ccna题库246题

wlm510

QUESTION 246
Refer to the diagram. All hosts have connectivity with one another. Which statements describe the
addressing scheme that is in use in the network? (Choose three.)
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鸿鹄论坛：bbs.hh010.com
bbs.hh010.com
A. The subnet mask in use is 255.255.255.192.
B. The subnet mask in use is 255.255.255.128.
C. The IP address 172.16.1.25 can be assigned to hosts in VLAN1
D. The IP address 172.16.1.205 can be assigned to hosts in VLAN1
E. The LAN interface of the router is configured with one IP address.
F. The LAN interface of the router is configured with multiple IP addresses.
Answer: BCF

D为什么是错的，而C是对的呢？C是0子网不可以用的啊。