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200-301 · Question #944

What are two reasons to implement IPv4 private addressing on a network? (Choose two.)

The correct answer is A. To enable internal applications to treat the private IPv4 addresses as unique E. To conserve global unique IPv4 addresses. Private IPv4 addresses weren't created to be a form of protection. It's primary purpose was to enable internal networks to communicate while conserving public IPv4 addresses. A fits this narrative as multiple businesses could share the same private IP addresses and their applicat

Submitted by satoshi_tk· Mar 5, 2026IP Services

Question

What are two reasons to implement IPv4 private addressing on a network? (Choose two.)

Options

  • ATo enable internal applications to treat the private IPv4 addresses as unique
  • BTo facilitate renumbering when merging networks
  • CTo expand the routing table on the router
  • DTo provide protection from external denial-of-service attacks
  • ETo conserve global unique IPv4 addresses

How the community answered

(13 responses)
  • A
    92% (12)
  • D
    8% (1)

Explanation

Private IPv4 addresses weren't created to be a form of protection. It's primary purpose was to enable internal networks to communicate while conserving public IPv4 addresses. A fits this narrative as multiple businesses could share the same private IP addresses and their application would still be able to communicate without interfering with other businesses thus it's unique to their internal applications.

Topics

#private IPv4 addressing#RFC 1918#address conservation#NAT

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