AWS Test

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?

COST

EASE OF MAINTENANCE VS. GRANULARITY OF CONTROL

ALL OF THESE ANSWERS

THE CURRENT STORAGE ENGINE USED BY THE APPLICATION, SUCH AS INNODB OR MYISAM

Which database is a NoSQL database type that can quickly store and retrieve key-value pairs?

AURORA

RDS FOR MYSQL

DYNAMODB

NEPTUNE

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?

THE SERVER RUNNING THE .NET UTILITIES IS CACHING THE DNS LOOKUP ON THE DATABASE CLUSTER ADDRESS. FLUSH THE DNS CACHE OF THE SERVER AND FORCE THE C# UTILITIES TO OPEN NEW CONNECTIONS TO THE DATABASE.

A .NET APPLICATION WILL RETAIN THE IP ADDRESS OF A CONNECTION STRING UNTIL THE HOST MACHINE IS REBOOTED.

THE .NET UTILITIES NEED TO CHANGE THE SQL SERVER ENDPOINT IN THE CONNECTION STRINGS TO READ FROM THE SECONDARY DATABASE SERVER USING A TRY/CATCH.

USE THE RDS CONSOLE TO FORCE A REBOOT OF THE DATABASE INSTANCE SO THAT THE PRIMARY SERVER BECOMES THE MASTER SERVER AGAIN.

What AWS services can help you automate your development pipeline for continuous integration and continuous deployment?

ALL OF THESE ANSWERS

CODEPIPELINE

CODEBUILD

CODEDEPLOY

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?

ALL OF THESE ANSWERS

SIMPLE QUEUE SERVICE (SQS)

API GATEWAY

KINESIS DATA STREAMS

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?

EBS

EFS

SNOWBALL

S3 GLACIER

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?

CREATE AN IAM ROLE FOR THE ACCOUNT ADMINISTRATOR WITH THE HIGHEST PRIVILEGES AND DO NOT USE THE ROOT ACCOUNT IN DAY-TO-DAY OPERATIONS. ENABLE TWO-FACTOR AUTHENTICATION ON THE ROOT ACCOUNT.

STORE YOUR RANDOMLY GENERATED PASSWORD IN YOUR ORGANIZATIONAL SECRETS DATABASE USING A SERVICE SUCH AS 1PASSWORD OR LASTPASS, AND ONLY GRANT ACCESS TO THIS SECRET TO THE DEVOPS TEAM.

CREATE IAM ACCOUNTS FOR YOUR ADMINISTRATORS AND ATTACH THE ADMINISTRATORACCESS POLICY TO THEIR ACCOUNTS. DISABLE THE ROOT ACCOUNT IN THE USER SETTINGS.

CREATE AN IAM ROLE FOR THE ACCOUNT ADMINISTRATOR WITH THE HIGHEST PRIVILEGES. DO NOT STORE THE ROOT PASSWORD, BUT WHEN THE ROOT ACCOUNT IS NEEDED, RESET THE PASSWORD ON THE ROOT ACCOUNT VIA EMAIL CONFIRMATION AND REPEAT THIS PROCEDURE.

Which elastic load Balancing option supports Lambda as a target?

CLASSIC LOAD BALANCER

NETWORK LOAD BALANCER

APPLICATION LOAD BALANCER

LAMBDA CAN NOT BE CALLED DIRECTLY BY INCOMING WEB REQUESTS, YOU MUST USE API GATEWAY.

How do you architect a solution for an SQL Server database to be replicated across AWS regions in an active-active architecture?

USE A VPN OR VPC PEERING TO ESTABLISH A CONNECTION BETWEEN THE VPCS IN EACH REGION. INSTALL SQL SERVER ENTERPRISE EDITION ON EC2 INSTANCES IN EACH REGION AND CONFIGURE AN ALWAYS ON AVAILABILITY GROUP.

