A company needs to migrate an Oracle database to AWS. Their primary requirement is to minimize the amount of administration needed, such as patching the database software or managing backups. Which AWS service should they use?

Amazon EC2 with Oracle Database installed

You need temporary access to an S3 bucket without creating IAM users.

Use an IAM role with STS temporary credentials

Store access keys in a .env file

¿Cuál es la principal ventaja de usar Amazon CloudFront como servicio de CDN?

Reduce la latencia al distribuir contenido en cachés cercanas a los usuarios finales

Proporciona un entorno para ejecutar contenedores Docker

Garantiza la disponibilidad de las bases de datos en varias zonas de disponibilidad

Permite ejecutar código sin servidores

A company needs to expose a web application to the public on the Internet using Amazon EC2 within a VPC. The servers must be accessible from anywhere, but the database should remain private. What is the most appropriate configuration?

EC2 in public subnet with IGW, DB in private subnet (only EC2 access).

EC2 in private subnet, DB in public subnet (only internal traffic)

EC2 and DB in same public subnet, restricted by NACLs

NAT Gateway to expose DB, EC2 in private subnet

Which of the following is the responsibility of the customer under the AWS Shared Responsibility Model?

Configuration of security groups and network access control lists (ACLs).

Physical security of data centers

Maintaining the power and cooling of hardware

Controlling access to AWS global infrastructure

A web application must remain available if one Availability Zone fails; which design choice best addresses this?

Use Elastic Load Balancing with at least two enabled Availability Zones and place instances in an Auto Scaling group across those AZs.

Use Amazon CloudFront to cache static assets at edge locations only

Rely on CloudTrail to detect AZ failures and take action

Run all instances in a single AZ with larger instance types

What is a key advantage of AWS Fargate?

Serverless container management.

Which of the following best describes an AWS Availability Zone (AZ)?

A physical data center within an AWS Region.

A collection of edge locations used for content delivery

A group of logically isolated virtual private clouds (VPCs)

A separate geographic location containing multiple Regions

Which of the following best describes an Availability Zone (AZ) in AWS?

One or more discrete data centers with redundant power, networking, and connectivity.

A collection of AWS resources deployed in different regions

A content delivery location used by CloudFront to cache data closer to users

A collection of Edge Locations that provide global low-latency access

Under the AWS Shared Responsibility Model, which task is the customer’s responsibility?

Configuring security group rules for EC2 instances

Patching the underlying physical infrastructure

Maintaining availability of data centers.

What does the AWS Shared Responsibility Model state about customer responsibilities?

Customers are responsible for security in the cloud.

AWS secures everything in the cloud

Customers are only responsible for billing

AWS handles both infrastructure and data protection

Which of the following best describes the shared responsibility model?

AWS manages security of the cloud, customers manage security in the cloud.

AWS is responsible for everything in the cloud

Customers are responsible for everything in the cloud

Customers and AWS share billing responsibilities

AOS_ACT1_INDIVIDUAL_2026_INICIAL

Authored by Marcela Castro León

Architecture

University

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A three-tier web application, consisting of a web server, an application server, and a database, is deployed on Amazon EC2 instances. The company wants to decouple the web tier from the application tier to improve scalability and fault tolerance. Which AWS service should they use to achieve this?

AWS Lambda

Amazon Route 53

Elastic Load Balancing (ELB)

Amazon Simple Queue Service (SQS).

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A company wants to understand and forecast its future AWS costs. Which AWS service should it use?

AWS Cost Explorer.

AWS Budgets

AWS Trusted Advisor

AWS Pricing Calculator

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

According to the AWS Shared Responsibility Model, which of the following is AWS responsible for?

Configuring IAM policies correctly

Updating guest operating systems on EC2 instances

Patching the underlying hypervisor.

Encrypting application data stored in Amazon S3

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A startup wants to run its application in multiple AWS Regions to improve fault tolerance. Which component helps direct user traffic across Regions based on latency?

Amazon Route 53.

AWS Direct Connect

Amazon CloudFront

Elastic Load Balancing (ELB)

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A company needs to store long-term backups that are rarely accessed but must remain immediately retrievable within minutes when required. Which Amazon S3 storage class is the MOST cost-effective choice?

Amazon S3 Standard

Amazon S3 Standard-Infrequent Access (S3 Standard-IA)

Amazon S3 Glacier Instant Retrieval.

Amazon S3 Glacier Deep Archive

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A development team needs to run a batch processing job for 6 hours every night. The job can be interrupted and restarted without issue. Which AWS pricing model would be the MOST cost-effective for this use case?

On-Demand Instances

Reserved Instances (1-Year Term)

Spot Instances.

Dedicated Hosts

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A startup is beginning to develop a new application on AWS and needs basic technical guidance on best practices during business hours. Their budget is limited. Which AWS Support plan is most appropriate for their needs?

Basic Support

Developer Support.

Business Support

Enterprise Support

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AOS_ACT1_INDIVIDUAL_2026_INICIAL

A three-tier web application, consisting of a web server, an application server, and a database, is deployed on Amazon EC2 instances. The company wants to decouple the web tier from the application tier to improve scalability and fault tolerance. Which AWS service should they use to achieve this?

A company wants to understand and forecast its future AWS costs. Which AWS service should it use?

According to the AWS Shared Responsibility Model, which of the following is AWS responsible for?

A startup wants to run its application in multiple AWS Regions to improve fault tolerance. Which component helps direct user traffic across Regions based on latency?

A company needs to store long-term backups that are rarely accessed but must remain immediately retrievable within minutes when required. Which Amazon S3 storage class is the MOST cost-effective choice?

A development team needs to run a batch processing job for 6 hours every night. The job can be interrupted and restarted without issue. Which AWS pricing model would be the MOST cost-effective for this use case?

A startup is beginning to develop a new application on AWS and needs basic technical guidance on best practices during business hours. Their budget is limited. Which AWS Support plan is most appropriate for their needs?

A company needs to migrate an Oracle database to AWS. Their primary requirement is to minimize the amount of administration needed, such as patching the database software or managing backups. Which AWS service should they use?

Which AWS service provides a fully managed service for running Apache Kafka without managing the underlying infrastructure?

You need temporary access to an S3 bucket without creating IAM users.

Access all questions and much more by creating a free account

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