FREE PDF RELIABLE AMAZON - SAA-C03 - EXAM AMAZON AWS CERTIFIED SOLUTIONS ARCHITECT - ASSOCIATE (SAA-C03) EXAM DUMPS

Free PDF Reliable Amazon - SAA-C03 - Exam Amazon AWS Certified Solutions Architect - Associate (SAA-C03) Exam Dumps

Free PDF Reliable Amazon - SAA-C03 - Exam Amazon AWS Certified Solutions Architect - Associate (SAA-C03) Exam Dumps

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Amazon AWS Certified Solutions Architect - Associate (SAA-C03) Exam Sample Questions (Q437-Q442):

NEW QUESTION # 437
A company is migrating its on-premises workload to the AWS Cloud. The company already uses several Amazon EC2 instances and Amazon RDS DB instances. The company wants a solution that automatically starts and stops the EC2 instances and D6 instances outside of business hours. The solution must minimize cost and infrastructure maintenance.
Which solution will meet these requirement?

  • A. Scale the EC2 instances by using elastic resize Scale the DB instances to zero outside of business hours
  • B. Launch another EC2 instance. Configure a crontab schedule to run shell scripts that will start and stop the existing EC2 instances and DB instances on a schedule.
  • C. Explore AWS Marketplace for partner solutions that will automatically start and stop the EC2 Instances and OB instances on a schedule
  • D. Create an AWS Lambda function that will start and stop the EC2 instances and DB instances Configure Amazon EventBridge to invoke the Lambda function on a schedule

Answer: D


NEW QUESTION # 438
A company is running a batch job on an EC2 instance inside a private subnet. The instance gathers input data from an S3 bucket in the same region through a NAT Gateway. The company is looking for a solution that will reduce costs without imposing risks on redundancy or availability.
Which solution will accomplish this?

  • A. Remove the NAT Gateway and use a Gateway VPC endpoint to access the S3 bucket from the instance.
  • B. Replace the NAT Gateway with a NAT instance hosted on a burstable instance type.
  • C. Re-assign the NAT Gateway to a lower EC2 instance type.
  • D. Deploy a Transit Gateway to peer connection between the instance and the S3 bucket.

Answer: A

Explanation:
A gateway endpoint is a gateway that you specify in your route table to access Amazon S3 from your VPC over the AWS network. Interface endpoints extend the functionality of gateway endpoints by using private IP addresses to route requests to Amazon S3 from within your VPC, on-premises, or from a different AWS Region. Interface endpoints are compatible with gateway endpoints. If you have an existing gateway endpoint in the VPC, you can use both types of endpoints in the same VPC.


There is no additional charge for using gateway endpoints. However, standard charges for data transfer and resource usage still apply.
Hence, the correct answer is: Remove the NAT Gateway and use a Gateway VPC endpoint to access the S3 bucket from the instance.
The option that says: Replace the NAT Gateway with a NAT instance hosted on burstable instance type is incorrect. This solution may possibly reduce costs, but the availability and redundancy will be compromised.
The option that says: Deploy a Transit Gateway to peer connection between the instance and the S3 bucket is incorrect. Transit Gateway is a service that is specifically used for connecting multiple VPCs through a central hub.
The option that says: Re-assign the NAT Gateway to a lower EC2 instance type is incorrect. NAT Gateways are fully managed resources. You cannot access nor modify the underlying instance that hosts it.
References:
https://docs.aws.amazon.com/AmazonS3/latest/userguide/privatelink-interface-endpoints.html
https://docs.aws.amazon.com/vpc/latest/privatelink/vpce-gateway.html
Amazon VPC Overview:
https://youtu.be/oIDHKeNxvQQ
Check out this Amazon VPC Cheat Sheet:
https://tutorialsdojo.com/amazon-vpc/


NEW QUESTION # 439
A company has a web application for travel ticketing. The application is based on a database that runs in a single data center in North America. The company wants to expand the application to serve a global user base.
The company needs to deploy the application to multiple AWS Regions. Average latency must be less than 1 second on updates to the reservation database.
The company wants to have separate deployments of its web platform across multiple Regions. However the company must maintain a single primary reservation database that is globally consistent.
Which solution should a solutions architect recommend to meet these requirements?

  • A. Migrate the application to an Amazon Aurora Serverless database. Deploy instances of the database to each Region. Use the correct Regional endpoint in each Regional deployment to access the database.Use AWS Lambda functions to process event streams in each Region to synchronize the databases.
  • B. Migrate the database to an Amazon Aurora MySQL database. Deploy Aurora Read Replicas in each Region. Use the correct Regional endpoint in each Regional deployment for access to the database.
  • C. Convert the application to use Amazon DynamoDB. Use a global table for the center reservation table.
    Use the correct Regional endpoint in each Regional deployment.
  • D. Migrate the database to an Amazon RDS for MySQL database Deploy MySQL read replicas in each Region. Use the correct Regional endpoint in each Regional deployment for access to the database.