USE RDS FOR SQL SERVER AND CREATE THE SAME INSTANCE IN TWO DIFFERENT REGIONS. USE DATABASE MIGRATION SERVICE TO KEEP EACH DATABASE IN SYNC.

USE RDS FOR SQL SERVER 2016 OR 2017 ENTERPRISE EDITION. ENABLE MULTI-AZ SUPPORT AND SELECT THE MIRRORING / ALWAYS ON OPTION. SELECT ANOTHER REGION FOR THE MIRRORING OPTION.

YOU CAN NOT SET UP AN ACTIVE-ACTIVE ARCHITECTURE FOR SQL SERVER THAT SPANS GEOGRAPHIC REGIONS.

What does it cost to launch an EC2 instance from the AWS Marketplace?

ALL IMAGES IN THE AWS MARKETPLACE CONTAIN ONLY OPEN-SOURCE SOFTWARE WITH NO ADDITIONAL FEES AND ARE CREATED BY OTHER AWS USERS. YOU WILL ONLY PAY FOR THE INSTANCE SIZE YOU SELECT.

EACH IMAGE HAS ITS OWN PRICING THAT COULD EITHER BE FREE, OR INCLUDE CHARGES FOR SOFTWARE LICENSING COSTS. YOU WILL ALSO PAY FOR THE INSTANCE THE IMAGE RUNS ON.

ALL IMAGES IN THE AWS MARKETPLACE INCUR ADDITIONAL HOURLY FEES IN ADDITION TO THE CHARGES FROM THE INSTANCE SIZE YOU SELECT.

YOU CAN ONLY LAUNCH IMAGES THAT WERE CREATED BY OTHER USERS ON YOUR AWS ACCOUNT, SO YOU ONLY PAY FOR THE INSTANCE SIZE YOU SELECT AND THE S3 STORAGE COSTS FOR THE BASE IMAGE.

When using an ECS cluster with EC2 instances, what maintenance tasks should you perform on the EC2s?

ECS CLUSTERS DO NOT USE EC2 INSTANCES.

YOU SHOULD NOT DIRECTLY MANIPULATE THE EC2 INSTANCES CREATED BY ECS. AWS WILL AUTOMATICALLY UPDATE THESE INSTANCES.

THE INSTANCES CREATED BY ECS DO NOT HAVE PATCHES THAT NEED TO BE APPLIED; HOWEVER, YOU SHOULD MAKE SURE YOUR CONTAINERS CONTAIN ANY IMPORTANT SECURITY UPDATES.

REFRESH THE CLUSTER WITH INSTANCES BUILT FROM THE LATEST ECS AMI.

What in-memory caching server is NOT supported by ElastiCache?

REDIS 5

REDIS 3

MEMCACHED

ELASTICSEARCH

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?

ARTIFACT

SECRETS MANAGER

PRINT OUT THE AWS COMPLIANCE SUMMARY AND KEEP IT WITH YOUR REQUIRED DOCUMENTATION FOR AN AUDIT.

DOCUMENTDB

When using AWS for research and development ahead of a planned migration, how do you prevent unexpected increases or spikes in the billing?

USE THE BILLING DASHBOARD TO CREATE A COST BUDGET. INPUT THE MAX AMOUNT YOU WANT TO BE CHARGED EACH MONTH. ANY CHARGES THAT OCCUR OVER THIS AMOUNT WILL CAUSE AWS TO AUTOMATICALLY SUSPEND THOSE RESOURCES.

IF YOU ARE USING THE AWS FREE TIER, YOU WILL HAVE TO CONFIRM THE USAGE OF ANY SERVICE THAT GOES OVER THE AWS FREE TIER LIMITS.

USING THE ROOT AWS ACCOUNT, ACTIVATE IAM ACCESS TO THE BILLING INFORMATION FOR THE ACCOUNT. MAKE SURE YOUR IAM USERS HAVE THE BILLINGFULLACCESSGROUP POLICY. THEN FROM THE BILLING DASHBOARD, CHECK THE ACCRUED CHARGES ONCE A DAY.

