单项选择题
A.255.255.240.0 B.255.255.255.240 C.255.255.255.224 D.255.255.248.0
请把“202.109.203.17”转换为二进制是多少？（）A.00111101.10000111.10010...
单项选择题请把“202.109.203.17”转换为二进制是多少？（）
A.00111101.10000111.10010110.01010001 B.11000001.10100011.10010000.00000101 C.11001010.01101101.11001011.00010001 D.10000001.00000011.10010000.00000100
请把“11010010.01001001.01000000.00000001”转换为十进制的IP地址是多少？（...
单项选择题请把“11010010.01001001.01000000.00000001”转换为十进制的IP地址是多少？（）
A.192.168.32.1 B.172.64.16.1 C.199.54.66.1 D.210.73.64.1
清除机器上DNS缓存的命令是什么？（）A.ipconfig/clearB.ipconfig/flushdnsC...
单项选择题清除机器上DNS缓存的命令是什么？（）
A.ipconfig/clear B.ipconfig/flushdns C.ipconfig/displaydns D.dns/release
