You have a single Class C IP address and a point-to-poi

单项选择题

You have a single Class C IP address and a point-to-point serial link that you want to implement VLSM on. Which subnet mask is the most efficient?（）

A. 255.255.255.0
B. 255.255.255.240
C. 255.255.255.248
D. 255.255.255.252
E. 255.255.255.254

相关考题

单项选择题 On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?（）

单项选择题 Which one of the following varieties of NAT utilizes different ports to map multiple IP addresses to a single globally registered IP address?（）

单项选择题 A TestKing PC has the IP address 172.16.209.10 /22. What is the subnet of this address?（）

经营许可证号：湘B2-20140064

CCNA(640-801)