Paper 1 · ICT
UGC NET June 2024 Re-Exam (26.08.2024) Shift-I
In the context of computer networking, which of the following best describes the transmission of messages using packet switching?
AData packets may follow different routes and may arrive at different times in different orders ✓ Correct
BData packets will always follow the same route and arrive at the same time in the same order
CData packets will always follow the same route but may arrive at different times in different orders
DData packets may follow different routes but arrive at the same time in the same order
Correct answer: (A) Data packets may follow different routes and may arrive at different times in different orders — Packets may take different routes and arrive at different times in different orders, so that is the answer.
Explanation
★Packets may take different routes and arrive at different times in different orders, so that is the answer.
★In packet switching a message is broken into small packets.
★Each packet is routed independently across the network.
★So different packets may follow different routes.
★They may therefore arrive at different times and out of order.
★The receiver reassembles them, so the first option best describes packet switching.
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