MCQOPTIONS
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MCQOPTIONS
This section includes 169 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The use of hierarchy in routing tables can ________ the size of the routing tables. |
| A. | reduce |
| B. | increase |
| C. | both a and b |
| D. | none of the above |
| Answer» B. increase | |
| 102. |
Analog to digital conversion can be done using |
| A. | PCM |
| B. | DM |
| C. | Both a and b |
| D. | Neither a nor b |
| Answer» D. Neither a nor b | |
| 103. |
A simple parity-check code can detect __________ errors. |
| A. | an even-number of |
| B. | two |
| C. | no errors |
| D. | an odd-number of |
| Answer» E. | |
| 104. |
Transport layer protocols are useful for ensuring ______________ delivery. |
| A. | H-2-H |
| B. | H-2-R |
| C. | N/W-2-N/W |
| D. | End-2-End |
| Answer» B. H-2-R | |
| 105. |
Challenge-response authentication can be done using ________. |
| A. | symmetric-key ciphers |
| B. | asymmetric-key ciphers |
| C. | keyed-hash functions |
| D. | all of the above |
| Answer» E. | |
| 106. |
Regulation of the rate of transmission of data frames is known as |
| A. | Line discipline |
| B. | Data rate control |
| C. | Flow control |
| D. | Switch control |
| Answer» C. Flow control | |
| 107. |
In _______ forwarding, the destination address is a network address in the routing table. |
| A. | next-hop |
| B. | network-specific |
| C. | host-specific |
| D. | default |
| Answer» C. host-specific | |
| 108. |
Flow control is needed to prevent |
| A. | Bit errors |
| B. | Overflow of sender buffer |
| C. | Overflow of receiver buffer |
| D. | Collision |
| Answer» D. Collision | |
| 109. |
What is inter-frame gap? |
| A. | idle time between frames |
| B. | idle time between frame bits |
| C. | idle time between packets |
| D. | none of the above |
| Answer» B. idle time between frame bits | |
| 110. |
The physical layer translates logical communication requests from the ______ intohardware specific operations. |
| A. | data link layer |
| B. | network layer |
| C. | trasnport layer |
| D. | application layer |
| Answer» B. network layer | |
| 111. |
The frequency of the modulated signal is constant for the duration of one signal element, but changes for the next signal element if the data element changes. Both peak amplitude and phase remain constant for all signal elements. This is |
| A. | PSK |
| B. | FSK |
| C. | ASK |
| D. | None of the above |
| Answer» C. ASK | |
| 112. |
A straight permutation cipher or a straight P-box has same number of inputs as |
| A. | cipher |
| B. | Frames |
| C. | Outputs |
| D. | Bits |
| Answer» D. Bits | |
| 113. |
One of the responsibilities of the transport layer protocol is to create a ______ communication. |
| A. | host-to-host |
| B. | process-to-process |
| C. | node-to-node |
| D. | none of the above |
| Answer» C. node-to-node | |
| 114. |
Which one of the following is an internet standard protocol for managing devices on IPnetwork? |
| A. | dynamic host configuration protocol |
| B. | simple network management protocol |
| C. | internet message access protocol |
| D. | media gateway protocol |
| Answer» C. internet message access protocol | |
| 115. |
Adding 1 and 1 in modulo-2 arithmetic results in _________. |
| A. | 1 |
| B. | 2 |
| C. | none of the above |
| Answer» D. | |
| 116. |
The Internetworking Protocol (IP) is a ________ protocol. |
| A. | reliable |
| B. | connection-oriented |
| C. | both a and b |
| D. | none of the above |
| Answer» E. | |
| 117. |
The _________ for all computers on the same physical network is the same. |
| A. | host id |
| B. | physical address |
| C. | IP address |
| D. | n/w-id |
| Answer» E. | |
| 118. |
Shannon capacity formula for noisy channel is |
| A. | C = B Log (SNR) |
| B. | C = B Log (1/SNR) |
| C. | C = B Log (1 + SNR) |
| D. | None of the above |
| Answer» D. None of the above | |
| 119. |
A timer is set when _____________is sent. |
| A. | Packet |
| B. | ACK |
| C. | NAK |
| D. | All |
| Answer» B. ACK | |
| 120. |
A cable break in which topology stops all transmission |
| A. | Mesh |
| B. | Bus |
| C. | Star |
| D. | Primary |
| Answer» C. Star | |
| 121. |
OSI model defines an open system as |
| A. | a set of protocols that allows any two different systems to communicate |
| B. | a set of rules for open access |
| C. | a standard |
| D. | None of the above |
| Answer» B. a set of rules for open access | |
| 122. |
IP address___________ the physical address. |
| A. | is the same as |
| B. | has no relation with |
| C. | means |
| D. | none |
| Answer» C. means | |
| 123. |
_______ is a process-to-process protocol that adds only port addresses, checksum errorcontrol, and length information to the data from the upper layer. |
| A. | TCP |
| B. | UDP |
| C. | IP |
| D. | none of the above |
| Answer» C. IP | |
| 124. |
Attenuation means |
| A. | loss of energy |
| B. | change in form or shape of a signal |
| C. | crosstalk |
| D. | difference in frequency |
| Answer» B. change in form or shape of a signal | |
| 125. |
A _______ is an ARP that acts on behalf of a set of hosts. |
| A. | ARP |
| B. | RARP |
| C. | proxy ARP |
| D. | none of the above |
| Answer» D. none of the above | |
| 126. |
Which of following is a small single site network? |
| A. | LAN |
| B. | DSL |
| C. | RAM |
