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AWS Certified Solutions Architect – Associate SAA-C03 · Domain 2: Design Resilient Architectures

Resilient hybrid networking: Site-to-Site VPN, Direct Connect with VPN backup, and Transit Gateway

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Last reviewed September 30, 2026 · Leer en español

Many companies keep data centers while moving workloads to AWS, so the network link between them becomes critical: if it fails, applications split across both sides stop working. There are two main connection types, an encrypted tunnel over the internet and a dedicated private circuit, and a hub service that ties many networks together. The exam asks you to balance speed of setup, cost, bandwidth, consistency and resilience.

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