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| Section | Weight | Objectives |
|---|---|---|
| Design Cost-Optimized Architectures | 20% | - Cost management tools
|
| Design High-Performing Architectures | 24% | - Compute and storage optimization
|
| Design Resilient Architectures | 26% | - Fault tolerance and recovery
|
| Design Secure Architectures | 30% | - Secure access to AWS resources
|
>> Valid SAA-C03 Exam Answers <<
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NEW QUESTION # 212
A company is developing a new application that uses a relational database to store user data and application configurations. The company expects the application to have steady user growth. The company expects the database usage to be variable and read-heavy, with occasional writes.
The company wants to cost-optimize the database solution. The company wants to use an AWS managed database solution that will provide the necessary performance.
Which solution will meet these requirements MOST cost-effectively?
Answer: A
Explanation:
Amazon Aurora Serverless is a cost-effective, on-demand, autoscaling configuration for Amazon Aurora. It automatically adjusts the database's capacity based on the current demand, which is ideal for workloads with variable and unpredictable usage patterns. Since the application is expected to be read-heavy with occasional writes and steady growth, Aurora Serverless can provide the necessary performance without requiring the management of database instances.
* Cost-Optimization: Aurora Serverless only charges for the database capacity you use, making it a more cost-effective solution compared to always running provisioned database instances, especially for workloads with fluctuating demand.
* Scalability: It automatically scales database capacity up or down based on actual usage, ensuring that you always have the right amount of resources available.
* Performance: Aurora Serverless is built on the same underlying storage as Amazon Aurora, providing high performance and availability.
* Why Not Other Options?:
* Option A (RDS with Provisioned IOPS SSD): While Provisioned IOPS SSD ensures consistent performance, it is generally more expensive and less flexible compared to the autoscaling nature of Aurora Serverless.
* Option C (DynamoDB with On-Demand Capacity): DynamoDB is a NoSQL database and may not be the best fit for applications requiring relational database features.
* Option D (RDS with Magnetic Storage and Read Replicas): Magnetic storage is outdated and generally slower. While read replicas help with read-heavy workloads, the overall performance might not be optimal, and magnetic storage doesn't provide the necessary performance.
AWS References:
* Amazon Aurora Serverless - Information on how Aurora Serverless works and its use cases.
* Amazon Aurora Pricing - Details on the cost-effectiveness of Aurora Serverless.
NEW QUESTION # 213
A manufacturing company runs a production workload in the AWS Cloud. The software is a legacy system that runs on Amazon EC2 instances. Customers communicate with the system by using a custom TCP-based protocol. The company needs to make the system highly available to comply with new requirements. Which solution will meet these requirements?
Answer: D
Explanation:
A Network Load Balancer (NLB) supports TCP traffic, which is required for the custom protocol.
Deploying EC2 instances across multiple Availability Zones behind the NLB with health checks ensures high availability and automatic failover within the same Region. Application Load Balancers do not support raw TCP traffic.
NEW QUESTION # 214
A company is reviewing a recent migration of a three-tier application to a VPC. The security team discovers that the principle of least privilege is not being applied to Amazon EC2 security group ingress and egress rules between the application tiers.
What should a solutions architect do to correct this issue?
Answer: D
Explanation:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/security-group-rules.html
NEW QUESTION # 215
A company has an on-premises application that uses SFTP to collect financial data from multiple vendors.
The company is migrating to the AWS Cloud. The company has created an application that uses Amazon S3 APIs to upload files from vendors.
Some vendors run their systems on legacy applications that do not support S3 APIs. The vendors want to continue to use SFTP-based applications to upload data. The company wants to use managed services for the needs of the vendors that use legacy applications.
Which solution will meet these requirements with the LEAST operational overhead?
Answer: D
Explanation:
AWS Transfer Family is a fully managed service that provides SFTP, FTPS, and FTP access directly to Amazon S3. It allows organizations to support legacy data transfer protocols without managing infrastructure.
This approach gives the vendors a familiar SFTP interface, with files landing directly in S3, and requires minimal operational effort compared to managing EC2 servers or using gateways.
Reference Extract from AWS Documentation / Study Guide:
"AWS Transfer Family enables secure transfer of files directly into and out of Amazon S3 using SFTP, FTPS, and FTP, and is fully managed by AWS, significantly reducing operational overhead." Source: AWS Certified Solutions Architect - Official Study Guide, Data Migration and Transfer section.
NEW QUESTION # 216
A company is developing a serverless web application that gives users the ability to interact with real-time analytics from online games. The data from the games must be streamed in real time.
The company needs a durable, low-latency database option for user data. The company does not know how many users will use the application. Any design considerations must provide response times of single-digit milliseconds as the application scales. Which combination of AWS services will meet these requirements? (Select TWO.)
Answer: A,C
Explanation:
Amazon Kinesis allows real-time ingestion of game events at scale, while Amazon DynamoDB provides millisecond-latency access to user data, automatically scaling with demand. This combination ensures real-time processing and fast data retrieval without managing infrastructure.
NEW QUESTION # 217
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