Sometimes, we can use machines called ________ to make the connection between different and incompatible networks.
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The ________ is widely used to connect universities, government offices, companies, and private individuals.
TCP/IP stands for ________ ________ ________ and ________ ________.
The glue that holds the Internet together is the TCP/IP ________ ________(参考模型) and TCP/IP ________ ________(协议栈).
The ________ ________ ________ is an architectural framework for accessing linked documents spread out over thousands of machines all over the Internet.