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Valid SAP-C02 Exam Notes & SAP-C02 Real Question

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Valid SAP-C02 Exam Notes & SAP-C02 Real Question

Posted at 14 hour before      View：7 | Replies：0        Print      Only Author   [Copy Link] 1#
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Amazon AWS Certified Solutions Architect - Professional (SAP-C02) Sample Questions (Q477-Q482):NEW QUESTION # 477
A company has a solution that analyzes weather data from thousands of weather stations. The weather stations send the data over an Amazon API Gateway REST API that has an AWS Lambda function integration. The Lambda function calls a third-party service for data pre-processing. The third-party service gets overloaded and fails the pre-processing, causing a loss of data.
A solutions architect must improve the resiliency of the solution. The solutions architect must ensure that no data is lost and that data can be processed later if failures occur.
What should the solutions architect do to meet these requirements?
  • A. Create two Amazon EventBridge event buses: a primary event bus and a secondary event bus. Update the API to use a new integration to the primary event bus. Configure an EventBridge rule to react to all events on the primary event bus. Specify the Lambda function as the target of the rule. Configure the secondary event bus as the failure destination for the Lambda function.
  • B. Create an Amazon Simple Queue Service (Amazon SQS) queue. Configure the queue as the dead-letter queue for the API.
  • C. Create a custom Amazon EventBridge event bus. Configure the event bus as the failure destination for the Lambda function.
  • D. Create two Amazon Simple Queue Service (Amazon SQS) queues: a primary queue and a secondary queue. Configure the secondary queue as the dead-letter queue for the primary queue. Update the API to use a new integration to the primary queue. Configure the Lambda function as the invocation target for the primary queue.
Answer: A
Explanation:
Explanation: This option allows the solution to decouple the API from the Lambda function and use EventBridge as an event-driven service that can handle failures gracefully1. By using two event buses, one for normal events and one for failed events, the solution can ensure that no data is lost and that data can be processed later if failures occur2. The primary event bus receives the data from the weather stations through the API integration and triggers the Lambda function through a rule. The Lambda function can then call the third-party service for data pre-processing. If the third-party service fails, the Lambda function can send an error response to EventBridge, which will route it to the secondary event bus as a failure destination3. The secondary event bus can then store the failed events in another service, such as Amazon S3 or Amazon SQS, for troubleshooting or reprocessing.
:
Using Amazon EventBridge with AWS Lambda
Using multiple event buses
Using failure destinations
[Using dead-letter queues]

NEW QUESTION # 478
A company with several AWS accounts is using AWS Organizations and service control policies (SCPs). An Administrator created the following SCP and has attached it to an organizational unit (OU) that contains AWS account 1111-1111-1111:
Developers working in account 1111-1111-1111 complain that they cannot create Amazon S3 buckets. How should the Administrator address this problem?
  • A. Add s3:CreateBucket with the  Allow effect to the SCP.
  • B. Instruct the Developers to add Amazon S3 permissions to their IAM entities.
  • C. Remove the account from the OU, and attach the SCP directly to account 1111-1111-1111.
  • D. Remove the SCP from account 1111-1111-1111.
Answer: B
Explanation:
However A's explanation is incorrect -https://docs.aws.amazon.com/organizations/latest/userguide
/orgs_manage_policies_scps.html
"SCPs are similar to AWS Identity and Access Management (IAM) permission policies and use almost the same syntax. However, an SCP never grants permissions." SCPs alone are not sufficient to granting permissions to the accounts in your organization. No permissions are granted by an SCP. An SCP defines a guardrail, or sets limits, on the actions that the account's administrator can delegate to the IAM users and roles in the affected accounts. The administrator must still attach identity- based or resource-based policies to IAM users or roles, or to the resources in your accounts to actually grant permissions. The effective permissions are the logical intersection between what is allowed by the SCP and what is allowed by the IAM and resource-based policies.

NEW QUESTION # 479
An ecommerce company runs its infrastructure on AWS. The company exposes its APIs to its web and mobile clients through an Application Load Balancer (ALB) in front of an Amazon Elastic Kubernetes Service (Amazon EKS) cluster. The EKS cluster runs thousands of pods that provide the APIs.
After extending delivery to a new continent, the company adds an Amazon CloudFront distribution and sets the ALB as the origin. The company also adds AWS WAF to its architecture.
After implementation of the new architecture, API calls are significantly. However, there is a sudden increase in HTTP status code 504 (Gateway Timeout) errors and HTTP status code 502 (Bad Gateway) errors. This increase in errors seems to be for a specific domain. Which factors could be a cause of these errors? (Select TWO.)
  • A. AWS WAF is blocking suspicious requests.
  • B. EKS Kubernetes pods are being cycled.
  • C. There is an SSL/TLS handshake issue between CloudFront and the origin.
  • D. Some pods are taking more than 30 seconds to answer API calls.
  • E. The origin is not properly configured in CloudFront.
Answer: A,D
Explanation:
Explanation
A is a possible cause, because AWS WAF is designed to block suspicious requests, and if it is configured incorrectly or is too aggressive in blocking requests, it can cause these errors.
E is also a likely cause, as some pods may be taking more than 30 seconds to answer API calls, causing them to time out. This can lead to the 504 and 502 errors if the timeout period is exceeded.

