Challenge Library
Coding Challenges
5,893 curated questions across every arena — browse by topic, then jump into a live 3-minute battle to put them to the test.
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Clear topic filter- Multiple ChoiceIntermediate
[AWS] REST vs HTTP Managed API frontend
qaawsawsqa - Multiple ChoiceIntermediate
[AWS] Stages Managed API frontend
qaawsawsqa - Multiple ChoiceIntermediate
[AWS] Throttling Managed API frontend
qaawsawsqa - Multiple ChoiceIntermediate
[AWS] Integration Managed API frontend
qaawsawsqa - Multiple ChoiceIntermediate
[AWS] CORS Managed API frontend
qaawsawsqa - Multiple ChoiceHard
[AWS] Partition key Managed NoSQL database
qaawsawsqa - Multiple ChoiceHard
[AWS] Sort key Managed NoSQL database
qaawsawsqa - Multiple ChoiceHard
[AWS] GSI/LSI Managed NoSQL database
qaawsawsqa - Multiple ChoiceHard
[AWS] Provisioned vs on-demand Managed NoSQL database
qaawsawsqa - Multiple ChoiceHard
[AWS] DynamoDB Streams Managed NoSQL database
qaawsawsqa - Multiple ChoiceBeginner
[AWS] Instance types Virtual servers (IaaS)
qaawsawsqa - Multiple ChoiceBeginner
[AWS] AMI Virtual servers (IaaS)
qaawsawsqa - Multiple ChoiceBeginner
[AWS] Security groups Virtual servers (IaaS)
qaawsawsqa - Multiple ChoiceBeginner
[AWS] EBS Virtual servers (IaaS)
qaawsawsqa - Multiple ChoiceBeginner
[AWS] Spot instances Virtual servers (IaaS)
qaawsawsqa - Multiple ChoiceHard
[AWS] Roles Identity and Access Management
qaawsawsqa - Multiple ChoiceHard
[AWS] Policies Identity and Access Management
qaawsawsqa - Multiple ChoiceHard
[AWS] ARN Identity and Access Management
qaawsawsqa - Multiple ChoiceHard
[AWS] Least privilege Identity and Access Management
qaawsawsqa - Multiple ChoiceHard
[AWS] Federation Identity and Access Management
qaawsawsqa - Multiple ChoiceIntermediate
[AWS] Event-driven Serverless functions (FaaS)
qaawsawsqa - Multiple ChoiceIntermediate
[AWS] Cold start Serverless functions (FaaS)
qaawsawsqa - Multiple ChoiceIntermediate
[AWS] Max 15 minutes Serverless functions (FaaS)
qaawsawsqa - Multiple ChoiceIntermediate
[AWS] Stateless Serverless functions (FaaS)
qaawsawsqa - Multiple ChoiceIntermediate
[AWS] Provisioned concurrency Serverless functions (FaaS)
qaawsawsqa - Multiple ChoiceBeginner
[AWS] Buckets Scalable object storage
qaawsawsqa - Multiple ChoiceBeginner
[AWS] Durable Scalable object storage
qaawsawsqa - Multiple ChoiceBeginner
[AWS] S3:// protocol Scalable object storage
qaawsawsqa - Multiple ChoiceBeginner
[AWS] Presigned URLs Scalable object storage
qaawsawsqa - Multiple ChoiceBeginner
[AWS] Versioning Scalable object storage
qaawsawsqa
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