| D. | USB |
| E. | CPU |
| Answer» B. DSL | |
| 127. |
On the large scale, geographically speeded LAN's office are connected by using....... |
| A. | CAN |
| B. | LAN |
| C. | DAN |
| D. | WAN |
| E. | TAN |
| Answer» E. TAN | |
| 128. |
Two or more than two computers connected to each other for sharing an information forms a.......... |
| A. | Network |
| B. | Router |
| C. | Serves |
| D. | Tunnel |
| E. | None of these |
| Answer» B. Router | |
| 129. |
Server is a computer which provides resources other computers [SBI 2008] |
| A. | Network |
| B. | Mainframe |
| C. | Super computers |
| D. | Clients |
| E. | None of these |
| Answer» B. Mainframe | |
| 130. |
A combination of hardware and software, which provides facilities of sending and rationing of information between computer devices. [SBI 2008, 2009] |
| A. | Network |
| B. | Peripheral |
| C. | Expansion slot |
| D. | Digital device |
| E. | None of these |
| Answer» B. Peripheral | |
| 131. |
What is used to identify whether a data word has an odd or even number of is? [SSC CGL 2015] |
| A. | Cary bit |
| B. | Zero bit |
| C. | Parity bit |
| D. | Sign bit |
| Answer» D. Sign bit | |
| 132. |
A....... is a set of rules. |
| A. | Resource locator |
| B. | Domain |
| C. | Hypertext |
| D. | URL |
| E. | Protocol |
| Answer» F. | |
| 133. |
A (n).......is a combination of hardware and software that facilitates the sharing of information between computing devices. |
| A. | Network |
| B. | Peripheral |
| C. | Expansion Board |
| D. | Digital Device |
| E. | None of these |
| Answer» B. Peripheral | |
| 134. |
What type of resource is most likely to be a shared common resource in |
| A. | Printers |
| B. | Speakers |
| C. | Floppy Disk Drives |
| D. | Keyboards |
| E. | None of these |
| Answer» B. Speakers | |
| 135. |
A word in a web page that, when clicked, opens another document. [Bank of Baroda Clerk 2010] |
| A. | Anchor |
| B. | Hyperlink |
| C. | Reference |
| D. | URL |
| E. | None of these |
| Answer» C. Reference | |
| 136. |
To access a Mainframe or super computer user often use a???.. |
| A. | Terminal |
| B. | Node |
| C. | Desktop |
| D. | Handheld |
| E. | None of these |
| Answer» B. Node | |
| 137. |
A (n).......... is a small group of computers and peripherals linked together in a small geographic area. |
| A. | MAN |
| B. | PAN |
| C. | CAN |
| D. | LAN |
| E. | None of these |
| Answer» E. None of these | |
| 138. |
................. is a central computer which is concerned with collections of data and programs for PCs workstation and other computers. |
| A. | Super computer |
| B. | Minicomputer |
| C. | Laptop |
| D. | Server |
| E. | None of these |
| Answer» E. None of these | |
| 139. |
WAN is not useful for - |
| A. | Ministry of Foreign Affair |
| B. | Foreign Banks |
| C. | Municipality |
| D. | Airport Department |
| E. | None of these |
| Answer» D. Airport Department | |
| 140. |
Which of the following is not of the same group? |
| A. | Internet |
| B. | Apple talk |
| C. | Bus |
| D. | Ring |
| E. | None of these |
| Answer» C. Bus | |
| 141. |
LAN is useful for................ |
| A. | Railway |
| B. | Bank |
| C. | Businessman |
| D. | Transport Office |
| E. | None of these |
| Answer» D. Transport Office | |
| 142. |
Telephone broadcast is an example of .......... transmission. |
| A. | Simplex |
| B. | Half Duplex |
| C. | Full Duplex |
| D. | Automatic |
| E. | None of these |
| Answer» C. Full Duplex | |
| 143. |
Computer connected with LAN............. |
| A. | Work fast |
| B. | Go online |
| C. | Can e-mail |
| D. | Can share information or peripheral devices |
| E. | None of these |
| Answer» E. None of these | |
| 144. |
Which of the following refers to a small, single-site network? |
| A. | PAN |
| B. | DSL |
| C. | RAM |
| D. | USE |
| E. | CPU |
| Answer» B. DSL | |
| 145. |
A packet filtering firewall operates at which of the following OSI layers? |
| A. | At the application layer |
| B. | At the transport layer |
| C. | At the network layer |
| D. | At the gateway layer |
| E. | Both b and c |
| Answer» B. At the transport layer | |
| 146. |
In simplex channel, flow of data is |
| A. | always in one direction |
| B. | always in both direction |
| C. | in both direction, but one at a time |
| D. | All of the above |
| E. | None of the above |
| Answer» B. always in both direction | |
| 147. |
What do we call for the arrangement when two or more computers physically connected by cables to share information or hardware? [SBI Clerk 2015] |
| A. | URL |
| B. | Network |
| C. | Server |
| D. | Internet |
| E. | Modem |
| Answer» C. Server | |
| 148. |
A (n)......... is composed of several computers connected together to share resources and data. [RBI Grade B 2014] |
| A. | Internet |
| B. | Network |
| C. | Backbone |
| D. | Hyperlink |
| E. | Protocol |
| Answer» C. Backbone | |
| 149. |
Pathways,-that support communication among the various electronic components on the system board are called [SBI PO 2014] |
| A. | network lines |
| B. | processors |
| C. | logic Paths |
| D. | bus lines |
| E. | gateway |
| Answer» C. logic Paths | |
| 150. |
Which of the following terms is associated with networks? [SBI Clerk 2014] |
| A. | MS-Excel |
| B. | Mouse |
| C. | Word |
| D. | Connectivity |
| E. | Plotter |
| Answer» E. Plotter | |