![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
对于IP地址为102.101.208.10的主机来说,其默认子网掩码为 ()
A.255.0.0.0
B.255.255.0.0
C.255.255.255.0
D.255.255.255.255
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.255.0.0.0
B.255.255.0.0
C.255.255.255.0
D.255.255.255.255
A.255.0.0.0
B.255.255.255.0
C.255.255.0.0
D.255.255.255.255
访问因特网的每台主机都需要分配IP地址(假定采用默认子网掩码),下列可以分配给主机的IP地址是()。
A.192.46.10.0
B.110.47.10.0
C.127.10.10.17
D.211.60.256.21
某主机的IP地址为202.113.25.55,子网掩码为255.255.255.240。该主机的有限广播地址为(51)。
A.202.113.25.255
B.202.113.25.240
C.255.255.255.55
D.255.255.255.255
A.C 类地址,默认子网掩码:255.255.255.0
B.B 类地址,默认子网掩码:255.255.255.0
C.A 类地址,默认子网掩码:255.0.0.0
D.C 类地址,默认子网掩码:255.255.0.0
A、IP地址:10.10.1.20子网掩码:255.0.0.0
B、IP地址:192.168.3.100子网掩码:255.255.255.0
C、IP地址:192.168.2.20子网掩码:255.255.255.0
D、IP地址:172.16.2.10子网掩码:255.255.0.0