A company wants to use automated video analysis to identify employees that are accessing its offices. Which AWS service will meet this requirement?

Question

Options

• AAmazon Rekognition
• BAmazon Polly
• CAmazon Cognito
• DAWS Lambda

• A
  91% (59)
• B
  5% (3)
• C
  2% (1)
• D
  3% (2)

Explanation

Amazon Rekognition is the correct choice because it is AWS's dedicated computer vision service that can analyze images and video to detect and recognize faces, making it ideal for identifying employees accessing office spaces through automated video analysis.

Why the other options are wrong:

• Amazon Polly (B) is a text-to-speech service that converts written text into natural-sounding audio - it has nothing to do with image or video analysis.
• Amazon Cognito (C) is an identity and access management service used for user authentication in applications (like login systems), not for physical video-based facial recognition.
• AWS Lambda (D) is a serverless compute service that runs code in response to events - it could potentially support a solution, but it is not itself a video analysis service.

Memory Tip: Think of "Rekognition" as literally recognizing things in images and video - faces, objects, text, and scenes. If the exam question involves analyzing visual content (especially faces or video), Rekognition is almost always the answer. Associate it with the phrase: "I Rekognize your face!"

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