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cloud practitioner Practice Questions
Page 1 of 3 (240 total questions)
You are designing a serverless microservices architecture for a new startup. The application needs to handle unpredictable traffic spikes without managing any underlying infrastructure. Which compute service should you use?
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Which AWS service allows you to run code without provisioning or managing servers, paying only for the compute time you consume?
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What is the maximum execution duration (timeout) for an AWS Lambda function?
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Which AWS service can be used to trigger a Lambda function whenever a new file is uploaded to an S3 bucket?
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In AWS Lambda, what is the purpose of 'concurrency limits'?
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Which AWS Lambda feature allows you to initialize your function's environment before the first request arrives, reducing 'cold start' latency?
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Which language is NOT natively supported by AWS Lambda through its standard runtimes?
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You want to share common code or data across multiple Lambda functions. Which feature should you use?
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How is the CPU power allocated to an AWS Lambda function?
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Which AWS service is used to orchestrate complex, multi-step workflows involving multiple Lambda functions?
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You need to host a static website (HTML, CSS, JS) with the lowest possible cost and high durability. You do not need server-side processing. Which storage solution should you choose?
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You need to grant developers read-only access to Amazon S3 buckets without giving them access to other services. What's the best approach using AWS IAM?
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Which S3 storage class is best suited for data that is accessed frequently and requires high availability?
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You want to host a static website using Amazon S3. What is the URL format typically used for a bucket named 'my-web-bucket' in the 'us-east-1' region?
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Which S3 feature allows you to automatically transition objects to a cheaper storage class based on their age?
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What is the purpose of S3 Versioning?
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Which S3 storage class offers the lowest cost for long-term data archiving with retrieval times ranging from minutes to hours?
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How can you grant temporary access to a private S3 object to a specific user without changing bucket policies?
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Which S3 feature uses Amazon CloudFront's globally distributed edge locations to speed up long-distance uploads to your bucket?
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What is the maximum size of a single object that can be stored in Amazon S3?
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A financial application requires a relational database that supports high availability and automated backups. The database must be fully managed to reduce operational overhead. Which service fits these requirements?
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Which AWS database service is best for a traditional MySQL application that requires automated backups, patching, and high availability across multiple AZs?
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Amazon Aurora is a MySQL and PostgreSQL-compatible relational database built for the cloud. How does its storage performance compare to standard RDS?
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You want to improve the read performance of your RDS database for a globally distributed web application. Which feature should you use?
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What is the primary purpose of an RDS Multi-AZ deployment?
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Which RDS database engine is a proprietary AWS engine designed for high-performance and high-availability workloads?
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You want to automate the scaling of your RDS database's compute resources in response to traffic changes. Which RDS feature should you use?
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How can you encrypt your Amazon RDS data at rest?
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Which RDS feature allows you to create a point-in-time copy of your database that can be used for backup and disaster recovery across regions?
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Which RDS database engine is open-source and provides a drop-in replacement for MySQL, created by the original developers of MySQL?
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Your application generates millions of clickstream events per second. You need a service to ingest and buffer this data in real-time before processing it. Which service fits this need?
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What is the primary benefit of using Amazon DynamoDB for a high-traffic web application?
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Which DynamoDB feature allows you to replicate your tables across multiple AWS regions for globally distributed applications?
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You want to improve the read performance of your DynamoDB table by adding an in-memory cache. Which service should you use?
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What is a 'Partition Key' in Amazon DynamoDB?
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Which DynamoDB capacity mode is best for unpredictable or spikey workloads where you don't want to manage throughput settings?
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What is the purpose of 'DynamoDB Streams'?
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Which DynamoDB feature allows you to define a 'Time to Live' (TTL) for items so they are automatically deleted after a certain time?
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Is Amazon DynamoDB a relational or non-relational database?
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How many 'Global Secondary Indexes' (GSI) can you create per DynamoDB table by default?
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You are analyzing petabytes of data for business intelligence reports. You need a fully managed, serverless enterprise data warehouse that supports SQL queries. Which service is best suited for this task?
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Which AWS service is a fast, fully managed data warehouse that makes it simple and cost-effective to analyze all your data using standard SQL?
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Which feature of Amazon Redshift allows you to run SQL queries directly against exabytes of data in Amazon S3 without having to load it into the Redshift cluster?
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You want to perform data warehousing operations but don't want to manage or scale data warehouse clusters manually. Which Amazon Redshift option should you choose?
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What is the primary architectural difference between Amazon Redshift and Amazon RDS?
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Which AWS tool can you use to visualize and create interactive dashboards from data stored in Amazon Redshift?
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What is 'AQUA' (Advanced Query Accelerator) for Amazon Redshift?
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How can you securely share your data in Amazon Redshift with other teams or partners without having to move or copy it?
