SAP-C02 Amazon Web Services AWS Certified Solutions Architect

AWS Certified Solutions Architect - Professional

Last Update 14 hours ago Total Questions : 674

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Question # 76

A company has developed a hybrid solution between its data center and AWS. The company uses Amazon VPC and Amazon EC2 instances that send application logs to Amazon CloudWatch. The EC2 instances read data from multiple relational databases that are hosted on premises.

The company wants to monitor which EC2 instances are connected to the databases in near real time. The company already has a monitoring solution that uses Splunk on premises. A solutions architect needs to determine how to send networking traffic to Splunk.

How should the solutions architect meet these requirements?

Enable VPC flow logs and send them to CloudWatch. Create an AWS Lambda function to periodically export the CloudWatch logs to an Amazon S3 bucket by using the predefined export function. Generate ACCESS_KEY and SECRET_KEY AWS credentials. Configure Splunk to pull the logs from the S3 bucket by using those credentials.

Create an Amazon Data Firehose delivery stream with Splunk as the destination. Configure a pre-processing AWS Lambda function with a Firehose stream processor that extracts individual log events from records sent by CloudWatch Logs subscription filters. Enable VPC flow logs and send them to CloudWatch. Create a CloudWatch Logs subscription that sends log events to the Firehose delivery stream.

Ask the company to log every request that is made to the databases along with the EC2 instance IP address. Export the CloudWatch logs to an Amazon S3 bucket. Use Amazon Athena to query the logs grouped by database name. Export Athena results to another S3 bucket. Invoke an AWS Lambda function to automatically send any new file that is put in the S3 bucket to Splunk.

Send the CloudWatch logs to an Amazon Kinesis data stream with Amazon Managed Service for Apache Flink (previously known as Amazon Kinesis Data Analytics). Configure a 1-minute sliding window to collect the events. Create a SQL query that uses the anomaly detection template to monitor any networking traffic anomalies in near real time. Send the result to an Amazon Data Firehose delivery stream with Splunk as the destination.

Answer:

Explanation:

The company needs near-real-time visibility into which EC2 instances are connecting to on-premises databases. The correct telemetry source for network connection metadata at the VPC level is VPC Flow Logs. VPC Flow Logs capture information about IP traffic going to and from network interfaces in a VPC, including source/destination IPs, ports, protocol, and accept/reject decisions. This data can be used to infer which EC2 instance IPs are connecting to database IPs.

The company already uses Splunk on premises, so the solution should deliver these logs to Splunk with minimal delay and operational overhead. Amazon Data Firehose provides a fully managed way to deliver streaming data to supported destinations, including Splunk, with buffering and retry handling. CloudWatch Logs subscription filters can stream log events in near real time from CloudWatch Logs to destinations such as Firehose.

Option B uses the standard pattern: enable VPC Flow Logs to CloudWatch Logs, then create a CloudWatch Logs subscription filter that streams the flow logs to a Firehose delivery stream configured with Splunk as the destination. Because CloudWatch Logs subscription deliveries can batch log events, using a Firehose preprocessing Lambda to extract individual log events is a common approach to format records in a way that Splunk ingests cleanly. This yields near-real-time delivery with low operational overhead.

Option A introduces delay because it exports CloudWatch logs periodically to S3 and requires Splunk to poll S3. It also requires long-lived access keys and periodic batch exports, which is not near real time.

Option C relies on application-level logging changes and batch analytics with Athena, which is not near real time and requires substantial changes and additional pipelines.

Option D is over-engineered for the stated requirement. Using Flink and anomaly detection focuses on anomalies rather than simply identifying connections, and it adds significant operational complexity compared to direct delivery of flow logs to Splunk via Firehose.

Therefore, streaming VPC Flow Logs from CloudWatch Logs to Splunk using a Firehose delivery stream and a subscription filter is the best approach.

[References:AWS documentation on VPC Flow Logs and the metadata they provide for network connection visibility.AWS documentation on CloudWatch Logs subscription filters for near-real-time streaming of log events.AWS documentation on Amazon Data Firehose delivery to Splunk and optional Lambda transformations for record formatting., , , , ]

Question # 77

A company is creating a sequel for a popular online game. A large number of users from all over the world will play the game within the first week after launch. Currently, the game consists of the following components deployed in a single AWS Region:

• Amazon S3 bucket that stores game assets

• Amazon DynamoDB table that stores player scores

A solutions architect needs to design a multi-Region solution that will reduce latency improve reliability, and require the least effort to implement

What should the solutions architect do to meet these requirements?

