Ch 7

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Which three fields are used in a UDP segment header? (Choose three.)

- Length -Source Port -Checksum

Which two applications use UDP as the transport layer protocol? (Choose two.)

-DNS queries -DHCP

Match the TCP flag to the correct step in the session establishment sequence. (Not all options are used.)

1-SYN 2-SYN+ACK 3-ACK

Which number or set of numbers represents a socket?

192.168.1.1:80

Open the PT activity. Perform the tasks in the activity instructions and then answer the question. What is the application layer service being requested from Server0 by PC0?

HTTPS

Refer to the exhibit. What step in a TCP session does this capture represent?

Session Termination

Which action is performed by a client when establishing communication with a server via the use of UDP at the transport layer?

The client randomly selects a source port number.

What happens if part of an FTP message is not delivered to the destination?

The part of the FTP message that was lost is re-sent.

What is an advantage of UDP over TCP?

UDP communication requires less overhead.

Which entities are involved in a temporary communication that is established by the transport layer?

applications

Refer to the exhibit. What does the value of the window size specify?

the amount of data that can be sent before an acknowledgment is required

When a client connects to an HTTP server by the use of a randomly generated source port number, what destination port number will the HTTP server use when building a response?

the original source port number that was randomly generated by the client

What is the purpose of using a source port number in a TCP communication?

to keep track of multiple conversations between devices


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