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Amazon SAA-C03 Certification is highly valued in the IT industry, as it demonstrates that an individual has a deep understanding of AWS services and can design and deploy complex systems on AWS. AWS Certified Solutions Architect - Associate certification is particularly relevant for individuals who are interested in working as solutions architects, systems administrators, or developers on AWS.
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To become certified, candidates must pass the SAA-C03 Exam, which consists of 65 multiple-choice and multiple-response questions that must be completed within 130 minutes. SAA-C03 exam is computer-based and can be taken at a testing center or remotely. The passing score for the exam is 720 out of 1000.
Amazon SAA-C03 (Amazon AWS Certified Solutions Architect - Associate) exam is a certification offered by Amazon Web Services (AWS) for individuals who want to validate their skills and knowledge in designing and deploying scalable, highly available, and fault-tolerant systems on AWS. AWS Certified Solutions Architect - Associate certification is designed for those who have experience in designing distributed applications and systems on the AWS platform using various AWS services and best practices.
NEW QUESTION # 343
A company has hundreds of Amazon EC2 Linux-based instances in the AWS Cloud. Systems administrators have used shared SSH keys to manage the instances After a recent audit, the company's security team is mandating the removal of all shared keys. A solutions architect must design a solution that provides secure access to the EC2 instances.
Which solution will meet this requirement with the LEAST amount of administrative overhead?
Answer: B
Explanation:
Session Manager is a fully managed AWS Systems Manager capability. With Session Manager, you can manage your Amazon Elastic Compute Cloud (Amazon EC2) instances, edge devices, on-premises servers, and virtual machines (VMs). You can use either an interactive one-click browser-based shell or the AWS Command Line Interface (AWS CLI). Session Manager provides secure and auditable node management without the need to open inbound ports, maintain bastion hosts, or manage SSH keys. Session Manager also allows you to comply with corporate policies that require controlled access to managed nodes, strict security practices, and fully auditable logs with node access details, while providing end users with simple one-click cross-platform access to your managed nodes. https://docs.aws.amazon.com/systems-manager/latest/userguide
/session-manager.html
NEW QUESTION # 344
[Design Resilient Architectures]
A solutions architect is designing the architecture for a software demonstration environment The environment will run on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB) The system will experience significant increases in traffic during working hours but Is not required to operate on weekends.
Which combination of actions should the solutions architect take to ensure that the system can scale to meet demand? (Select TWO)
Answer: A,C
Explanation:
https://docs.aws.amazon.com/autoscaling/ec2/userguide/as-scaling-target-tracking.html#target-tracking-choose-metrics A target tracking scaling policy is a type of dynamic scaling policy that adjusts the capacity of an Auto Scaling group based on a specified metric and a target value1. A target tracking scaling policy can automatically scale out or scale in the Auto Scaling group to keep the actual metric value at or near the target value1. A target trackingscaling policy issuitable for scenarios where the load on the application changes frequently and unpredictably, such as during working hours2.
To meet the requirements of the scenario, the solutions architect should use a target tracking scaling policy to scale the Auto Scaling group based on instance CPU utilization. Instance CPU utilization is a common metric that reflects the demand on the application1. The solutions architect should specify a target value that represents the ideal average CPU utilization level for the application, such as 50 percent1. Then, the Auto Scaling group will scale out or scale in to maintain that level of CPU utilization.
Scheduled scaling is a type of scaling policy that performs scaling actions based on a date and time3. Scheduled scaling is suitable for scenarios where the load on the application changes periodically and predictably, such as on weekends2.
To meet the requirements of the scenario, the solutions architect should also use scheduled scaling to change the Auto Scaling group minimum, maximum, and desired capacity to zero for weekends. This way, the Auto Scaling group will terminate all instances on weekends when they are not required to operate. The solutions architect should also revert to the default values at the start of the week, so that the Auto Scaling group can resume normal operation.
NEW QUESTION # 345
[Design High-Performing Architectures]
A company wants to move a multi-tiered application from on premises to the AWS Cloud to improve the application's performance. The application consists of application tiers that communicate with each other by way of RESTful services. Transactions are dropped when one tier becomes overloaded. A solutions architect must design a solution that resolves these issues and modernizes the application.
Which solution meets these requirements and is the MOST operationally efficient?
Answer: C
Explanation:
https://aws.amazon.com/getting-started/hands-on/build-serverless-web-app-lambda-apigateway-s3-dynamodb-cognito/module-4/ Build a Serverless Web Application with AWS Lambda, Amazon API Gateway, AWS Amplify, Amazon DynamoDB, and Amazon Cognito. This example showed similar setup as question: Build a Serverless Web Application with AWS Lambda, Amazon API Gateway, AWS Amplify, Amazon DynamoDB, and Amazon Cognito
NEW QUESTION # 346
A company is hosting an application on EC2 instances that regularly pushes and fetches data in Amazon S3. Due to a change in compliance, the instances need to be moved on a private subnet. Along with this change, the company wants to lower the data transfer costs by configuring its AWS resources.
How can this be accomplished in the MOST cost-efficient manner?
Answer: B
Explanation:
VPC endpoints for Amazon S3 simplify access to S3 from within a VPC by providing configurable and highly reliable secure connections to S3 that do not require an internet gateway or Network Address Translation (NAT) device. When you create an S3 VPC endpoint, you can attach an endpoint policy to it that controls access to Amazon S3.
You can use two types of VPC endpoints to access Amazon S3: gateway endpoints and interface endpoints. A gateway endpoint is a gateway that you specify in your route table to access Amazon S3 from your VPC over the AWS network. Interface endpoints extend the functionality of gateway endpoints by using private IP addresses to route requests to Amazon S3 from within your VPC, on-premises, or from a different AWS Region. Interface endpoints are compatible with gateway endpoints. If you have an existing gateway endpoint in the VPC, you can use both types of endpoints in the same VPC.
There is no additional charge for using gateway endpoints. However, standard charges for data transfer and resource usage still apply.
Hence, the correct answer is: Create an Amazon S3 gateway endpoint to enable a connection between the instances and Amazon S3.
The option that says: Set up a NAT Gateway in the public subnet to connect to Amazon S3 is incorrect.
This will enable a connection between the private EC2 instances and Amazon S3 but it is not the most cost-efficient solution. NAT Gateways are charged on an hourly basis even for idle time.
The option that says: Create an Amazon S3 interface endpoint to enable a connection between the instances and Amazon S3 is incorrect. This is also a possible solution but it's not the most cost-effective solution. You pay an hourly rate for every provisioned Interface endpoint.
The option that says: Set up an AWS Transit Gateway to access Amazon S3 is incorrect because this service is mainly used for connecting VPCs and on-premises networks through a central hub.
References:
https://docs.aws.amazon.com/AmazonS3/latest/userguide/privatelink-interface-endpoints.html
https://docs.aws.amazon.com/vpc/latest/privatelink/vpce-gateway.html
Check out this Amazon S3 Cheat Sheet:
https://tutorialsdojo.com/amazon-s3/
NEW QUESTION # 347
A rapidly growing ecommerce company is running its workloads in a single AWS Region. A solutions architect must create a disaster recovery (DR) strategy that includes a different AWS Region The company wants its database to be up to date in the DR Region with the least possible latency The remaining infrastructure in the DR Region needs to run at reduced capacity and must be able to scale up it necessary Which solution will meet these requirements with the LOWEST recovery time objective (RTO)?
Answer: B
Explanation:
https://docs.aws.amazon.com/whitepapers/latest/disaster-recovery-workloads-on-aws/disaster-recovery-options-i
NEW QUESTION # 348
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