Amazon Web Services AWS Certified Solutions Architect - Professional SAP-C02 Question # 75 Topic 8 Discussion
SAP-C02 Exam Topic 8 Question 75 Discussion:
Question #: 75
Topic #: 8
Question:
A SaaS web app runs on EC2 Linux behind an ALB. It storesuser sessionsin an RDS Multi-AZ database. During high traffic, the app suffers latency due to session read/write.
Dis the AWS best practice forsession storage: UseElastiCache for Redis— a fast, in-memory data store that handles high throughput with microsecond latency.
It's highly scalable, fault-tolerant, and optimized for temporary, fast-access session data.
Incorrect:
A: S3 is slow and object-based — not for session I/O.
B: FSx is Windows-only and not ideal for this use case.
C: EBS Multi-Attach has limitations, complexity, and is not suitable for high-performance shared memory.
Chosen Answer:
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