Cisco CCNA mock exam questions sample test – Question 128

.Which of the following is NOT a characteristic of private Internet Protocol (IP) addressing?

A. These addresses are not routable through the public Internet.
B. These addresses are publicly registered with the Internet Network Information Center (InterNIC).
C. These addresses are reserved by the Internet Assigned Numbers Authority (IANA).
D. The ranges of private IP addressing are 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, and 192.168.0.0 to 192.168.255.255.

Correct Answer: B

Explanation:
It is NOT correct to state that private IP addresses are publicly registered with the Internet Network Information Center (InterNIC). Only public IP addresses are registered with the
InterNIC.
The following characteristics are TRUE regarding private IP addressing:
Private addresses are not routable through the public Internet.
Private addresses are reserved by the Internet Assigned Numbers Authority (IANA).
The ranges of private IP addressing are 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255 and 192.168.0.0 to 192.168.255.255.
The use of private IP addressing conserves the use of the public IPv4 address space
Private addresses cannot be registered publicly.
Private IP addresses conserve public addressing space and can improve network security.
Objective:
Network Fundamentals
Sub-Objective:
Describe the need for private IPv4 addressing