题目内容

The famous port number used for DNS is.

查看答案

搜索结果不匹配？点我反馈

更多问题

The number of socket type of "____" is 1, that uses IPPROTO_TCP with protocol number 6.The number of socket type of "SOCK_DGRAM" is 2, that uses IPPROTO_UDP with protocol number____.

The socket.getaddrinfo() with the flag of "____" will filter out any addresses that are impossible for your computer to reach.

The output of the function "socket. getprotobyname('TCP')" is .The output of the function "socket. getservbyname('daytime')" is .The output of the function "socket. getservbyport(53)" is .

To call getaddrinfo() with the flag of ____ will return the IPv4 addresses reencoded as IPv6 addresses that you can actually use.