Please answer the following questions. QUESTION 1 TCP sockets are identified by

Question

Please answer the following questions.

QUESTION 1 TCP sockets are identified by a four-tuple. O True O False QUESTION 2 Referring to the postal service example in the book and slides, the transport-layer protocol was analogous to the postal service transporting mail between the two h O False QUESTION 3 Which of the following is not from O UDP has congestion control mechanisms, which allow the throtting down during congestion O There is no need for connection establishment O The size of UDP packets are smaller than TCP packets. the reasons applications would choose to use UDP over TCP? UDB is not required to maintain session state

Explanation / Answer

1.TRUE

Explanation: TCP socket is identified by a four-tuple as: ource IP address, source port number, destination IP address, destination port number  

2. TRUE

Explanation: A transport-layer protocol provides for logical communication between host host in such away  postal service transporting mail between the two houses

3.option(1)

Explanation: Because UDP does not employ congestion control, but TCP does, it can take away capacity from TCP that yields to UDP flows

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