AI/ML, Analytics, Dev Tools, End User, IoT

Question 1

What are the 3 tiers of AWS AI/ML services?

A) Tier 1: Real-time ML. Tier 2: Batch ML. Tier 3: Edge ML — based on latency requirements.
B) 1. AI Services (pre-built): use ML capabilities without ML expertise (Rekognition, Polly, Lex, etc.) | …
C) Tier 1: Vision AI. Tier 2: Language AI. Tier 3: Custom ML — based on data modality.
D) Tier 1: Free ML models. Tier 2: Pay-per-call ML APIs. Tier 3: Enterprise ML contracts.

Answer 1

B) 1. AI Services (pre-built): use ML capabilities without ML expertise (Rekognition, Polly, Lex, etc.) | …

Question 2

What is Amazon SageMaker?

A) Fully managed end-to-end ML platform.
B) SageMaker is a data warehouse service that runs ML inference on Redshift data in place.
C) SageMaker is a pre-built AI service for image recognition requiring no ML expertise.
D) SageMaker is a natural language chatbot service powered by the same technology as Alexa.

Answer 2

A) Fully managed end-to-end ML platform.

Question 3

What is Amazon Lex?

A) Lex is a speech-to-text service that transcribes audio recordings into text.
B) Builds conversational chatbots using voice and text – the same technology powering Alexa.
C) Lex is an enterprise search service that answers natural language questions from documents.
D) Lex is a text-to-speech service that converts written content into natural-sounding audio.

Answer 3

B) Builds conversational chatbots using voice and text – the same technology powering Alexa.

Question 4

What is Amazon Kendra?

A) Kendra is a document classification service that routes files to S3 based on content.
B) Kendra is a chatbot service for building voice and text conversational interfaces.
C) Intelligent enterprise search powered by ML.
D) Kendra is an NLP service that extracts entities and sentiment from unstructured text.

Answer 4

C) Intelligent enterprise search powered by ML.

Question 5

What is Amazon Comprehend?

A) Comprehend is an image analysis service that detects objects and text in photos.
B) Comprehend is a translation service that converts content between 75+ languages.
C) Comprehend is a speech recognition service that converts audio to text transcripts.
D) NLP service that extracts insights from text.

Answer 5

D) NLP service that extracts insights from text.

Question 6

What is Amazon Polly?

A) Polly is a speech recognition service that transcribes spoken audio into written text.
B) Polly is a language translation service that converts text between 75+ languages.
C) Polly is a document OCR service that extracts text and data from scanned documents.
D) Text-to-Speech (TTS) service. Converts text to lifelike speech. 60+ languages, 100+ voices.

Answer 6

D) Text-to-Speech (TTS) service. Converts text to lifelike speech. 60+ languages, 100+ voices.

Question 7

What is Amazon Rekognition?

A) Rekognition is a speech recognition service that transcribes audio and video files.
B) Rekognition is an NLP service that detects sentiment and entities in written text.
C) Image and video analysis powered by deep learning.
D) Rekognition is a document OCR service that extracts text from scanned PDFs and images.

Answer 7

C) Image and video analysis powered by deep learning.

Question 8

What is Amazon Textract?

A) Textract is a speech synthesis service that converts business documents into audio.
B) Textract is a translation service that converts multi-language documents to English.
C) Textract is an image labelling service that classifies photos by detected objects.
D) Automatically extracts text and structured data from scanned documents – goes beyond simple OCR.

Answer 8

D) Automatically extracts text and structured data from scanned documents – goes beyond simple OCR.

Question 9

What is Amazon Transcribe?

A) Transcribe is a text-to-speech service that narrates documents in natural-sounding voices.
B) Transcribe is a translation service that converts spoken audio between languages.
C) Automatic Speech Recognition (ASR) – speech to text. Supports transcription of audio/video files and real-time streaming.
D) Transcribe is an NLP service that extracts key phrases and sentiment from documents.

Answer 9

C) Automatic Speech Recognition (ASR) – speech to text. Supports transcription of audio/video files and real-time streaming.

Question 10

What is Amazon Translate?

A) Translate is a speech recognition service that converts spoken audio to text.
B) Neural machine translation supporting 75+ languages. Provides real-time and batch translation.
C) Translate is a document extraction service that pulls structured data from PDFs.
D) Translate is a text-to-speech service that converts written content to natural audio.

Answer 10

B) Neural machine translation supporting 75+ languages. Provides real-time and batch translation.

Question 11

Quick match – which AI/ML service for each task?

