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web.groovymark@gmail.com
- November 26, 2024
Question 01
What AWS service provides centralized governance and management across AWS accounts?
a) AWS IAM
b) AWS Control Tower
c) AWS Systems Manager
d) AWS CloudFormation
Correct Answer: b) AWS Control Tower
Explanation: AWS Control Tower offers centralized governance and management across AWS accounts and helps organizations manage multiple AWS accounts with policies and guardrails.
Question 02
What type of storage is provided by Amazon FSx for Windows File Server?
a) Block storage
b) Object storage
c) Distributed storage
d) File storage
Correct Answer: d) File storage
Explanation: Amazon FSx for Windows File Server provides file storage that is accessible by EC2 instances over the SMB protocol.
Question 03
Which AWS service helps reduce the time to deliver content to global users by caching content at edge locations?
a) AWS Global Accelerator
b) Amazon CloudFront
c) AWS Elastic Beanstalk
d) AWS Batch
Correct Answer: b) Amazon CloudFront
Explanation: Amazon CloudFront is a content delivery network (CDN) service that accelerates the delivery of web content by caching copies at edge locations closer to users.
Question 04
Which AWS service helps manage and secure SSH connections to EC2 instances without exposing them over the internet?
a) AWS Systems Manager Session Manager
b) Amazon Inspector
c) AWS IAM
d) AWS CloudTrail
Correct Answer: a) AWS Systems Manager Session Manager
Explanation: AWS Systems Manager Session Manager provides secure, browser-based SSH access to EC2 instances without needing to open inbound SSH ports.
Question 05
What is the maximum size of a single DynamoDB table?
a) 20 TB
b) Unlimited
c) 10 TB
d) 5 TB
Correct Answer: b) Unlimited
Explanation: Amazon DynamoDB automatically scales in storage capacity, meaning there is no limit on the size of a DynamoDB table.
Question 06
What type of AWS instance is designed to be used for applications with predictable usage patterns, and allows customers to pay a lower rate for usage?
a) Spot Instances
b) Reserved Instances
c) On-Demand Instances
d) Dedicated Instances
Correct Answer: b) Reserved Instances
Explanation: Reserved Instances provide a discounted hourly rate for EC2 usage in exchange for committing to a specific instance type for a 1- or 3-year term.
Question 07
What does AWS CloudTrail primarily track?
a) Cloud resource costs
b) User activity and API calls
c) Application health
d) Network performance
Correct Answer: b) User activity and API calls
Explanation: AWS CloudTrail tracks user activity and records API calls made in your AWS account, providing visibility into actions performed on AWS resources.
Question 08
Which Amazon RDS database engine supports geospatial queries?
a) MySQL
b) PostgreSQL
c) Oracle
d) MariaDB
Correct Answer: b) PostgreSQL
Explanation: PostgreSQL supports geospatial queries through its PostGIS extension, allowing for spatial database operations.
Question 09
What AWS service helps you manage policies for granting users access to AWS resources?
a) AWS CloudFormation
b) AWS IAM
c) AWS Glue
d) AWS CodePipeline
Correct Answer: b) AWS IAM
Explanation: AWS Identity and Access Management (IAM) allows users to manage permissions and policies for controlling access to AWS resources.
Question 10
Which AWS service allows you to define workflows as state machines?
a) AWS Lambda
b) Amazon Elastic Transcoder
c) AWS Step Functions
d) AWS Glue
Correct Answer: c) AWS Step Functions
Explanation: AWS Step Functions allow you to define workflows as state machines, coordinating tasks in distributed applications.
Question 11
Which AWS service can improve the performance of read-heavy applications by caching frequently accessed data
a) Amazon CloudWatch
b) AWS ElastiCache
c) AWS Lambda
d) AWS S3 Glacier
Correct Answer: b) AWS ElastiCache
Explanation: AWS ElastiCache helps improve the performance of read-heavy applications by caching frequently accessed data in-memory.
Question 12
What is the purpose of Amazon S3 lifecycle policies?
a) To automatically replicate data across regions
b) To move objects to different storage classes over time
c) To encrypt objects at rest
d) To log API requests
Correct Answer: b) To move objects to different storage classes over time
Explanation: Amazon S3 lifecycle policies automate the transition of objects between different storage classes based on predefined criteria, such as object age.
Question 13
Which AWS service supports real-time monitoring of resource usage and performance data?
a) AWS CloudTrail
b) AWS CloudWatch
c) AWS Config
d) AWS Lambda
Correct Answer: b) AWS CloudWatch
Explanation: AWS CloudWatch monitors AWS resources in real-time and provides metrics for CPU utilization, memory usage, and more.
Question 14
What AWS service provides a fully managed, highly available, in-memory cache?
a) Amazon S3
b) Amazon DynamoDB
c) Amazon ElastiCache
d) Amazon RDS
Correct Answer: c) Amazon ElastiCache
Explanation: Amazon ElastiCache provides a fully managed, highly available in-memory cache service to accelerate the performance of applications.
Question 15
What is the purpose of a NAT Gateway in AWS?
a) To provide internet access for instances in private subnets
b) To enforce security group policies
c) To monitor VPC traffic
d) To manage DNS queries
Correct Answer: a) To provide internet access for instances in private subnets
Explanation: A NAT Gateway provides internet access to instances in private subnets by translating private IP addresses to a public IP address.
Question 16
What AWS service helps you manage and deploy Docker containers?
a) AWS Lambda
b) Amazon EKS
c) Amazon CloudFront
d) AWS Glue
Correct Answer: b) Amazon EKS
Explanation: Amazon Elastic Kubernetes Service (EKS) is a managed service that helps you run and deploy Kubernetes-based applications using Docker containers.
Question 17
What is Amazon GuardDuty used for?
a) To optimize resource costs
b) To detect security threats
c) To manage DNS routing
d) To scale compute instances
Correct Answer: b) To detect security threats
Explanation: Amazon GuardDuty detects and analyzes potential security threats in your AWS environment by using machine learning and threat intelligence.
Question 18
What AWS service is used to create highly available DNS solutions?
a) Amazon Route 53
b) Amazon CloudWatch
c) AWS Lambda
d) Amazon RDS
Correct Answer: a) Amazon Route 53
Explanation: Amazon Route 53 is a highly available DNS web service that provides DNS resolution for applications hosted on AWS.
Question 19
Which AWS service allows you to run code without provisioning or managing servers?
a) AWS EC2
b) AWS Lambda
c) AWS Fargate
d) AWS Batch
Correct Answer: b) AWS Lambda
Explanation: AWS Lambda enables users to run code without provisioning or managing any servers by triggering functions in response to events.
Question 20
What is the purpose of AWS Security Groups?
a) To monitor network traffic
b) To provide DNS services
c) To act as a virtual firewall for EC2 instances
d) To create virtual private networks
Correct Answer: c) To act as a virtual firewall for EC2 instances
Explanation: AWS Security Groups act as virtual firewalls that control inbound and outbound traffic to EC2 instances.
