Two of the protocols that can be carried in the Protocol field of an IP packet are?
A. TCP B. UDP C. FTP D. TFTP Ans A & B The following are the fields in an IP segment, their length, and their definitions: VERS (Version number – 16 bits) HLEN (Number of 32-bit words in the header – 4 bits) Type of Server (How the datagram should be handled – 32 bits) Total Length (Total length of header and data – 32 bits) Identification (Provide fragmentation of datagrams to allow different MTUs in the internet – 4 bits) Flags (Provide fragmentation of datagrams to allow different MTUs in the internet – 4 bits) Frag Offset (Provide fragmentation of datagrams to allow different MTUs in the internet – 6 bits) TTL (Time-To-Live – 6 bits) Protocol (Upperlayer protocol sending the datagram – 16 bits) Header Checksum )Integrity check on the header – 16 bits) Source IP Address (32 bits) Destination IP Address (32 bits) IP Options (network testing, debugging, security and others – 4 bits) Data (4 bits).
