Question: Look up RFC 793. What network layer is this protocol used? Use this authentication header format for the next parts: 0 1 2 3 0

  1. Look up RFC 793. What network layer is this protocol used?
  2. Use this authentication header format for the next parts:
0 1 2 3
 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 | Source Port | Destination Port |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 | Sequence Number |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 | Acknowledgment Number |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 | Data | |U|A|P|R|S|F| |
 | Offset| Reserved |R|C|S|S|Y|I| Window |
 | | |G|K|H|T|N|N| |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 | Checksum | Urgent Pointer |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 | Options | Padding |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 | data |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

  1. What Control Bits are set if the Data Offset, Reserved and Control Bit fields are set to: 601216?
  2. Using the same string of bits described in part c (201216), what is the value of the Data Offset?
  3. Using the value described in part d (00102), how big is the TCP Header in bytes?

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