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AWS Cloud Solutions Knowledge Quiz

A visually engaging illustration of cloud computing concepts with an emphasis on AWS architecture, including elements like EC2, RDS, and cloud security, with a background depicting a digital landscape.

AWS Cloud Solutions Knowledge Quiz

Test your expertise in AWS cloud solutions with our comprehensive quiz designed for DevOps engineers and cloud enthusiasts. This quiz covers various aspects of AWS architecture, best practices, and deployment strategies.

Whether you're looking to solidify your knowledge or prepare for certification, this quiz is an excellent resource for you. Key features include:

10 challenging questions
Multiple choice and checkbox formats
Feedback on your performance

10 Questions2 MinutesCreated by CodingCloud72

A company develops and maintains a web application using Amazon EC2 instances and an Amazon RDS for SQL Server DB instance in a single Availability Zone The resources need to run only when new deployments are being tested using AWS CodePipeline. Testing occurs one or more times a week and each test takes 2-3 hours to run. A DovOps engineer wants a solution that does not change the architecture components. Which solution will meet these requirements in the MOST cost-effective manner?

Convert the RDS database to an Amazon Aurora Serverless database Use an AWS Lambda function to start and stop the EC2 instances before and after tests

Put the EC2 instances into an Auto Scaling group. Schedule scaling to run at the start of the deployment tests.

Replace the EC2 instances with EC2 Spot Instances and the RDS database with an RDS Reserved Instance.

Subscribe Amazon CloudWatch Events to CodePipeline to trigger AWS Systems Manager Automation documents that start and stop all EC2 and RDS instances before and after deployment tests.

A company is testing a web application that runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Auto Scaling group across multiple Availability Zones. The company uses a blue/green deployment process with immutable instances when deploying new software. During testing, users are being automatically logged out of the application at random times. Testers also report that, when a new version of the application is deployed, all users are logged out. The Development team needs a solution to ensure users remain logged in across scaling events and application deployments. What is the MOST efficient way to ensure users remain logged in?

Enable smart sessions on the load balancer and modify the application to check for an existing session.

Enable session sharing on the load balancer and modify the application to read from the session store.

Store user session information in an Amazon S3 bucket and modify the application to read session information from the bucket.

Modify the application to store user session information in an Amazon ElastiCache cluser.

A company has several AWS accounts. The accounts are shared and used across multiple teams globally, primarily for Amazon EC2 instances. Each EC2 instance has tags for team, environment, and cost center to ensure accurate cost allocations. How should a DevOps Engineer help the teams audit their costs and automate infrastructure cost optimization across multiple shared environments and accounts?

Set up a scheduled script on the EC2 instances to report utilization and store the instances in an Amazon DynamoDB table. Create a dashboard in Amazon QuickSight with DynamoDB as the source data to find underutilized instances. Set up triggers from Amazon QuickSight in AWS Lambda to reduce underutilized instances.

Create a separate Amazon CloudWatch dashboard for EC2 instance tags based on cost center, environment, and team, and publish the instance tags out using unique links for each team. For each team, set up a CloudWatch Events rule with the CloudWatch dashboard as the source, and set up a trigger to initiate an AWS Lambda function to reduce underutilized instances.

Create an Amazon CloudWatch Events rule with AWS Trusted Advisor as the source for low utilization EC2 instances. Trigger an AWS Lambda function that filters out reported data based on tags for each team, environment, and cost center, and store the Lambda function in Amazon S3. Set up a second trigger to initiate a Lambda function to reduce underutilized instances.

Use AWS Systems Manager to track instance utilization and report underutilized instances to Amazon CloudWatch. Filter data in CloudWatch based on tags for team, environment, and cost center. Set up triggers from CloudWatch into AWS Lambda to reduce underutilized instances

A consulting company was hired to assess security vulnerabilities within a client company's application and propose a plan to remediate all identified issues. The architecture is identified as follows: Amazon S3 storage for content, an Auto Scaling group of Amazon EC2 instances behind an Elastic Load Balancer with attached Amazon EBS storage, and an Amazon RDS MySQL database. There are also several AWS Lambda functions that communicate directly with the RDS database using connection string statements in the code. The consultants identified the top security threat as follows: the application is not meeting its requirement to have encryption at rest. What solution will address this issue with the LEAST operational overhead and will provide monitoring for potential future violations?

