What type of data solution should you use for data coming from nonrelational and relational data from IoT devices, websites, mobile apps, etc.?
Your database is an RDS instance running SQL Server with Multi-AZ replication and you have several older .NET console utilities that perform database operations every 15 seconds. When the cluster has to switch the primary database server to the secondary AZ, the .NET utilities start to report connection failures to the database although other applications are able to access the database. How do you correct this problem?
You want to make your public API quickly accessible from all regions. What is the best way to do this?
You have an analytics suite that produces reports about the usage patterns of your web application. After completing your migration to AWS and using Application Load Balancer to balance the load across your web application, your marketing department noticed that location-based reports on the web traffic only show traffic originating from a single location. What is the problem?
You have replicated the infrastructure that serves the backend API for your web application across regions to better serve your customers in the US and the EU. What is the best way to direct your web application at the nearest data center?
Your on-premise data center (172.16.128.0/24) is already connected to your AWS VPC (10.0.0.0/16) by a customer gateway. You wish to connect another data center for a company you just acquired (172.16.130.0/24) to your VPC as shown in the image. What is the best way to create this link?
You are migrating a 200 GB database from an on-premise SQL Server to RDS for SQL Server. The database needs to have minimal downtime during the migration. What is the best practice for migrating this database?
You have enabled Multi-Factor Authentication (MFA) for your AWS root account and you lost your MFA device. What do you need to do to recover access to your account?
You have recently launched your new web product and are expecting 1,000 new users each month. However, you have just received word from the CEO that your product will be featured at an upcoming conference covered by several media outlets, and this could lead to 20,000 new users over the next week. How do you plan for a sudden increase in traffic?
You have an application using a 100 GB MySQL database that you are migrating into AWS. What should you consider when deciding between whether to host the database on RDS for MySQL or Aurora?
What data store provides a simple and quick way of storing basic user attributes in an object-based format?
When using AWS for research and development ahead of a planned migration, how do you prevent unexpected increases or spikes in the billing?
Which AWS service can be used to help generate the documentation required by various compliance standards, such as Payment Card Industry Data Security Standard (PCI DSS) Level 1 for the handling of credit card data?
You are creating a DynamoDB table to store all movies that have been released since 1938. Your application will allow users to search by movie title and see the details of that film. Given the sample below showing the movie data that you will be importing, what is the best set of keys to apply to this table?
How do you architect a solution for an SQL Server database to be replicated across AWS regions in an active-active architecture?
For your AWS root account, you have generated a random password of the maximum allowed length and included special characters. Which additional steps should you take to secure your AWS root account?
You have a large amount of files on your network-attached storage array that must be archived and maintained for a period of 10 years due to industry regulations. This data will be infrequently accessed but must be kept What is the best AWS service for storing this data?
Which AWS service complies with the standards outlined in Payment Card Industry Data Security Standard (PCI DSS) Level 1 for the handling and transmission of credit card data?
What AWS services can help you automate your development pipeline for continuous integration and continuous deployment?
When launching an EC2 instance with an instance type that supports instance storage, what use case is best for instance storage?
A new developer has been added to the team and you have been asked to provide access to the organization’s AWS account. What is the best practice for granting access?
What’s the best practice for horizontally scaling a legacy ASP.NET web application that relies on Active Directory and is currently deployed to a single Windows EC2 instance?
What is the best practice for creating a highly available PostgreSQL database in RDS that can sustain the loss of a single AWS region?
You created a new Linux EC2 instance and installed PostgreSQL but you are not able to establish a connection to the server from your local computer. What steps do you take to resolve this issue?
You have several on-premise servers and would like to store your offsite backups on AWS. What fully managed backup service can you use to ship your backups to AWS?
You have a Linux EC2 web server that suddenly is timing out on all HTTP requests and your SSH connection attempts are timing out. You notice that it is failing the system status check in the EC2 console. What action should you take?
You are hosting an application configured to stream media to its clients on TCP ports 3380-3384, 3386-3388, and 3390. The Inbound tab below shows three incoming security group policies attached to this instance. Which policy should you use?
You have four front-end web servers behind a load balancer, which use NFS to access another EC2 instance that resizes and stores images for the front-end application. What security group policies should be assigned to these servers?
You created a Windows EC2 instance with a public IP address and installed SQL Server. When attempting to connect to SQL Server from SQL Server Enterprise Manager on your local computer, the Windows EC2 instance is unable to establish a connection to the server. What is the first thing you should check?
A principle of DevOps is to view infrastructure as code. Which AWS service allows you to script your AWS infrastructure?
When designing a serverless web application using Lambda, what key concept must you factor into your design?
In the S3 console, underneath the Access column, what does the public badge next to the bucket name indicate?
You have a UDP load balancer that is created by an instance that is running an NGINX proxy. Your application performance management (APM) solution can detect failures in your load balancer instance and transfer the Elastic IP to a passive standby instance. Using the AWS CLI, which script do you program into your APM to move the Elastic IP?
If a set of servers are located within a private subnet of your VPC, how can you connect those servers to on-premise servers?
