多项选择题
A.199.141.27.2
B.199.141.27.175
C.199.141.27.13
D.199.141.27.11
E.199.141.27.208
F.199.141.27.112
多项选择题 Using a subnet mask of 255.255.255.224, which of the IP addresses below can you assign to the hosts on this subnet?（）
单项选择题 Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask wouldyou use?（）
单项选择题 Which one of the binary bit patterns below denotes a Class B address?（）