A) Speech to text → Lex. Text to speech → Comprehend. Image analysis → Kendra. Chatbots → Rekognition.
B) Speech to text → Transcribe. | Text to speech → Polly. | Image/video analysis → Rekognition. | …
C) Speech to text → Polly. Text to speech → Transcribe. Image analysis → Textract. Document extraction → Rekognition.
D) Document extraction → Comprehend. Chatbots → Kendra. Enterprise search → Lex. NLP analysis → Polly.

Answer 11

B) Speech to text → Transcribe. | Text to speech → Polly. | Image/video analysis → Rekognition. | …

Question 12

What is Amazon Athena?

A) Athena is a managed data warehouse service for petabyte-scale SQL analytics.
B) Athena is a managed Spark/Hadoop service for processing large datasets on EC2 clusters.
C) Serverless SQL query service that queries data directly in S3 – no ETL or loading required.
D) Athena is a streaming analytics service that runs SQL queries on Kinesis data streams.

Answer 12

C) Serverless SQL query service that queries data directly in S3 – no ETL or loading required.

Question 13

What is AWS Glue?

A) Serverless ETL (Extract, Transform, Load) service. Discovers and catalogues data.
B) Glue is a managed message broker that transforms events between SaaS applications.
C) Glue is a managed Hadoop service for running large-scale batch processing jobs.
D) Glue is a managed data warehouse service for OLAP analytics on structured datasets.

Answer 13

A) Serverless ETL (Extract, Transform, Load) service. Discovers and catalogues data.

Question 14

What is Amazon EMR?

A) EMR is a serverless SQL service that queries data directly in S3 without loading it.
B) EMR is a real-time streaming platform for ingesting high-volume event data.
C) EMR is a managed data warehouse service optimised for BI dashboard queries.
D) Managed Hadoop and Spark service for big data processing at scale.

Answer 14

D) Managed Hadoop and Spark service for big data processing at scale.

Question 15

What is Amazon OpenSearch?

A) OpenSearch is AWS’s managed alternative to Redshift for OLAP data warehouse workloads.
B) OpenSearch is AWS’s managed graph database service for network analysis.
C) AWS-managed clone of Elasticsearch. Used for search and log analytics.
D) OpenSearch is AWS’s managed time-series database service for IoT metrics.

Answer 15

C) AWS-managed clone of Elasticsearch. Used for search and log analytics.

Question 16

What is AWS Data Exchange?

A) Allows you to subscribe to and use third-party data sets directly within AWS.
B) Data Exchange is a migration service for importing on-premises data into AWS data lakes.
C) Data Exchange is an ETL service that transforms raw data into analytics-ready formats.
D) Data Exchange is a streaming service for real-time data ingestion from IoT devices.

Answer 16

A) Allows you to subscribe to and use third-party data sets directly within AWS.

Question 17

What is Amazon QuickSight?

A) QuickSight is a log analytics service built on OpenSearch for infrastructure monitoring.
B) QuickSight is a managed data warehouse for running SQL analytics on large datasets.
C) QuickSight is a serverless ETL service for transforming and cataloguing data lakes.
D) Business intelligence (BI) tool for creating dashboards, visualisations, and reports from AWS and other data sources.

Answer 17

D) Business intelligence (BI) tool for creating dashboards, visualisations, and reports from AWS and other data sources.

Question 18

What is AWS Lake Formation?

A) Lake Formation is a managed Hadoop service for running Spark batch processing jobs.
B) Lake Formation is a managed streaming service for ingesting real-time IoT data.
C) Lake Formation is a serverless ETL service that transforms data between storage formats.
D) Service for building, securing, and managing data lakes on S3.

Answer 18

D) Service for building, securing, and managing data lakes on S3.

Question 19

What is the AWS CI/CD pipeline toolchain?

A) GitHub → Jenkins → Ansible → Terraform — the recommended AWS DevOps toolchain.
B) CodeCommit → CodeArtifact → CodeDeploy → all orchestrated by CodeBuild.
C) CodeCommit (Git repo) → CodeBuild (build/test) → CodeDeploy (deploy) – all orchestrated by CodePipeline.
D) CodeStar → CodeGuru → CodeWhisperer → all orchestrated by CodeCatalyst.

Answer 19

C) CodeCommit (Git repo) → CodeBuild (build/test) → CodeDeploy (deploy) – all orchestrated by CodePipeline.

Question 20

What is AWS CodeCommit?

