What is the subnet for the host IP address 172.16.210.0/22? A. 172.16.42.0 B. 172.16.107.0 C. 172.16.208.0 D. 172.16.252.0 E. 17

admin2009-05-19  12

问题 What is the subnet for the host IP address 172.16.210.0/22?
A. 172.16.42.0
B. 172.16.107.0
C. 172.16.208.0
D. 172.16.252.0
E. 172.16.254.0
F. None of the above

选项

答案C

解析 Explanation:
This question is much easier then it appears when you convert it to binary and do the Boolean operation as shown below:

IP address 172.16.210.0 = 10101100.00010000.11010010.00000000
/22 mask = 11111111.11111111.11111100.00000000
AND result = 11111111.11111111.11010000.00000000
AND in decimal= 172. 16. 208. 0
转载请注明原文地址:https://jikaoti.com/ti/9QO7FFFM
0

最新回复(0)