AWS-Solutions-Associateファンデーション & AWS-Solutions-Associateリンクグローバル

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Amazon AWS-Solutions-Associate Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Design Resilient Architectures	26%	- Design resilient compute solutions 1. Workload distribution 2. Compute redundancy 3. Auto-scaling and elasticity - Design highly available and fault-tolerant architectures 1. High availability configurations 2. Fault tolerance mechanisms 3. Disaster recovery strategies - Design resilient storage solutions 1. Storage durability and availability 2. Replication and backup 3. Data consistency models
Topic 2: Design High-Performing Architectures	24%	- Design high-performing network architectures 1. Network throughput and latency 2. Global acceleration 3. Content delivery - Design high-performing storage solutions 1. Caching strategies 2. Storage performance optimization 3. Data access patterns - Design high-performing compute solutions 1. Compute selection and sizing 2. Parallel processing 3. Workload optimization
Topic 3: Design Secure Architectures	30%	- Design access management 1. Resource access control 2. Federated access 3. Identity and access management - Design secure network architectures 1. Network isolation and segmentation 2. Traffic protection 3. Edge security - Design secure workloads and applications 1. Security by design principles 2. Threat detection and mitigation 3. Data protection
Topic 4: Design Cost-Optimized Architectures	20%	- Design cost-optimized compute solutions 1. Right-sizing and scaling 2. Instance selection and purchasing options 3. Serverless and managed services - Design cost-optimized storage solutions 1. Cost monitoring and optimization 2. Data lifecycle management 3. Storage class selection - Design cost-optimized network architectures 1. Network service selection 2. Traffic routing efficiency 3. Data transfer cost optimization

>> AWS-Solutions-Associateファンデーション <<

無料PDFAWS-Solutions-Associateファンデーション | 素晴らしい合格率のAWS-Solutions-Associate Exam | 初段のAWS-Solutions-Associate: AWS Certified Solutions Architect - Associate (SAA-C03)

21世紀には、{Examcode}認定は受験者の特定の能力を表すため、社会でますます認知されるようになりました。ただし、{Examcode}認定を取得するには、AWS-Solutions-Associate試験の準備に多くの時間を費やす必要があります。合格しなくても、AWS-Solutions-Associate模擬試験の価格を支払う必要はありません。私たちがあなたに感銘を与えるのに十分な誠意を持っていることを望みます。

Amazon AWS Certified Solutions Architect - Associate (SAA-C03) 認定 AWS-Solutions-Associate 試験問題 (Q394-Q399):

質問 # 394
A company wants to create an application that will transmit protected health information (PHI) to thousands of service consumers in different AWS accounts. The application servers will sit in private VPC subnets. The routing for the application must be fault tolerant.
What should be done to meet these requirements?

A. Create a virtual private gateway connection between each pair of service provider VPCs and service consumer VPCs.
B. Create an internal Application Load Balancer in the service provider VPC and put application servers behind it.
C. Create a VPC endpoint service and grant permissions to specific service consumers to create a connection.
D. Create a proxy server in the service provider VPC to route requests from service consumers to the application servers.

正解：C

解説：
Explanation
https://docs.aws.amazon.com/vpc/latest/userguide/endpoint-service.html
"You can create your own application in your VPC and configure it as an AWS PrivateLink-powered service (referred to as an endpoint service). Other AWS principals can create a connection from their VPC to your endpoint service using an interface VPC endpoint. You are the service provider, and the AWS principals that create connections to your service are service consumers."

質問 # 395
A robotics company is designing a solution for medical surgery The robots will use advanced sensors, cameras, and Al algorithms to perceive their environment and to complete surgeries.
The company needs a public load balancer in the AWS Cloud that will ensure seamless communication with backend services. The load balancer must be capable of routing traffic based on the query strings to different target groups. The traffic must also be encrypted Which solution will meet these requirements?

A. Use a Gateway Load Balancer. Import a generated certificate in AWS Identity and Access Management (IAM). Attach the certificate to the load balancer. Use HTTP path-based routing.
B. Use a Network Load Balancer with a certificate attached from AWS Certificate Manager (ACM) Use query parameter-based routing
C. Use a Network Load Balancer. Import a generated certificate in AWS Identity and Access Management (IAM). Attach the certificate to the load balancer. Use query parameter-based routing.
D. Use an Application Load Balancer with a certificate attached from AWS Certificate Manager (ACM).
Use query parameter-based routing.

