McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) , Electrical Engineering , Bachelor of Science in Computer Science TY (BSc CS) , Bachelor of Science in Information Technology FY (BSc IT) , Bachelor of Science in Information Technology SY (BSc IT) .
| 51. |
Which one of the following is a transport layer protocol used in internet? |
| A. | tcp |
| B. | udp |
| C. | both (a) and (b) |
| D. | none of the mentioned |
| Answer» C. both (a) and (b) | |
| 52. |
User datagram protocol is called connectionless because |
| A. | all udp packets are treated independently by transport layer |
| B. | it sends data as a stream of related packets |
| C. | both (a) and (b) |
| D. | none of the mentioned |
| Answer» A. all udp packets are treated independently by transport layer | |
| 53. |
Transmission control protocol is |
| A. | connection oriented protocol |
| B. | uses a three way handshake to establish a connection |
| C. | recievs data from application as a single stream |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 54. |
An endpoint of an inter-process communication flow across a computer network is called |
| A. | socket |
| B. | pipe |
| C. | port |
| D. | none of the mentioned |
| Answer» A. socket | |
| 55. |
Socket-style API for windows is called |
| A. | wsock |
| B. | winsock |
| C. | wins |
| D. | none of the mentioned |
| Answer» B. winsock | |
| 56. |
Which one of the following is a version of UDP with congestion control? |
| A. | datagram congestion control protocol |
| B. | stream control transmission protocol |
| C. | structured stream transport |
| D. | none of the mentioned |
| Answer» A. datagram congestion control protocol | |
| 57. |
A _____ is a TCP name for a transport service access point. |
| A. | port |
| B. | pipe |
| C. | node |
| D. | none of the mentioned |
| Answer» A. port | |
| 58. |
Transport layer protocols deals with |
| A. | application to application communication |
| B. | process to process communication |
| C. | node to node communication |
| D. | none of the mentioned |
| Answer» B. process to process communication | |
| 59. |
The ____ translates internet domain and host names to IP address. |
| A. | domain name system |
| B. | routing information protocol |
| C. | network time protocol |
| D. | internet relay chat |
| Answer» A. domain name system | |
| 60. |
Teredo is an automatic tunneling technique. In each client the obfuscated IPv4 address is represented by bits |
| A. | 96 to 127 |
| B. | 0 to 63 |
| C. | 80 to 95 |
| D. | 64 to 79 |
| Answer» A. 96 to 127 | |
| 61. |
Which one of the following allows a user at one site to establish a connection to another site and then pass keystrokes from local host to remote host? |
| A. | http |
| B. | ftp |
| C. | telnet |
| D. | none of the mentioned |
| Answer» C. telnet | |
| 62. |
Application layer protocol defines |
| A. | types of messages exchanged |
| B. | message format, syntax and semantics |
| C. | rules for when and how processes send and respond to messages |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 63. |
Which one of the following protocol delivers/stores mail to reciever server? |
| A. | simple mail transfer protocol |
| B. | post office protocol |
| C. | internet mail access protocol |
| D. | hypertext transfer protocol |
| Answer» A. simple mail transfer protocol | |
| 64. |
The ASCII encoding of binary data is called |
| A. | base 64 encoding |
| B. | base 32 encoding |
| C. | base 16 encoding |
| D. | base 8 encoding |
| Answer» A. base 64 encoding | |
| 65. |
Which one of the following is an internet standard protocol for managing devices on IP network? |
| A. | dynamic host configuration protocol |
| B. | simple newtwork management protocol |
| C. | internet message access protocol |
| D. | media gateway protocol |
| Answer» B. simple newtwork management protocol | |
| 66. |
Which one of the following is not an application layer protocol? |
| A. | media gateway protocol |
| B. | dynamic host configuration protocol |
| C. | resource reservation protocol |
| D. | session initiation protocol |
| Answer» C. resource reservation protocol | |
| 67. |
Which protocol is a signalling communication protocol used for controlling multimedia communication sessions? |
| A. | session initiation protocol |
| B. | session modelling protocol |
| C. | session maintenance protocol |
| D. | none of the mentioned |
| Answer» A. session initiation protocol | |
| 68. |
Which one of the following is not correct? |
| A. | application layer protocols are used by both source and destination devices during a communication session |
| B. | application layer protocols implemented on the source and destination host must match |
| C. | both (a) and (b) |
| D. | none of the mentioned |
| Answer» C. both (a) and (b) | |
| 69. |
When displaying a web page, the application layer uses the |
| A. | http protocol |
| B. | ftp protocol |
| C. | smtp protocol |
| D. | none of the mentioned |
| Answer» A. http protocol | |
| 70. |
The entire hostname has a maximum of |
| A. | 255 characters |
| B. | 127 characters |
| C. | 63 characters |
| D. | 31 characters |
| Answer» A. 255 characters | |
| 71. |
A DNS client is called |
| A. | dns updater |
| B. | dns resolver |
| C. | dns handler |
| D. | none of the mentioned |
| Answer» B. dns resolver | |
| 72. |
Servers handle requests for other domains |
| A. | directly |
| B. | by contacting remote dns server |
| C. | it is not possible |
| D. | none of the mentioned |
| Answer» B. by contacting remote dns server | |
| 73. |
DNS database contains |
| A. | name server records |
| B. | hostname-to-address records |
| C. | hostname aliases |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 74. |
If a server has no clue about where to find the address for a hostname then |
| A. | server asks to the root server |
| B. | server asks to its adjcent server |
| C. | request is not processed |
| D. | none of the mentioned |
| Answer» A. server asks to the root server | |
| 75. |
Which one of the following allows client to update their DNS entry as their IP address change? |
| A. | dynamic dns |
