Chapter 4 - TCP UDP

What is the name of connection established in TCP

TCP ensures

• connectionless transmission

• in-order byte steam

• easiness

• reliability

How does TCP work?

• Three-way handshake to establish a connection between client and server.

• It uses SYN, ACK and FIN flags (1 bit) for connecting two endpoints

• After theconnection establishment , data is transferred sequentially.

• If there is any loss of packet, it retransmits data.

UDP is called a ________________transport protocol.

• connectionless, reliable

• connection-oriented, unreliable

• connectionless, unreliable

• none of the above

UDP is an acronym for

• User Delivery Protocol

• User Datagram Procedure

• User Datagram Protocol

• none of the above

UDP needs the _______ address to deliver the user datagram to the correct application process

• Internet

• Port

• Application

• None of the above

Which of the following does UDP guarantee?

• congestion control

• flow control

• connection-oriented delivery

• none of the above

What is the UDP packet format?

• Source Port and Destination Port fields

• Length field

• Checksum field

• Advertised window

Is UDP better than TCP?

TCP packets contain

• Sequence Number, AcK number, Data offset, Reserved, Urgent Pointer

• Options, Padding, Source Port, and Destination port.

• Acknowledgement Number field, Flags field

• Checksum field, Control bit, Window