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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Solutions Architect - Associate |
| Exam Number: | SAA-C03 |
| Exam Format: | Multiple Response, Multiple Choice |
| Related Certifications: | AWS Certified Solutions Architect - Professional |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 65 |
| Available Languages: | English, Japanese, Korean, Simplified Chinese |
| Passing Score: | 720 / 1000 |
| Exam Duration: | 130 minutes |
| Exam Price: | $150 USD |
| 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(Amazon AWS Certified Solutions Architect - Associate)考試是一項認證考試,旨在測試希望成為AWS認證解決方案架構師的個人的技能和知識。該考試適用於在AWS平台上設計分佈式系統並深入了解AWS服務及其彼此集成的個人。成功完成此考試表明候選人深入了解AWS服務,能夠設計可擴展、可靠且成本效益高的解決方案。
問題 #599
A company runs a database on Amazon Aurora in the us-east-1 Region. The company has a disaster recovery requirement that the database be available in another Region.
Which solution meets this requirement with minimal disruption to the database operations?
答案:C
解題說明:
The requirement is explicitly for database availability inanother AWS Region, so the correct solution isAurora cross-Region read replicas. AWS documentation states that cross-Region Aurora Replicas create a replica of the primary DB cluster in another Region using engine-native replication, which provides a low-disruption disaster recovery option. Multi-AZ and standard Aurora Replicas improve availability or scalingwithin a Region, not across Regions. EBS snapshots are not how Aurora disaster recovery is typically delivered and would involve more operational disruption and slower recovery. Therefore, cross-Region Aurora Replicas are the best match for cross-Region DR with minimal change to operations.
問題 #600
A company previously migrated its data warehouse solution to AWS. The company also has an AWS Direct Connect connection. Corporate office users query the data warehouse using a visualization tool. The average size of a query returned by the data warehouse is 50 MB and each webpage sent by the visualization tool is approximately 500 KB. Result sets returned by the data warehouse are not cached.
Which solution provides the LOWEST data transfer egress cost for the company?
答案:C
解題說明:
https://aws.amazon.com/directconnect/pricing/
https://aws.amazon.com/blogs/aws/aws-data-transfer-prices-reduced/
問題 #601
A solutions architect is designing a system to be highly resilient. The system uses Amazon Route
53 with health checks and an Application Load Balancer (ALB). The system is critical and must have the highest availability possible. Which solution will meet these requirements?
答案:B
解題說明:
Amazon Route 53 health checks can automatically perform DNS failover to healthy endpoints.
When integrated with an Application Load Balancer, this provides a highly resilient system architecture that automatically routes traffic to healthy resources across Regions or endpoints.
"Route 53 DNS failover automatically routes traffic away from unhealthy resources and directs it to healthy resources that you specify in DNS records." Why B is correct:
Route 53 health checks automatically monitor endpoint health and switch to a healthy target when the primary endpoint fails.
The failover process is automatic, with no manual updates to DNS records required.
Combined with ALB's built-in multi-AZ resilience, this provides maximum availability.
Why others are incorrect:
A & C: Require manual DNS updates, which are not automatic and introduce latency.
D: Creating new ALBs during failover increases downtime and is operationally inefficient.
問題 #602
A company has users all around the world accessing its HTTP-based application deployed on Amazon EC2 instances in multiple AWS Regions. The company wants to improve the availability and performance of the application. The company also wants to protect the application against common web exploits that may affect availability, compromise security, or consume excessive resources. Static IP addresses are required.
What should a solutions architect recommend to accomplish this?
答案:A
解題說明:
The company wants to improve the availability and performance of the application, as well as protect it against common web exploits. The company also needs static IP addresses for the application. To meet these requirements, a solutions architect should recommend the following solution:
Put the EC2 instances behind Network Load Balancers (NLBs) in each Region. NLBs are designed to handle millions of requests per second while maintaining high throughput at ultra-low latency. NLBs also support static IP addresses for each Availability Zone, which can be useful for whitelisting or firewalling purposes.
Deploy AWS WAF on the NLBs. AWS WAF is a web application firewall that helps protect web applications from common web exploits that could affect availability, security, or performance. AWS WAF lets you define customizable web security rules that control which traffic to allow or block to your web applications.
Create an accelerator using AWS Global Accelerator and register the NLBs as endpoints. AWS Global Accelerator is a service that improves the availability and performance of your applications with local or global users. It provides static IP addresses that act as a fixed entry point to your application endpoints in any AWS Region. It uses the AWS global network to optimize the path from your users to your applications, improving the performance of your TCP and UDP traffic.
This solution will provide high availability across Availability Zones and Regions, improve performance by routing traffic over the AWS global network, protect the application from common web attacks, and provide static IP addresses for the application.
References:
Network Load Balancer
AWS WAF
AWS Global Accelerator
問題 #603
A company has multiple AWS accounts for development work. Some staff consistently use oversized Amazon EC2 instances, which causes the company to exceed the yearly budget for the development accounts The company wants to centrally restrict the creation of AWS resources in these accounts Which solution will meet these requirements with the LEAST development effort?
答案:B
解題說明:
Explanation
AWS Organizations is a service that helps users centrally manage and govern multiple AWS accounts. It allows users to create organizational units (OUs) to group accounts based on business needs or other criteria. It also allows users to define and attach service control policies (SCPs) to OUs or accounts to restrict the actions that can be performed by the accounts1. By using AWS Organizations, the solution can centrally restrict the creation of AWS resources in the development accounts.
A: Develop AWS Systems Manager templates that use an approved EC2 creation process. Use the approved Systems Manager templates to provision EC2 instances. This solution will not meet the requirement of the least development effort, as it involves developing and maintaining custom templates for EC2 creation, and relying on the staff to use the approved templates instead of enforcing a restriction2.
C: Configure an Amazon EventBridge rule that invokes an AWS Lambda function when an EC2 instance is created. Stop disallowed EC2 instance types. This solution will not meet the requirement of the least development effort, as it involves writing custom code for Lambda functions, and handling events and errors for EC2 creation3.
D: Set up AWS Service Catalog products for the staff to create the allowed EC2 instance types En-sure that staff can deploy EC2 instances only by using the Service Catalog products. This solution will not meet the requirement of the least development effort, as it involves setting up and managing Service Catalog products for EC2 creation, and ensuring that staff can only use Service Catalog products instead of enforcing a restriction.
Reference URL: https://docs.aws.amazon.com/organizations/latest/userguide/orgs_manage_policies_scps.html
問題 #604
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