正解：D

解説：
Understanding the Requirement: The robotics company needs a public load balancer to ensure seamless communication with backend services, route traffic based on query strings, and encrypt traffic.
Analysis of Options:
Network Load Balancer with ACM Certificate: NLBs primarily operate at the transport layer (Layer 4) and do not natively support query parameter-based routing, which is a Layer 7 feature.
Gateway Load Balancer with IAM Certificate: Gateway Load Balancers are designed for deploying, scaling, and managing third-party virtual appliances and do not support HTTP path-based or query parameter-based routing.
Application Load Balancer with ACM Certificate: ALBs operate at the application layer (Layer 7), supporting features like query parameter-based routing and SSL/TLS termination with ACM certificates.
Network Load Balancer with IAM Certificate: As with the first option, NLBs do not support query parameter- based routing, making it unsuitable for this requirement.
Best Solution:
Application Load Balancer with ACM Certificate: This option provides the necessary Layer 7 routing capabilities and SSL/TLS termination to meet the requirements for query parameter-based routing and encrypted communication.
References:
Application Load Balancer
AWS Certificate Manager

質問 # 396
A company runs a three-tier web application in a VPC across multiple Availability Zones. Amazon EC2 instances run in an Auto Scaling group for the application tier.
The company needs to make an automated scaling plan that will analyze each resource's daily and weekly historical workload trends. The configuration must scale resources appropriately according to both the forecast and live changes in utilization.
Which scaling strategy should a solutions architect recommend to meet these requirements?

A. Enable predictive scaling to forecast and scale. Configure dynamic scaling with target tracking.
B. Set up a simple scaling policy. Increase the cooldown period based on the EC2 instance startup time
C. Create an automated scheduled scaling action based on the traffic patterns of the web application.
D. Implement dynamic scaling with step scaling based on average CPU utilization from the EC2 instances.

正解：A

解説：
This solution meets the requirements because it allows the company to use both predictive scaling and dynamic scaling to optimize the capacity of its Auto Scaling group. Predictive scaling uses machine learning to analyze historical data and forecast future traffic patterns. It then adjusts the desired capacity of the group in advance of the predicted changes. Dynamic scaling uses target tracking to maintain a specified metric (such as CPU utilization) at a target value. It scales the group in or out as needed to keep the metric close to the target.
By using both scaling methods, the company can benefit from faster, simpler, and more accurate scaling that responds to both forecasted and live changes in utilization.
References:
Predictive scaling for Amazon EC2 Auto Scaling
[Target tracking scaling policies for Amazon EC2 Auto Scaling]

質問 # 397
For AWS CloudFormation, which stack state refuses UpdateStack calls?

A. UPDATE_ROLLBACK_FAILED
B. UPDATE_ROLLBACK_COMPLETE
C. UPDATE_COMPLETE
D. CREATE_COMPLETE

正解：A

解説：
Explanation/Reference:
Explanation:
When a stack is in the UPDATE_ROLLBACK_FAILED state, you can continue rolling it back to return it to a working state (to UPDATE_ROLLBACK_COMPLETE). You cannot update a stack that is in the UPDATE_ROLLBACK_FAILED state. However, if you can continue to roll it back, you can return the stack to its original settings and try to update it again.
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks- continueupdaterollback.html

質問 # 398
An organization is setting up a web application with the JEE stack. The application uses the JBoss app server and MySQL DB. The application has a logging module which logs all the activities whenever a business function of the JEE application is called. The logging activity takes some time due to the large size of the log file.
If the application wants to setup a scalable infrastructure which of the below mentioned options will help achieve this setup?

A. Host the log files on EBS with PIOPS which will have higher I/O.
B. Host logging and the app server on separate servers such that they are both in the same zone.
C. Create a separate module for logging and using SQS compartmentalize the module such that all calls to logging are asynchronous.
D. Host logging and the app server on the same instance so that the network latency will be shorter.

正解：C

解説：
The organization can always launch multiple EC2 instances in the same region across multiple AZs for HA and DR. The AWS architecture practice recommends compartmentalizing the functionality such that they can both run in parallel without affecting the performance of the main application. In this scenario logging takes a longer time due to the large size of the log file. Thus, it is recommended that the organization should separate them out and make separate modules and make asynchronous calls among them. This way the application can scale as per the requirement and the performance will not bear the impact of logging.
http://www.awsarchitectureblog.com/2014/03/aws-and-compartmentalization.html

質問 # 399
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