Question Three: [ ] [4 Points]

An IP datagram has arrived with the following information in the header (in hexadecimal).

45 00 00 54 00 03 00 00 20 06 00 00 7C 4E 03 02 B4 0E 0F 02

1. [1 point] What is the header length for this arrived datagram?
2. [1 point] What is the size of the data that has been carried in this datagram?
3. [1 point] How many more routers can the packet travel to?
4. [1 point] Is there any option that has been used in this datagrams header? Why?

Use the following datagram header format to answer the questions below. Version IHLDSFie Total Length (4 bits) (4 bits) (8 bits) (16 bits) Identification Flags Fragment Offset (16 bits) (3 bits) (13 bits) Time-to-Live (TTL) Protocol Header Checksum (8 bits) (8 bits) (16 bits) Source IP Address (32 bits) Destination IP Address (32 bits) Options (If Any)