100. |
           is a process that prevents multiple threads or processes from accessing shared resources at the same time. |
| A. | critical section |
| B. | deadlock |
| C. | message passing |
| D. | mutual exclusion |
| Answer» E. | |