בוחן תקשורת נתונים

Does the propagation delay of a packet over a physical link depend on the packet length (L)?

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Does the propagation delay depend on the transmission rate (R) of the link?

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What information is used by a process running on one host to identify a process running on another host?

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Why do HTTP, SMTP, and POP3 run on top of TCP rather than on UDP?

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How does a Web Cache (Proxy Server) improve user experience, and does it affect every request?

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A Web server on Host C (port 80) is using persistent connections to handle requests from two different hosts, Host A and Host B. Which of the following is true regarding the sockets used at Host C?

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Host A is sending Host B a large file over a TCP connection. Assume Host B has no data to send Host A. Host B will not send acknowledgments to Host A because Host B cannot piggyback the acknowledgments on data.

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The size of the TCP rwnd never changes throughout the duration of the connection.

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Suppose Host A is sending Host B a large file over a TCP connection. The number of unacknowledged bytes that A sends cannot exceed the size of the receive buffer.

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Suppose Host A is sending a large file to Host B over a TCP connection. If the sequence number for a segment of this connection is m, then the sequence number for the subsequent segment will necessarily be m + 1.

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בוחן תקשורת נתונים

Discuss, Learn and be Happy דיון בשאלות

Does the propagation delay of a packet over a physical link depend on the packet length (L)?

Does the propagation delay depend on the transmission rate (R) of the link?

What information is used by a process running on one host to identify a process running on another host?

Why do HTTP, SMTP, and POP3 run on top of TCP rather than on UDP?

How does a Web Cache (Proxy Server) improve user experience, and does it affect every request?

A Web server on Host C (port 80) is using persistent connections to handle requests from two different hosts, Host A and Host B. Which of the following is true regarding the sockets used at Host C?

Host A is sending Host B a large file over a TCP connection. Assume Host B has no data to send Host A. Host B will not send acknowledgments to Host A because Host B cannot piggyback the acknowledgments on data.

The size of the TCP rwnd never changes throughout the duration of the connection.

Suppose Host A is sending Host B a large file over a TCP connection. The number of unacknowledged bytes that A sends cannot exceed the size of the receive buffer.

Suppose Host A is sending a large file to Host B over a TCP connection. If the sequence number for a segment of this connection is m, then the sequence number for the subsequent segment will necessarily be m + 1.