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TCP/IP is the dominant network protocol today and is in use in virtually every lan and wan in the world.

What is the dominant network protocol?

The Internet protocol suite is known to be called TCP/IP as it is the most used or dominant protocol of the Internet and it has an increasing deployment on  public Internet for a long time.

Therefore, TCP/IP is the dominant network protocol today and is in use in virtually every lan and wan in the world.

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