Which AWS service enables developers to train, tune, and deploy machine learning models at scale?
A) Amazon Rekognition
B) Amazon SageMaker
C) AWS DeepRacer
D) Amazon Comprehend
Answer: B) Amazon SageMaker
Which AWS service provides a scalable DNS web service for domain name resolution?
A) Amazon VPC
B) AWS Direct Connect
C) Amazon Route 53
D) AWS Global Accelerator
Answer: C) Amazon Route 53
Which AWS pricing model provides the most flexibility for applications with unpredictable workloads?
A) Reserved Instances
B) On-Demand Instances
C) Spot Instances
D) Savings Plans
Answer: B) On-Demand Instances
Which AWS service provides real-time monitoring of AWS resources and applications?
A) AWS Config
B) Amazon CloudWatch
C) AWS X-Ray
D) AWS CloudTrail
Answer: B) Amazon CloudWatch
Which Amazon S3 storage class is designed for frequently accessed data with high durability and availability?
A) S3 Standard-IA
B) S3 One Zone-IA
C) S3 Glacier
D) S3 Standard
Answer: D) S3 Standard
Which AWS service converts text into natural-sounding speech using deep learning?
A) Amazon Lex
B) Amazon Polly
C) AWS Transcribe
D) Amazon Rekognition
Answer: B) Amazon Polly
Which AWS feature allows you to securely connect an on-premises network to AWS using a dedicated connection?
A) AWS VPN
B) AWS Transit Gateway
C) AWS Direct Connect
D) Amazon CloudFront
Answer: C) AWS Direct Connect
Which AWS feature automatically adjusts instance capacity to maintain performance while reducing costs?
A) AWS Compute Optimizer
B) Auto Scaling Groups
C) Spot Fleet
D) AWS Cost Anomaly Detection
Answer: B) Auto Scaling Groups
Which AWS service records API calls for auditing and compliance purposes?
A) AWS CloudTrail
B) Amazon CloudWatch Logs
C) AWS Config
D) AWS Security Hub
Answer: A) AWS CloudTrail
Which AWS storage service provides a fully managed file system that can be mounted across multiple EC2 instances?
A) Amazon S3
B) Amazon FSx
C) Amazon EFS
D) AWS Storage Gateway
Answer: C) Amazon EFS
Which AWS service allows developers to build conversational interfaces using voice and text, often used with Alexa?
A) Amazon Polly
B) Amazon Lex
C) Amazon SageMaker
D) AWS DeepLens
Answer: B) Amazon Lex
Which AWS service accelerates traffic globally by routing users to the optimal endpoint based on latency?
A) AWS Global Accelerator
B) AWS Transit Gateway
C) Amazon Route 53
D) Amazon CloudFront
Answer: A) AWS Global Accelerator
Which AWS service helps organizations analyze resource utilization and provides rightsizing recommendations to reduce costs?
A) AWS Trusted Advisor
B) AWS Compute Optimizer
C) AWS Budgets
D) AWS Cost Explorer
Answer: B) AWS Compute Optimizer
Which AWS service enables compliance auditing by providing real-time insights into resource configurations and detecting unauthorized changes?
A) AWS CloudTrail
B) AWS Config
C) Amazon CloudWatch Logs
D) AWS Security Hub
Answer: B) AWS Config
Which Amazon S3 feature automatically moves data to different storage classes based on access patterns, optimizing cost without manual intervention?
A) S3 Lifecycle Policies
B) S3 Intelligent-Tiering
C) S3 Transfer Acceleration
D) S3 One Zone-IA
Answer: B) S3 Intelligent-Tiering
Which AWS service enables businesses to build customized recommendation systems by using machine learning without requiring deep expertise?
A) Amazon Rekognition
B) Amazon Personalize
C) Amazon Forecast
D) AWS Glue
Answer: B) Amazon Personalize
What AWS feature allows EC2 instances to communicate privately across different VPCs without traversing the public internet?
A) VPC Peering
B) AWS Transit Gateway
C) Amazon CloudFront
D) AWS PrivateLink
Answer: A) VPC Peering
Answer: A) VPC Peering
Which AWS feature helps customers monitor and detect unexpected cost spikes by automatically analyzing past usage patterns and flagging anomalies?
A) AWS Cost Explorer
B) AWS Trusted Advisor
C) AWS Cost Anomaly Detection
D) AWS Billing Dashboard
Answer: C) AWS Cost Anomaly Detection
Which AWS service enables real-time and historical visibility into network traffic by capturing and analyzing VPC flow logs?
A) AWS CloudTrail
B) Amazon CloudWatch Logs
C) AWS VPC Traffic Mirroring
D) AWS Config
Answer: C) AWS VPC Traffic Mirroring
Which AWS service enables hybrid cloud storage by caching frequently accessed on-premises data in AWS?
A) AWS Snowball
B) AWS DataSync
C) AWS Storage Gateway
D) Amazon EBS
Answer: C) AWS Storage Gateway
Which AWS service provides pre-trained deep learning models for analyzing images and videos, such as facial recognition and object detection?
A) Amazon Lex
B) Amazon Comprehend
C) Amazon Rekognition
D) AWS DeepLens
Answer: C) Amazon Rekognition
Which AWS service allows customers to build a secure, high-performance hybrid cloud network by integrating AWS and on-premises infrastructure?
A) AWS Outposts
B) AWS Direct Connect
C) AWS Transit Gateway
D) Amazon CloudFront
Answer: C) AWS Transit Gateway
Which AWS feature allows customers to use a mix of On-Demand, Reserved, and Spot Instances to optimize cost while maintaining performance?
A) AWS Auto Scaling
B) EC2 Fleet
C) AWS Compute Savings Plans
D) AWS Elastic Beanstalk
Answer: B) EC2 Fleet
Which AWS service traces requests across distributed applications to troubleshoot performance bottlenecks?
A) AWS Config
B) Amazon CloudWatch
C) AWS X-Ray
D) AWS Security Hub
Answer: C) AWS X-Ray
Which AWS service provides a high-performance file system optimized for machine learning, high-performance computing (HPC), and big data analytics?
A) Amazon EFS
B) Amazon FSx for Lustre
C) AWS Storage Gateway
D) Amazon S3
Answer: B) Amazon FSx for Lustre