Data Communication and Networking – Data link Protocols – Synchronous protocols – Character-Oriented Protocol MCQs

This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “Data link Protocols – Synchronous protocols – Character-Oriented Protocol ”.
 

1
. Control information in a system using _______ protocol are characters from an existing character encoding system
  • an asynchronous
  • a character-oriented
  • a bit-oriented
  • b and c
2
. BSC operates in the _______ mode.
  • simplex
  • half-duplex
  • full-duplex
  • duplex
3
. BSC uses _______ for flow control.
  • stop-and-wait ARQ
  • go-back-n ARQ
  • selective-reject ARQ
  • any of the above
4
. In BSC, an _______ means that a frame was accepted.
  • ACK
  • ACK0
  • ACK1
  • b and c
5
. Control characters for a character-oriented protocol can be represented by _______.
  • one character
  • two characters
  • three characters
  • any of the above
6
. A BSC frame starts with a _______ character.
  • SOH
  • SYN
  • BCC
  • STX
7
. In BSC, the character following the _______ character is data.
  • SOH
  • SYN
  • BCC
  • STX
8
. In BSC, the header follows the _______ character.
  • SOH
  • SYN
  • BCC
  • STX
9
. In BSC, the BCC character can follow the _______ character.
  • ITB
  • ETX
  • ETB
  • any of the above
10
. How many ETX characters are in one message?
  • 1
  • 2
  • 3
  • depends on how the message is split
11
. How many ETB characters in one message?
  • 1
  • 2
  • 3
  • depends on how the message is split
12
. What is the purpose of a BSC control frame?
  • establishes connections
  • flow and error control
  • terminates connections
  • all of the above
13
. When message data is mistaken for control data, this is called a lack of _______.
  • synchronization
  • data transparency
  • flow control
  • line discipline
14
. How does the BSC protocol handle message data that looks like control data?
  • byte stuffing
  • bit stuffing
  • frame mapping
  • byte mapping
15
. In BSC, a region of message data can be made transparent by inserting a _______ character before the STX character and before the ETX, ITB, or ETB character
  • SYN
  • SOH
  • DLE
  • BCC

 
 
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