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📝 Quiz · Core AWS Services
AWS Cloud Practitioner · Pass mark: 70%
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1
Which EC2 purchasing option provides the GREATEST cost savings but can be interrupted by AWS with short notice?
A
On-Demand Instances
B
Reserved Instances
C
Spot Instances
D
Dedicated Hosts
2
Which S3 storage class is the most cost-effective for data that must be retained for 7+ years and is rarely, if ever, accessed?
A
S3 Standard
B
S3 Standard-IA
C
S3 Glacier Instant Retrieval
D
S3 Glacier Deep Archive
3
A developer needs their EC2 instance to read objects from an S3 bucket securely. What is the BEST practice?
A
Embed AWS access keys in the application code
B
Store credentials in an environment variable on the instance
C
Attach an IAM Role with appropriate S3 permissions to the EC2 instance
D
Create an IAM User and share the credentials via a config file
4
Which VPC component allows instances in a private subnet to initiate outbound internet traffic while preventing inbound connections from the internet?
A
Internet Gateway
B
NAT Gateway
C
VPC Peering
D
VPN Gateway
5
Which AWS service runs your code in response to events and automatically manages the underlying compute resources?
A
Amazon EC2
B
Amazon ECS
C
AWS Lambda
D
AWS Fargate
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