Basic Computer Networks MCQ Question and Answer
Basic Computer Networks MCQ Question and Answer
151. Gateways can function all the way upto
- transport layer
- session layer
- presentation layer
- application layer
152. How many crosspoints are needed in a single-stage switch with 40 inputs and 50 outputs ?
- 40
- 50
- 90
- 2000
153. Which of the following is a time-division switch ?
- TSI
- TDM bus
- crosspoint
- both (a) and (b)
154. In a time - division switch, which governs the destination of a packet stored in RAM
- TDM bus
- crosspoint
- crossbar
- control unit
155. A bridge has access to which address of a station on the same network ?
- physical
- network
- service access point
- all of these
156. In which routing method do all the routers have a common database ?
- distance vector
- link state
- link vector
- none of these
157. What are the primary characteristics that distinguish a cell from a packet ?
- cells are generally smaller that packets
- cells do not incorporate physical address
- all cells have the same fixed length
- packet cannot be switched
158. Adaptive or dynamic directory used in packet routing changes
- within each user session
- with each user session
- at system generation time only
- both (a) and (b) above
159. The number of cross-points needed for 10 lines in a cross-point switch which is full duplex in nature and there are no self connection is
- 100
- 45
- 50
- 90
160. A terminal multiplexer has six 1200 bps terminals and 'n' 300 bps terminals connected to it. The outgoing line is 9600 bps. What is the maximum value of n ?
- 4
- 16
- 8
- 28