200-301 · Question #1344
What is a characteristic of private IPv4 addressing?
The correct answer is D. alleviates the shortage of IPv4 addresses. Private IPv4 addressing is a technique that uses specific reserved address ranges within private networks, which are not routable on the public internet, thereby helping conserve public IPv4 addresses.
Question
Options
- Aprovides unlimited address ranges
- Bis used when the network has multiple endpoint listeners
- Creduces network complexity
- Dalleviates the shortage of IPv4 addresses
How the community answered
(63 responses)- A2% (1)
- B6% (4)
- C3% (2)
- D89% (56)
Why each option
Private IPv4 addressing is a technique that uses specific reserved address ranges within private networks, which are not routable on the public internet, thereby helping conserve public IPv4 addresses.
Private IPv4 address ranges are finite and defined by RFC 1918, not unlimited.
The presence of multiple endpoint listeners is a general network characteristic, not a specific characteristic or purpose of private IPv4 addressing.
While private addressing simplifies internal network design to some extent, it often introduces complexity through the need for Network Address Translation (NAT) to access the internet, so it doesn't inherently reduce overall network complexity.
Private IPv4 address ranges (RFC 1918) are designated for use within private networks and are not routed on the public internet. This allows many organizations to reuse the same private addresses internally, which, when combined with Network Address Translation (NAT) at the network edge, significantly reduces the demand for unique public IPv4 addresses, thus alleviating the global shortage.
Concept tested: Private IPv4 addressing purpose
Source: https://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/13769-nat-faq.html
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