多项选择题 The network 172.25.0.0 has been divided into eight equal subnets. Which of the following IP addresses can be assigned to hosts in the third subnet if the ip subnet-zero command is configured on the router?（）

单项选择题 In network that support VLSM, which network mask should be used for point-to-point WAN links in order to reduce waste of IP addresses?（）

多项选择题 Which of the following IP addresses for the network 27.35.16.32/28 can be assigned to hosts?（）