If hlen value is 5 and length of data is 24 bytes ,calculate option
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The HLEN value is 5, which means the total number of bytes in the header is 5 × 4 or 20 bytes (no options). The total length is 24 bytes, which means the packet is carrying 4 bytes of data (24 − 20). When there are no options, the header length is 20 bytes, and the value of HLEN field is 5 (5 × 4 = 20).
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