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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Solutions Architect - Associate |
| Exam Number: | SAA-C03 |
| Exam Duration: | 130 minutes |
| Available Languages: | Japanese, Simplified Chinese, English, Korean |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple Response, Multiple Choice |
| Related Certifications: | AWS Certified Solutions Architect - Professional |
| Real Exam Qty: | 65 |
| Exam Price: | $150 USD |
| Passing Score: | 720 / 1000 |
| Sample Questions: | Amazon SAA-C03 Sample Questions |
| Exam Way: | Online (Pearson VUE or PSI) or Test Center |
| Pre Condition: | No mandatory prerequisites. AWS recommends at least 1 year of hands-on experience designing distributed systems on AWS. |
| Official Syllabus URL: | https://aws.amazon.com/certification/certified-solutions-architect-associate/ |
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Amazon SAA-C03 Certification Exam is a comprehensive exam that requires a thorough understanding of AWS services and the ability to apply that knowledge to real-world scenarios. Candidates who pass the exam demonstrate their ability to design and deploy AWS infrastructure, including compute, storage, networking, and security services. They also demonstrate their capability to optimize AWS services for performance, cost, and scalability.
Amazon SAA-C03 Exam is the latest version of the Amazon AWS Certified Solutions Architect - Associate certification exam. It is designed to test the candidate's knowledge and skills in designing and deploying scalable, highly available, and fault-tolerant systems on the AWS platform. The SAA-C03 exam covers a wide range of topics, including AWS architecture, networking, security, storage, database, compute, and AWS services.
NEW QUESTION # 754
[Design High-Performing Architectures]
A company has a legacy data processing application that runs on Amazon EC2 instances. Data is processed sequentially, but the order of results does not matter. The application uses a monolithicarchitecture. The only way that the company can scale the application to meet increased demand is to increase the size of the instances.
The company's developers have decided to rewrite the application to use a microservices architecture on Amazon Elastic Container Service (Amazon ECS).
What should a solutions architect recommend for communication between the microservices?
Answer: D
Explanation:
Queue has Limited throughput (300 msg/s without batching, 3000 msg/s with batching whereby up-to 10 msg per batch operation; Msg duplicates not allowed in the queue (exactly-once delivery); Msg order is preserved (FIFO); Queue name must end with .fifo
NEW QUESTION # 755
The following IAM policy is attached to an IAM group. This is the only policy applied to the group.
Answer: B
Explanation:
This answer is correct because it reflects the effect of the IAM policy on the group members. The policy has two statements: one with an Allow effect and one with a Deny effect. The Allow statement grants permission to perform any EC2 action on any resource within the us-east-1 Region. The Deny statement overrides the Allow statement and denies permission to perform the ec2:StopInstances and ec2:TerminateInstances actions on any resource within the us-east-1 Region, unless the group member is logged in with MFA. Therefore, the group members can perform any EC2 action except stopping or terminating instances in the us-east-1 Region, unless they use MFA.
NEW QUESTION # 756
A company runs multiple web applications on Amazon EC2 instances behind a single Application Load Balancer (ALB). The application experiences unpredictable traffic spikes throughout each day. The traffic spikes cause high latency. The unpredictable spikes last less than 3 hours. The company needs a solution to resolve the latency issue caused by traffic spikes.
Answer: A
Explanation:
AWS recommends Auto Scaling with dynamic scaling policies to handle unpredictable workload spikes.
Target tracking scaling policies automatically adjust capacity based on defined metrics such as average CPU utilization or request count per target. This approach ensures applications maintain responsiveness without overprovisioning. Scheduled scaling (options B and C) is only effective when traffic patterns are predictable, which is not the case here. Reserved Instances or Spot Instances also do not address sudden demand changes effectively. Replacing the ALB with an NLB (D) does not solve latency caused by EC2 instance capacity.
Therefore, using EC2 instances in an Auto Scaling group with a target tracking scaling policy is the most effective and cost-efficient solution for unpredictable, short-lived traffic spikes.
References:* Amazon EC2 Auto Scaling User Guide - Target tracking scaling policies* AWS Well- Architected Framework - Performance Efficiency Pillar: Elasticity and scaling
NEW QUESTION # 757
A company has a mulli-tier application that runs six front-end web servers in an Amazon EC2 Auto Scaling group in a single Availability Zone behind an Application Load Balancer (ALB). A solutions architect needs lo modify the infrastructure to be highly available without modifying the application.
Which architecture should the solutions architect choose that provides high availability?
Answer: B
Explanation:
High availability can be enabled for this architecture quite simply by modifying the existing Auto Scaling group to use multiple availability zones. The ASG will automatically balance the load so you don't actually need to specify the instances per AZ.
NEW QUESTION # 758
A solutions architect must design a solution that uses Amazon CloudFront with an Amazon S3 origin to serve a static website. The solution must use AWS WAF to inspect all website traffic.
Answer: B
Explanation:
The correct and secure approach is to use Amazon CloudFront with Origin Access Control (OAC) to protect the S3 origin and attach AWS WAF to the CloudFront distribution to inspect and filter traffic at the edge before reaching the origin.
From AWS Documentation:
"AWS WAF is integrated with Amazon CloudFront, allowing inspection of HTTP(S) requests at the edge location before forwarding to your origin. To restrict direct access to the S3 bucket, use Origin Access Control (OAC)." (Source: Amazon CloudFront Developer Guide - Serving private content) Why Option D is correct:
CloudFront is the only service that integrates with AWS WAF for full HTTP layer inspection.
Origin Access Control (OAC) ensures that only CloudFront can access the S3 origin-replacing older Origin Access Identity (OAI) features.
The S3 bucket policy is configured to trust requests only from CloudFront using OAC signed requests.
Why the other options are incorrect:
Option A: WAF ARN is not a principal in S3 bucket policy. IAM does not support bucket policies based on WAF ARNs.
Option B: Incorrect - CloudFront doesn ' t " forward requests to WAF " ; rather, WAF is associated with CloudFront and inspects requests at the edge.
Option C: S3 does not use security groups; they are for EC2/network interfaces. This shows a misunderstanding of how S3 works.
References:
Amazon CloudFront Developer Guide - " Serving Private Content with OAC " AWS WAF Developer Guide - " Protecting CloudFront with AWS WAF " AWS Well-Architected Framework - Security Pillar
NEW QUESTION # 759
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