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#1. Which AWS service would you use to securely store and manage sensitive information like API keys, database credentials, and passwords?
Explanation: AWS Secrets Manager is designed to securely store, retrieve, and manage sensitive information like API keys and credentials. It also allows you to rotate secrets automatically.
#2. You need to set up a highly available, scalable DNS service for your application. Which AWS service should you use?
Explanation: Amazon Route 53 is a scalable Domain Name System (DNS) web service designed to route users to internet applications by translating domain names into IP addresses.
#3. Your application needs to process millions of messages per day asynchronously. Which AWS service is best suited for this purpose?
Explanation: Amazon Simple Queue Service (SQS) is a fully managed message queuing service that allows you to decouple and scale microservices, distributed systems, and serverless applications.
#4. Which service helps you monitor application logs in real-time?
Explanation: Amazon CloudWatch Logs lets you monitor, store, and access your application logs, enabling you to troubleshoot system performance issues in real-time.
#5. Which AWS service allows you to automate and manage infrastructure as code?
Explanation: AWS CloudFormation enables you to use templates to define and provision your infrastructure as code, making deployment faster and more consistent.
#6. Which AWS service is ideal for running serverless applications using event-driven architecture?
Explanation: AWS Lambda allows you to run code in response to events without provisioning or managing servers, supporting a fully serverless architecture.
#7. Which service provides automated threat detection for your AWS accounts and workloads?
Explanation: Amazon GuardDuty is a threat detection service that continuously monitors for malicious activity and unauthorized behavior to protect your AWS accounts.
#8. What AWS tool helps estimate the monthly cost of your infrastructure before you deploy resources?
Explanation: AWS Pricing Calculator helps you estimate the cost of your AWS cloud infrastructure by allowing you to select and configure services.
#9. Which AWS service is primarily used for data warehousing and analytics?
Explanation: Amazon Redshift is a fully managed data warehouse service that enables fast queries across petabytes of data for business intelligence and analytics.
#10. Your company wants to accelerate content delivery by caching it at locations closer to end-users. Which AWS service would you use?
Explanation: Amazon CloudFront is a content delivery network (CDN) that caches content at edge locations to improve access speed for users around the globe.