Exam topics

Networking foundations, access, connectivity, services, security, and automation.

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CCNA Exam Domains and TopicsThe current CCNA 200-301 v1.1 blueprint has six domains: Network Fundamentals (20%), Network Access (20%), IP Connectivity (25%), IP Services (10%), S…
IPv4 Subnetting and Route SelectionSubnetting divides IPv4 addresses into prefixes; route selection chooses the most specific usable route matching a destination. For 192.168.10.70/26, …