AWS Certified Solutions Architect Associate (SAA-C02) Exam Prep Course - What is Multi-Tier Architecture?

The video tutorial explains the concept of multi-tier architecture, emphasizing its benefits in cloud environments like AWS. It discusses the separation of tiers into data access, business logic, and presentation, and highlights the advantages of horizontal scaling over vertical scaling. The tutorial also covers how AWS services like Lambda, EC2, and RDS can be utilized for different tiers, and concludes with a review of setting up a multi-tier architecture using EC2.

What is a classic example of a multi-tier architecture?

• Three-tier architecture

• Four-tier architecture

• Two-tier architecture

• Single-tier architecture

Why is it beneficial to separate tiers in a multi-tier architecture?

• To increase complexity

• To reduce flexibility

• To enhance scalability and independence

• To limit cloud usage

What is the main disadvantage of vertical scaling in AWS?

• It is more cost-effective

• It requires more servers

• It is less efficient for resource management

• It simplifies architecture design

Which scaling approach is recommended by AWS for better efficiency?

• Horizontal scaling

• Diagonal scaling

• Circular scaling

• Vertical scaling

How can AWS Lambda be utilized in a multi-tier architecture?

• As a data storage service

• To handle business logic tier

• As a networking service

• For managing presentation tier

What role does EC2 play in a multi-tier architecture?

• It is used for data analytics

• It manages the business logic tier

• It can be used for the presentation tier

• It is a database service

What is the advantage of using AWS managed services in a multi-tier architecture?

• They reduce operational complexity

• They are only for small applications

• They increase manual workload

• They limit scalability