![](https://lstatic.shangxueba.com/jiandati/h5/images/m_q_title.png)
【填空题】Each Internet (1), called a host, is indep...
【填空题】Each Internet (1), called a host, is independent. Its operators can choose which (2) services to use and which (3) services to make available to the (4) Internet community. Remarkably, this anarchy by design works exceedingly well. IP is responsible for moving packet of data from (5) to node. IP forwards each packet based on a four-byte destination (6) (the IP address). The Internet authorities assign ranges of numbers to different organizations, The organizations (7) groups of their numbers to departments. (8) is responsible for verifying the correct delivery of data from (9) to server. Data can be lost in the intermediate (10). TCP adds support to detect error or lost data and to trigger retransmission until the data is correctly and completely received.