Create an Amazon CloudFront distribution to serve assets from the S3 bucket Configure S3 Cross-Region Replication Create a new DynamoDB able in a new Region Use the new table as a replica target tor DynamoDB global tables.

Create an Amazon CloudFront distribution to serve assets from the S3 bucket. Configure S3 Same-Region Replication. Create a new DynamoDB able m a new Region. Configure asynchronous replication between the DynamoDB tables by using AWS Database Migration Service (AWS DMS) with change data capture (CDC)

Create another S3 bucket in a new Region and configure S3 Cross-Region Replication between the buckets Create an Amazon CloudFront distribution and configure origin failover with two origins accessing the S3 buckets in each Region. Configure DynamoDB global tables by enabling Amazon DynamoDB Streams, and add a replica table in a new Region.

Create another S3 bucket in the same Region, and configure S3 Same-Region Replication between the buckets- Create an Amazon CloudFront distribution and configure origin failover with two origin accessing the S3 buckets Create a new DynamoDB table m a new Region Use the new table as a replica target for DynamoDB global tables.

Question # 78

A company has applications in an AWS account that is named Source. The account is in an organization in AWS Organizations. One of the applications uses AWS Lambda functions and store’s inventory data in an Amazon Aurora database. The application deploys the Lambda functions by using a deployment package. The company has configured automated backups for Aurora.

The company wants to migrate the Lambda functions and the Aurora database to a new AWS account that is named Target. The application processes critical data, so the company must minimize downtime.

Which solution will meet these requirements?

Download the Lambda function deployment package from the Source account. Use the deployment package and create new Lambda functions in the Target account. Share the automated Aurora DB cluster snapshot with the Target account.

Download the Lambda function deployment package from the Source account. Use the deployment package and create new Lambda functions in the Target account Share the Aurora DB cluster with the Target account by using AWS Resource Access Manager {AWS RAM). Grant the Target account permission to clone the Aurora DB cluster.

Use AWS Resource Access Manager (AWS RAM) to share the Lambda functions and the Aurora DB cluster with the Target account. Grant the Target account permission to clone the Aurora DB cluster.

Use AWS Resource Access Manager (AWS RAM) to share the Lambda functions with the Target account. Share the automated Aurora DB cluster snapshot with the Target account.

Question # 79

A company has an application that runs on Amazon EC2 instances. A solutions architect is designing VPC infrastructure in an AWS Region where the application needs to access an Amazon Aurora DB cluster. The EC2 instances are all associated with the same security group. The DB cluster is associated with its own security group.

The solutions architect needs to add rules to the security groups to provide the application with least privilege access to the DB cluster.

Which combination of steps will meet these requirements? (Select TWO.)

Add an inbound rule to the EC2 instances ' security group. Specify the DB cluster ' s security group as the source over the default Aurora port.

Add an outbound rule to the EC2 instances ' security group. Specify the DB cluster ' s security group as the destination over the default Aurora port.

Add an inbound rule to the DB cluster ' s security group. Specify the EC2 instances ' security group as the source over the default Aurora port.

Add an outbound rule to the DB cluster ' s security group. Specify the EC2 instances ' security group as the destination over the default Aurora port.

Add an outbound rule to the DB cluster ' s security group. Specify the EC2 instances ' security group as the destination over the ephemeral ports.

Question # 80

A solutions architect has implemented a SAML 2 0 federated identity solution with their company ' s on-premises identity provider (IdP) to authenticate users ' access to the AWS environment. When the solutions architect tests authentication through the federated identity web portal, access to the AWS environment is granted However when test users attempt to authenticate through the federated identity web portal, they are not able to access the AWS environment

Which items should the solutions architect check to ensure identity federation isproperly configured? (Select THREE)

The 1AM user ' s permissions policy has allowed the use of SAML federation for that user

The 1AM roles created for the federated users ' or federated groups ' trust policy have set the SAML provider as the principal

Test users are not in the AWSFederatedUsers group in the company ' s IdP

The web portal calls the AWS STS AssumeRoleWithSAML API with the ARN of the SAML provider, the ARN of the 1AM role, and the SAML assertion from IdP

The on-premises IdP ' s DNS hostname is reachable from the AWS environment VPCs

The company ' s IdP defines SAML assertions that properly map users or groups in the company to 1AM roles with appropriate permissions

Question # 81

A company hosts a ticketing service on a fleet of Linux Amazon EC2 instances that are in an Auto Scaling group. The ticketing service uses a pricing file. The pricing file is stored in an Amazon S3 bucket that has S3 Standard storage. A central pricing solution that is hosted by a third party updates the pricing file.

