CompTIA A+ Question H-88

Which of the following IP addresses can be pinged from the Internet?

A. 10.0.0.1
B. 68.14.24.3
C. 172.16.2.1
D. 192.168.1.1

Correct Answer: B

Explanation:
Any IP address that doesn’t start with 192.168 and 10.0.0 can be pinged from internet. These IP addresses are reserved for private network. 172.16.2.1 is not a valid IP address at all because it mixed class C and Class A addresses. 68.14.24.3 is a valid Class A IP address.