Telecommunications and Network Design Strategies Network switches provide essential connectivity in local and wide area net
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Question 1
A. Telecommunications and Network Design Strategies Network switches provide essential connectivity in local and wide area networks. Some of them run in multilayer between layers 2 and 3. What protocol unit is being used in layer 2?
a) packet
b) segment
c) frame
d) datagram
Question 2
The backbone of the Internet is structured by the Internet Protocol (IP). Which of the following network devices provides this Internet Protocol?
a) switch
b) router
c) hub
d) repeater
Question 3
The transport layer provides two different types of protocols: TCP and UDP. What decides to use TCP or UDP?
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