Exam Simulator: Design High-Performing Architectures – Part A

A company has just launched a gamification feature on its mobile app that stores the score of the players to a DynamoDB table. You have been tasked to design a solution to trigger a Lambda function whenever the LeaderBoard attribute of the PlayerScore table is updated. The Lambda function would post a congratulatory message on a social media network.

What’s the best solution that can be implemented to trigger the Lambda function on specific events?

Which of the following is not a scenario for using Kinesis Data Streams?

An IoT application requires a service that can collect, process, and analyze IoT telemetry data for machine learning in real-time. Which of the following is the most suitable AWS service to use for the application?

Which of the following AWS feature helps you ensure that you have the correct number of Amazon EC2 instances available to handle the load for your application?

Which of the following Amazon EBS volume types allows you to predictably scale to tens of thousands of IOPS (input/output operations per second) per EC2 instance?

Your Online Travel Agent (OTA) startup in California recently faced tremendous growth. Users from all over the world started using the APP. After investigation, you noticed 60% of the traffic was originated from Germany. Because of this, you decide to localize your content and present all of your website’s content in German to the users from Germany and English to the rest of the users. Also, you want all queries from Europe to be routed to an ELB load balancer in the Frankfurt region.

Which of the following services would allow you to fulfill this requirement?

Predictive scaling uses machine learning to analyze each resource’s historical workload and regularly forecasts the future load for the next two days, whereas Dynamic scaling creates target tracking scaling policies for the resources in your scaling plan. (True or False)

You have been tasked to migrate all of your company’s Windows-based applications to AWS. The only requirement is that the storage service must have full support for the Server Message Block protocol, Active Directory (AD) integration, and Distributed File System (DFS).

Which of the following storage service will be used to complete the migration according to the requirement?

An eCommerce marketplace uses an Auto Scaling group of EC2 instances, in multiple Availability Zones with an Application Load Balancer, to increase the availability and performance of the app. To better serve the users you decide to localize the content of the website, so each time users from Germany visit the site will be directed to de.marketplace.com and users from China to ch.marketplace.com.

Which of the following rule condition type allows you to route requests to multiple domains using a single load balancer?

You are working as a Solution Architect in a fintech startup that processes a high number of credit card validation requests every day. All the tech architecture has been migrated to the AWS to increase the performance.

What type of Amazon SQS queue will you use to processes a high number of credit card validation requests with no issues?

A startup company has a serverless architecture that uses AWS Lambda to run code without managing servers, Amazon S3 to store and retrieve any amount of data from anywhere on the web and DynamoDB. The startup is using AWS CodeDeploy to automates application deployments to Amazon EC2 instances, and serverless Lambda functions. A new feature it’s ready to be pushed to the production.

Which of the following deployment configuration type will allow you to shift from the original Lambda function to the updated Lambda function version all at once?

You have been tasked to build a web architecture using On-Demand EC2 instances and a database using AWS products. However, due to budget constraints, the company instructed you to choose an AWS database to avoid managing DB related tasks, such as hardware provisioning, setup, and configuration, replication, software patching, or cluster scaling.

Which of the following Amazon database service will you choose for the project?

You are working for a content management company as an AWS Architect. The company needs a storage service that provides the scale and performance the content management applications require such as high throughput and low-latency file operations. In addition, their data needs to be stored redundantly across multiple AZs and allows concurrent connections from multiple EC2 instances hosted on multiple AZs.

Which of the following AWS storage services is most suitable for the project?

A Linux instance running in your VPC requires some configuration changes to be implemented locally and you need to run some commands. Which of the following can be used to securely access the instance?

How can you grant additional permission to an individual ECS application container on an ECS cluster without granting additional permissions to other containers which run on the cluster?