The pricing file is updated every 1–15 minutes and has several thousand line items. The pricing file is downloaded to each EC2 instance when the instance launches.

The EC2 instances occasionally use outdated pricing information that can result in incorrect charges for customers.

Which solution will resolve this problem MOST cost-effectively?

Create an AWS Lambda function to update an Amazon DynamoDB table with new prices each time the pricing file is updated. Update the ticketing service to use DynamoDB to look up pricing.

Create an AWS Lambda function to update an Amazon EFS file share with the pricing file each time the file is updated. Update the ticketing service to use Amazon EFS to access the pricing file.

Load Mountpoint for Amazon S3 onto the AMI of the EC2 instances. Configure Mountpoint for Amazon S3 to mount the S3 bucket that contains the pricing file. Update the ticketing service to point to the mount point and path to access the S3 object.

Create an Amazon EBS volume. Use EBS Multi-Attach to attach the volume to every EC2 instance. When a new EC2 instance launches, configure the new instance to update the pricing file on the EBS volume. Update the ticketing service to point to the new local source.

Question # 82

A company is hosting a three-tier web application in an on-premises environment. Due to a recentsurge in traffic that resulted in downtime and a significant financial impact, company management has ordered that the application be moved to AWS. The application is written in .NET and has a dependency on a MySQL database A solutions architect must design a scalable and highly available solution to meet the demand of 200000 daily users.

Which steps should the solutions architect take to design an appropriate solution?

Use AWS Elastic Beanstalk to create a new application with a web server environment and an Amazon RDS MySQL Multi-AZ DB instance The environment should launch a Network Load Balancer (NLB) in front of an Amazon EC2 Auto Scaling group in multiple Availability Zones Use an Amazon Route 53 alias record to route traffic from the company ' s domain to the NLB.

Use AWS CloudFormation to launch a stack containing an Application Load Balancer (ALB) in front of an Amazon EC2 Auto Scaling group spanning three Availability Zones. The stack should launch a Multi-AZ deployment of an Amazon Aurora MySQL DB cluster with a Retain deletion policy. Use an Amazon Route 53 alias record to route traffic from the company ' s domain to the ALB

Use AWS Elastic Beanstalk to create an automatically scaling web server environment that spans two separate Regions with an Application Load Balancer (ALB) in each Region. Create a Multi-AZ deployment of an Amazon Aurora MySQL DB cluster with a cross-Region read replica Use Amazon Route 53 with a geoproximity routing policy to route traffic between the two Regions.

Use AWS CloudFormation to launch a stack containing an Application Load Balancer (ALB) in front of an Amazon ECS cluster of Spot Instances spanning three Availability Zones The stack should launch an Amazon RDS MySQL DB instance with a Snapshot deletion policy Use an Amazon Route 53 alias record to route traffic from the company ' s domain to the ALB

Question # 83

A company runs an loT application in the AWS Cloud. The company has millions of sensors that collect data from houses in the United States. The sensors use the MOTT protocol to connect and send data to a custom MQTT broker. The MQTT broker stores the data on a single Amazon EC2 instance. The sensors connect to the broker through the domain named iot.example.com. The company uses Amazon Route 53 as its DNS service. The company stores the data in Amazon DynamoDB.

On several occasions, the amount of data has overloaded the MOTT broker and has resulted in lost sensor data. The company must improve the reliability of the solution.

Which solution will meet these requirements?

Create an Application Load Balancer (ALB) and an Auto Scaling group for the MOTT broker. Use the Auto Scaling group as the target for the ALB. Update the DNS record in Route 53 to an alias record. Point the alias record to the ALB. Use the MQTT broker to store the data.

Set up AWS loT Core to receive the sensor data. Create and configure a custom domain to connect to AWS loT Core. Update the DNS record in Route 53 to point to the AWS loT Core Data-ATS endpoint. Configure an AWS loT rule to store the data.

Create a Network Load Balancer (NLB). Set the MQTT broker as the target. Create an AWS Global Accelerator accelerator. Set the NLB as the endpoint for the accelerator. Update the DNS record in Route 53 to a multivalue answer record. Set the Global Accelerator IP addresses as values. Use the MQTT broker to store the data.

Set up AWS loT Greengrass to receive the sensor data. Update the DNS record in Route 53 to point to the AWS loT Greengrass endpoint. Configure an AWS loT rule to invoke an AWS Lambda function to store the data.

