Q. In which of the following networks, reassembly buffers are required ?
In packet-switched networks, messages are broken into small packets, which may travel independently through different routes to the destination.
- At the destination, these packets must be reassembled in the correct order, so reassembly buffers are required.
Why other options are incorrect:
(B) Circuit-switched networks:
A dedicated path is established before communication begins, and data arrives in order — no reassembly buffer needed.
(C) Message-switched networks:
The entire message is sent as a whole and stored at intermediate nodes — no need for reassembly of smaller packets.
(D) None of these:
Incorrect, since packet-switched networks clearly require reassembly buffers.
Explanation by: Mr. Dubey
In packet-switched networks, messages are broken into small packets, which may travel independently through different routes to the destination.
- At the destination, these packets must be reassembled in the correct order, so reassembly buffers are required.
Why other options are incorrect:
(B) Circuit-switched networks:
A dedicated path is established before communication begins, and data arrives in order — no reassembly buffer needed.
(C) Message-switched networks:
The entire message is sent as a whole and stored at intermediate nodes — no need for reassembly of smaller packets.
(D) None of these:
Incorrect, since packet-switched networks clearly require reassembly buffers.