A) CodeCommit is a deployment service that releases application updates to EC2.
B) CodeCommit is a managed CI build service that compiles code and runs tests.
C) Managed Git-based source control repository service. Fully managed, secure.
D) CodeCommit is an artefact registry for storing npm, Maven, and pip packages.

Answer 20

C) Managed Git-based source control repository service. Fully managed, secure.

Question 21

What is AWS CodeBuild?

A) CodeBuild is a deployment automation service for releasing updates to production.
B) Fully managed CI build service. Compiles code, runs tests, and produces build artefacts. No servers to manage.
C) CodeBuild is a Git repository service for storing and versioning source code.
D) CodeBuild is a pipeline orchestration service that manages CI/CD workflow stages.

Answer 21

B) Fully managed CI build service. Compiles code, runs tests, and produces build artefacts. No servers to manage.

Question 22

What is AWS CodeDeploy?

A) CodeDeploy is a build service that compiles code and produces deployment artefacts.
B) Automated application deployment service. Deploys to EC2, Lambda, on-premises servers, and ECS.
C) CodeDeploy is a pipeline service that orchestrates build, test, and deploy stages.
D) CodeDeploy is a source control service for managing application code repositories.

Answer 22

B) Automated application deployment service. Deploys to EC2, Lambda, on-premises servers, and ECS.

Question 23

What is AWS CodePipeline?

A) CodePipeline is a deployment service that releases artefacts to EC2 and Lambda.
B) CodePipeline is a build service that compiles and tests code automatically.
C) CodePipeline is a Git repository service for hosting application source code.
D) CI/CD pipeline orchestration service.

Answer 23

D) CI/CD pipeline orchestration service.

Question 24

What is AWS CodeArtifact?

A) CodeArtifact is a deployment automation service for releasing code to production.
B) CodeArtifact is a managed Git repository service for application source code.
C) Managed artefact repository for software packages (npm, Maven, pip, NuGet, etc.).
D) CodeArtifact is a CI build service for compiling and testing application code.

Answer 24

C) Managed artefact repository for software packages (npm, Maven, pip, NuGet, etc.).

Question 25

What is AWS Cloud9? A) Cloud9 is a distributed tracing service for debugging microservice applications. B) Cloud9 is a managed VDI service for accessing Windows desktops in a browser. C) Cloud9 is a managed GraphQL API service for building mobile and web backends. D) Cloud-based IDE running in a browser. Built-in AWS CLI, debugger, and terminal.

Answer 25

D) Cloud-based IDE running in a browser. Built-in AWS CLI, debugger, and terminal.

Question 26

What is AWS X-Ray? A) X-Ray is a logging service that stores application logs from EC2 in CloudWatch. B) X-Ray is a monitoring service that collects EC2 performance metrics and dashboards. C) X-Ray is a code review service that identifies security vulnerabilities in Lambda. D) Distributed tracing service for analysing and debugging distributed applications.

Answer 26

D) Distributed tracing service for analysing and debugging distributed applications.

Question 27

What is AWS CloudShell? A) CloudShell is a managed Linux VM service for running persistent workloads in AWS. B) A browser-based shell accessible directly from the AWS Management Console. Pre-authenticated, no setup required. C) CloudShell is the same as AWS Systems Manager Session Manager for EC2 access. D) CloudShell is a browser-based IDE for writing and running application code in AWS.

Answer 27

B) A browser-based shell accessible directly from the AWS Management Console. Pre-authenticated, no setup required.

Question 28

What is Amazon WorkSpaces? A) Virtual Desktop Infrastructure (VDI) as a service – managed Windows or Linux desktops in the cloud (DaaS). B) WorkSpaces is a browser-based application streaming service that streams apps, not desktops. C) WorkSpaces is a file collaboration service similar to Google Drive built on Amazon S3. D) WorkSpaces is a managed contact centre service for inbound and outbound customer calls.

Answer 28

A) Virtual Desktop Infrastructure (VDI) as a service – managed Windows or Linux desktops in the cloud (DaaS).

Question 29

What is Amazon AppStream 2.0? A) AppStream 2.0 is a managed VDI service that provides full Windows or Linux desktops. B) Streams desktop applications to users' web browsers. The application runs in AWS, not on the user's device. C) AppStream 2.0 is a managed SFTP service for transferring files to Amazon S3. D) AppStream 2.0 is a cloud gaming service optimised for GPU-accelerated workloads.

Answer 29

B) Streams desktop applications to users' web browsers. The application runs in AWS, not on the user's device.

