Antonio M
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Pregunta 1 de 20

1

A company has reproducible data that they want to store on Amazon Web Services. The
company may want to retrieve the data on a frequent basis. Which Amazon web services storage
option allows the customer to optimize storage costs and still achieve high availability for their data?

Selecciona una de las siguientes respuestas posibles:

  • Amazon Glacier

  • Amazon S3 Reduced Redundancy Storage

  • Amazon EBS Magnetic Volume

  • Amazon S3 Standard Storage

Explicación

Pregunta 2 de 20

1

A Solutions Architect is designing a mobile application that will capture receipt images to track
expenses. The Architect wants to store the images on Amazon S3. However, uploading images
through the web server will create too much traffic. What is the MOST efficient method to store
images from a mobile application on Amazon S3?

Selecciona una de las siguientes respuestas posibles:

  • Expand the web server fleet with Spot Instances to provide the resources to handle the images

  • Upload directly to S3 using a pre-signed URL

  • Upload to a separate Auto Scaling group of servers behind an ELB Classic Load Balancer, and have
    them write to the Amazon S3 bucket

  • Upload to a second bucket, and have a Lambda event copy the image to the primary bucket

Explicación

Pregunta 3 de 20

1

Solutions Architect is designing an application on AWS that will connect to the on-premise
data center through a VPN connection. The solution must be able to log network traffic over the VPN.
Which service logs this network traffic?

Selecciona una de las siguientes respuestas posibles:

  • logs Amazon VPC flow logs

  • Amazon S3 bucket logs

  • AWS CloudTrail

  • Amazon CloudWatch Logs

Explicación

Pregunta 4 de 20

1

You are using an m1.small EC2 instance with one 300GB EBS volume to host a relational
database. You determined that write throughput to the database needs to be increased. Which of
the following approaches can help achieve this? Choose 2 answers

Selecciona una o más de las siguientes respuestas posibles:

  • Place the instance in an Auto Scaling Group

  • Use an array of EBS volumes

  • Add an EBS volume and place into RAID 5

  • Increase the size of the EC2 instance

  • Enable multi-AZ mode

  • Put the database behind an Elastic Load Balancer

Explicación

Pregunta 5 de 20

1

A web application stores all data in an Amazon RDS Aurora database instance. A Solutions
Architect wants to provide access to the data for a detailed report for the Marketing team, but is
concerned that the additional load on the database will affect the performance of the web
application.
How can the report be created without affecting the performance of the application?

Selecciona una de las siguientes respuestas posibles:

  • Provision a new RDS instance as a secondary master.

  • Configure the database to be in multiple regions.

  • Create a read replica of the database.

  • Increase the number of provisioned storage IOPS.

Explicación

Pregunta 6 de 20

1

Which of the following features ensures even distribution of traffic to Amazon EC2 instances in
multiples Availability Zones registered with a load balancer?

Selecciona una de las siguientes respuestas posibles:

  • An Amazon Route 53 weighted routing policy

  • Elastic Load Balancing cross-zone load balancing

  • An Amazon Route 53 latency routing policy

  • Elastic Load Balancing request routing

Explicación

Pregunta 7 de 20

1

An AWS Lambda function requires access to an Amazon RDS for SQL Server instance. It is
against company policy to store passwords in Lambda functions.
How can a Solution Architect enable the Lambda function to retrieve the database password without
violating company policy?

Selecciona una de las siguientes respuestas posibles:

  • Store a one-way hash of the password in the Lambda function

  • Connect to the Amazon RDS for SQL Server instance by using a role assigned to the Lambda function

  • Have the Lambda function use the AWS Systems Manager Parameter Store

  • Add an IAM policy for IAM database access to the Lambda execution role

Explicación

Pregunta 8 de 20

1

Which combination of two policies enables AWS identity and access management cross-
account access?Choose 2 answers

Selecciona una o más de las siguientes respuestas posibles:

  • Permission policy

  • Trust policy

  • Access policy

  • Bucket policy

  • Key policy

Explicación

Pregunta 9 de 20

1

A stray Amazon EC2 r3.8xlarge instance is running in your AWS account. Before terminating it,
you want to find the owner to confirm that it is not needed.
Where can you find the identity that launched this instance?

Selecciona una de las siguientes respuestas posibles:

  • VPC flow logs

  • Operating system logs

  • CloudTrail logs

  • ELB access logs

Explicación

Pregunta 10 de 20

1

You have a distributed application that periodically processes large volumes of data across
multiple Amazon EC2 Instances. The application is designed to recover gracefully from Amazon EC2
instance failures. You are required to accomplish this task in the most cost-effective way. Which of
the following will meet your requirements?

Selecciona una de las siguientes respuestas posibles:

  • On-Demand instances

  • Reserved instances

  • Spot Instances

  • Dedicated instances

Explicación

Pregunta 11 de 20

1

A customer is running a multi-tier web application farm in a virtual private cloud (VPC) that is
not connected to their corporate network. They are connecting to the VPC.
Which of the following bastion deployment scenarios will meet this requirement?

