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CLF-C02 · Question #648

A company needs to apply security rules to specific Amazon EC2 instances. Which AWS service or feature provides this functionality?

The correct answer is D. Security groups. Security groups act as virtual firewalls for Amazon EC2 instances, allowing you to control inbound and outbound traffic at the instance level. You can specify rules to allow specific types of traffic and restrict others, applying these rules directly to individual EC2 instances o

Submitted by fernanda_arg· Mar 6, 2026Security and Compliance

Question

A company needs to apply security rules to specific Amazon EC2 instances. Which AWS service or feature provides this functionality?

Options

  • AAWS WAF
  • BNetwork ACLs
  • CAmazon VPC
  • DSecurity groups

How the community answered

(48 responses)
  • A
    2% (1)
  • B
    4% (2)
  • C
    6% (3)
  • D
    88% (42)

Explanation

Security groups act as virtual firewalls for Amazon EC2 instances, allowing you to control inbound and outbound traffic at the instance level. You can specify rules to allow specific types of traffic and restrict others, applying these rules directly to individual EC2 instances or groups of

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