一台计算机的IP地址为211.34.114.254，使用标准掩码，未设置网关，Ping211.34.113.3，回应为（） A: Reply？form？211.34.113.3：bytes=32？time=2ms？TTL=255 B: Request？timed？out C: Destination？Host？Unreachable D: Reply？from？211.34.113.3：？Destinatio

一台计算机的IP地址为211.34.114.254，使用标准掩码，未设置网关，Ping211.34.113.3，回应为（） A: Reply？form？211.34.113.3：bytes=32？time=2ms？TTL=255 B: Request？timed？out C: Destination？Host？Unreachable D: Reply？from？211.34.113.3：？Destination

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

如下访问控制列表的含义是（ ） access-list 100 deny icmp 10.1.10.10 0.0.255.255 any host-unreachable

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

Destination Net Unreachable：表示对方主机不存在或者没有跟对方建立连接。

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

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（）