Enable SSE encryption on the S3 buckets and RDS database. Enable OS-based encryption of data on EBS volumes. Configure Amazon Inspector agents on EC2 instances to report on insecure encryption ciphers. Set up AWS Config rules to periodically check for non-encrypted S3 objects

Configure the application to encrypt each file prior to storing on Amazon S3. Enable OS-based encryption of data on EBS volumes. Encrypt data on write to RDS. Run cron jobs on each instance to check for encrypted data and notify via Amazon SNS. Use S3 Events to call an AWS Lambda function and verify if the file is encrypted.

Enable Secure Sockets Layer (SSL) on the load balancer, ensure that AWS Lambda is using SSL to communicate to the RDS database, and enable S3 encryption. Configure the application to force SSL for incoming connections and configure RDS to only grant access if the session is encrypted. Configure Amazon Inspector agents on EC2 instances to report on insecure encryption ciphers.

Enable SSE encryption on the S3 buckets, EBS volumes, and the RDS database. Store RDS credentials in EC2 Parameter Store. Enable a policy on the S3 bucket to deny unencrypted puts. Set up AWS Config rules to periodically check for non-encrypted S3 objects and EBS volumes, and to ensure that RDS storage is encrypted.

A company is migrating its public-facing software to AWS. The company plans to use Amazon EC2 to run application code and Amazon RDS to store all application data. The company wants to primarily use one Region with failover capabilities to a secondary Region and Amazon Route 53 to route traffic. The RPO is 2 hours and the RTO is 4 hours. Which combination of steps should be used to meet these requirements while MINIMIZING cost? {Select THREE.)

Create an AWS CloudFormation template to provision the application server and database instance in a single Region.

Create an AWS CloudFormation template to provision the application tier of the application and a multi-Region database instance.

Configure Amazon CloudWatch Events rules to run every hour. Trigger AWS Lambda functions to create an RDS snapshot and copy it to the secondary Region.

Configure Amazon CloudWatch Events rules to run every 3 hours. Trigger AWS Lambda functions to create an RDS snapshot and copy it to the secondary Region.

E. In the event of a failure, deploy a new AWS CloudFormation stack in a secondary region to provision the application resources and a new RDS instance using the copied snapshot and a Route 53 failover routing policy.

In the event of a failure, deploy a new AWS CloudFormation stack in a secondary region to provision the application resources and a replica of the RDS database using the copied snapshot and a Route 53 latency-based routing policy.

A company runs a database on a single Amazon EC2 instance in a development environment. The data is stored on separate Amazon EBS volumes that are attached to the EC2 instance. An Amazon Route 53 A record has been created and configured to point to the EC2 instance. The company would like to automate the recovery of the database instance when an instance or Availability Zone (AZ) fails. The company also wants to keep its costs low. The RTO is 4 hours and RPO is 12 hours. Which solution should a DevOps Engineer implement to meet these requirements?

Run the database in an Auto Scaling group with a minimum and maximum instance count of 1 in multiple AZs. Add a lifecycle hook to the Auto Scaling group and define an Amazon CloudWatch Events rule that is triggered when a lifecycle event occurs. Have the CloudWatch Events rule invoke an AWS Lambda function to detach or attach the Amazon EBS data volumes from the EC2 instance based on the event. Configure the EC2 instance UserData to mount the data volumes (retry on failure with a short delay), then start the database and update the Route 53 record.

Run the database on two separate EC2 instances in different AZs with one active and the other as a standby. Attach the data volumes to the active instance. Configure an Amazon CloudWatch Events rule to invoke an AWS Lambda function on EC2 instance termination. The Lambda function launches a replacement EC2 instance. If the terminated instance was the active node, then the function attaches the data volumes to the standby node. Start the database and update the Route 53 record.

