AWS-Solutions-Architect-Associate題庫分享 - AWS-Solutions-Architect-Associate熱門題庫

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Amazon AWS-Solutions-Architect-Associate Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Design Secure Architectures	30%	- Determine appropriate data security controls 1. Data protection at rest 2. Key management 3. Data protection in transit - Design secure access to AWS resources 1. Least privilege access 2. Authentication and authorization mechanisms 3. Identity and access management - Design secure workloads and applications 1. Network security controls 2. Secure application integration 3. Data encryption
Topic 2: Design Resilient Architectures	26%	- Design scalable and loosely coupled architectures 1. Decoupled services 2. Event-driven architectures 3. Elastic scaling - Design highly available and fault-tolerant architectures 1. Disaster recovery planning 2. Multi-AZ and multi-region strategies 3. Backup and recovery
Topic 3: Design High-Performing Architectures	24%	- Determine high-performing and scalable storage solutions 1. Object storage 2. Block storage 3. File storage - Determine high-performing database and network architectures 1. Database service selection 2. Network performance optimization 3. Caching strategies - Design high-performing compute solutions 1. Serverless architectures 2. Performance optimization 3. Compute service selection
Topic 4: Design Cost-Optimized Architectures	20%	- Design cost-optimized compute, database, and network solutions 1. Resource right-sizing 2. Pricing models 3. Cost monitoring and optimization - Design cost-optimized storage solutions 1. Storage class selection 2. Lifecycle management

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最新的 AWS Certified Solutions Architect AWS-Solutions-Architect-Associate 免費考試真題 (Q317-Q322):

問題 #317
You receive a bill from AWS but are confused because you see you are incurring different costs for the exact same storage size in different regions on Amazon S3. You ask AWS why this is so. What response would you expect to receive from AWS?

A. It must be a mistake.
B. We charge less where our costs are less.
C. This will balance out next bill.
D. We charge less in different time zones.

答案：B

解題說明：
Amazon S3 is storage for the internet. It's a simple storage service that offers software developers a highly-scalable, reliable, and low-latency data storage infrastructure at very low costs.
AWS charges less where their costs are less.
For example, their costs are lower in the US Standard Region than in the US West (Northern California) Region.
Reference: https://aws.amazon.com/s3/faqs/

問題 #318
An organization is deploying Amazon ElastiCache for Redis and requires password protection to improve their data security posture.
Which solution should a Solutions Architect recommend?

A. VPC security group for Redis
B. Redis Auth
C. AWS Single Sign-On
D. 1AM database authentication

答案：B

問題 #319
A company needs to integrate with a third-party data feed. The data feed sends a webhook to notify an external service when new data is ready for consumption A developer wrote an AWS Lambfe function to retrieve data when the company receives a webhook callback The developer must make the Lambda function available for the third party to call.
Which solution will meet these requirements with the MOST operational efficiency?

A. Create an Amazon Simple Notification Service (Amazon SNS) topic. Attach the topic to the Lambda function. Provide the public hostname of the SNS topic to the third party for the webhook.
B. Deploy an Application Load Balancer (ALB) in front of the Lambda function. Provide the ALB URL to the third party for the webhook
C. Create a function URL for the Lambda function. Provide the Lambda function URL to the third party for the webhook.
D. Create an Amazon Simple Queue Service (Amazon SQS) queue. Attach the queue to the Lambda function. Provide the public hostname of the SQS queue to the third party for the webhook.

答案：C

解題說明：
Explanation
A function URL is a unique identifier for a Lambda function that can be used to invoke the function over HTTPS. It is composed of the API endpoint of the AWS Region where the function is deployed, and the name or ARN of the function1. By creating a function URL for the Lambda function, the solution can make the Lambda function available for the third party to call with the most operational efficiency.
B: Deploy an Application Load Balancer (ALB) in front of the Lambda function. Provide the ALB URL to the third party for the webhook. This solution will not meet the requirement of the most operational efficiency, as it involves creating and managing an additional resource (ALB) that is not necessary for invoking a Lambda function over HTTPS2.
C: Create an Amazon Simple Notification Service (Amazon SNS) topic. Attach the topic to the Lambda function. Provide the public hostname of the SNS topic to the third party for the webhook. This solution will not work, as Amazon SNS topics do not have public hostnames that can be used as webhooks. SNS topics are used to publish messages to subscribers, not to receive messages from external sources3.
D: Create an Amazon Simple Queue Service (Amazon SQS) queue. Attach the queue to the Lamb-da function.
Provide the public hostname of the SQS queue to the third party for the webhook. This solution will not work, as Amazon SQS queues do not have public hostnames that can be used as webhooks. SQS queues are used to send, store, and receive messages between AWS services, not to receive messages from external sources.
Reference URL: https://docs.aws.amazon.com/lambda/latest/dg/lambda-api-permissions-ref.html

問題 #320
An application runs on Amazon EC2 instances across multiple Availability Zones The instances run in an Amazon EC2 Auto Scaling group behind an Application Load Balancer The application performs best when the CPU utilization of the EC2 instances is at or near 40% What should a solutions architect do to maintain the desired performance across all instances m the group?

A. Use a simple scaling policy to dynamically scale the Auto Scaling group
B. Use a target tracking policy to dynamically scale the Auto Scaling group
C. Use scheduled scaling actions to scale up and scale down the Auto Scaling group
D. Use an AWS Lambda function to update the desired Auto Scaling group capacity

答案：B

問題 #321
A university is running an internal web application on AWS that students can access from the university network to check their exam results. The web application runs on Amazon EC2 instances and pulls results from an Amazon DynamoDB table. Auto Scaling is currently configured to add a new web server when CPU is greater than 80% for 5 minutes.
DynamoDB is configured to increase both read and write capacity units by five when utilization is greater than
80%. Exam results are released at 9:00 a.m. each Monday, and
80% of students, attempt to access their unique result within the first 30 minutes. Despite Auto Scaling being enabled, students are complaining of slow response times and errors when they view the site. There are no performance complaints after 9:30 a.m. on Monday.
Which recommendation should a Solutions Architect make to improve performance in a cost-effective manner?

A. Scale out the EC2 instances to ensure that the environment scales up and down based on the highest load.
B. Use a scheduled job to scale out EC2 before 9:00 a.m. on Monday and to scale down after 9:30 a.m.
C. Use Amazon CloudFront to cache web request and reduce the load on EC2 and DynamoDB.
D. Implement Amazon DynamoDB Accelerator to improve database performance and remove the need to scale the read/write units.

答案：B

問題 #322
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