2.1 Introduction to IP

Question 1

What is TCP and What Are it’s Key Attributes?

Answer 1

Transmission Control Protocol
• Connection Oriented
• A formal connection setup and close. Like when you say “Hi” and “Goodbye” on the phone.
• “Reliable” delivery - Built in error checking and will re transmit missing packets if it finds any in the checking process.
• Can manage out-of-order messages or retransmissions

Question 2

What is UDP and What Are it’s Key Attributes?

Answer 2

User Datagram Protocol
• Connectionless
•No formal open or close to the connection
• “Unreliable” delivery - It has no has built in error checking and will not re transmit missing packets.
• No reordering of data or retransmissions
• No flow control
• Sender determines the amount of data transmitted

Question 3

What is the range of port numbers that can be assigned to UDP/TCP ports?

Answer 3

TCP and UDP ports can be any number

between 0 and 65,535