DAY 23 : [Part 3] Navigating AWS CLF-C02 Essential MCQs and Explanations 🔍

Good learners , you did great work now we will solve more 20 mcq from 41 to 60 which can help you in aws clf c02 exam.

41. Which AWS service provides a managed environment for machine learning workflows?

a) Amazon Rekognition
b) AWS Lambda
c) Amazon SageMaker
d) AWS DeepLens
Answer: c) Amazon SageMaker
Explanation: SageMaker simplifies building, training, and deploying machine learning models.

42. Which AWS service provides DNS resolution?

a) Amazon CloudFront
b) Amazon Route 53
c) AWS Global Accelerator
d) AWS Direct Connect
Answer: b) Amazon Route 53
Explanation: Route 53 is a scalable DNS web service for domain name registration and traffic routing.

43. What type of storage is Amazon Glacier designed for?

a) Frequently accessed data
b) Infrequently accessed data and long-term backups
c) High-performance database storage
d) Temporary session storage
Answer: b) Infrequently accessed data and long-term backups
Explanation: Glacier is a cost-effective solution for archiving and long-term data retention.

44. Which feature does Amazon S3 offer to help manage costs?

a) Lifecycle policies
b) Content caching
c) Real-time analytics
d) Database management
Answer: a) Lifecycle policies
Explanation: Lifecycle policies automate transitioning objects to different storage classes to optimize costs.

45. What does AWS Shield Standard protect against?

a) Malware
b) Distributed Denial of Service (DDoS) attacks
c) Unauthorized API access
d) Data breaches
Answer: b) Distributed Denial of Service (DDoS) attacks
Explanation: Shield Standard provides automatic protection against common DDoS attacks.

46. Which AWS service provides real-time application monitoring?

a) AWS CloudTrail
b) Amazon CloudWatch
c) AWS Config
d) AWS X-Ray
Answer: b) Amazon CloudWatch
Explanation: CloudWatch monitors and collects logs, metrics, and events from AWS resources.

47. What is the main purpose of AWS Elastic Beanstalk?

a) Manage containerized applications
b) Automate application deployment and scaling
c) Provide high availability for EC2 instances
d) Store data in a relational database
Answer: b) Automate application deployment and scaling
Explanation: Elastic Beanstalk simplifies deployment, management, and scaling of web applications.

48. Which of these is a security best practice in AWS?

a) Use root user for all operations
b) Enable MFA for all users
c) Share IAM credentials among team members
d) Use public S3 buckets for sensitive data
Answer: b) Enable MFA for all users
Explanation: Multi-Factor Authentication (MFA) adds an extra layer of security for user accounts.

49. What is the default data storage class in Amazon S3?

a) S3 One Zone-IA
b) S3 Standard
c) S3 Intelligent-Tiering
d) S3 Glacier
Answer: b) S3 Standard
Explanation: S3 Standard is the default storage class optimized for frequent access.

50. What does Amazon VPC allow you to do?

a) Encrypt S3 objects
b) Create isolated networks within the AWS cloud
c) Automatically deploy applications
d) Manage DNS records for domains
Answer: b) Create isolated networks within the AWS cloud
Explanation: VPC enables you to define a logically isolated network in the AWS cloud.

51. Which AWS service can help analyze access patterns for S3 objects?

a) AWS Config
b) AWS S3 Analytics
c) AWS Cost Explorer
d) AWS Trusted Advisor
Answer: b) AWS S3 Analytics
Explanation: S3 Analytics provides insights to optimize storage class usage based on access patterns.

52. What is a key benefit of using AWS Lambda?

a) Long-running processes
b) Pay only for the compute time used
c) Predefined instance types
d) Requires a dedicated server
Answer: b) Pay only for the compute time used
Explanation: Lambda charges based on execution duration and memory usage, reducing costs for intermittent workloads.

53. Which AWS service provides data warehousing?

a) Amazon Redshift
b) Amazon Aurora
c) Amazon DynamoDB
d) Amazon RDS
Answer: a) Amazon Redshift
Explanation: Redshift is a data warehouse solution for big data analytics.

54. Which of the following is an AWS serverless database service?

a) Amazon RDS
b) Amazon Aurora
c) Amazon DynamoDB
d) Amazon Neptune
Answer: c) Amazon DynamoDB
Explanation: DynamoDB is a fully managed NoSQL database that requires no server management.

55. Which service should you use for real-time streaming data processing?

a) AWS Glue
b) Amazon Kinesis
c) AWS Batch
d) AWS Step Functions
Answer: b) Amazon Kinesis
Explanation: Kinesis enables real-time ingestion and processing of streaming data.

56. What type of service is Amazon GuardDuty?

a) Content delivery network
b) Threat detection service
c) Configuration management tool
d) Data encryption service
Answer: b) Threat detection service
Explanation: GuardDuty identifies security threats by analyzing AWS account activity and network traffic.

57. Which feature does Amazon RDS support to enhance availability?

a) Multi-AZ deployment
b) S3 versioning
c) Elastic IP
d) Auto-scaling groups
Answer: a) Multi-AZ deployment
Explanation: Multi-AZ ensures high availability by creating a standby instance in another availability zone.

58. Which AWS service provides a consistent database for mobile apps?

a) Amazon DynamoDB
b) Amazon ElastiCache
c) Amazon S3
d) AWS Fargate
Answer: a) Amazon DynamoDB
Explanation: DynamoDB is ideal for mobile apps due to its low-latency and scalability.

59. What does AWS Identity and Access Management (IAM) allow you to manage?

a) Server performance
b) Resource tags
c) Permissions for AWS services and resources
d) Backup schedules
Answer: c) Permissions for AWS services and resources
Explanation: IAM manages access to AWS services through policies for users, groups, and roles.

60. What is AWS CloudFormation used for?

a) Monitoring system logs
b) Automating infrastructure provisioning using templates
c) Scaling applications based on demand
d) Encrypting data in transit
Answer: b) Automating infrastructure provisioning using templates
Explanation: CloudFormation allows you to define and manage infrastructure as code using YAML or JSON templates.

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