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Module 3: Network Layer & Routing

20212m

Internetworking protocol is known as

(i) TCP
(ii) IP
(iii) ISP
(iv) TCP/IP

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Answer

(ii) IP

Explanation

IP (Internet Protocol) is the Network-layer protocol responsible for logical addressing and forwarding datagrams between networks, making internetwork communication possible.

  • TCP: Transport-layer protocol providing reliable, connection-oriented delivery.
  • IP: Network-layer protocol providing logical addressing and datagram delivery across interconnected networks.
  • ISP: Internet Service Provider, not a protocol.
  • TCP/IP: A protocol suite, not the name of the individual internetworking protocol asked for here.

Final answer: (ii) IP.

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