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200-301 · Question #1245

200-301 Question #1245: Real Exam Question with Answer & Explanation

The correct answer is B: to shield internal network devices from external access. This question asks for the primary benefit of deploying private IPv4 address ranges within an organization's internal network.

Submitted by tarun92· Mar 5, 2026

Question

What is the benefit of using private IPv4 addressing?

Options

  • Ato enable secure connectivity over the Internet
  • Bto shield internal network devices from external access
  • Cto provide reliable connectivity between like devices
  • Dto be routable over an external network

Explanation

This question asks for the primary benefit of deploying private IPv4 address ranges within an organization's internal network.

Common mistakes.

  • A. Private IPv4 addressing by itself does not enable secure connectivity over the Internet; this requires protocols like VPNs or TLS.
  • C. While private IP addresses provide connectivity, they don't inherently make it more 'reliable' between like devices compared to public IP addresses within a private network. Reliability is determined by network design and infrastructure.
  • D. Private IPv4 addresses are explicitly not routable over an external network (the public internet); they are designed for internal use only.

Concept tested. Private IPv4 addressing benefits

Reference. https://datatracker.ietf.org/doc/html/rfc1918

Topics

#Private IP addressing#IP addressing#Network security

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