Multiple choice

What is the maximum size of the data portion of an IP data gram?

  1. 65, 535 bytes

  2. 65, 515 bytes

  3. 65, 475 bytes

  4. 65, 444 bytes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The maximum total length of an IPv4 datagram is 65,535 bytes, which is the maximum value representable by a 16-bit total length field. Since an IPv4 header is at least 20 bytes long, the maximum size of the data portion is 65,535 minus 20, which equals 65,515 bytes.

Keep practicing — related questions