Practice Test

True or False: Amazon SNS can be used to send notifications in response to events, such as a new user sign-up or an error.

  • Answer: True

Explanation: Amazon Simple Notification Service (Amazon SNS) is a web service that coordinates and manages the delivery or sending of messages to subscribing endpoints or clients.

Which of the following can you do with AWS CloudWatch?

  • A. Monitor your applications
  • B. Collect and track metrics
  • C. Set alarms
  • D. All of the above

Answer: D. All of the above

Explanation: AWS CloudWatch enables you to monitor your applications, collect and track metrics, and set alarms.

True or False: AWS Health events provide alerts and remediation suggestions when AWS is experiencing operational issues.

  • Answer: True

Explanation: AWS Health provides ongoing visibility into your resource performance and the availability of your AWS environment.

Which AWS service allows you to view and manage your service quotas?

  • A. Amazon SNS
  • B. Service Quotas
  • C. AWS CloudWatch
  • D. AWS Lambda

Answer: B. Service Quotas

Explanation: Service Quotas is the AWS service that enables you to view and manage your quotas, also referred to as limits, from a central location.

True or False: Amazon SNS can only publish messages to HTTP endpoints.

  • Answer: False

Explanation: Amazon SNS can publish messages to a variety of endpoints types, including HTTP, email, AWS Lambda, and even SMS text messages.

Which service would you use to configure alarms for your Amazon EC2 instances?

  • A. AWS CloudWatch
  • B. Amazon SNS
  • C. Service Quotas
  • D. AWS Health

Answer: A. AWS CloudWatch

Explanation: AWS CloudWatch allows you to create alarms that notify you when certain thresholds are breached.

True or False: You can use AWS Health events to alert you to potential issues with your AWS resources.

  • Answer: True

Explanation: AWS Health gives you visibility into service availability, providing relevant and timely information to help you manage events in progress.

Which AWS service can send you a notification when a certain threshold is reached or an unusual activity is detected?

  • A. Amazon SNS
  • B. AWS CloudWatch
  • C. Both A and B
  • D. None of the above

Answer: C. Both A and B

Explanation: Both Amazon SNS and AWS CloudWatch can send notifications based on specific thresholds or unusual activity.

True or False: AWS Service Quotas is used to send notifications about AWS services.

  • Answer: False

Explanation: AWS Service Quotas is an AWS service that enables you to manage your AWS service quotas. Amazon SNS can be used to send notifications about AWS services.

Where can you find a centralized view of your AWS service health?

  • A. AWS Service Quotas
  • B. AWS Health Dashboard
  • C. AWS CloudWatch
  • D. Amazon SNS

Answer: B. AWS Health Dashboard

Explanation: AWS Health Dashboard provides a personalized view of the status of your AWS services, and alerts you when your resources are impacted.

Interview Questions

What is Amazon Simple Notification Service (Amazon SNS)?

Amazon SNS is a fully managed notification service provided by Amazon. It provides a powerful, flexible, and convenient mechanism for organizing and designing scalable and robust messaging scenarios.

What are the main features of Amazon SNS?

Amazon SNS provides topics for high-throughput, push-based, many-to-many messaging. Using Amazon SNS topics, your publisher systems can distribute messages to a large number of subscriber systems, which include Amazon SQS queues, AWS Lambda functions, and HTTP/S webhooks.

What is the purpose of Service Quotas in AWS?

AWS Service Quotas allow you to view and manage your quotas (formerly known as limits) from a central location, for a wide range of AWS services.

How can you change an AWS Service Quota?

AWS Service Quotas allows you to request quota increases for adjustable quotas for various AWS services.

What is an AWS CloudWatch alarm?

Amazon CloudWatch alarms automatically send notifications or changes your resources status, based upon the specified metric.

How does AWS CloudWatch alarm work?

AWS CloudWatch alarms work by comparing a specific metrics with a defined threshold over a specific period. An alarm can be set for one or more periods.

Can you provide an example of using AWS CloudWatch alarms?

AWS CloudWatch alarms can be used to monitor an Amazon EC2 instance and automatically stop or terminate it if it’s idle for too long or if it surpasses a certain threshold of CPU utilization.

What are AWS Health events?

AWS Health provides ongoing visibility into your resource performance and the availability of your AWS services and accounts. Events are created by services for operational changes, like AWS Region issues or maintenance updates that require your attention.

How AWS Health events are categorized?

AWS Health events are categorized into issues, scheduled changes, and account notifications.

Can you configure notifications for AWS Health events?

Yes, you can configure notifications for AWS Health events to be delivered via AWS Personal Health Dashboard, Amazon Simple Notification Service (SNS), AWS Health API, or AWS CLI.

How can you view your current CloudWatch alarm configuration?

You can view your current Amazon CloudWatch alarm configuration in the AWS Management Console, AWS CLI, or using the CloudWatch API.

Can Amazon SNS send notifications to mobile devices?

Yes, Amazon SNS can send notifications to mobile devices using platform-specific protocols such as Apple Push Notification Service (APNs) and Google Cloud Messaging (GCM).

What are the steps to configure notifications for Amazon RDS using Amazon SNS?

To configure notifications for Amazon RDS, you would need to create an Amazon RDS event subscription with an SNS topic. The topic should have policies that allow Amazon RDS to post messages to it.

What happens when an AWS Service Quota is exceeded?

Exceeding an AWS Service Quota typically results in an error from that service, indicating that your quota has been exceeded. Some quotas trigger warnings rather than errors.

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