Selecciona una de las siguientes respuestas posibles:

  • Deploy a Windows Bastion host with an auto-assigned Public subnet, and allow RDP access to the bastion from only the corporate public IP addresses

  • Deploy a Windows Bastion host on the corporate network that has RDP access to all intances in the VPC

  • Deploy a Windows Bastion host with an Elastic IP address in the private subnet, and restrict RDP access to the bastion from only the corporate public IP addresses

  • Deploy a Windows Bastion host with an Elastic IP address in the public subnet, and allow SSH access to the bastion from anywhere

Explicación

Pregunta 12 de 20

1

A company has an Amazon RDS-managed online transaction processing system that has very
heavy read and write. The Solutions Architect notices throughput issues with the system.
How can the responsiveness of the primary database be improved?

Selecciona una de las siguientes respuestas posibles:

  • Offload SELECT query that needs the most current data to READ replica.

  • Use asynchronous replication for standby to maximize throughput during peak demand.

  • Offload SELECT queries that can tolerate stale data to READ replica.

  • Offload SELECT and UPDATE queries to READ replica.

Explicación

Pregunta 13 de 20

1

Your application contains thousands of Images in an Amazon RDS MySQL instance. These
images are frequently accessed and the number of images is growing rapidly. Which should you
implement to reduce cost and improve application performance?

Selecciona una de las siguientes respuestas posibles:

  • Migrate the images to Amazon Elastic Block Store volumes, and allow the end users to access the images through Amazon CloudFront

  • Migrate the images to Amazon Glacier, and allow the end users to access the images through Amazon CloudFront

  • Create two Amazon RDS My SQL read replicas in different regions, and migrate the images to the cross-region read replicas

  • Migrate the images to Amazon Simple Storage Service, and allow the end udders to access the images through Amazon CloudFront

Explicación

Pregunta 14 de 20

1

You are designing a web application that stores static assets in an Amazon Simple Storage
Service (S3) bucket. You expect this bucket to immediately receive over 150 PUT requests per second.
What should you do to ensure optimal performance?

Selecciona una de las siguientes respuestas posibles:

  • Add a random prefix to the key names.

  • Use a predictable naming scheme, such as sequential numbers or date time sequences, in the key names

  • Amazon S3 will automatically manage performance at this scale.

  • Use multi-part upload.

Explicación

Pregunta 15 de 20

1

A customer has a service based out of Oregon, U.S. and Paris, France. The application is
storing data in an S3 bucket located in Oregon, and that data is updated frequently. The Paris office is
experiencing slow response times when retrieving objects.
What should a Solution Architect do to resolve the slow response times for the Paris office?

Selecciona una de las siguientes respuestas posibles:

  • Create an Application Load Balancer that load balances data retrieval between the Oregon S3 bucket and a new Paris S3 bucket

  • Create a Amazon CloudFront distribution with the bucket located in Oregon as the origin and set the Maximum Time to Live (TTL) for cache behavior to 0

  • Set up an S3 bucket based in Paris, and enable a lifecycle management rule to transition data from the Oregon bucket to the Paris bucket

  • Set up an S3 bucket based in Paris, and enable cross-region replication from the Oregon bucket to the Paris bucket

Explicación

Pregunta 16 de 20

1

You are configuring your company's application to use Auto Scaling and need to move user state information.
Which of the following AWS services provides a shared data store with durability and low latency?

Selecciona una de las siguientes respuestas posibles:

  • Amazon EC2 instance storage

  • Amazon Simple Storage Service

  • AWS ElasticCAche Memcached

  • Amazon DynamoDB

Explicación

Pregunta 17 de 20

1

The application tier for a workload runs on EC2 instances that are unevenly distributed across two Availability Zones. The instances are behind a Network Load Balancer and are accessed through layer 4 TCP connections.
The instances in the lesser populated Availability Zone are failing as the result of high CPU utilization.
Which configuration change can help mitigate the issue?

Selecciona una de las siguientes respuestas posibles:

  • Switch to using an Application Load Balancer and enable sticky sessions

  • Switch to using an Application Load Balancer and enable cross-zone load balancing

  • Modify the Network Load Balancer to enable sticky sessions

  • Modify the Network Load Balance to enable cross-zone load balancing

Explicación

Pregunta 18 de 20

1

A company uses Amazon S3 for storing a variety of files. A Solutions Architect needs to design
a feature that will allow users to instantly restore any deleted files within 30 days of deletion. Which is the Most cost-efficient solution?

Selecciona una de las siguientes respuestas posibles:

  • Create lifecycle policies that move the objects to Amazon Glacier and delete them after 30 days

  • Enable versioning and create a lifecycle policy to remove expired versions after 30 days

  • Enable cross-region replication. Empty the replica bucket every 30 days using an AWS Lambda function

  • Enable versioning and MFA Delete. Using a Lambda function, remove MFA delete from objects more than 30 days old

Explicación

Pregunta 19 de 20

1

A company is designing a hybrid IT architecture and requires a private connection between an on-premises data center and their virtual private cloud (VPC). Which of the following would enable the company to achieve this? Choose 2 answers

Selecciona una o más de las siguientes respuestas posibles:

  • Amazon Route53

  • ClassicLink

  • AWS DataPipeline

  • AWS Direct connect

  • VPN connection

Explicación

Pregunta 20 de 20

1

A Solutions Architect is designing a microservices-based application using Amazon ECS. The application includes a WebSocket component, and the traffic needs to be distributed between microservices based on the URL.
Which service should the Architect choose to distribute me workload?

Selecciona una de las siguientes respuestas posibles:

  • ELB Application Load Balancer

  • Amazon Route 53 DNS

  • ELB Classic Load Balancer

  • Amazon CloudFront

Explicación

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