单项选择题

You have a Class C network, and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet masks should you use?（）

A. 255.255.255.192
B. 255.255.255.224
C. 255.255.255.240
D. 255.255.255.248
E. None of the above

点击查看答案

上一题目录下一题

相关考题

多项选择题

Which two of the addresses below are available for host addresses on the subnet 192.168.15.19/28?（）

A.192.168.15.17
B.192.168.15.14
C.192.168.15.29
D.192.168.15.16
E.192.168.15.31
F.None of the above

单项选择题

How do you express the binary number 10110011 in decimal form?（）

A.91
B.155
C.179
D.180
E.201
F.227

单项选择题

The MAC address for your PC NIC is: C9-3F-32-B4-DC-19. What is the address of the OUI portion of this NIC card, expressed as a binary number?（）

A.11001100-00111111-00011000
B.11000110-11000000-00011111
C.11001110-00011111-01100000
D.11001001-00111111-00110010
E.11001100-01111000-00011000
F.11111000-01100111-00011001