Question 30

What is AWS Amplify? A) Amplify is a low-code desktop application builder for internal enterprise tools. B) Amplify is a managed Kubernetes service for deploying containerised web applications. C) Full-stack development platform for web and mobile apps. D) Amplify is a serverless GraphQL layer that connects directly to DynamoDB tables.

Answer 30

C) Full-stack development platform for web and mobile apps.

Question 31

What is Amazon Cognito? A) User identity and access management for web/mobile apps. B) Cognito is an IAM service that manages AWS console access for enterprise employees. C) Cognito is a secrets manager for storing OAuth tokens and API keys for web apps. D) Cognito is a managed Active Directory service for Windows workloads on AWS.

Answer 31

A) User identity and access management for web/mobile apps.

Question 32

What is AWS AppSync? A) AppSync is a serverless ETL service that syncs data between DynamoDB and S3. B) Managed GraphQL service for building APIs that interact with multiple data sources. C) AppSync is a managed WebSocket service for real-time data streaming to browsers. D) AppSync is a managed REST API service for connecting mobile apps to AWS backends.

Answer 32

B) Managed GraphQL service for building APIs that interact with multiple data sources.

Question 33

What is AWS Device Farm? A) Device Farm is a managed emulator service that simulates devices without real hardware. B) Device Farm is a mobile app distribution service for publishing apps to app stores. C) Tests web and mobile applications on real physical devices in the AWS cloud. D) Device Farm is a performance testing service that runs load tests on web APIs.

Answer 33

C) Tests web and mobile applications on real physical devices in the AWS cloud.

Question 34

What is Amazon Connect? A) Connect is a managed email service for bulk transactional and marketing email sending. B) Connect is a managed chat service for embedding live chat into web and mobile apps. C) Cloud-based contact centre service. Inbound/outbound voice, chat, and tasks. Set up in minutes. Pay per minute used. D) Connect is a business phone system for internal employee communication.

Answer 34

C) Cloud-based contact centre service. Inbound/outbound voice, chat, and tasks. Set up in minutes. Pay per minute used.

Question 35

What is Amazon SES (Simple Email Service)? A) High-volume bulk email sending and transactional email service. Cost-effective for marketing and application emails. B) SES is a managed workflow service for orchestrating marketing automation pipelines. C) SES is a contact centre service for inbound and outbound customer voice calls. D) SES is a managed multi-channel marketing service for email, SMS, and push notifications.

Answer 35

A) High-volume bulk email sending and transactional email service. Cost-effective for marketing and application emails.

Question 36

What is Amazon Pinpoint? A) Pinpoint is a contact centre service for inbound customer support communications. B) Pinpoint is a managed SMS gateway for sending one-time authentication codes only. C) Pinpoint is a transactional email service for sending password resets and receipts. D) Multi-channel marketing communications service – email, SMS, push notifications, and voice.

Answer 36

D) Multi-channel marketing communications service – email, SMS, push notifications, and voice.

Question 37

What is Amazon WorkMail? A) WorkMail is a managed file sharing service for enterprise document collaboration. B) Managed business email and calendar service compatible with Microsoft Outlook. C) WorkMail is an identity provider service for federated access to AWS resources. D) WorkMail is a managed video conferencing service for internal team meetings.

Answer 37

B) Managed business email and calendar service compatible with Microsoft Outlook.

Question 38

What is AWS IoT Core? A) Connects and manages billions of IoT devices at scale using MQTT, HTTP, and WebSocket protocols. B) IoT Core is an edge computing service that runs Lambda functions on IoT devices. C) IoT Core is a time-series database for storing and analysing IoT sensor readings. D) IoT Core is a security service that audits IoT device configurations for vulnerabilities.

Answer 38

A) Connects and manages billions of IoT devices at scale using MQTT, HTTP, and WebSocket protocols.

Question 39

What is AWS IoT Greengrass? A) Greengrass is a managed IoT device registry that tracks connected devices at scale. B) Greengrass is a time-series database service for storing IoT device telemetry data. C) Greengrass is an IoT security service that detects anomalous device behaviour. D) Extends AWS compute, data caching, messaging, and ML to edge devices for local processing even without internet...

Answer 39

D) Extends AWS compute, data caching, messaging, and ML to edge devices for local processing even without internet...

Question 40

What are the other IoT services? A) IoT Database, IoT Compute, IoT Gateway, and IoT Monitor. B) IoT Connect, IoT Shield, IoT Inspector, and IoT CloudTrail. C) IoT Analytics: analyse IoT data. D) IoT Kinesis, IoT Lambda, IoT S3, and IoT DynamoDB.

Answer 40

C) IoT Analytics: analyse IoT data.