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今日、PassTest市場での競争は過去のどの時代よりも激しくなっています。 良い仕事を見つけたいなら、あなたは良い能力と熟練した主要な知識を所有していなければなりません。 そのため、SAA-C03最高の学習教材を提供するため、Amazon認定を取得する必要があります。 当社のAmazon試験トレントは高品質で効率的であり、SAA-C03テストに合格するのにAWS Certified Solutions Architect - Associate役立ちます。
| Section | Weight | Objectives |
|---|---|---|
| Design Cost-Optimized Architectures | 20% | - Design cost-optimized database solutions
|
| Design High-Performing Architectures | 24% | - Determine high-performing data ingestion and transformation solutions
|
| Design Secure Architectures | 30% | - Determine appropriate data security controls
|
| Design Resilient Architectures | 26% | - Design scalable and loosely coupled architectures
|
科学技術の発展は、私たちの生活をより快適で便利なものにし、より多くの課題をもたらしています。多くの企業は、候補者に実務経験だけでなく、いくつかの専門的な資格も要求しています。したがって、より良い未来への道を開くには、専門のAmazon認定を取得する必要があります。当社が作成したSAA-C03の質問と回答は、お客様がSAA-C03試験に合格し、数日以内にSAA-C03認定を取得するのに役立ちます。 SAA-C03試験問題が最適です。
質問 # 951
[Design Operationally Excellent Architectures]
A company uses an organization in AWS Organizations to manage AWS accounts that contain applications. The company sets up a dedicated monitoring member account in the organization. The company wants to query and visualize observability data across the accounts by using Amazon CloudWatch.
Which solution will meet these requirements?
正解：B
解説：
CloudWatch cross-account observability is a feature that allows you to monitor and troubleshoot applications that span multiple accounts within a Region. You canseamlessly search, visualize, and analyze your metrics, logs, traces, and Application Insights applications in any of the linked accounts without account boundaries1. To enable CloudWatch cross-account observability, you need to set up one or more AWS accounts as monitoring accounts and link them with multiple source accounts. A monitoring account is a central AWS account that can view and interact with observability data shared by other accounts. A source account is an individual AWS account that shares observability data and resources with one or more monitoring accounts1. To create links between monitoring accounts and source accounts, you can use the CloudWatch console, the AWS CLI, or the AWS API. You can also use AWS Organizations to link accounts in an organization or organizational unit to the monitoring account1. CloudWatch provides a CloudFormation template that you can deploy in each source account to share observability data with the monitoring account. The template creates a sink resource in the monitoring account and an observability link resource in the source account. The template also creates the necessary IAM roles and policies to allow cross-account access to the observability data2. Therefore, the solution that meets the requirements of the question is to enable CloudWatch cross-account observability for the monitoring account and deploy the CloudFormation template provided by the monitoring account in each AWS account to share the data with the monitoring account.
The other options are not valid because:
Service control policies (SCPs) are a type of organization policy that you can use to manage permissions in your organization. SCPs offer central control over the maximum available permissions for all accounts in your organization, allowing youto ensure your accounts stay within your organization's access control guidelines3. SCPs do not provide access to CloudWatch in the monitoring account, but rather restrict the actions that users and roles can perform in the source accounts. SCPs are not required toenable CloudWatch cross-account observability, as the CloudFormation template creates the necessary IAM roles and policies for cross-account access2.
IAM users are entities that you create in AWS to represent the people or applications that use them to interact with AWS. IAM users can have permissions to access the resources in your AWS account4. Configuring a new IAM user in the monitoring account and an IAM policy in each AWS account to have access to query and visualize the CloudWatch data in the account is not a valid solution, as it does not enable CloudWatch cross-account observability. This solution would require the IAM user to switch between different accounts to view the observability data, which is not seamless and efficient. Moreover, this solution would not allow the IAM user to search, visualize, and analyze metrics, logs, traces, and Application Insights applications across multiple accounts in a single place1.
Cross-account IAM policies are policies that allow you to delegate access to resources that are in different AWS accounts that you own. You attach a cross-account policy to a user or group in one account, and then specify which accounts theuser or group can access5. Creating a new IAM user in the monitoring account and cross-account IAM policies in each AWS account is not avalid solution, as it does not enable CloudWatch cross-account observability. This solution would also require the IAM user to switch between different accounts to view the observability data, which is not seamless and efficient. Moreover, this solution would not allow the IAM user to search, visualize, and analyze metrics, logs, traces, and Application Insights applications across multiple accounts in a single place1.
質問 # 952
[Design Resilient Architectures]
A company runs a three-tier web application in the AWS Cloud that operates across three Availability Zones. The application architecture has an Application Load Balancer, an Amazon EC2 web server that hosts user session states, and a MySQL database that runs on an EC2 instance. The company expects sudden increases in application traffic. The company wants to be able to scale to meet future application capacity demands and to ensure high availability across all three Availability Zones.
Which solution will meet these requirements?
