In which routing method do all the routers have a common database ?
A. | Distance vector |
B. | Link state |
C. | Link vector |
D. | None of these |
Option: B Explanation : In link state routing each router creates its own link state packet (LSP). Every other router receives this LSP through the flooding process. All routers therefore have the same information. This is compiled into the link state database. Click on Discuss to view users comments. |
A terminal multiplexer has six 1200 bps terminals and (rf 300 bps terminals connected to it. The outgoing line is 9600 bps. What is the maximum value of n?
A. | 4 |
B. | 16 |
C. | 8 |
D. | 28 |
Option: C Explanation : Click on Discuss to view users comments. |
Data link layer retransmits the damaged frames in most networks. If probability of a frame's being damaged is p, then what is the mean number of transmissions required to send a frame if acknowledgements are never lost ?
A. | K / K - P |
B. | 1 / K - P |
C. | K / K(1 + p) |
D. | p / K + 1 |
Option: B Explanation : Click on Discuss to view users comments. |
If a designer wants to design a point-to-point subnetwork with 10 routers of full duplex line, then total number of lines among them would be
A. | 10 |
B. | 20 |
C. | 45 |
D. | 90 |
Option: D Explanation :
p> Full duplex means transmission and reception can take place simultaneously. So we need 1 line for transmission and 1 for reception. that means between any 2 devices there will be 2 lines.
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