Basic Computer Networks MCQ Question and Answer
Basic Computer Networks MCQ Question and Answer
141. Which of the following uses an 8B/6T encoding scheme ?
- 100 Base-TX
- 100 Base-FX
- 100 Base-T4
- 100 Base-T1
142. IBM's Token-Ring network uses
- adaptive routing
- source routing
- alternative routing
- spanned tree routing
143. The systems that can be used in both priority and nonpriority modes, is
- TDM
- register insertion
- carrier sense systems
- token passing
144. In a crossbar with 1000 crosspoints, how many statistically are in use at any time ?
- 100
- 250
- 500
- 1000
145. In which circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM ?
- space-division
- time-division
- virtual
- packet
146. Which of the following can be handled by a gateway ?
- protocol conversion
- packet resizing
- data encapsulation
- both (a) and (b)
147. Gateways function in which OSI layers ?
- the lower three
- the upper four
- all seven
- all but the physical layer
150. routers function in which layers ?
- physical and data link
- physical data link, and network
- data link and network
- network and transport