Unreliable Connections

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What does PC-1 do when it does not receive acknowledgment for segment 46?

Assumes PC-2 received it and sends the next segment

Resends the entire batch of segments

Assumes PC-2 did not receive it and resends segment 46 in the next batch (correct)

Waits for acknowledgment before resending any segment

How many segments does PC-1 send the next time after not receiving acknowledgment for segment 46?

2 segments

5 segments

3 segments

4 segments (correct)

What is the main problem with a reliable connection according to the text?

Unnecessary use of acknowledgment signals

Overhead and delays due to the handshake process (correct)

Inability to guarantee data delivery

Complexity of segment numbering

Why is going through a handshake process considered worthless for sending a single piece of information and getting a single reply back?

It adds overhead and delays Signup and view all the answers

In what scenario is going through a handshake process unnecessary according to the text?

Sending a DNS query to resolve a fully qualified domain name to an IP address Signup and view all the answers

Explain how TCP provides guaranteed data delivery using sequence numbers and acknowledgment signals.

TCP provides guaranteed data delivery by using sequence numbers to keep track of the order of segments and acknowledgment signals to confirm the receipt of data. If a segment is not acknowledged, it is resent. Signup and view all the answers

What is the drawback of establishing a reliable connection according to the text?

The drawback of establishing a reliable connection is the overhead and delays caused by the handshake process before data transfer and acknowledgment of all data sent. Signup and view all the answers

Give an example of a scenario where going through a handshake process is considered worthless.

One example is when a device sends a single DNS query to resolve a fully qualified domain name to an IP address and waits for the server's response. The handshake process adds overhead and delays in this scenario. Signup and view all the answers

What does PC-1 do when it does not receive acknowledgment for segment 46?

PC-1 assumes that PC-2 did not receive it and resends segment 46 in the next batch of four segments. Signup and view all the answers

How many segments does PC-1 send the next time after not receiving acknowledgment for segment 46?

PC-1 sends the next batch of four segments, which includes segment numbers 46, 48, 49, and 50. Signup and view all the answers

Unreliable Connections

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Questions and Answers

What does PC-1 do when it does not receive acknowledgment for segment 46?

How many segments does PC-1 send the next time after not receiving acknowledgment for segment 46?

What is the main problem with a reliable connection according to the text?

Why is going through a handshake process considered worthless for sending a single piece of information and getting a single reply back?

In what scenario is going through a handshake process unnecessary according to the text?

Explain how TCP provides guaranteed data delivery using sequence numbers and acknowledgment signals.

What is the drawback of establishing a reliable connection according to the text?

Give an example of a scenario where going through a handshake process is considered worthless.

What does PC-1 do when it does not receive acknowledgment for segment 46?

How many segments does PC-1 send the next time after not receiving acknowledgment for segment 46?

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