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To be eligible to take the Amazon SAA-C03 certification exam, candidates need to have a minimum of one year of experience in designing and deploying cloud architecture on AWS. Additionally, candidates need to have a good understanding of AWS services, including compute, storage, networking, and security. AWS Certified Solutions Architect - Associate certification exam is designed to evaluate the candidate’s knowledge of AWS services and their ability to design and deploy scalable, highly available, and fault-tolerant systems on the AWS platform.
Amazon SAA-C03 (Amazon AWS Certified Solutions Architect - Associate) certification exam is designed for IT professionals who want to demonstrate their expertise in designing and deploying scalable, highly available, and fault-tolerant systems on the Amazon Web Services (AWS) platform. The SAA-C03 Exam is the latest version of the AWS Certified Solutions Architect - Associate certification and it covers the latest AWS services and best practices. SAA-C03 exam is intended for professionals who have at least one year of experience in designing and deploying AWS-based applications.
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NEW QUESTION # 891
A Solutions Architect is working for a large global media company with multiple office locations all around the world. The Architect is instructed to build a system to distribute training videos to all employees. Using CloudFront, what method would be used to serve content that is stored in S3, but not publicly accessible from S3 directly?
Answer: C
Explanation:
When you create or update a distribution in CloudFront, you can add an origin access identity (OAI) and automatically update the bucket policy to give the origin access identity permission to access your bucket. Alternatively, you can choose to manually change the bucket policy or change ACLs, which control permissions on individual objects in your bucket.
You can update the Amazon S3 bucket policy using either the AWS Management Console or the Amazon S3 API:
- Grant the CloudFront origin access identity the applicable permissions on the bucket.
- Deny access to anyone that you don't want to have access using Amazon S3 URLs.
Hence, the correct answer is: Create an Origin Access Identity (OAI) for CloudFront and grant access to the objects in your S3 bucket to that OAI.
The option that says: Create an Identity and Access Management (IAM) user for CloudFront and grant access to the objects in your S3 bucket to that IAM user is incorrect because you cannot directly create an IAM User for a specific Amazon CloudFront distribution. You have to use an origin access identity (OAI) instead.
The option that says: Create an S3 bucket policy that lists the CloudFront distribution ID as the principal and the target bucket as the Amazon Resource Name (ARN) is incorrect because setting up an Amazon S3 bucket policy won't suffice. You have to first create an OAI in CloudFront and use that OAI as an authorized user in your Amazon S3 bucket.
The option that says: Create a web ACL in AWS WAF to block any public S3 access and attach it to the Amazon CloudFront distribution is incorrect because AWS WAF is primarily used to protect your applications from common web vulnerabilities and not for ensuring exclusive access to CloudFront.
Explanation:
Reference:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-restricting-acce ss-to-s3.html#private-content-granting-permissions-to-oai Check out this Amazon CloudFront Cheat Sheet:
https://tutorialsdojo.com/amazon-cloudfront/
S3 Pre-signed URLs vs CloudFront Signed URLs vs Origin Access Identity (OAI)
https://tutorialsdojo.com/s3-pre-signed-urls-vs-cloudfront-signed-urls-vs-origin-access-identity-oai/ Comparison of AWS Services Cheat Sheets:
https://tutorialsdojo.com/comparison-of-aws-services/
NEW QUESTION # 892
[Design Resilient Architectures]
A company will deployed a web application on AWS. The company hosts the backend database on Amazon RDS for MySQL with a primary DB instance and five read replicas to support scaling needs. The read replicas must log no more than 1 second bahind the primary DB Instance. The database routinely runs scheduled stored procedures.
As traffic on the website increases, the replicas experinces addtional lag during periods of peak lead. A solutions architect must reduce the replication lag as much as possible. The solutions architect must minimize changes to the applicatin code and must minimize ongoing overhead.
Which solution will meet these requirements?
Migrate the database to Amazon Aurora MySQL. Replace the read replicas with Aurora Replicas, and configure Aurora Auto Scaling. Replace the stored procedures with Aurora MySQL native functions.