NEW QUESTION # 480
A company that uses AWS Organizations allows developers to experiment on AWS. As part of the landing zone that the company has deployed, developers use their company email address to request an account. The company wants to ensure that developers are not launching costly services or running services unnecessarily.
The company must give developers a fixed monthly budget to limit their AWS costs.
Which combination of steps will meet these requirements? (Choose three.)
  • A. Create an IAM policy to deny access to costly services and components. Apply the IAM policy to the developer accounts.
  • B. Create an AWS Budgets alert action to send an Amazon Simple Notification Service (Amazon SNS) notification when the budgeted amount is reached. Invoke an AWS Lambda function to terminate all services.
  • C. Create an SCP to deny access to costly services and components. Apply the SCP to the developer accounts.
  • D. Create an SCP to set a fixed monthly account usage limit. Apply the SCP to the developer accounts.
  • E. Use AWS Budgets to create a fixed monthly budget for each developer's account as part of the account creation process.
  • F. Create an AWS Budgets alert action to terminate services when the budgeted amount is reached.
    Configure the action to terminate all services.
Answer: B,C,E
Explanation:
Explanation
* Option A is incorrect because creating an SCP to set a fixed monthly account usage limit is not possible.
SCPs are policies that specify the services and actions that users and roles can use in the member accounts of an AWS Organization. SCPs cannot enforce budget limits or prevent users from launching
* costly services or running services unnecessarily1
* Option B is correct because using AWS Budgets to create a fixed monthly budget for each developer's account as part of the account creation process meets the requirement of giving developers a fixed monthly budget to limit their AWS costs. AWS Budgets allows you to plan your service usage, service costs, and instance reservations. You can create budgets that alert you when your costs or usage exceed (or are forecasted to exceed) your budgeted amount2
* Option C is correct because creating an SCP to deny access to costly services and components meets the requirement of ensuring that developers are not launching costly services or running services unnecessarily. SCPs can restrict access to certain AWS services or actions based on conditions such as region, resource tags, or request time. For example, an SCP can deny access to Amazon Redshift clusters or Amazon EC2 instances with certain instance types1
* Option D is incorrect because creating an IAM policy to deny access to costly services and components is not sufficient to meet the requirement of ensuring that developers are not launching costly services or running services unnecessarily. IAM policies can only control access to resources within a single AWS account. If developers have multiple accounts or can create new accounts, they can bypass the IAM policy restrictions. SCPs can apply across multiple accounts within an AWS Organization and prevent users from creating new accounts that do not comply with the SCP rules3
* Option E is incorrect because creating an AWS Budgets alert action to terminate services when the budgeted amount is reached is not possible. AWS Budgets alert actions can only perform one of the following actions: apply an IAM policy, apply an SCP, or send a notification through Amazon SNS.
AWS Budgets alert actions cannot terminate services directly.
* Option F is correct because creating an AWS Budgets alert action to send an Amazon SNS notification when the budgeted amount is reached and invoking an AWS Lambda function to terminate all services meets the requirement of giving developers a fixed monthly budget to limit their AWS costs. AWS Budgets alert actions can send notifications through Amazon SNS when a budget threshold is breached.
Amazon SNS can trigger an AWS Lambda function that can perform custom logic such as terminating all services in the developer's account. This way, developers cannot exceed their budget limit and incur additional costs.
References: 1: https://docs.aws.amazon.com/orga ... _policies_scps.html
2: https://docs.aws.amazon.com/awsa ... budgets-create.html
3: https://docs.aws.amazon.com/IAM/ ... e/introduction.html
4: https://docs.aws.amazon.com/cost ... udgets-actions.html
5: https://docs.aws.amazon.com/sns/latest/dg/sns-lambda.html
6: https://docs.aws.amazon.com/lambda/latest/dg/welcome.html

NEW QUESTION # 481
A solutions architect is designing the data storage and retrieval architecture for a new application that a company will be launching soon. The application is designed to ingest millions of small records per minute from devices all around the world. Each record is less than 4 KB in size and needs to be stored in a durable location where it can be retrieved with low latency. The data is ephemeral and the company is required to store the data for 120 days only, after which the data can be deleted.
The solutions architect calculates that, during the course of a year, the storage requirements would be about
10-15 TB.
Which storage strategy is the MOST cost-effective and meets the design requirements?
  • A. Design the application to store each incoming record in a single table in an Amazon RDS MySQL database. Run a nightly cron job that executes a query to delete any records older than 120 days.
  • B. Design the application to store each incoming record as a single .csv file in an Amazon S3 bucket to allow for indexed retrieval. Configure a lifecycle policy to delete data older than 120 days.
  • C. Design the application to batch incoming records before writing them to an Amazon S3 bucket. Update the metadata for the object to contain the list of records in the batch and use the Amazon S3 metadata search feature to retrieve the data. Configure a lifecycle policy to delete the data after 120 days.
  • D. Design the application to store each incoming record in an Amazon DynamoDB table properly configured for the scale. Configure the DynamoOB Time to Live (TTL) feature to delete records older than 120 days.
Answer: D
Explanation:
Explanation
DynamoDB with TTL, cheaper for sustained throughput of small items + suited for fast retrievals. S3 cheaper for storage only, much higher costs with writes. RDS not designed for this use case.

NEW QUESTION # 482
......
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