MC COre Services High 42

A company needs a tool that publishes messages and notifications to multiple subscribers. Which AWS service best fits? | A) Amazon Simple Queue Service (Amazon SQS) | B) Amazon API Gateway | C) Amazon EventBridge | D) Amazon Simple Notification Service (Amazon SNS)

D) Amazon Simple Notification Service (Amazon SNS). SNS delivers messages or notifications to subscribers; SQS stores messages for later processing.

A company needs a tool that decouples applications by storing messages in queues for asynchronous processing. Which AWS service best fits? | A) Amazon Simple Queue Service (Amazon SQS) | B) Amazon Kinesis Data Streams | C) Amazon Simple Notification Service (Amazon SNS) | D) Amazon EventBridge

A) Amazon Simple Queue Service (Amazon SQS). SQS decouples producers and consumers with durable message queues; SNS is publish/subscribe.

A company needs a tool that sets cost or usage budgets and sends threshold alerts. Which AWS service best fits? | A) AWS Budgets | B) AWS Cost Anomaly Detection | C) AWS Pricing Calculator | D) AWS Cost Explorer

A) AWS Budgets. Budgets tracks spending or usage against a defined threshold; Cost Explorer is for analysis.

A company needs a tool that visualizes and forecasts AWS costs and usage trends. Which AWS service best fits? | A) AWS Pricing Calculator | B) AWS Budgets | C) AWS Cost Anomaly Detection | D) AWS Cost Explorer

D) AWS Cost Explorer. Cost Explorer helps visualize and forecast spending; Budgets alerts on thresholds.

A company needs a tool that provides resizable virtual servers with configurable instance types. Which AWS service best fits? | A) Amazon EC2 | B) AWS Lambda | C) AWS Fargate | D) AWS Elastic Beanstalk

A) Amazon EC2. EC2 provides virtual machine instances; Lambda runs functions without managing servers.

A company needs a tool that orchestrates and runs containers with AWS-native tooling. Which AWS service best fits? | A) Amazon Elastic Container Service (Amazon ECS) | B) Amazon EKS | C) Amazon EC2 | D) AWS Fargate

A) Amazon Elastic Container Service (Amazon ECS). ECS orchestrates containers; Fargate provides serverless compute capacity for containers.

A company needs a tool that provides guidance, case-based assistance, and support plans for AWS customers. Which AWS service best fits? | A) AWS Well-Architected Tool | B) AWS Trusted Advisor | C) AWS Artifact | D) AWS Support

D) AWS Support. AWS Support provides support plans and case-based help, rather than architecture-audit tooling.

A company needs a tool that aWS-built relational database compatible with MySQL and PostgreSQL. Which AWS service best fits? | A) Amazon Redshift | B) Amazon RDS | C) Amazon Aurora | D) Amazon DynamoDB

C) Amazon Aurora. Aurora is an AWS-designed relational database compatible with MySQL and PostgreSQL.

A company needs a tool that fully managed serverless NoSQL key-value/document database. Which AWS service best fits? | A) Amazon DynamoDB | B) Amazon RDS | C) Amazon Aurora | D) Amazon ElastiCache

A) Amazon DynamoDB. DynamoDB is a fully managed NoSQL key-value/document database, not a relational database.

A company needs a tool that managed relational database service for several database engines. Which AWS service best fits? | A) Amazon DynamoDB | B) Amazon Aurora | C) Amazon RDS | D) Amazon Redshift

C) Amazon RDS. RDS manages relational database engines; Aurora is one engine family available through RDS.

A company needs a tool that command-line interface for interacting with AWS services. Which AWS service best fits? | A) AWS CLI | B) AWS Management Console | C) AWS SDKs | D) AWS CloudShell

A) AWS CLI. AWS CLI runs commands to operate AWS services; the Management Console is web-based.

A company needs a tool that adjusts provisioned capacity in response to demand or schedules. Which AWS service best fits? | A) Elastic Load Balancing | B) AWS CloudFormation | C) AWS Compute Optimizer | D) AWS Auto Scaling

D) AWS Auto Scaling. Auto Scaling changes capacity as demand changes; Compute Optimizer makes rightsizing recommendations.

A company needs a tool that provisions and manages AWS infrastructure using templates (IaC). Which AWS service best fits? | A) AWS CloudFormation | B) AWS Service Catalog | C) AWS Config | D) AWS Systems Manager

A) AWS CloudFormation. CloudFormation deploys infrastructure from templates (infrastructure as code).

A company needs a tool that records AWS account/API events for audit investigations. Which AWS service best fits? | A) Amazon GuardDuty | B) AWS Config | C) AWS CloudTrail | D) Amazon CloudWatch

C) AWS CloudTrail. CloudTrail records AWS API and account activity; CloudWatch monitors metrics and alarms.

