The AWS Certified Cloud Practitioner (CLF-C02) exam is designed for individuals who want to demonstrate their overall understanding of AWS Cloud. It covers basic AWS services and their benefits.
A company needs to securely share files between AWS accounts. What service should they use?
AAmazon S3 Accelerate
BAWS Transfer Family
CAWS S3 Bucket Policies
DAmazon EFS
Explanation
S3 Bucket Policies can manage permissions for cross-account access, while the other options do not specifically address security in sharing between accounts.
Q312
You are configuring a security group for a web application in AWS. What will happen if you set the inbound rules to deny all traffic?
AApplication becomes accessible outside
BApplication is completely inaccessible
CGroup allows public access
DAll traffic is logged
Explanation
Denying all inbound traffic makes the application inaccessible, whereas the other options imply some level of accessibility or logging.
Q313
Which AWS service provides managed NoSQL databases?
ADynamoDB
BRDS
CRedshift
DAurora
Explanation
DynamoDB is a fully managed NoSQL database service; RDS and Aurora are for SQL databases, while Redshift is for data warehousing.
Q314
A company's application needs to scale automatically based on traffic. Which service should they use?
ARoute 53
BCloudFront
CAuto Scaling
DS3
Explanation
Auto Scaling automatically adjusts capacity based on demand; Route 53 manages DNS, CloudFront caches content, and S3 stores data but doesn’t scale applications.
Q315
What happens when you exceed your AWS free tier limits?
ANo services available
BServices auto-upgrade to paid
CService continues unaltered
DYou receive an extra month free
Explanation
When you exceed free tier limits, you will be charged based on standard rates; services do not become unavailable, but you incur costs.
Q316
Which AWS service is used for serverless compute?
AAWS Lambda
BAmazon EC2
CAmazon RDS
DAmazon S3
Explanation
AWS Lambda enables serverless execution of code while other options involve managing infrastructure or storage.
Q317
A company needs to analyze large streaming data in real-time. Which service should they use?
AAmazon Redshift
BAWS Glue
CAmazon Kinesis
DAmazon Athena
Explanation
Amazon Kinesis is designed specifically for real-time stream processing, whereas the others are primarily for batch processing or ETL tasks.
Q318
What happens when an EC2 instance is stopped?
AData is lost from instance storage
BInstance loses public IP address
CEC2 instance remains running
DData in EBS volumes is deleted
Explanation
Stopping an EC2 instance generally releases its public IP address, while data on EBS volumes persists intact.
Q319
Which AWS service enables you to run code in response to events without provisioning servers?
AAWS Lambda
BAmazon EC2
CAWS Batch
DAmazon RDS
Explanation
AWS Lambda automatically manages server resources for event-driven code execution, unlike the other options which require provisioning or management.
Q320
A company needs to ensure high availability for its web application but wants to keep costs low. Which strategy should it adopt?
AUse single EC2 instances
BDeploy EC2 across multiple Availability Zones
CHost on-premises servers
DUtilize a single region only
Explanation
Deploying across multiple Availability Zones enhances availability while maintaining cost-efficiency compared to other strategies.