Cisco
200-301 · Question #477
Why was the RFC 1918 address space defined?
The correct answer is A. conserve public IPv4 addressing. An RFC1918 address is an IP address that is assigned by an enterprise organization to an internal host. These IP addresses are used in private networks, which are not available, or reachable, from the Internet.
Submitted by kim_seoul· Mar 5, 2026Network Fundamentals
Question
Why was the RFC 1918 address space defined?
Options
- Aconserve public IPv4 addressing
- Bpreserve public IPv6 address space
- Creduce instances of overlapping IP addresses
- Dsupport the NAT protocol
How the community answered
(39 responses)- A92% (36)
- B5% (2)
- C3% (1)
Explanation
An RFC1918 address is an IP address that is assigned by an enterprise organization to an internal host. These IP addresses are used in private networks, which are not available, or reachable, from the Internet.
Topics
#RFC 1918#Private IP addressing#IPv4 addressing
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