Question # 84

A company hosts a software as a service (SaaS) solution on AWS. The solution has an Amazon API Gateway API that serves an HTTPS endpoint. The API uses AWS Lambda functions for compute. The Lambda functions store data in an Amazon Aurora Serverless VI database.

The company used the AWS Serverless Application Model (AWS SAM) to deploy the solution. The solution extends across multiple Availability Zones and has nodisaster recovery (DR) plan.

A solutions architect must design a DR strategy that can recover the solution in another AWS Region. The solution has an R TO of 5 minutes and an RPO of 1 minute.

What should the solutions architect do to meet these requirements?

Create a read replica of the Aurora Serverless VI database in the target Region. Use AWS SAM to create a runbook to deploy the solution to the target Region. Promote the read replica to primary in case of disaster.

Change the Aurora Serverless VI database to a standard Aurora MySQL global database that extends across the source Region and the target Region. Use AWS SAM to create a runbook to deploy the solution to the target Region.

Create an Aurora Serverless VI DB cluster that has multiple writer instances in the target Region. Launch the solution in the target Region. Configure the two Regional solutions to work in an active-passive configuration.

Change the Aurora Serverless VI database to a standard Aurora MySQL global database that extends across the source Region and the target Region. Launch the solution in the target Region. Configure the two Regional solutions to work in an active-passive configuration.

Question # 85

A company recently wanted a web application from an on-premises data center to the AWS Cloud. The web application infrastructure consists of an Amazon CloudFront distribution that routes to an Application Load Balancer (ALB), with Amazon Elastic Container Service (Amazon ECS) to process requests. A recent security audit revealed that the web application is accessible by using both CloudFront and ALB endpoints. However. the company requires that the web application must be accessible only by using the CloudFront endpoint.

Which solution will meet this requirement with the LEAST amount of effort?

Create a new security group and attach it to the CloudFront distribution. Update the ALB security group ingress to allow access only from the CloudFront security group.

Update ALB security group ingress to allow access only from the CloudFront managed prefix list.

Create a VPC interface endpoint for Elastic Load Balancing. Update the ALB scheme from internet-facing to internal_

Extract CloudFront IPS from the AWS provided ip-ranges.json document. Update ALB security group ingress to allow access only from CloudFront IPs.

Question # 86

A company is planning to migrate to the AWS Cloud. The company hosts many applications on Windows servers and Linux servers. Some of the servers are physical, and some of the servers are virtual. The company uses several types of databases in its on-premises environment. The company does not have an accurate inventory of its on-premises servers and applications.

The company wants to rightsize its resources during migration. A solutions architect needs to obtain information about the network connections and the application relationships. The solutions architect must assess the company ' s current environment and develop a migration plan.

Which solution will provide the solutions architect with the required information to develop the migration plan?

Use Migration Evaluator to request an evaluation of the environment from AWS. Use the AWS Application Discovery Service Agentless Collector to import the details into a Migration Evaluator Quick Insights report.

Use AWS Migration Hub and install the AWS Application Discovery Agent on the servers. Deploy the Migration Hub Strategy Recommendations application data collector. Generate a report by using Migration Hub Strategy Recommendations.

Use AWS Migration Hub and run the AWS Application Discovery Service Agentless Collector on the servers. Group the servers and databases by using AWS Application Migration Service. Generate a report by using Migration Hub Strategy Recommendations.

Use the AWS Migration Hub import tool to load the details of the company ' s on-premises environment. Generate a report by using Migration Hub Strategy Recommendations.

Question # 87

A company wants to migrate its website to AWS. The website uses containers that are deployed in an on-premises, self-managed Kubernetes cluster. All data for the website is stored in an on-premises PostgreSQL database.

The company has decided to migrate the on-premises Kubernetes cluster to an Amazon EKS cluster. The EKS cluster will use EKS managed node groups with a static number of nodes. The company will also migrate the on-premises database to an Amazon RDS for PostgreSQL database.

A solutions architect needs to estimate the total cost of ownership (TCO) for this workload before the migration.

Which solution will provide the required TCO information?

Request access to Migration Evaluator. Run the Migration Evaluator Collector and import the data. Configure a scenario. Export a Quick Insights report from Migration Evaluator.

Launch AWS DMS for the on-premises database. Generate an assessment report. Create an estimate in AWS Pricing Calculator for the costs of the EKS migration.

Initialize AWS Application Migration Service. Add the on-premises servers as source servers. Launch a test instance. Output a TCO report from Application Migration Service.

Access the AWS Cloud Economics Center webpage to assess the AWS Cloud Value Framework. Create an AWS Cost and Usage report from the Cloud Value Framework.