USING THE ROOT AWS ACCOUNT, ENABLE BILLING ALERTS IN THE USER PREFERENCES. THEN USE CLOUDWATCH TO CREATE A BILLING ALARM AND SET A THRESHOLD TO A SPECIFIC DOLLAR AMOUNT FOR YOUR ESTIMATED MONTHLY CHARGES.

What data store provides a simple and quick way of storing basic user attributes in an object-based format?

RDS FOR ORACLE

REDSHIFT

NEPTUNE

DYNAMODB

You need a schemaless database. Which Amazon database service provides that solution?

AURORA

REDSHIFT

DYNAMODB

RDS

You have an application that needs to send real-time alerts to your users. You subscribe your application users to an SNS topic to generate these real-time alerts. Which communication channel does SNS NOT support natively?

SMS TEXT MESSAGE

EMAIL

PUSH NOTIFICATION

AUTOMATED PHONE CALL

When designing a serverless web application using Lambda, what key concept must you factor into your design?

LAMBDA ONLY ALLOWS YOU TO WRITE FUNCTIONS IN JAVASCRIPT.

LAMBDA IS STATELESS, SO IT WON'T REMEMBER WHO A USER IS IN BETWEEN REQUESTS.

SERVERLESS WEB APPLICATIONS RUN WITHIN THE WEB BROWSER OF THE USER, SO YOU WILL NEED TO STORE ANY DATA THE USER CHANGES DIRECTLY IN A DATABASE.

LAMBDA DOES NOT USE SERVERS, SO IT CAN ONLY RETURN THE SAME REQUEST TO EVERY USER.

A principle of DevOps is to view infrastructure as code. Which AWS service allows you to script your AWS infrastructure?

AWS CONFIG

CLOUDFORMATION

CLOUDTRAIL

AWS SERVICE CATALOG

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?

VERIFY THAT YOU ARE CONNECTING TO THE INSTANCE USING A USER THAT IS NOT SA.

CHECK THE POLICIES WITHIN WINDOWS FIREWALL.

CHECK THE ROUTING TABLES FOR THE VPC.

VERIFY THAT THE ASSIGNED SECURITY GROUPS ALLOW TCP PORT 1433 TRAFFIC FROM YOUR CURRENT IP ADDRESS.

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?

ASSIGN ELASTIC IPS TO ALL OF THE INSTANCES AND CREATE A GROUP THAT ALLOWS ALL TRAFFIC TO PASS BETWEEN EACH OF THE FIVE ELASTIC IP ADDRESSES AND ALLOW ALL INBOUND HTTPS TRAFFIC.

FRONT-END WEB SERVERS SHOULD ALLOW HTTPS. ASSIGN ANOTHER GROUP TO ALL OF THE INSTANCES THAT ALLOWS ALL TRAFFIC TO PASS BETWEEN INSTANCES USING THAT GROUP.

CREATE A SECURITY GROUP THAT ALLOWS INBOUND HTTP AND HTTPS TRAFFIC FROM ALL IP ADDRESSES AND APPLY THIS TO THE WEB SERVERS. CREATE A SECOND SECURITY GROUP FOR THE NFS FILESTORE THAT ALLOWS OUTBOUND NFS TRAFFIC TO THE PRIVATE IP RANGE OF THE FRONT-END WEB SERVERS.

CREATE A SECURITY GROUP THAT ALLOWS INBOUND NFS, HTTP, AND HTTPS TRAFFIC FROM ALL IP ADDRESSES. APPLY THIS GROUP TO ALL OF THE SERVERS.

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?

CONTACT AWS SUPPORT. FAILING A SYSTEM STATUS CHECK INDICATES A FAILURE IN THE UNDERLYING HARDWARE AND MUST BE ADDRESSED BY AN AWS REPRESENTATIVE.

