A company needs to architect a hybrid DNS solution. This solution will use an Amazon Route 53 private hosted zone for the domain cloud.example.com for the resources stored within VPCs.The company has the following DNS resolution requirements:-On-premises systems should be able to resolve and connect to cloud.example.com.-All VPCs should be able to resolve cloud.example.com.There is already an AWS Direct Connect connection between the on-premises corporate network and AWS Transit Gateway.Which architecture should the company use to meet these requirements with the HIGHEST performance?
Answer(s): A
The best architecture for this scenario is to associate the private hosted zone with all VPCs, ensuring that each VPC can directly resolve cloud.example.com. By deploying a Route 53 inbound resolver in the shared services VPC, DNS queries from on-premises systems can be forwarded through the Direct Connect and Transit Gateway to the resolver, providing high-performance resolution of the private hosted zone. This setup ensures both on-premises and VPC resources can access the domain with minimal latency.
A company is providing weather data over a REST-based API to several customers. The API is hosted 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?
Answer(s): C
To achieve failover across AWS Regions for the API, the company needs to deploy both API Gateway and Lambda functions in a secondary Region. Using Route 53 with a failover routing policy ensures that if the primary Region becomes unavailable, traffic is routed to the secondary Region. Enabling target health monitoring ensures that Route 53 detects outages and automatically shifts traffic. Additionally, converting the DynamoDB tables to global tables ensures data consistency and availability across Regions.
A company uses AWS Organizations with a single OU named Production to manage multiple accounts. All accounts are members of the Production OU. Administrators use deny list SCPs in the root of the organization to manage access to restricted services.The company recently acquired a new business unit and invited the new unit’s existing AWS account to the organization. Once onboarded, the administrators of the new business unit discovered that they are not able to update existing AWS Config rules to meet the company’s policies.Which option will allow administrators to make changes and continue to enforce the current policies without introducing additional long-term maintenance?
Answer(s): D
To allow the new business unit to update AWS Config rules while still enforcing the organization’s policies, the solution involves creating a temporary Onboarding OU for the new account and applying a more permissive SCP to allow AWS Config actions. This avoids changing the existing SCPs in the root and ensures that the new account can make necessary changes. Once the onboarding is complete, the account can be moved back to the Production OU, and the organization’s root SCPs can continue to enforce policies without additional long-term maintenance.
A company is running a two-tier web-based application in an on-premises data center. The 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?
To scale the application and database tiers while maintaining a consistent user experience, the solution should use Aurora Auto Scaling for Aurora Replicas to handle read traffic and enable automatic scaling. An Application Load Balancer (ALB) with the round-robin routing algorithm efficiently distributes traffic across EC2 instances in the Auto Scaling group. Sticky sessions ensure that users are consistently directed to the same application server, maintaining session continuity for the stateful application.
A company uses a service to collect metadata from applications that the company hosts on premises. 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?
Answer(s): B
API Gateway is the ideal solution for managing HTTP-based interactions, particularly when integrating with serverless applications like AWS Lambda. By using Amazon API Gateway and modifying the default gateway responses, you can easily remove unsupported HTTP headers based on the User-Agent header. This approach avoids unnecessary complexity and directly handles response customization, ensuring compatibility with older consumer devices.
A company is running a traditional web application on Amazon EC2 instances. The company needs to 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?
Option B is the most cost-effective and operationally efficient solution because it uses Amazon ECS with Fargate, which automatically scales to handle variable loads without the need for managing infrastructure. This setup minimizes operational complexity and ensures separate environments for production and testing, with traffic directed by Application Load Balancers.
A company has a multi-tier web application that runs on a fleet of Amazon EC2 instances behind an 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 data. 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?
Option B is the best choice because it uses an AWS Lambda function to promote the read replica and adjust the Auto Scaling group values in the backup region. This setup, combined with Route 53 health checks and failover routing, ensures automatic failover within the required RTO of less than 15 minutes without the need for an active-active strategy, keeping costs low.
A company is hosting a critical application on a single Amazon EC2 instance. The application uses an Amazon ElastiCache for Redis single-node cluster for an in-memory data store. The application uses an Amazon RDS for MariaDB DB instance for a relational database. For the application to function, each piece of the infrastructure must be healthy and must be in an active state.A solutions architect needs to improve the application's architecture so that the infrastructure can automatically recover from failure with the least possible downtime.Which combination of steps will meet these requirements? (Choose three.)
Answer(s): A,D,F
To ensure the application’s infrastructure can automatically recover from failures with minimal downtime, the following steps are necessary:A: Use an Elastic Load Balancer to distribute traffic across multiple EC2 instances. Ensure that the EC2 instances are part of an Auto Scaling group that has a minimum capacity of two instances.This step ensures high availability and fault tolerance for the application by distributing traffic across multiple instances and automatically scaling the number of instances based on demand.D: Modify the DB instance to create a Multi-AZ deployment that extends across two Availability Zones.Multi-AZ deployments provide enhanced availability and durability for the database. In the event of an AZ failure, Amazon RDS automatically fails over to the standby instance in another AZ, minimizing downtime.F: Create a replication group for the ElastiCache for Redis cluster. Enable Multi-AZ on the cluster.Enabling Multi-AZ for ElastiCache ensures that the in-memory data store is highly available and can failover to a replica in another AZ if the primary node fails, thus reducing downtime.These steps collectively enhance the resilience and availability of the application’s infrastructure, ensuring it can recover quickly from failures.
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answer to question 72 is d [sys_user_role]
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page :20 https://exam-dumps.com/snowflake/free-cof-c02-braindumps.html?p=20#collapse_453 q 74: true or false: pipes can be suspended and resumed. true. desc.: pausing or resuming pipes in addition to the pipe owner, a role that has the following minimum permissions can pause or resume the pipe https://docs.snowflake.com/en/user-guide/data-load-snowpipe-intro
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answer 10 should be a because only a new project will be created & the organization is the same.
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question 16 should be b (changing the connector settings on the monitor) pc and monitor were powered on. the lights on the pc are on indicating power. the monitor is showing an error text indicating that it is receiving power too. this is a clear sign of having the wrong input selected on the monitor. thus, the "connector setting" needs to be switched from hdmi to display port on the monitor so it receives the signal from the pc, or the other way around (display port to hdmi).
q 10. ans is d (in the target org: open deployment settings, click edit next to the source org. select allow inbound changes and save
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question 14 - run terraform import: this is the recommended best practice for bringing manually created or destroyed resources under terraform management. you use terraform import to associate an existing resource with a terraform resource configuration. this ensures that terraform is aware of the resource, and you can subsequently manage it with terraform.
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answer 16 should be b your organizational policies require you to use virtual machines directly
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