AWS Solutions Architect: the exam guide loop
The four domains by weight, the scenario tiebreakers and the daily loop that carries a cert.
The four domains by weight, the scenario tiebreakers and the daily loop that carries a cert.
The Solutions Architect exam is scoped by one public document: the exam guide.
Secure, resilient, high-performing, cost-optimized: the guide weights each domain — study to the weights, not to the service list.
S3: durability vs availability
Durability — eleven nines — your object survives. Availability — can you reach it right now. The exam tests that you know they're different.
An app needs a database with low-latency reads in several regions. Best pick?
Global tables replicate DynamoDB across regions for local reads. RDS replicas don't span the globe by default, and Redshift is for analytics.
Every question is a scenario with two plausible answers. The tiebreaker is almost always cost or operational overhead — AWS wants the managed option.
When the answer is «use SQS»
Whenever two parts must decouple: spikes, retries, or one side slower than the other. A queue in the middle, nothing lost.
Certs aren't a cram. They're a daily loop.
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