You receive a packet whose data length is 900 bytes, ID is 2398 and the MF flag is set to 0. You received the remaining 12 packets, each of whose total length is 1945 bytes, ID is 2398 and the MF flag is set to 1. All of these packets’ header size is 25 bytes. I. Find the packet size of the original datagram II. Find the value of the offset field of the 2nd last packet [First data byte number starts at 0] III. How would you identify the last packet in a group of fragmented packets?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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You receive a packet whose data length is 900 bytes, ID is 2398 and the MF flag is set to 0.
You received the remaining 12 packets, each of whose total length is 1945 bytes, ID is 2398
and the MF flag is set to 1. All of these packets’ header size is 25 bytes.
I. Find the packet size of the original datagram
II. Find the value of the offset field of the 2nd last packet [First data byte number starts at
0]
III. How would you identify the last packet in a group of fragmented packets?

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