RESTORE THE INSTANCE FROM THE LAST AMI IMAGE. SYSTEM STATUS CHECKS INDICATE THAT THE FILESYSTEM ON THE INSTANCE IS CORRUPTED.

REBOOT THE INSTANCE. THIS WILL STOP AND START THE INSTANCE AND MOVE IT TO ANOTHER HOST.

STOP AND START THE INSTANCE. THIS WILL MOVE THE INSTANCE TO ANOTHER HOST.

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?

SYNC FILES DIRECTLY TO S3 WITH THE AWS CLI.

USE THE RDS CONSOLE TO FORCE A REBOOT OF THE DATABASE INSTANCE SO THAT THE PRIMARY SERVER BECOMES THE MASTER SERVER AGAIN.

WINDOWS SERVER 2016 SUPPORTS S3 AS A TARGET WHEN USING STORAGE REPLICAS.

USE STORAGE GATEWAY.

What is the best practice for creating a highly available PostgreSQL database in RDS that can sustain the loss of a single AWS region?

POSTGRESQL CANNOT BE REPLICATED ACROSS REGIONS. RESTORE THE DATABASE BACKUPS FROM AN S3 BUCKET AND REPOINT YOUR DATABASE CONNECTIONS TO THE NEW INSTANCE.

CREATE READ REPLICAS IN OTHER AWS REGIONS. YOU CAN DESIGNATE A NEW MASTER DATABASE FROM ANY OF THE READ REPLICAS UNTIL THE REGIONAL FAILURE IS RESOLVED.

VERIFY THAT YOUR INSTANCE IS CONFIGURED FOR MULTI-AZ SUPPORT. DATABASE CHANGES WILL BE AUTOMATICALLY SYNCED TO ANOTHER REGION IN THE EVENT OF A FAILURE AND RDS WILL AUTOMATICALLY SELECT A NEW MASTER UNTIL THE REGIONAL FAILURE IS RESOLVED.

CREATE READ REPLICAS IN OTHER AWS REGIONS. ENSURE READ OPERATIONS AGAINST THE DATABASE OCCUR ON AN AVAILABLE READ REPLICA, AND SEND WRITE OPERATIONS TO ANOTHER REGION IF YOU NEED TO PROMOTE A READ REPLICA TO A STANDALONE DATABASE IF THE MASTER IS DOWN.

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?

CREATE A SECURITY GROUP RULE THAT ALLOWS ALL TRAFFIC FROM 0.0.0.0/0. THIS WILL VERIFY WHETHER OR NOT ANOTHER RULE IS DENYING THE TRAFFIC.

VERIFY THAT THE ASSIGNED SECURITY GROUPS ALLOW TRAFFIC FROM YOUR IP ADDRESS TO PORT 5432. VERIFY THAT POSTGRESQL IS CONFIGURED TO LISTEN TO EXTERNAL TRAFFIC AND IS BOUND TO THE PUBLIC INTERFACE.

MAKE SURE THAT YOU ARE USING AN ELASTIC IP AND THAT IT IS INCLUDED WITHIN THE POSTGRESQL.CONF CONFIGURATION FILE.

STOP AND START THE INSTANCE. NEW SECURITY GROUP RULES WILL ONLY TAKE EFFECT AFTER A RESTART.

As your web application grows and your application monitoring needs become more complex, which additional log monitoring services should you NOT consider?

NEW RELIC

DATADOG

ELK STACK: ELASTICSEARCH, LOGGLY, AND KIBANA

PRTG

To comply with auditing requirements of some compliance standards, which AWS tool can be enabled to maintain an audit log of access and changes to your AWS infrastructure?

GUARDDUTY

AWS AUDIT AND COMPLIANCE TOOL

CLOUDTRAIL

CLOUDWATCH

An EC2 instance running a WordPress site keeps getting hacked, even though you have restored the server several times and have patched WordPress. What AWS service can help you detect and prevent further attacks?

