Core Networking Concepts for Security

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Your question is Core Networking Concepts for Security. Start with the requirements on the right.

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Problem

What basic networking concepts should you understand for a security engineer interview?

As a hands-on exercise, implement classify_ipv4 to classify IPv4 addresses using private RFC 1918 ranges. Return one result per input: "private", "public", or "invalid".

Signature: def classify_ipv4(addresses): Input is a list of strings, and output is a list of classification strings.

Constraints

1 <= len(addresses) <= 100
Each address contains printable characters and has length at most 15
A valid IPv4 address has exactly four decimal octets
Private addresses are limited to RFC 1918 ranges

Function Signature

def classify_ipv4(addresses):

Your solutionPython 3

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