A company needs a tool that collects metrics, logs, and alarms for operational monitoring. Which AWS service best fits? | A) AWS CloudTrail | B) AWS Trusted Advisor | C) Amazon CloudWatch | D) AWS Config

C) Amazon CloudWatch. CloudWatch gathers metrics/logs and provides alarms; CloudTrail records API activity.

A company needs a tool that analyzes resource metrics and recommends right-sized configurations. Which AWS service best fits? | A) AWS Auto Scaling | B) AWS Trusted Advisor | C) AWS Compute Optimizer | D) AWS Cost Explorer

C) AWS Compute Optimizer. Compute Optimizer analyzes utilization to recommend better resource sizes, not just more instances.

A company needs a tool that records resource configurations and evaluates compliance rules. Which AWS service best fits? | A) AWS Identity and Access Management (IAM) | B) AWS Artifact | C) AWS CloudTrail | D) AWS Config

D) AWS Config. AWS Config tracks configurations and compliance against rules; CloudTrail records API actions.

A company needs a tool that web interface for managing AWS resources and services. Which AWS service best fits? | A) AWS Management Console | B) AWS CLI | C) AWS CloudFormation | D) AWS CloudShell

A) AWS Management Console. The Management Console is the browser interface; AWS CLI uses commands.

A company needs a tool that centrally manages accounts, policies, and consolidated billing. Which AWS service best fits? | A) AWS IAM Identity Center | B) AWS Organizations | C) AWS Identity and Access Management (IAM) | D) AWS Control Tower

B) AWS Organizations. Organizations centralizes multiple accounts and consolidated billing.

A company needs a tool that provides checks and guidance across cost, security, and service best practices. Which AWS service best fits? | A) AWS Compute Optimizer | B) AWS Config | C) AWS Trusted Advisor | D) AWS Well-Architected Tool

C) AWS Trusted Advisor. Trusted Advisor gives recommendations on AWS best practices across several check categories.

A company needs a tool that helps assess workloads against AWS Well-Architected best practices. Which AWS service best fits? | A) AWS CloudFormation | B) AWS Trusted Advisor | C) AWS Well-Architected Tool | D) AWS Config

C) AWS Well-Architected Tool. The Well-Architected Tool evaluates workloads against Well-Architected Framework guidance.

A company needs a tool that migrates or replicates databases with minimal downtime. Which AWS service best fits? | A) AWS DataSync | B) AWS Database Migration Service (AWS DMS) | C) AWS Application Migration Service | D) AWS Transfer Family

B) AWS Database Migration Service (AWS DMS). DMS helps migrate and replicate databases, often minimizing application downtime.

A company needs a tool that creates and manages APIs for backend services and Lambda functions. Which AWS service best fits? | A) Amazon EventBridge | B) Amazon Route 53 | C) Amazon API Gateway | D) Amazon CloudFront

C) Amazon API Gateway. API Gateway publishes, manages, and secures APIs; CloudFront distributes content.

A company needs a tool that content delivery network that caches content near users. Which AWS service best fits? | A) AWS Global Accelerator | B) Amazon CloudFront | C) Amazon S3 Transfer Acceleration | D) Amazon Route 53

B) Amazon CloudFront. CloudFront is a CDN, caching content nearer end users; Route 53 is DNS.

A company needs a tool that provides dedicated private connectivity from on-premises networks to AWS. Which AWS service best fits? | A) AWS Site-to-Site VPN | B) AWS Direct Connect | C) AWS Transit Gateway | D) AWS PrivateLink

B) AWS Direct Connect. Direct Connect is dedicated private network connectivity; a VPN uses encrypted internet tunnels.

A company needs a tool that dNS service for domain routing, health checks, and traffic policies. Which AWS service best fits? | A) Amazon Route 53 | B) AWS Global Accelerator | C) Amazon CloudFront | D) Amazon API Gateway

A) Amazon Route 53. Route 53 provides DNS and routing; CloudFront caches and delivers content.

A company needs a tool that provides an isolated virtual network with subnets and routing in AWS. Which AWS service best fits? | A) Amazon Route 53 | B) AWS Direct Connect | C) AWS Site-to-Site VPN | D) Amazon VPC

D) Amazon VPC. A VPC is your logically isolated AWS network, including subnets and routes.

A company needs a tool that creates encrypted tunnels between on-premises networks and AWS over the internet. Which AWS service best fits? | A) AWS Site-to-Site VPN | B) AWS Direct Connect | C) AWS PrivateLink | D) AWS Client VPN

A) AWS Site-to-Site VPN. Site-to-Site VPN links on-premises networks to AWS using encrypted tunnels over the internet.

