The answer is B.
Late at night, some traffic signals change patterns and become flashing yellow or red lights.
1. Datagram-based network layer: Forwarding, Routing.
2. VC- based network layer: Forwarding, Routing, Call setup.
Smartphones! because mobile apps go on smartphones
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Explanation:
There are five phases of film production and they include development, pre-production, production, post-production and distribution.