| B. | mail transfer agent |
| C. | authoritative name server |
| D. | none of the mentioned |
| Answer» A. dynamic dns | |
| 76. |
Wildcard domain names start with label |
| A. | @ |
| B. | * |
| C. | & |
| D. | # |
| Answer» B. * | |
| 77. |
The right to use a domain name is delegated by domain name registers which are accredited by |
| A. | internet architecture board |
| B. | internet society |
| C. | internet research task force |
| D. | internet corporation for assigned names and numbers |
| Answer» D. internet corporation for assigned names and numbers | |
| 78. |
The domain name system is maintained by |
| A. | distributed database system |
| B. | a single server |
| C. | a single computer |
| D. | none of the mentioned |
| Answer» A. distributed database system | |
| 79. |
Which one of the following is not true? |
| A. | multiple hostnames may correspond to a single ip address |
| B. | a single hostname may correspond to many ip addresses |
| C. | a single hostname may correspond to a single ip address |
| D. | none of the mentioned |
| Answer» C. a single hostname may correspond to a single ip address | |
| 80. |
Telnet protocol is used to establish a connection to |
| A. | tcp port number 21 |
| B. | tcp port number 22 |
| C. | tcp port number 23 |
| D. | tcp port number 24 |
| Answer» C. tcp port number 23 | |
| 81. |
Which one of the following is not true? |
| A. | telnet defines a network virtual terminal (nvt) standard |
| B. | client programs interact with nvt |
| C. | server translates nvt operations |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 82. |
All telnet operations are sent as |
| A. | 4 bytes |
| B. | 8 bytes |
| C. | 16 bytes |
| D. | 32 bytes |
| Answer» B. 8 bytes | |
| 83. |
AbsoluteTelnet is a telnet client for |
| A. | windows |
| B. | linux |
| C. | mac |
| D. | none of the mentioned |
| Answer» A. windows | |
| 84. |
The decimal code of interpret as command (IAC) character is |
| A. | 252 |
| B. | 253 |
| C. | 254 |
| D. | 255 |
| Answer» D. 255 | |
| 85. |
In character mode operation of telnet implementation |
| A. | each character typed is sent by the client to the server |
| B. | each character typed is discarded by the server |
| C. | both (a) an (b) |
| D. | none of the mentioned |
| Answer» A. each character typed is sent by the client to the server | |
| 86. |
Which one of the following is not correct? |
| A. | telnet is a general purpose client-server program |
| B. | telnet lets user access an application on a remote computer |
| C. | telnet can also be used for file transfer |
| D. | none of the mentioned |
| Answer» C. telnet can also be used for file transfer | |
| 87. |
Which operating mode of telnet is full duplex? |
| A. | default mode |
| B. | server mode |
| C. | line mode |
| D. | none of the mentioned |
| Answer» C. line mode | |
| 88. |
If we want that a character be interpreted by the client instead of server |
| A. | escape character has to be used |
| B. | control functions has to be disabled |
| C. | it is not possible |
| D. | none of the mentioned |
| Answer» A. escape character has to be used | |
| 89. |
Dynamic web page |
| A. | is same every time whenever it displays |
| B. | generates on demand by a program or a request from browser |
| C. | both (a) and (b) |
| D. | none of the mentioned |
| Answer» B. generates on demand by a program or a request from browser | |
| 90. |
What is a web browser? |
| A. | a program that can display a web page |
| B. | a program used to view html documents |
| C. | it enables user to access the resources of internet |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 91. |
Common gateway interface is used to |
| A. | generate executable files from web content by web server |
| B. | generate web pages |
| C. | stream videos |
| D. | none of the mentioned |
| Answer» A. generate executable files from web content by web server | |
| 92. |
URL stands for |
| A. | unique reference label |
| B. | uniform reference label |
| C. | uniform resource locator |
| D. | unique resource locator |
| Answer» C. uniform resource locator | |
| 93. |
A web cookie is a small piece of data |
| A. | sent from a website and stored in user’s web browser while a user is browsing a website |
| B. | sent from user and stored in the server while a user is browsing a website |
| C. | sent from root server to all servers |
| D. | none of the mentioned |
| Answer» A. sent from a website and stored in user’s web browser while a user is browsing a website | |
| 94. |
Which one of the following is not used to generate dynamic web pages? |
| A. | php |
| B. | asp.net |
| C. | jsp |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 95. |
An alternative of javascript on windows platform is |
| A. | vbscript |
| B. | asp.net |
| C. | jsp |
| D. | none of the mentioned |
| Answer» A. vbscript | |
| 96. |
What is document object model (DOM)? |
| A. | convention for representing and interacting with objects in html documents |
| B. | application programming interface |
| C. | hierarchy of objects in asp.net |
| D. | none of the mentioned |
| Answer» A. convention for representing and interacting with objects in html documents | |
| 97. |
AJAX stands for |
| A. | asynchronous javascript and xml |
| B. | advanced jsp and xml |
| C. | asynchronous jsp and xml |
| D. | advanced javascript and xml |
| Answer» A. asynchronous javascript and xml | |
| 98. |
Multiple object can be sent over a TCP connection between client and server in |
| A. | persistent http |
| B. | nonpersistent http |
| C. | both (a) and (b) |
| D. | none of the mentioned |
| Answer» A. persistent http | |
| 99. |
HTTP is ________ protocol. |
| A. | application layer |
| B. | transport layer |
| C. | network layer |
| D. | none of the mentioned |
| Answer» A. application layer | |
| 100. |
In the network HTTP resources are located by |
| A. | uniform resource identifier |
| B. | unique resource locator |
| C. | unique resource identifier |
| D. | none of the mentioned |
| Answer» A. uniform resource identifier | |
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