Packet Formats

Question 1

What is the format of IPv4 version header

Answer 1

Version| Header Length| Type of Service| Total Length
Indentification | IP Flags | Fragment Offset
TTL | Protocol | Header Checksum
Source Address
Destination
IP Option

Question 2

What is the format of TCP segment Format

Answer 2

Source Port | Destination Port
Sequence Number
Acknowledgement Number
Offset | Reserved | TCP Flags | window
Checksum | Urgent Pointer
TCP Options Option

Question 3

What is the format of UDP segment Format

Answer 3

Source Port | Destination Port

UDP Length | UDP Checksum