Question

*Possibilities when the routers are mobile: o Military vehicles on battlefield Emergency works at earthquake O A fleet of ships at sea O ANSWER (all) * Are senders who can sense each other but still transmit safely O O Hidden terminal Exposed Terminal Connectionless terminal Connection terminal O O

Answer 1

Question 1) Answer Option D

Reason: Option A,B,C are possibilities when mobile routers are used because,

It is a wireless adhoc network in which we can use mobile networks. Vehicular ad hoc network is used in order to communicate between military vehicles on battle field and fleet of ships. Emergency work at earthquake can also use this.

Question 2) Answer Option C

Reason: Option A is incorrect because hidden terminal is a problem. In this problem two or more carrier are transmitting to the same network.

Option B is incorrect because exposed terminal happens when a sender is restricted from sending a frame.

Option C is correct because in connection less terminal the sender sense each other and still transmit safely. This happens because this is done by Carrier Sense Multiple Access (CSMA) which is connectionless.

Option D is incorrect because connection terminal does not sense carrier.

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