Run the database in an Auto Scaling group with a minimum and maximum instance count of 1 in multiple AZs. Create an AWS Lambda function that is triggered by a scheduled Amazon CloudWatch Events rule every 4 hours to take a snapshot of the data volume and apply a tag. Have the instance UserData get the latest snapshot, create a new volume from it, and attach and mount the volume. Then start the database and update the Route 53 record.

Run the database on two separate EC2 instances in different AZs. Configure one of the instances as a master and the other as a standby. Set up replication between the master and standby instances. Point the Route 53 record to the master. Configure an Amazon CloudWatch Events rule to invoke an AWS Lambda function upon the EC2 instance termination. The Lambda function launches a replacement EC2 instance. If the terminated instance was the active node, the function promotes the standby to master and points the Route 53 record to it.

A DevOps engineer needs to back up sensitive Amazon S3 objects that are stored within an S3 bucket with a private bucket policy using S3 cross-Region replication functionality. The objects need to be copied to a target bucket In a different AWS Region and account. Which combination of actions should be performed to enable this replication? (Select THREE.)

Create a replication IAM role in the source account.

Create a replication IAM role in the target account.

Add statements to the source bucket policy allowing the replication IAM role to replicate objects

Add statements to the target bucket policy allowing the replication IAM role to replicate objects.

Create a replication rule in the source bucket to enable the replication.

Create a replication rule in the target bucket to enable the replication

A company's application is currently deployed to a single AWS Region. Recently, the company opened a new office on a different continent. The users in the new office are experiencing high latency. The company's application runs on Amazon EC2 instances behind an Application Load Balancer (ALB) and uses Amazon DynamoDB as the database layer. The instances run in an EC2 Auto Scaling group across multiple Availability Zones. A DevOps Engineer is tasked with minimizing application response times and improving availability for users in both Regions. Which combination of actions should be taken to address the latency issues? (Choose three.)

Create a new DynamoDB table in the new Region with cross-Region replication enabled.

Create new ALB and Auto Scaling group resources in the new Region and configure the new ALB to direct traffic to the new Auto Scaling group.

Create Amazon Route 53 records, health checks, and latency-based routing policies to route to the ALB

Create Amazon Route 53 aliases, health checks, and failover routing policies to route to the ALB.

Convert the DynamoDB table to a global table.

A company is using several AWS CloudFormation templates for deploying infrastructure as code. In most of the deployments, the company uses Amazon EC2 Auto Scaling groups. A DevOps Engineer needs to update the AMIs for the Auto Scaling group in the template if newer AMIs are available. How can these requirements be met?

Manage the AMI mappings in the CloudFormation template. Use Amazon CloudWatch Events for detecting new AMIs and updating the mapping in the template. Reference the map in the launch configuration resource block.

Use conditions in the AWS CloudFormation template to check if new AMIs are available and return the AMI ID. Reference the returned AMI ID in the launch configuration resource block.

Use an AWS Lambda-backed custom resource in the template to fetch the AMI IDs. Reference the returned AMI ID in the launch configuration resource block.

Launch an Amazon EC2 m4.small instance and run a script on it to check for new AMIs. If new AMIs are available, the script should update the launch configuration resource block with the new AMI ID.

After a recent audit, a company decided to implement a new disaster recovery strategy for Its Amazon S3 data and its MySQL database running on Amazon EC2. Management wants the ability to recover to a secondary AWS Region with an RPO under 5 seconds and a RTO under 1 minute. Which actions will meet the requirements while MINIMIZING operational overhead? (Select TWO.)

Modify the application to write to both Regions at the same time when uploading objects to Amazon S3

Migrate the database to an Amazon Aurora multi-master in the primary and secondary Regions.

Migrate the database to Amazon RDS with a read replica in the secondary Region

Migrate to Amazon Aurora Global Database

Set up S3 cross-Region replication with a replication SLA for the S3 buckets where objects are being put.

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