CCNA: Cisco Certified Network Associate — Question 976

Which type of IPv4 address type helps to conserve the globally unique address classes?

Answer options

• A. loopback
• B. multicast
• C. private
• D. public

Correct answer: C

Explanation

The correct answer is C, private addresses, which are used within local networks and do not require global uniqueness, thus conserving the globally unique address space. Options A (loopback) and B (multicast) serve different purposes and do not impact the conservation of globally unique addresses, while D (public) addresses are globally unique and are not used for conservation.