Quiz
by Amazon API Gateway and is integrated with different AWS Lambda functions for each API
operation. The company uses Amazon Route 53 for DNS and has created a resource record of
weather.example.com. The company stores data for the API in Amazon DynamoDB tables. The
company needs a solution that will give the API the ability to fail over to a different AWS Region.
Which solution will meet these requirements?
edge-optimized API endpoint with Lambda functions from both Regions as targets. Convert the
DynamoDB tables to global tables.
record to a multivalue answer. Add both API Gateway APIs to the answer. Enable target health
monitoring. Convert the DynamoDB tables to global tables.
record to a failover record. Enable target health monitoring. Convert the DynamoDB tables to global
tables.
Change the Route 53 DNS record to a multivalue answer. Add both API Gateway APIs to the answer.
Enable target health monitoring. Convert the DynamoDB tables to global tables.
Quiz
application layer consists of a single server running a stateful application. The application connects to
a PostgreSQL database running on a separate server. The application’s user base is expected to grow
significantly, so the company is migrating the application and database to AWS. The solution will use
Amazon Aurora PostgreSQL, Amazon EC2 Auto Scaling, and Elastic Load Balancing.
Which solution will provide a consistent user experience that will allow the application and database
tiers to scale?
outstanding requests routing algorithm and sticky sessions enabled.
robin routing algorithm and sticky sessions enabled.
robin routing and sticky sessions enabled.
requests routing algorithm and sticky sessions enabled.
Quiz
Consumer devices such as TVs and internet radios access the applications. Many older devices do not
support certain HTTP headers and exhibit errors when these headers are present in responses. The
company has configured an on-premises load balancer to remove the unsupported headers from
responses sent to older devices, which the company identified by the User-Agent headers.
The company wants to migrate the service to AWS, adopt serverless technologies, and retain the
ability to support the older devices. The company has already migrated the applications into a set of
AWS Lambda functions.
Which solution will meet these requirements?
Balancer (ALB). Configure the CloudFront distribution to forward requests to the ALB. Configure the
ALB to invoke the correct Lambda function for each type of request. Create a CloudFront function to
remove the problematic headers based on the value of the User-Agent header.
invoke the correct Lambda function for each type of request. Modify the default gateway responses
to remove the problematic headers based on the value of the User-Agent header.
invoke the correct Lambda function for each type of request. Create a response mapping template to
remove the problematic headers based on the value of the User-Agent. Associate the response data
mapping with the HTTP API.
Balancer (ALB). Configure the CloudFront distribution to forward requests to the ALB. Configure the
ALB to invoke the correct Lambda function for each type of request. Create a Lambda@Edge function
that will remove the problematic headers in response to viewer requests based on the value of the
User-Agent header.
Quiz
refactor the application as microservices that run on containers. Separate versions of the application
exist in two distinct environments: production and testing. Load for the application is variable, but
the minimum load and the maximum load are known. A solutions architect needs to design the
updated application with a serverless architecture that minimizes operational complexity.
Which solution will meet these requirements MOST cost-effectively?
associated Lambda functions to handle the expected peak load. Configure two separate Lambda
integrations within Amazon API Gateway: one for production and one for testing.
auto scaled Amazon Elastic Container Service (Amazon ECS) clusters with the Fargate launch type to
handle the expected load. Deploy tasks from the ECR images. Configure two separate Application
Load Balancers to direct traffic to the ECS clusters.
auto scaled Amazon Elastic Kubernetes Service (Amazon EKS) clusters with the Fargate launch type to
handle the expected load. Deploy tasks from the ECR images. Configure two separate Application
Load Balancers to direct traffic to the EKS clusters.
environments and deployments for production and testing. Configure two separate Application Load
Balancers to direct traffic to the Elastic Beanstalk deployments.
Quiz
Application Load Balancer (ALB). The instances are in an Auto Scaling group. The ALB and the Auto
Scaling group are replicated in a backup AWS Region. The minimum value and the maximum value
for the Auto Scaling group are set to zero. An Amazon RDS Multi-AZ DB instance stores the
application’s dat
a. The DB instance has a read replica in the backup Region. The application presents an endpoint to
end users by using an Amazon Route 53 record.
The company needs to reduce its RTO to less than 15 minutes by giving the application the ability to
automatically fail over to the backup Region. The company does not have a large enough budget for
an active-active strategy.
What should a solutions architect recommend to meet these requirements?
balances traffic between the two ALBs. Create an AWS Lambda function in the backup Region to
promote the read replica and modify the Auto Scaling group values. Create an Amazon CloudWatch
alarm that is based on the HTTPCode_Target_5XX_Count metric for the ALB in the primary Region.
Configure the CloudWatch alarm to invoke the Lambda function.
Auto Scaling group values. Configure Route 53 with a health check that monitors the web application
and sends an Amazon Simple Notification Service (Amazon SNS) notification to the Lambda function
when the health check status is unhealthy. Update the application’s Route 53 record with a failover
policy that routes traffic to the ALB in the backup Region when a health check failure occurs.
group in the primary Region. Reconfigure the application’s Route 53 record with a latency-based
routing policy that load balances traffic between the two ALBs. Remove the read replica. Replace the
read replica with a standalone RDS DB instance. Configure Cross-Region Replication between the RDS
DB instances by using snapshots and Amazon S3.