CLOUDWATCH

SHIELD

GUARDDUTY

SECURITY ADVISOR

If you need to store large streams of user activity data coming from both web and mobile applications, and you need to generate aggregated reports on usage patterns, which database is the best choice?

REDSHIFT

RDS FOR SQL SERVER

AURORA

NEPTUNE

What option is best for Auto Scaling your EC2 instances for predictable traffic patterns?

MAINTAIN CURRENT LEVELS AT ALL TIMES

SCALE BASED ON A SCHEDULE

SCALE BASED ON DEMAND

MANUAL SCALING

You want to make your public API quickly accessible from all regions. What is the best way to do this?

CREATE A PRIVATE API GATEWAY ENDPOINT FOR EACH REGION.

CREATE A SINGLE API GATEWAY ENDPOINT IN A CENTRAL REGION.

CREATE EDGE-OPTIMIZED API GATEWAY ENDPOINTS AND DEPLOY THEM TO A CLOUDFRONT NETWORK.

CREATE A REGIONAL API GATEWAY ENDPOINT FOR EACH REGION.

What is the best EC2 instance class for a server that continuously has a heavy CPU load?

T2

C5

H1

R5

In addition to CloudFormation, you can use other orchestration tools to automate server formation and maintenance. Which tool is NOT an efficient choice for the orchestration of a large infrastructure?

PUPPET

CHEF

VAGRANT

ANSIBLE

Your application is sending 50,000 emails through SES each day. Since you must maintain a low bounce rate to avoid being put on probation, what simple system do you architect to automatically process hard bounces?

CONFIGURE SES TO SEND THE LOGS OF ALL DELIVERY ATTEMPTS THROUGH KINESIS FIREHOSE. PROCESS EACH EVENT AND LOOK FOR BOUNCE TYPES AND REMOVE THESE EMAILS FROM YOUR LIST.

SEND ALL EMAIL THROUGH SES WITH A CUSTOM REPLY-TO HEADER. CONFIGURE SES TO LISTEN FOR EVENTS ON THIS EMAIL ADDRESS AND FLAG ANY EMAIL ADDRESS THAT REPLIES TO THIS ACCOUNT AS A BOUNCED MESSAGE AND REMOVE IT FROM YOUR EMAIL LIST.

CONFIGURE SES TO NO LONGER SEND TO EMAIL ADDRESSES THAT ARE ON YOUR BOUNCE LIST.

CONFIGURE SES TO SEND ALL BOUNCE EVENTS TO AN SNS TOPIC. CREATE A LAMBDA FUNCTION THAT PROCESSES EACH HARD BOUNCE EVENT AND AUTOMATICALLY FLAGS THAT ACCOUNT AS A BOUNCE IN YOUR APPLICATION TO PREVENT FURTHER SENDING ATTEMPTS.

Your web application is getting a suspicious amount of bad requests from foreign IP addresses. Your business is only operating in a few countries and you would like to block any other traffic. What is the best practice for limiting access to your web application by country?

HOST THE FRONT END OF YOUR WEBSITE IN CLOUDFRONT AND CONFIGURE A GEO RESTRICTION ON THE DISTRIBUTION.

USE WEB APPLICATION FIREWALL AND CREATE A GEO MATCH CONDITION TO DROP ALL REQUESTS FROM COUNTRIES THAT AREN'T ON YOUR ALLOW LIST.

USE APPLICATION LOAD BALANCER TO CREATE A NEW ROUTING RULE THAT LOOKS AT SOURCE IP ADDRESS. ADD AN IP BLOCK FOR THE COUNTRIES THAT HAVE ACCESS.

USE CLOUDTRAIL TO MONITOR THE IP ADDRESSES OF THE BAD REQUESTS. USE LAMBDA TO ADD THESE IP ADDRESSES TO AN APPLICATION LOAD BALANCER RULE THAT BLOCKS THE IPS.

You are building an application that needs a database to store some basic user attributes as well as an object that includes a list of movies the user would like to watch someday. You do not have any reporting needs for this database. What is a simple and quick data store for this type of data?