Answer: B

Explanation:
Explanation
https://aws.amazon.com/rds/aurora/global-database/
https://aws.amazon.com/blogs/architecture/using-amazon-aurora-global-database-for-low-latency-without-applic


NEW QUESTION # 440
A company is deploying a Microsoft SharePoint Server environment on AWS using CloudFormation.
The Solutions Architect needs to install and configure the architecture that is composed of Microsoft Active Directory (AD) domain controllers, Microsoft SQL Server 2012, multiple Amazon EC2 instances to host the Microsoft SharePoint Server and many other dependencies. The Architect needs to ensure that the required components are properly running before the stack creation proceeds.
Which of the following should the Architect do to meet this requirement?

  • A. Configure the DependsOn attribute in the CloudFormation template. Send a success signal after the applications are installed and configured using the cfn-init helper script.
  • B. Configure the UpdateReplacePolicy attribute in the CloudFormation template. Send a success signal after the applications are installed and configured using the cfn-signal helper script.
  • C. Configure a CreationPolicy attribute to the instance in the CloudFormation template. Send a success signal after the applications are installed and configured using the cfn-signal helper script.
  • D. Configure a UpdatePolicy attribute to the instance in the CloudFormation template. Send a success signal after the applications are installed and configured using the cfn-signal helper script.

Answer: C

Explanation:
You can associate the CreationPolicy attribute with a resource to prevent its status from reaching create complete until AWS CloudFormation receives a specified number of success signals or the timeout period is exceeded. To signal a resource, you can use the cfn-signal helper script or SignalResource API.
AWS CloudFormation publishes valid signals to the stack events so that you track the number of signals sent.
The creation policy is invoked only when AWS CloudFormation creates the associated resource.
Currently, the only AWS CloudFormation resources that support creation policies are AWS::AutoScaling::AutoScalingGroup, AWS::EC2::Instance, and AWS::CloudFormation::WaitCondition.

Use the CreationPolicy attribute when you want to wait on resource configuration actions before stack creation proceeds. For example, if you install and configure software applications on an EC2 instance, you might want those applications to be running before proceeding. In such cases, you can add a CreationPolicy attribute to the instance, and then send a success signal to the instance after the applications are installed and configured.
Hence, the option that says: Configure a CreationPolicy attribute to the instance in the CloudFormation template. Send a success signal after the applications are installed and configured using the cfn-signal helper script is correct.
The option that says: Configure the DependsOn attribute in the CloudFormation template. Send a success signal after the applications are installed and configured using the cfn-init helper script is incorrect because the cfn-init helper script is not suitable to be used to signal another resource. You have to use cfn-signal instead. And although you can use the DependsOn attribute to ensure the creation of a specific resource follows another, it is still better to use the CreationPolicy attribute instead as it ensures that the applications are properly running before the stack creation proceeds.
The option that says: Configure a UpdatePolicy attribute to the instance in the CloudFormation template.
Send a success signal after the applications are installed and configured using the cfn-signal helper script is incorrect because the UpdatePolicy attribute is primarily used for updating resources and for stack update rollback operations.
The option that says: Configure the UpdateReplacePolicy attribute in the CloudFormation template.
Send a success signal after the applications are installed and configured using the cfn-signal helper script is incorrect because the UpdateReplacePolicy attribute is primarily used to retain or in some cases, back up the existing physical instance of a resource when it is replaced during a stack update operation.
References:
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-attribute-creationpolicy.html
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/deploying.applications.html#deploy ment-walkthrough-cfn-signal
https://aws.amazon.com/blogs/devops/use-a-creationpolicy-to-wait-for-on-instance-configurations/ Check out this AWS CloudFormation Cheat Sheet:
https://tutorialsdojo.com/aws-cloudformation/
AWS CloudFormation - Templates, Stacks, Change Sets:
https://www.youtube.com/watch?v=9Xpuprxg7aY


NEW QUESTION # 441
A solutions architect is designing a customer-facing application for a company. The application's database will have a clearly defined access pattern throughout the year and will have a variable number of reads and writes that depend on the time of year. The company must retain audit records for the database for 7 days. The recovery point objective (RPO) must be less than 5 hours.
Which solution meets these requirements?

  • A. Use Amazon RDS with Provisioned IOPS Activate the database auditing parameter Perform database snapshots every 5 hours
  • B. Use Amazon Aurora MySQL with auto scaling. Activate the database auditing parameter
  • C. Use Amazon DynamoDB with auto scaling Use on-demand backups and Amazon DynamoDB Streams
  • D. Use Amazon Redshift. Configure concurrency scaling. Activate audit logging. Perform database snapshots every 4 hours.

Answer: D


NEW QUESTION # 442
......

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