Question

Transport and Application layer of the Internet protocol stack are implemented in the end systems but...

Transport and Application layer of the Internet protocol stack are implemented in the end systems but not in the routers in the network core.

a)True b)False

_______ data have discrete states and take discrete values.

a)Analog

b)Digital

c)Analog and Digital

d)None of the above

Engineering   Computer-Science   
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Homework Answers

Answer #1 

1)  True
Explanation:
--------------
Routers are layer-3 devices.
so, only physical, data-link, and network layers are present in the routers.

2)  b)  Digital
Explanation:
-------------
Digital data has discrete states.
Analog data does not have discrete states.
Analog signal is a continuous signal which represents physical measurements whereas Digital signals are discrete time signals generated by digital modulation.


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