正解：A
解説：
This answer is correct because it meets the requirements of scaling to meet future application capacity demands and ensuring high availability across all three Availability Zones. By migrating the MySQL database to Amazon RDS for MySQL with a Multi-AZ DB cluster deployment, the company can benefit from automatic failover, backup, and patching of the database across multiple Availability Zones. By using Amazon ElastiCache for Redis with high availability, the company can store session data and cache reads in a fast, in-memory data store that can also fail over across Availability Zones. By migrating the web server to an Auto Scaling group that is in three Availability Zones, the company can automatically scale the web server capacity based on the demand and traffic patterns.
Reference:
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.html
https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/AutoFailover.html
https://docs.aws.amazon.com/autoscaling/ec2/userguide/what-is-amazon-ec2-auto-scaling.html
質問 # 953
A gaming company has a web application that displays scores. The application runs on Amazon EC2 instances behind an Application Load Balancer. The application stores data in an Amazon RDS for MySQL database.
Users are starting to experience long delays and interruptions that are caused by database read performance.
The company wants to improve the user experience while minimizing changes to the application's architecture.
What should a solutions architect do to meet these requirements?
正解：C
解説：
Explanation
ElastiCache can help speed up the read performance of the database by caching frequently accessed data, reducing latency and allowing the application to access the data more quickly. This solution requires minimal modifications to the current architecture, as ElastiCache can be used in conjunction with the existing Amazon RDS for MySQL database.
質問 # 954
A company uses Amazon EC2 instances spread across two Availability Zones to provide large and small maps to customers. The large maps do not change. The company updates the small maps by adding small metadata files each day. Customers download the large maps once but download the smaller maps frequently.
Several Amazon EBS volumes containing replicated data are spread between the Availability Zones.
Which solutions will store the map data MOST cost-effectively? (Select TWO.)
正解：C、E
解説：
Amazon EFS provides a regional, shared file system that EC2 instances in multiple Availability Zones can access concurrently. An EFS lifecycle policy can move files that have not been accessed recently to the lower- cost EFS Infrequent Access storage class, eliminating duplicated EBS copies while retaining file-system semantics. Amazon S3 is another cost-effective solution for immutable map objects. The application can retrieve the objects directly, and an S3 Lifecycle rule can transition older, infrequently accessed maps to S3 Standard-IA. EBS volumes are Availability Zone resources and are not a general-purpose shared cross-AZ file system. FSx for Lustre is designed primarily for high-performance computing workloads, while FSx for OpenZFS would provide features and performance beyond the stated static-content requirement. Therefore, EFS and S3 are the two appropriate managed storage options.
質問 # 955
A company is deploying an application that processes streaming data in near-real time The company plans to use Amazon EC2 instances for the workload The network architecture must be configurable to provide the lowest possible latency between nodes Which combination of network solutions will meet these requirements? (Select TWO)
正解：A、B
解説：
These options are the most suitable ways to configure the network architecture to provide the lowest possible latency between nodes. Option A enables and configures enhanced networking on each EC2 instance, which is a feature that improves the network performance of the instance by providing higher bandwidth, lower latency, and lower jitter. Enhanced networking uses single root I/O virtualization (SR-IOV) or Elastic Fabric Adapter (EFA) to provide direct access to the network hardware. You can enable and configure enhanced networking by choosing a supported instance type and a compatible operating system, and installing the required drivers. Option C runs the EC2 instances in a cluster placement group, which is a logical grouping of instances within a single Availability Zone that are placed close together on the same underlying hardware. Cluster placement groups provide the lowest network latency and the highest network throughput among the placement group options. You can run the EC2 instances in a cluster placement group by creating a placement group and launching the instances into it.
Option B is not suitable because grouping the EC2 instances in separate accounts does not provide the lowest possible latency between nodes. Separate accounts are used to isolate and organize resources for different purposes, such as security, billing, or compliance. However, they do not affect the network performance or proximity of the instances. Moreover, grouping the EC2 instances in separate accounts would incur additional costs and complexity, and it would require setting up cross-account networking and permissions.
Option D is not suitable because attaching multiple elastic network interfaces to each EC2 instance does not provide the lowest possible latency between nodes. Elastic network interfaces are virtual network interfaces that can be attached to EC2 instances to provide additional network capabilities, such as multiple IP addresses, multiple subnets, or enhanced security. However, they do not affect the network performance or proximity of the instances. Moreover, attaching multiple elastic network interfaces to each EC2 instance would consume additional resources and limit the instance type choices.
Option E is not suitable because using Amazon EBS optimized instance types does not provide the lowest possible latency between nodes. Amazon EBS optimized instance types are instances that provide dedicated bandwidth for Amazon EBS volumes, which are block storage volumes that can be attached to EC2 instances. EBS optimized instance types improve the performance and consistency of the EBS volumes, but they do not affect the network performance or proximity of the instances. Moreover, using EBS optimized instance types would incur additional costs and may not be necessary for the streaming data workload. Reference:
Enhanced networking on Linux
Placement groups
Elastic network interfaces
Amazon EBS-optimized instances
質問 # 956
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