A company needs a tool that provides on-demand AWS compliance reports and agreements. Which AWS service best fits? | A) AWS Artifact | B) AWS Trusted Advisor | C) AWS Config | D) AWS Audit Manager

A) AWS Artifact. Artifact provides access to AWS compliance reports and agreements.

A company needs a tool that detects suspicious activity and threats in AWS accounts and workloads. Which AWS service best fits? | A) AWS Security Hub | B) Amazon GuardDuty | C) Amazon Macie | D) Amazon Inspector

B) Amazon GuardDuty. GuardDuty detects threats and suspicious activity; Inspector assesses software vulnerabilities.

A company needs a tool that controls access to AWS resources using identities, roles, and policies. Which AWS service best fits? | A) AWS Key Management Service (AWS KMS) | B) AWS IAM Identity Center | C) AWS Organizations | D) AWS Identity and Access Management (IAM)

D) AWS Identity and Access Management (IAM). IAM controls AWS permissions using users, roles, and policies; Identity Center manages workforce SSO.

A company needs a tool that centrally provides single sign-on access to AWS accounts and applications. Which AWS service best fits? | A) AWS Organizations | B) AWS Identity and Access Management (IAM) | C) Amazon Cognito | D) AWS IAM Identity Center

D) AWS IAM Identity Center. IAM Identity Center centralizes access/sign-in across accounts and applications.

A company needs a tool that creates and controls encryption keys used across AWS services. Which AWS service best fits? | A) AWS Key Management Service (AWS KMS) | B) AWS Secrets Manager | C) AWS CloudHSM | D) Amazon Macie

A) AWS Key Management Service (AWS KMS). KMS creates and controls encryption keys; Secrets Manager manages credentials/secrets.

A company needs a tool that stores, retrieves, and rotates application secrets and credentials. Which AWS service best fits? | A) AWS Secrets Manager | B) AWS Key Management Service (AWS KMS) | C) AWS Systems Manager Parameter Store | D) AWS Identity and Access Management (IAM)

A) AWS Secrets Manager. Secrets Manager stores and can rotate credentials and other application secrets.

A company needs a tool that protects applications against distributed denial-of-service attacks. Which AWS service best fits? | A) AWS WAF | B) Amazon GuardDuty | C) AWS Shield | D) AWS Firewall Manager

C) AWS Shield. Shield protects against DDoS; WAF filters malicious web requests.

A company needs a tool that filters malicious HTTP(S) requests to protect web applications. Which AWS service best fits? | A) AWS WAF | B) Amazon GuardDuty | C) AWS Network Firewall | D) AWS Shield

A) AWS WAF. WAF filters HTTP(S) requests to web applications; Shield is for DDoS.

A company needs a tool that runs containers without managing the underlying EC2 servers. Which AWS service best fits? | A) AWS Fargate | B) Amazon EKS | C) AWS Lambda | D) Amazon Elastic Container Service (Amazon ECS)

A) AWS Fargate. Fargate provides serverless compute for containers; ECS and EKS orchestrate them.

A company needs a tool that runs code in response to events without provisioning servers. Which AWS service best fits? | A) AWS Fargate | B) AWS Lambda | C) Amazon EC2 | D) AWS Elastic Beanstalk

B) AWS Lambda. Lambda runs event-triggered code without server provisioning.

A company needs a tool that provides block storage volumes for Amazon EC2. Which AWS service best fits? | A) Amazon Elastic File System (Amazon EFS) | B) Amazon FSx | C) Amazon Elastic Block Store (Amazon EBS) | D) Amazon S3

C) Amazon Elastic Block Store (Amazon EBS). EBS supplies block volumes to EC2; EFS offers managed shared files.

A company needs a tool that managed shared file storage used by Linux-based workloads. Which AWS service best fits? | A) Amazon S3 | B) Amazon Elastic Block Store (Amazon EBS) | C) Amazon Elastic File System (Amazon EFS) | D) Amazon FSx

C) Amazon Elastic File System (Amazon EFS). EFS provides managed shared file storage; EBS is block storage for EC2.

A company needs a tool that scalable object storage for files, backups, static assets, and data lakes. Which AWS service best fits? | A) Amazon Elastic File System (Amazon EFS) | B) Amazon S3 | C) Amazon S3 Glacier | D) Amazon Elastic Block Store (Amazon EBS)

B) Amazon S3. S3 provides object storage; EBS provides block storage and EFS file storage.

A company needs a tool that low-cost S3 archival storage classes with retrieval trade-offs. Which AWS service best fits? | A) Amazon S3 Standard | B) Amazon Elastic File System (Amazon EFS) | C) Amazon Elastic Block Store (Amazon EBS) | D) Amazon S3 Glacier

D) Amazon S3 Glacier. S3 Glacier storage classes are for archival with cost/retrieval tradeoffs.