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.
Question
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)- A88% (23)
- C8% (2)
- D4% (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.
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.
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.
NAT (Network Address Translation) is precisely what *is* required to allow hosts using private addressing to communicate with the internet.
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
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