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200-301 · Question #200

Which function dose the range of private IPv4 addresses perform?

The correct answer is A. allow multiple companies to each use the same address without conflicts. Private IPv4 address ranges enable internal networks to use the same IP addresses without conflict, allowing for large internal addressing schemes that are not routable on the public internet.

Submitted by neha2k· Mar 5, 2026Network Fundamentals

Question

Which function dose the range of private IPv4 addresses perform?

Options

  • Aallow multiple companies to each use the same address without conflicts
  • Bprovides a direct connection for hosts from outside of the enterprise network
  • Censues that NAT is not required to reach the internet with private range addressing
  • Denable secure communications to the internet for all external hosts

How the community answered

(26 responses)
  • A
    88% (23)
  • C
    8% (2)
  • D
    4% (1)

Why each option

Private IPv4 address ranges enable internal networks to use the same IP addresses without conflict, allowing for large internal addressing schemes that are not routable on the public internet.

Aallow multiple companies to each use the same address without conflictsCorrect

Private IPv4 address ranges (RFC 1918) are reserved for use within private networks and are not routed on the public internet. This allows organizations to use these addresses internally without concern for global uniqueness, meaning multiple companies can utilize the same private IP blocks (e.g., 192.168.1.0/24) simultaneously within their own networks without causing conflicts on the internet.

Bprovides a direct connection for hosts from outside of the enterprise network

Private addresses do not provide a direct connection for outside hosts; they must be translated (NATted) to a public address to communicate with external networks.

Censues that NAT is not required to reach the internet with private range addressing

NAT (Network Address Translation) is precisely what *is* required to allow hosts using private addressing to communicate with the internet.

Denable secure communications to the internet for all external hosts

Private addresses themselves do not inherently enable secure communications; security is provided by other mechanisms like firewalls, VPNs, and encryption, not by the private address ranges themselves.

Concept tested: Private IPv4 addresses (RFC 1918) purpose

Source: https://www.rfc-editor.org/rfc/rfc1918

Topics

#Private IP addressing#RFC 1918#IP address reuse

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