Question: 1. Assuming standard 1500-byte Ethernet max payloads: how many IPv4 fragments will be needed to transfer 2000 bytes of user data with a single UDP

1. Assuming standard 1500-byte Ethernet max payloads: how many IPv4 fragments will be needed to transfer 2000 bytes of user data with a single UDP send? And, how do the 2000 bytes get split over the frags?

2. Despite its conceptual elegance, RPC (Remote Procedure Call) has a few problems. Discuss any 3 of those in brief.

3. Why is timestamping needed in real-time applications? This is in the context of Real-time Transport Protocol (RTP).

4. Why does UDP exist? Would it not have been enough to just let user processes send raw IP packets?

5. Explain how QUIC eliminates a couple of RTTs usually needed at the start of a secure web connection.

Please provide a reference.

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