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| Section | Weight | Objectives |
|---|---|---|
| Design Cost-Optimized Architectures | 20% | - Design cost-optimized database solutions
|
| Design Secure Architectures | 30% | - Design secure workloads and applications
|
| Design High-Performing Architectures | 24% | - Design high-performing and elastic compute solutions
|
| Design Resilient Architectures | 26% | - Design scalable and loosely coupled architectures
|
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NEW QUESTION # 260
A company hosts an application on AWS Lambda functions mat are invoked by an Amazon API Gateway API. The Lambda functions save customer data to an Amazon Aurora MySQL database. Whenever the company upgrades the database, the Lambda functions fail to establish database connections until the upgrade is complete. The result is that customer data Is not recorded for some of the event. A solutions architect needs to design a solution that stores customer data that is created during database upgrades. Which solution will meet these requirements?
Answer: B
Explanation:
SQS maintains the data if the lambda function fails, RDS Proxy just reuses db connections for performance.
NEW QUESTION # 261
A company needs to store confidential files on AWS. The company accesses the files every week. The company must encrypt the files by using envelope encryption, and the encryption keys must be rotated automatically. The company must have an audit trail to monitor encryption key usage.
Which combination of solutions will meet these requirements? (Select TWO.)
Answer: B,E
Explanation:
Amazon S3 is suitable for storing data that needs to be accessed weekly and integrates with AWS Key Management Service (KMS) to provide encryption at rest with server-side encryption using KMS-managed keys (SSE-KMS).
SSE-KMS uses envelope encryption and allows automatic key rotation and logging through AWS CloudTrail, satisfying the requirements for audit trails and compliance.
S3 Glacier Deep Archive is unsuitable due to its high retrieval latency. SSE-C requires customer-side management of encryption keys, with no support for automatic rotation or audit. SSE-S3 does not use customer-managed keys and lacks fine-grained control and auditing.
NEW QUESTION # 262
A company hosts multiple applications on AWS for different product lines. The applications use different compute resources, including Amazon EC2 instances and Application Load Balancers. The applications run in different AWS accounts under the same organization in AWS Organizations across multiple AWS Regions.
Teams for each product line have tagged each compute resource in the individual accounts.
The company wants more details about the cost for each product line from the consolidated billing feature in Organizations.
Which combination of steps will meet these requirements? (Select TWO.)
Answer: C,D
Explanation:
To break down consolidated billing costs by "product line" using tags, the company must use cost allocation tags and ensure those tags are activated for billing at the payer/management level. Because the teams have already applied user-defined tags to the compute resources across accounts, the correct approach is to (1) use those user-defined tags in the billing tools and (2) activate them so they appear in cost and usage reporting for consolidated billing.
B is required because cost reporting by product line depends on selecting the user-defined cost allocation tag key (for example, ProductLine=...) in AWS billing and cost management tooling (such as Cost Explorer reports). AWS-generated tags are not what teams typically use for chargeback by business dimension, and the scenario explicitly says teams tagged resources (i.e., user-defined).
E is required because in an AWS Organizations consolidated billing setup, cost allocation tag activation is handled centrally from the Organizations management account so that the tags can be used consistently in consolidated cost views and reporting. Activating tags centrally ensures the billing system recognizes and includes those tag dimensions in cost allocation data.
Option C is not relevant to billing breakdown; Resource Groups is for organizing and operating on resources, not for consolidated billing allocation. Option D is unnecessary in this scenario's intended best practice because activation for consolidated billing reporting is done from the management account to standardize reporting. In short, you tag resources (already done), then activate the tag for billing and use it in billing reports to see cost by product line across accounts and Regions.
Therefore, B and E together meet the requirement with the correct billing-focused steps.
NEW QUESTION # 263
A company is making a prototype of the infrastructure for its new website by manually provisioning the necessary infrastructure. This infrastructure includes an Auto Scaling group, an Application Load Balancer, and an Amazon RDS database. After the configuration has been thoroughly validated, the company wants the capability to immediately deploy the infrastructure for development and production use in two Availability Zones in an automated fashion.
What should a solutions architect recommend to meet these requirements?
Answer: D
Explanation:
AWS CloudFormation is a service that helps you model and set up your AWS resources by using templates that describe all the resources that you want, such as Auto Scaling groups, load balancers, and databases. You can use AWS CloudFormation to deploy your infrastructure in an automated and consistent way across multiple environments and regions. You can also use AWS CloudFormation to update or delete your infrastructure as a single unit.
Reference URLs:
1 https://aws.amazon.com/cloudformation/
2 https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html
3 https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/cfn-whatis-concepts.html
NEW QUESTION # 264
A company is developing a latency-sensitive application. Part of the application includes several AWS Lambda functions that need to initialize as quickly as possible. The Lambda functions are written in Java and contain initialization code outside the handlers to load libraries, initialize classes, and generate unique IDs.
Which solution will meet the startup performance requirement MOST cost-effectively?
Answer: D
Explanation:
Same scenario as above-cost-effective cold start reduction for Java Lambdas is best achieved by using Lambda SnapStart with the correct code structure. Unique IDs and similar non-deterministic logic should be in the handler or in a pre-snapshot hook. SnapStart is supported only for published versions. This combination offers cold start performance at a lower cost than provisioned concurrency.
AWS Documentation Extract:
"When using Lambda SnapStart for Java, ensure non-deterministic initialization code, such as unique ID generators, is executed inside the handler or in a pre-snapshot hook. SnapStart is supported only on published versions." (Source: AWS Lambda documentation, SnapStart for Java)
NEW QUESTION # 265
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