IP地址分为net id和host id。

下面哪个系统函数可以返回返回系统用户名?() A: HOST_ID B: HOST_NAME C: SYSTEM_USER D: CURRENT_USER

猪是猪肉绦虫的何种宿主 A: paratenic host B: intermediate host and final host C: final host D: reservoir host E: intermediate host

6. 中间宿主是： A: A、paratenic host B: B、definitive host C: C、intermediate host D: D、resevoir host E: E、host specificity

While for business manner, for banquet, the honor seat is for host （ ） host, and the inferior seat is for host NO.2 .

Given 130.130.10.1/18, what does /18 mean? A: The port number of the server B: The number of bits dedicated to the network ID C: The number of subnets D: The last 18 bits dedicated to the host ID.

Consider a TCP connection between Host A and Host B. Suppose that the TCP segment traveling from Host A to Host B have source port number x and destination port number y. What are the source and destination port numbers for the segments traveling from Host B to Host A?

The final host of plasmodium is ______ , however, the intermediate host of plasmodium is ______ .

命令提示行root @host dev中host表示（）

在流行病学上人兽共患寄生虫病中的动物宿主属于 A: definitive host B: intermediate host C: reservoir host D: paratenic host E: 以上都不是