A Company Has Windows Amazon EC2 Instances in a VPC

question 219

Multiple Choice

A company has Windows Amazon EC2 instances in a VPC that are joined to on-premises Active Directory servers for domain services. The security team has enabled Amazon GuardDuty on the AWS account to alert on issues with the instances. During a weekly audit of network traffic, the Security Engineer notices that one of the EC2 instances is attempting to communicate with a known command-and-control server but failing. This alert does not show up in GuardDuty. Why did GuardDuty fail to alert to this behavior?

• A) GuardDuty did not have the appropriate alerts activated.
• B) GuardDuty does not see these DNS requests.
• C) GuardDuty only monitors active network traffic flow for command-and-control activity.
• D) GuardDuty does not report on command-and-control activity.

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Definitions:

Speech Synthesis

The artificial production of human speech by computers or other devices.

Digital Vocalics

The study of how voice qualities and vocal expressions influence communication in digital mediums, including tone, pitch, and speed in voice or video messages.

Professionalism

The conduct, aims, or qualities that characterize or mark a profession or professional person; often involves adherence to ethical standards.

Distinct Traits

Unique characteristics or qualities that set someone or something apart from others.