Answer:

Explanation:

The requirement is to estimate total cost of ownership before migration. This includes comparing current on-premises costs with projected AWS costs for compute, storage, databases, and related services, and producing a consolidated business-focused TCO view.

AWS Migration Evaluator is the AWS service specifically designed to help customers build data-driven business cases for migrating workloads to AWS. Migration Evaluator collects inventory and utilization data from on-premises environments by using a collector. It then allows architects to model different migration scenarios, map on-premises resources to AWS services such as Amazon EKS managed node groups and Amazon RDS for PostgreSQL, and generate reports that estimate costs, savings, and TCO impacts. The Quick Insights report provides a summarized, executive-level view of the estimated AWS costs, on-premises costs, and projected savings, which directly satisfies the requirement.

Option B is not sufficient because AWS DMS assessment reports focus on database migration feasibility and compatibility, not full workload TCO. The AWS Pricing Calculator can estimate AWS service costs, but it does not automatically incorporate on-premises cost data or provide a consolidated TCO comparison without significant manual effort.

Option C is incorrect because AWS Application Migration Service focuses on rehosting servers and testing migrations. It does not produce comprehensive TCO reports comparing on-premises and AWS environments for container platforms like EKS and managed databases.

Option D is incorrect because the AWS Cloud Economics Center and Cloud Value Framework provide conceptual guidance and methodology, not a workload-specific TCO report. AWS Cost and Usage Reports are used to analyze existing AWS usage, not to estimate costs for workloads that have not yet been migrated.

Therefore, using Migration Evaluator to collect on-premises data, model the target EKS and RDS architecture, and export a Quick Insights TCO report is the correct solution.

[References:AWS documentation on Migration Evaluator for building migration business cases, estimating total cost of ownership, and generating Quick Insights reports.AWS guidance on using Migration Evaluator to model container and database migrations and compare on-premises costs with projected AWS costs., , , , ]

Question # 88

A company wants to migrate its workloads from on premises to AWS. The workloads run on Linuxand Windows. The company has a large on-premises intra structure that consists of physical machines and VMs that host numerous applications.

The company must capture details about the system configuration. system performance. running processure and network coi.net lions of its o. -premises ,on boards. The company also must divide the on-premises applications into groups for AWS migrations. The company needs recommendations for Amazon EC2 instance types so that the company can run its workloads on AWS in the most cost-effective manner.

Which combination of steps should a solutions architect take to meet these requirements? (Select THREE.)

Assess the existing applications by installing AWS Application Discovery Agent on the physical machines and VMs.

Assess the existing applications by installing AWS Systems Manager Agent on the physical machines and VMs

Group servers into applications for migration by using AWS Systems Manager Application Manager.

Group servers into applications for migration by using AWS Migration Hub.

Generate recommended instance types and associated costs by using AWS Migration Hub.

Import data about server sizes into AWS Trusted Advisor. Follow the recommendations for cost optimization.

Question # 89

A company is developing a web application that runs on Amazon EC2 instances in an Auto Scaling group behind a public-facing Application Load Balancer (ALB). Only users from a specific country are allowed to access the application. The company needs the ability to log the access requests that have been blocked. The solution should require the least possible maintenance.

Which solution meets these requirements?

Create an IPSet containing a list of IP ranges that belong to the specified country. Create an AWS WAF web ACL. Configure a rule to block any requests that do not originate from an IP range in theIPSet. Associate the rule with the web ACL. Associate the web ACL with the ALB.

Create an AWS WAF web ACL. Configure a rule to block any requests that do not originate from the specified country. Associate the rule with the web ACL. Associate the web ACL with the ALB.

Configure AWS Shield to block any requests that do not originate from the specified country. Associate AWS Shield with the ALB.

Create a security group rule that allows ports 80 and 443 from IP ranges that belong to the specified country. Associate the security group with the ALB.

Question # 90

A company uses AWS Organizations. The company creates a central VPC in an AWS account that is designated for networking in a single AWS Region. The central VPC has an AWS Site-to-Site VPN connection to the company ' s on-premises network. A solutions architect must create another AWS account that uses the same networking resources that the central VPC uses.

Which solution meets these requirements MOST cost-effectively?

Create a VPC in the new AWS account. Create a new Site-to-Site VPN connection for the on-premises connection.

Use AWS Resource Access Manager to share the VPN connection in the central VPC with the new AWS account.

Create a VPC in the new AWS account. Configure a virtual private gateway to connect to the central VPC.

Use AWS Resource Access Manager to share the subnets in the central VPC with the new AWS account.