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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Deployment | 24% | - Infrastructure as code
|
| Topic 2: Security | 26% | - Application authentication and authorization
|
| Topic 3: Development with AWS Services | 32% | - AWS core services development
|
| Topic 4: Troubleshooting and Optimization | 18% | - Monitoring and logging
|
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NEW QUESTION # 746
A company has an application that generates large binary data outside of AWS. The company must encrypt the data before uploading the data to an Amazon S3 bucket.
Which solution will meet this requirement?
Answer: C
Explanation:
Comprehensive and Detailed 250 to 300 words of Explanation From AWS Developer Documents:
The key requirement in this scenario is that the data must be encrypted before it is uploaded to Amazon S3, and the data is generated outside of AWS. This explicitly points to a client-side encryption requirement.
AWS documentation distinguishes clearly between server-side encryption and client-side encryption.
Server-side encryption options for Amazon S3-including enabling default bucket encryption or specifying the x-amz-server-side-encryption request header-encrypt the data after it is received by Amazon S3.
Therefore, options B and D do not satisfy the requirement because the plaintext data is transmitted to AWS before encryption occurs.
Option A, using the AWS KMS encrypt command, is not suitable for large binary objects. AWS KMS is designed to encrypt small pieces of data (up to 4 KB). AWS documentation explicitly states that for large payloads, customers should use envelope encryption instead of directly encrypting data with AWS KMS.
The AWS Encryption SDK is specifically designed for client-side encryption of large data objects. It implements envelope encryption, where a data encryption key (DEK) is generated locally to encrypt the data, and the DEK is then encrypted with an AWS KMS key. This approach allows efficient encryption of large binary files while maintaining strong key management and security controls.
AWS documentation recommends the AWS Encryption SDK for applications that need to encrypt data before sending it to AWS services, including Amazon S3. It supports multiple programming languages, handles key management automatically, and ensures data confidentiality even before transmission.
Therefore, using the AWS Encryption SDK for client-side encryption is the only solution that fully satisfies all requirements.
NEW QUESTION # 747
A company is using an Amazon API Gateway REST API endpoint as a webhook to publish events from an on-premises source control management (SCM) system to Amazon EventBridge. The company has configured an EventBridge rule to listen for the events and to control application deployment in a central AWS account. The company needs to receive the same events across multiple receiver AWS accounts.
How can a developer meet these requirements without changing the configuration of the SCM system?
Answer: D
NEW QUESTION # 748
A developer is working on a Python application that runs on Amazon EC2 instances. The developer wants to enable tracing of application requests to debug performance issues in the code.
Which combination of actions should the developer take to achieve this goal? (Select TWO)
Answer: A,B
Explanation:
Explanation
This solution will meet the requirements by using AWS X-Ray to enable tracing of application requests to debug performance issues in the code. AWS X-Ray is a service that collects data about requests that the applications serve, and provides tools to view, filter, and gain insights into that data. The developer can install the AWS X-Ray daemon on the EC2 instances, which is a software that listens for traffic on UDP port
2000, gathers raw segment data, and relays it to the X-Ray API. The developer can also install and configure the AWS X-Ray SDK for Python in the application, which is a library that enables instrumenting Python code to generate and send trace data to the X-Ray daemon. Option A is not optimal because it will install the Amazon CloudWatch agent on the EC2 instances, which is a software that collects metrics and logs from EC2 instances and on-premises servers, not application performance data. Option C is not optimal because it will configure the application to write JSON-formatted logs to /var/log/cloudwatch, which is not a valid path or destination for CloudWatch logs. Option D is not optimal because it will configure the application to write trace data to /var/log/xray, which is also not a valid path or destination for X-Ray trace data.
References: [AWS X-Ray], [Running the X-Ray Daemon on Amazon EC2]
NEW QUESTION # 749
A company's developer has deployed an application in AWS by using AWS CloudFormation. The CloudFormation stack includes parameters in AWS Systems Manager Parameter Store that the application uses as configuration settings. The application can modify the parameter values.
When the developer updated the stack to create additional resources with tags, the developer noted that the parameter values were reset and that the values ignored the latest changes made by the application. The developer needs to change the way the company deploys the CloudFormation stack. The developer also needs to avoid resetting the parameter values outside the stack.
Which solution will meet these requirements with the LEAST development effort?
Answer: A
NEW QUESTION # 750
A company regularly receives route status updates from its delivery trucks as events in Amazon EventBridge. The company is building an API-based application in a VPC that will consume and process the events to create a delivery status dashboard. The API application must not be available by using public IP addresses because of security and compliance requirements.
How should the company send events from EventBridge to the API application?
Answer: D
Explanation:
Comprehensive Detailed Explanation with all AWS Reference
Why Option A is Correct:
Running an AWS Lambda function within the same VPC ensures secure communication without exposing the API application to public IP addresses. The Lambda function can serve as a secure EventBridge target to send events to the API.
Why Other Options are Incorrect:
Option B & C: Internet-facing load balancers expose public IP addresses, which violates compliance requirements.
Option D: EventBridge cannot directly target an endpoint within a private VPC without intermediary services like Lambda.
AWS Documentation Reference:
EventBridge Targets
NEW QUESTION # 751
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