(CLF-C01) Flashcards

Which AWS service is used to distribute incoming application traffic across multiple Amazon EC2 instances?

Answer: Elastic Load Balancing

Elastic Load Balancing automatically distributes incoming traffic across multiple EC2 instances to improve availability and fault tolerance.

What AWS concept refers to the ability to acquire resources as you need them and release them when you don't?

Answer: Elasticity

Elasticity in the cloud means you can scale resources up or down dynamically to match actual demand.

Which S3 storage class is designed for data that is accessed less than once a month but requires rapid access when needed?

Answer: S3 Glacier Instant Retrieval

S3 Glacier Instant Retrieval offers low-cost archival storage for rarely accessed data with millisecond retrieval times.

Which IAM best practice helps prevent unauthorized access if AWS credentials are compromised?

Answer: Enabling Multi-Factor Authentication (MFA)

Enabling MFA adds a second layer of authentication, making compromised credentials alone insufficient for unauthorized access.

A startup wants to estimate costs before migrating to AWS. Which tool should they use?

Answer: AWS Pricing Calculator

The AWS Pricing Calculator lets you model your AWS architecture and estimate costs before deploying any resources.

Which AWS service provides a dedicated private connection from an on-premises data center to AWS?

Answer: AWS Direct Connect

AWS Direct Connect establishes a dedicated physical network connection between an on-premises facility and AWS, bypassing the public internet.

Which AWS support plan provides access to a Technical Account Manager (TAM)?

Answer: Enterprise

AWS Enterprise support plan includes a designated Technical Account Manager (TAM) who provides proactive guidance and advocacy.