- (Topic 2)
A company manages factory machines in real time. The company wants to use AWS technology to deploy its monitoring applications as close to the factory machines as possible.
Which AWS solution will meet these requirements with the LEAST latency?
Correct Answer:
A
AWS Outposts is a fully managed service that extends AWS infrastructure, AWS services, APIs, and tools to virtually any datacenter, co-location space, or on- premises facility for a truly consistent hybrid experience. AWS Outposts enables you to run AWS services in your on-premises data center1.
- (Topic 1)
In which of the following AWS services should database credentials be stored for maximum security?
Correct Answer:
B
AWS Secrets Manager is the AWS service where database credentials should be stored for maximum security. AWS Secrets Manager helps to protect the secrets, such as database credentials, passwords, API keys, and tokens, that are used to access applications, services, and resources. AWS Secrets Manager enables secure storage, encryption, rotation, and retrieval of the secrets. AWS Secrets Manager also integrates with other AWS services, such as AWS Identity and Access Management (IAM), AWS Key Management Service (AWS KMS), and AWS Lambda. For more information, see [What is AWS Secrets Manager?] and [Getting Started with AWS Secrets Manager].
- (Topic 3)
A company needs to set up user authentication for a new application. Users must be able to sign in directly with a user name and password, or through a third-party provider.
Which AWS service should the company use to meet these requirements?
Correct Answer:
C
Amazon Cognito is a service that provides user authentication and authorization for web and mobile applications. You can use Amazon Cognito to enable users to sign in directly with a user name and password, or through a third-party provider, such as Facebook, Google, or Amazon. You can also use Amazon Cognito to manage user profiles, preferences, and security settings3
- (Topic 2)
A company wants to push VPC Flow Logs to an Amazon S3 bucket.
A company wants to optimize long-term compute costs of AWS Lambda functions and Amazon EC2 instances.
Which AWS purchasing option should the company choose to meet these requirements?
Correct Answer:
B
Compute Savings Plans are a flexible and cost-effective way to optimize long-term compute costs of AWS Lambda functions and Amazon EC2 instances. With Compute Savings Plans, customers can commit to a consistent amount of compute usage (measured in $/hour) for a 1-year or 3-year term and receive a discount of up to 66% compared to On-Demand prices3. Dedicated Hosts are physical servers with EC2 instance capacity fully dedicated to the customer’s use. They are suitable for customers who have specific server-bound software licenses or compliance requirements4. Reserved Instances are a pricing model that provides a significant discount (up to 75%) compared to On-Demand pricing and a capacity reservation for EC2 instances. They are available in 1-year or 3-year terms and different payment options5. Spot Instances are spare EC2 instances that are available at up to 90% discount compared to On-Demand prices. They are suitable for customers who have flexible start and end times, can withstand interruptions, and can handle excess capacity.
- (Topic 3)
A developer who has no AWS Cloud experience wants to use AWS technology to build a web application.
Which AWS service should the developer use to start building the application?
Correct Answer:
C
Amazon Lightsail is an easy-to-use cloud platform that offers everything you need to build an application or website, plus a cost-effective, monthly plan1. It is designed for developers who have little or no prior cloud experience and want to launch and manage applications on AWS with minimal complexity2. Amazon SageMaker is a service for building, training, and deploying machine learning models3. AWS Lambda is a service that lets you run code without provisioning or managing servers4. Amazon Elastic Container Service (Amazon ECS) is a fully managed container orchestration service.