CCNA: Cisco Certified Network Associate — Question 893

What is a characteristic of private IPv4 addressing?

Answer options

• A. is used when the ISP requires the new subnet to be advertised to the internet for web services
• B. allows multiple companies to use the same addresses without conflict
• C. is used on the external interface of a firewall
• D. allows endpoints to communicate across public network boundaries

Correct answer: B

Explanation

Option B is correct because private IPv4 addresses are designed to be used within private networks, allowing multiple organizations to share the same address space without conflicts. The other options describe characteristics of public addresses or misrepresent the use of private addressing.