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Understanding TCP Segment Acknowledgment

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Understanding TCP Segment Acknowledgment

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Questions and Answers

What does the client's ACK segment acknowledge?

Consuming sequence numbers

Receipt of the second segment (correct)

Receipt of the first segment

Receipt of the third segment

How many sequence numbers does an ACK segment consume if it carries no data?

Equal to the acknowledgment number

None (correct)

One

As many as data bytes

In which phase of the connection process can the client's third segment carry the first chunk of data?

Connection teardown

Connection establishment (correct)

Resource allocation

Data transmission

What can happen if the server receives a large number of SYN segments from malicious attackers in a SYN flooding attack?

Server runs out of resources Signup and view all the answers

What resources does the server allocate during a SYN flooding attack?

Creating transfer control block tables Signup and view all the answers

Why does an ACK segment carrying no data consume no sequence number?

To prevent resource exhaustion Signup and view all the answers

What can malicious attackers do during a SYN flooding attack to trick the server?

Pretend to be legitimate clients with fake IP addresses Signup and view all the answers

In a SYN flooding attack, what is the purpose of the attackers sending SYN segments to the server?

To overwhelm and exhaust server resources Signup and view all the answers

Which TCP security issue arises due to allocating resources to fake clients during connection establishment?

SYN flooding attack Signup and view all the answers

What is a notable feature of an ACK segment when it carries data during connection establishment?

Consumes less sequence numbers than bytes carried in data Signup and view all the answers