Create an AWS Lambda function in the backup Region to promote the read replica and modify the
Auto Scaling group values. Create an Amazon CloudWatch alarm that is based on the
HTTPCode_Target_5XX_Count metric for the ALB in the primary Region. Configure the CloudWatch
alarm to invoke the Lambda function.
Quiz
EC2 instances behind an Application Load Balancer (ALB). The company uses an Amazon RDS DB
instance as the database backend. Amazon CloudFront is configured with one origin that points to
the ALB. Static content is cached. Amazon Route 53 is used to host all public zones.
After an update of the application, the ALB occasionally returns a 502 status code (Bad Gateway)
error. The root cause is malformed HTTP headers that are returned to the ALB. The webpage returns
successfully when a solutions architect reloads the webpage immediately after the error occurs.
While the company is working on the problem, the solutions architect needs to provide a custom
error page instead of the standard ALB error page to visitors.
Which combination of steps will meet this requirement with the LEAST amount of operational
overhead? (Choose two.)
error pages to Amazon S3.
response Target.FailedHealthChecks is greater than 0. Configure the Lambda function to modify the
forwarding rule at the ALB to point to a publicly accessible web server.
if the health check fails. Modify DNS records to point to a publicly accessible webpage.
response Elb.InternalError is greater than 0. Configure the Lambda function to modify the forwarding
rule at the ALB to point to a public accessible web server.
to point to a publicly accessible web page.
Quiz
application is consumed through several API calls. The third-party SaaS application also runs on AWS
inside a VPC.
The company will consume the third-party SaaS application from inside a VPC. The company has
internal security policies that mandate the use of private connectivity that does not traverse the
internet. No resources that run in the company VPC are allowed to be accessed from outside the
company’s VPC. All permissions must conform to the principles of least privilege.
Which solution meets these requirements?
that the third-party SaaS application provides. Create a security group to limit the access to the
endpoint. Associate the security group with the endpoint.
company VPC. Configure network ACLs to limit access across the VPN tunnels.
VPUpdate route tables by adding the needed routes for the peering connection.
interface VPC endpoint for this endpoint service. Grant permissions for the endpoint service to the
specific account of the third-party SaaS provider.
Quiz
redundant configuration across 12 servers in the company's data center.
The system runs scheduled jobs, both hourly and daily, in addition to one-time requests from users.
Scheduled jobs can take between 20 minutes and 2 hours to finish running and have tight SLAs. The
scheduled jobs account for 65% of the system usage. User jobs typically finish running in less than 5
minutes and have no SL
continue to meet SLAs. However, user jobs can be delayed.
A solutions architect needs to move the system to Amazon EC2 instances and adopt a consumption-
based model to reduce costs with no long-term commitments. The solution must maintain high
availability and must not affect the SLAs.
Which solution will meet these requirements MOST cost-effectively?
A. Split the 12 instances across two Availability Zones in the chosen AWS Region. Run two instances
in each Availability Zone as On-Demand Instances with Capacity Reservations. Run four instances in
each Availability Zone as Spot Instances.
Availability Zones, run all four instances as On-Demand Instances with Capacity Reservations. Run the
remaining instances as Spot Instances.
in each Availability Zone as On-Demand Instances with a Savings Plan. Run two instances in each
Availability Zone as Spot Instances.
instances in each Availability Zone as On-Demand Instances with Capacity Reservations. Run one
instance in each Availability Zone as a Spot Instance.
Quiz
for MySQL database from an encrypted file in Amazon S3. For the next version of the application, the
security engineer wants to implement the following application design changes to improve security:
The database must use strong, randomly generated passwords stored in a secure AWS managed
service.
The application resources must be deployed through AWS CloudFormation.
The application must rotate credentials for the database every 90 days.
A solutions architect will generate a CloudFormation template to deploy the application.
Which resources specified in the CloudFormation template will meet the security engineer's
requirements with the LEAST amount of operational overhead?
Lambda function resource to rotate the database password. Specify a Secrets Manager
RotationSchedule resource to rotate the database password every 90 days.
Parameter Store. Create an AWS Lambda function resource to rotate the database password. Specify
a Parameter Store RotationSchedule resource to rotate the database password every 90 days.
Lambda function resource to rotate the database password. Create an Amazon EventBridge
scheduled rule resource to trigger the Lambda function password rotation every 90 days.
Parameter Store. Specify an AWS AppSync DataSource resource to automatically rotate the database
password every 90 days.
Quiz
serverless architecture to make the data accessible publicly through a simple API over HTTPS. The
solution must scale automatically in response to demand.
Which solutions meet these requirements? (Choose two.)
by using API Gateway’s AWS integration type.
DB by using API Gateway’s AWS integration type.
functions that return data from the DynamoDB tables.
Lambda@Edge function integrations that return data from the DynamoDB tables.
AWS Lambda functions
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