NEPTUNE

DYNAMODB

RDS FOR ORACLE

REDSHIFT

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?

VERIFY THAT THE ASSIGNED SECURITY GROUPS ALLOW TRAFFIC FROM YOUR IP ADDRESS TO PORT 5432. VERIFY THAT POSTGRESQL IS CONFIGURED TO LISTEN TO EXTERNAL TRAFFIC AND IS BOUND TO THE PUBLIC INTERFACE.

MAKE SURE THAT YOU ARE USING AN ELASTIC IP AND THAT IT IS INCLUDED WITHIN THE POSTGRESQL.CONF CONFIGURATION FILE.

STOP AND START THE INSTANCE. NEW SECURITY GROUP RULES WILL ONLY TAKE EFFECT AFTER A RESTART.

CREATE A SECURITY GROUP RULE THAT ALLOWS ALL TRAFFIC FROM 0.0.0.0/0. THIS WILL VERIFY WHETHER OR NOT ANOTHER RULE IS DENYING THE TRAFFIC.

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Exams you want to pass:

Exam Type:	AWS MCQ Skill Test
Questions Type:	Multiple Choice Questions
Total Questions:	37
Time Limit:	30 Minutes
Last Update	June, 2025

Pass AWS Exam

AWS Quiz

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?

Which database is a NoSQL database type that can quickly store and retrieve key-value pairs?

What AWS services can help you automate your development pipeline for continuous integration and continuous deployment?

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?

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?

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?

Which elastic load Balancing option supports Lambda as a target?

How do you architect a solution for an SQL Server database to be replicated across AWS regions in an active-active architecture?

What does it cost to launch an EC2 instance from the AWS Marketplace?

When using an ECS cluster with EC2 instances, what maintenance tasks should you perform on the EC2s?

What in-memory caching server is NOT supported by ElastiCache?

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?

When using AWS for research and development ahead of a planned migration, how do you prevent unexpected increases or spikes in the billing?

What data store provides a simple and quick way of storing basic user attributes in an object-based format?

You need a schemaless database. Which Amazon database service provides that solution?

You have an application that needs to send real-time alerts to your users. You subscribe your application users to an SNS topic to generate these real-time alerts. Which communication channel does SNS NOT support natively?

When designing a serverless web application using Lambda, what key concept must you factor into your design?

A principle of DevOps is to view infrastructure as code. Which AWS service allows you to script your AWS infrastructure?

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 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 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?

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?

As your web application grows and your application monitoring needs become more complex, which additional log monitoring services should you NOT consider?

To comply with auditing requirements of some compliance standards, which AWS tool can be enabled to maintain an audit log of access and changes to your AWS infrastructure?

An EC2 instance running a WordPress site keeps getting hacked, even though you have restored the server several times and have patched WordPress. What AWS service can help you detect and prevent further attacks?

If you need to store large streams of user activity data coming from both web and mobile applications, and you need to generate aggregated reports on usage patterns, which database is the best choice?

What option is best for Auto Scaling your EC2 instances for predictable traffic patterns?

You want to make your public API quickly accessible from all regions. What is the best way to do this?

What is the best EC2 instance class for a server that continuously has a heavy CPU load?

In addition to CloudFormation, you can use other orchestration tools to automate server formation and maintenance. Which tool is NOT an efficient choice for the orchestration of a large infrastructure?

Your application is sending 50,000 emails through SES each day. Since you must maintain a low bounce rate to avoid being put on probation, what simple system do you architect to automatically process hard bounces?

Your web application is getting a suspicious amount of bad requests from foreign IP addresses. Your business is only operating in a few countries and you would like to block any other traffic. What is the best practice for limiting access to your web application by country?

You are building an application that needs a database to store some basic user attributes as well as an object that includes a list of movies the user would like to watch someday. You do not have any reporting needs for this database. What is a simple and quick data store for this type of data?

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?

AWS Test Explained