Deploy an Amazon ElasticCache for Redis cluser in front of the database. Modify the application to check the cache before the application queries the database. Repace the stored procedures with AWS Lambda funcions.
Answer: A
Explanation:
Option A is the most appropriate solution for reducing replication lag without significant changes to the application code and minimizing ongoing operational overhead. Migrating the database to Amazon Aurora MySQL allows for improved replication performance and higher scalability compared to Amazon RDS for MySQL. Aurora Replicas provide faster replication, reducing the replication lag, and Aurora Auto Scaling ensures that there are enough Aurora Replicas to handle the incoming traffic. Additionally, Aurora MySQL native functions can replace the stored procedures, reducing the load on the database and improving performance.
NEW QUESTION # 893
A company is designing an application to maintain a record of customer orders. The application will generate events. The company wants to use an Amazon EventBridge event bus to send the application's events to an Amazon DynamoDB table.
Which solution will meet these requirements?
Answer: A
NEW QUESTION # 894
A company runs an application in a VPC on AWS. The company's on-premises data center has a DNS server. The data center is connected to AWS through an AWS Direct Connect connection with a private virtual interface (VIF). The on-premises DNS server needs to resolve the DNS name of the application in the VPC.
Answer: B
Explanation:
When on-premises DNS servers need to resolve private DNS names in a VPC, the correct pattern is to create a Route 53 Resolver inbound endpoint. The inbound endpoint allows DNS queries to flow from the on-premises environment into the VPC, where Route 53 can resolve VPC-specific names (such as private hosted zones or private resource records). Outbound endpoints (C) are for sending VPC DNS queries to on-premises, not the reverse. Verified Access (A) is unrelated to DNS resolution. Direct Connect (B) provides network connectivity but does not provide DNS forwarding capabilities. Therefore, option D is the correct design.
Reference:
* Amazon Route 53 Resolver Developer Guide - Inbound and outbound endpoints
* AWS Well-Architected Framework - Security Pillar: Hybrid DNS integration
NEW QUESTION # 895
A Solutions Architect of a multinational gaming company develops video games for PS4, Xbox One, and Nintendo Switch consoles, plus a number of mobile games for Android and iOS. Due to the wide range of their products and services, the architect proposed that they use API Gateway.
What are the key features of API Gateway that the architect can tell to the client? (Select TWO.)
Answer: B,D
Explanation:
Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale. With a few clicks in the AWS Management Console, you can create an API that acts as a "front door" for applications to access data, business logic, or functionality from your back-end services, such as workloads running on Amazon Elastic Compute Cloud (Amazon EC2), code running on AWS Lambda, or any web application. Since it can use AWS Lambda, you can run your APIs without servers.
Amazon API Gateway handles all the tasks involved in accepting and processing up to hundreds of thousands of concurrent API calls, including traffic management, authorization and access control, monitoring, and API version management. Amazon API Gateway has no minimum fees or startup costs.
You pay only for the API calls you receive and the amount of data transferred out. Hence, the correct answers are:
- Enables you to build RESTful APIs and WebSocket APIs that are optimized for serverless workloads
- You pay only for the API calls you receive and the amount of data transferred out.
The option that says: It automatically provides a query language for your APIs similar to GraphQL is incorrect because this is not provided by API Gateway.
The option that says: Provides you with static anycast IP addresses that serve as a fixed entry point to your applications hosted in one or more AWS Regions is incorrect because this is a capability of AWS Global Accelerator and not API Gateway.
The option that says: Enables you to run applications requiring high levels of inter-node communications at scale on AWS through its custom-built operating system (OS) bypass hardware interface is incorrect because this is a capability of Elastic Fabric Adapter and not API Gateway. References:
https://aws.amazon.com/api-gateway/
https://aws.amazon.com/api-gateway/features/
Check out this Amazon API Gateway Cheat Sheet:
https://tutorialsdojo.com/amazon-api-gateway/
Tutorials Dojo's AWS Certified Solutions Architect Associate Exam Study Guide:
https://tutorialsdojo.com/aws-certified-solutions-architect-associate/
NEW QUESTION # 896
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