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Which Redshift feature allows you to automatically create an Amazon S3-backed cluster that can be scaled independently of compute?
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Is Amazon Redshift a single-AZ or multi-AZ service by default for its clusters?
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Your media company streams video content to users globally. Users in different regions are experiencing high latency. You need to improve performance by caching content closer to the users. Which service should you implement?
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What is the primary role of Amazon CloudFront?
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What is an 'Edge Location' in the context of Amazon CloudFront?
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You want to prevent users from accessing your S3 content directly and force them to go through CloudFront. Which feature should you use?
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Which feature of Amazon CloudFront allows you to run lightweight JavaScript or Python code at edge locations to customize content for users?
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You want to clear a specific cached file from all CloudFront edge locations before its TTL expires. Which action should you take?
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What are 'Regional Edge Caches' in Amazon CloudFront?
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Which feature of Amazon CloudFront helps protect your website from Layer 7 (HTTP) attacks like SQL injection and Cross-Site Scripting (XSS)?
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How can you serve your CloudFront content using a custom domain name (e.g., https://static.example.com) and your own SSL certificate?
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What is the primary benefit of CloudFront's 'Field-Level Encryption'?
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Your public-facing web application is under a Distributed Denial of Service (DDoS) attack. You need a managed service to detect and mitigate these attacks automatically. What should you enable?
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Which AWS service provides automatic protection against the most common Infrastructure Layer (Layer 3 and 4) DDoS attacks at no additional cost?
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What is the primary benefit of upgrading to AWS Shield Advanced?
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On which AWS services can you enable AWS Shield Advanced protection?
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What is the 'Shield Response Team' (SRT)?
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Does AWS Shield Standard provide protection against Application Layer (Layer 7) attacks like SQL injection?
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Which AWS Shield feature allows you to see real-time metrics and historical reports about DDoS attacks against your resources?
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What is the monthly fee for AWS Shield Advanced?
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Can AWS Shield protect your web applications against 'slowloris' attacks?
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Does AWS Shield Standard require any architectural changes to your AWS setup?
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Company policy requires that all database encryption keys be managed centrally and rotated annually. You need a secure, durable service to store and manage these cryptographic keys. Which service should you use?
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What is AWS Key Management Service (KMS) used for?
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What is a 'Customer Master Key' (CMK) in AWS KMS?
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Which encryption type is supported by AWS KMS for data keys?
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What is the difference between an 'AWS Managed Key' and a 'Customer Managed Key'?
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Which AWS service provides detailed logs showing exactly when and by whom a KMS key was used to encrypt or decrypt data?
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Which feature of AWS KMS allows you to bring your own encryption keys (BYOK) from your own on-premises hardware security module?
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How can you ensure that your customer-managed KMS keys are updated periodically with new cryptographic material?
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Which AWS service is a dedicated hardware security module (HSM) that you can use alongside or instead of KMS for the highest level of compliance?
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When you delete a key in AWS KMS, is it deleted immediately?
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A law firm wants to digitize millions of scanned contracts. You need an AI service to extract text, forms, and tables from these PDF documents automatically. Which service is designed for this?
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Which AWS AI service is specifically designed to extract text, handwriting, and data from scanned documents without requiring manual data entry?
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What is a primary benefit of using Amazon Textract over traditional Optical Character Recognition (OCR)?
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Which Amazon Textract feature allows you to extract information from identity documents like driver's licenses and passports?
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Which file formats are supported as input for Amazon Textract?
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How can you ensure the highest accuracy when using Textract for business-critical workflows like medical records processing?
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Which Textract feature is best for extracting data from financial documents like invoices and receipts?
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Does Amazon Textract keep a copy of your documents to train its global model by default?
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Which feature of Textract allows you to identify the reading order and layout (columns, headers) of a complex document?
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Is Amazon Textract a 'Serverless' service?
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You are building a customer support chatbot that needs to understand natural language intent (e.g., 'book a flight'). Which service provides Natural Language Understanding (NLU) capabilities?
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Which AWS service is used to build conversational interfaces (chatbots) using voice and text?
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In Amazon Lex, what is an 'Intent'?
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In Amazon Lex, what is a 'Slot'?
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Which Amazon Lex feature allows you to design and build chatbots using a visual drag-and-drop canvas?
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Which AWS service is often used as a 'fulfillment' engine for Lex, performing the actual logic like searching a database or booking an appointment?
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What is 'Utterance' in the context of Amazon Lex?
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Which AWS service provides the omnichannel cloud contact center that often uses Amazon Lex for its automated IVR (Interactive Voice Response)?
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Can an Amazon Lex bot be deployed to multiple regions for high availability?
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Is Amazon Lex HIPAA eligible for use in healthcare applications?
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