Which Amazon S3 storage class is designed for long-term archival storage with the lowest cost but requires a retrieval time of minutes to hours?
A) S3 Standard-IA
B) S3 One Zone-IA
C) S3 Glacier
D) S3 Intelligent-Tiering
Answer: C) S3 Glacier
Which AWS database service is a fully managed relational database that supports multiple engines like MySQL, PostgreSQL, and SQL Server?
A) Amazon DynamoDB
B) Amazon Aurora
C) Amazon RDS
D) Amazon Redshift
Answer: C) Amazon RDS
Which service automatically detects unusual behavior in AWS accounts by analyzing logs and network traffic?
A) AWS CloudTrail
B) AWS GuardDuty
C) AWS Security Hub
D) AWS Shield
Answer: B) AWS GuardDuty
100: What AWS service allows you to deploy applications without managing the underlying infrastructure?
A) AWS Lambda
B) Amazon EC2
C) Amazon ECS
D) AWS Beanstalk
Answer: A) AWS Lambda
Which AWS service allows you to analyze cost and usage trends over time?
A) AWS Cost Explorer
B) AWS Budgets
C) AWS Pricing Calculator
D) AWS Savings Plans
Answer: A) AWS Cost Explorer
Which AWS storage service provides a fully managed file system for Linux-based workloads and allows multiple instances to access the same data simultaneously?
A) Amazon EBS
B) Amazon FSx
C) Amazon EFS
D) AWS Backup
Answer: C) Amazon EFS
Which AWS NoSQL database service is serverless, highly scalable, and supports key-value and document data models?
A) Amazon DynamoDB
B) Amazon Redshift
C) Amazon Neptune
D) Amazon ElastiCache
Answer: A) Amazon DynamoDB
Amazon Macie is designed to automatically detect and classify which type of data?
A) Personally Identifiable Information (PII) and sensitive data
B) Database credentials and API keys
C) Encrypted data at rest
D) AWS IAM policy misconfigurations
Answer: A) Personally Identifiable Information (PII) and sensitive data
What is the primary advantage of AWS Elastic Beanstalk compared to manually provisioning EC2 instances?
A) It eliminates the need to write application code
B) It automatically manages infrastructure and scaling for applications
C) It provides lower-cost instances than EC2
D) It is the only way to run containers on AWS
Answer: B) It automatically manages infrastructure and scaling for applications
Which AWS service helps users estimate the potential cost of their resources before deployment, based on usage patterns and service pricing models?
A) AWS Cost Explorer
B) AWS Pricing Calculator
C) AWS Budgets
D) AWS Cost and Usage Report (CUR)
Answer: B) AWS Pricing Calculator
Which Amazon S3 feature ensures that deleted or overwritten objects can be recovered within a set period?
A) S3 Lifecycle Policies
B) S3 Object Lock
C) S3 Versioning
D) S3 Intelligent-Tiering
Answer: C) S3 Versioning
How does Amazon ElastiCache improve database performance?
A) By replacing traditional relational databases
B) By reducing database query response times using in-memory caching
C) By automatically scaling database capacity based on demand
D) By offering NoSQL-based query acceleration
Answer: B) By reducing database query response times using in-memory caching
300: Which AWS service automatically protects web applications from common threats such as SQL injection and cross-site scripting (XSS)?
A) AWS WAF
B) AWS Shield Advanced
C) AWS Security Hub
D) Amazon Detective
Answer: A) AWS WAF
Which advanced AWS EC2 feature allows customers to run Amazon EC2 instances on fully dedicated, physically isolated hardware?
A) Amazon EC2 Placement Groups
B) AWS Outposts
C) EC2 Dedicated Hosts
D) Amazon Nitro Enclaves
Answer: C) EC2 Dedicated Hosts
Which AWS pricing model provides the largest potential cost savings, but comes with the risk of instance termination when AWS needs capacity?
A) On-Demand Instances
B) Reserved Instances
C) Spot Instances
D) AWS Savings Plans
Answer: C) Spot Instances
You need to ensure that only authorized users can access objects in an S3 bucket while also blocking all public access. What combination of features should you use?
A) S3 ACLs and Versioning
B) IAM Policies and S3 Bucket Policy
C) S3 Transfer Acceleration and Lifecycle Policies
D) S3 Replication and AWS Backup
Answer: B) IAM Policies and S3 Bucket Policy
Which feature of Amazon Aurora enables you to replicate data across multiple AWS Regions for disaster recovery?
A) Multi-AZ Deployment
B) Global Databases
C) Read Replicas
D) Aurora Serverless
Answer: B) Global Databases
AWS Security Hub integrates with which services to provide security best practices?
A) AWS WAF and AWS Shield
B) AWS Config and GuardDuty
C) AWS Lambda and Step Functions
D) Amazon SNS and SQS
Answer: B) AWS Config and GuardDuty
Which AWS service provides a fully managed container orchestration system that allows you to run Docker containers without managing the underlying infrastructure?
A) Amazon EKS
B) AWS Fargate
C) Amazon ECS
D) AWS Lambda
Answer: C) Amazon ECS
Which AWS service enables customers to automatically optimize their compute costs by recommending the best instance types and sizing based on historical usage patterns?
A) AWS Compute Optimizer
B) AWS Cost Explorer
C) AWS Trusted Advisor
D) AWS Cost Anomaly Detection
Answer: A) AWS Compute Optimizer
What is the maximum number of S3 bucket policies that can be applied to a single bucket?
A) 1
B) 5
C) 20
D) Unlimited
Answer: A) 1
Which database service is specifically designed for handling graph-based relationships such as social networks?
A) Amazon Redshift
B) Amazon Neptune
C) Amazon ElastiCache
D) Amazon DynamoDB
Answer: B) Amazon Neptune
How does AWS KMS (Key Management Service) protect encryption keys?
A) By storing keys in customer-managed instances
B) By isolating keys in a FIPS 140-2 Level 3 validated environment
C) By integrating with AWS CloudHSM for hardware-based security
D) By using asymmetric encryption instead of symmetric encryption
Answer: C) By integrating with AWS CloudHSM for hardware-based security
Which AWS service allows you to run containers without managing the underlying EC2 instances, providing serverless compute for Amazon ECS and Amazon EKS?
A) Amazon EC2 Auto Scaling
B) AWS Lambda
C) AWS Fargate
D) Amazon Lightsail
Answer: C) AWS Fargate
When using Consolidated Billing in AWS Organizations, how does AWS compute volume-based pricing discounts across linked accounts?
A) Each linked account is billed separately based on its individual usage
B) AWS aggregates usage across all linked accounts to determine bulk pricing discounts
C) Only the management account receives cost benefits
D) AWS applies a flat discount rate to all linked accounts
Answer: B) AWS aggregates usage across all linked accounts to determine bulk pricing discounts