PROFESSIONAL-CLOUD-ARCHITECT · Question #314
Case Study: 9 - Helicopter Racing League Company overview Helicopter Racing League (HRL) is a global sports league for competitive helicopter racing. Each year HRL holds the world championship and…
The correct answer is B. Use Video Intelligence API Streaming API D. Use HLS protocol. This question tests knowledge of the appropriate protocol and streaming service for delivering live video race content with real-time telemetry analysis to a global audience.
Question
Options
- AUse HTTP protocol
- BUse Video Intelligence API Streaming API
- CUse DataFlow
- DUse HLS protocol
- EUse Pub/Sub
How the community answered
(53 responses)- A11% (6)
- B81% (43)
- C2% (1)
- E6% (3)
Why each option
This question tests knowledge of the appropriate protocol and streaming service for delivering live video race content with real-time telemetry analysis to a global audience.
Generic HTTP protocol lacks the adaptive bitrate segmentation, manifest-based seeking, and CDN integration that HLS provides; it is not a suitable choice for large-scale live video streaming.
The Video Intelligence API Streaming API can analyze live video streams in real time, enabling HRL to extract race telemetry and generate predictions frame-by-frame as the race is broadcast, which directly supports the live prediction feature.
Dataflow is a managed data processing service for stream and batch ETL pipelines; while it can process telemetry data, it is not a video streaming protocol or service for delivering video content to end viewers.
HTTP Live Streaming (HLS) is the industry-standard adaptive bitrate streaming protocol supported by all major browsers, mobile devices, and CDNs; it enables HRL to deliver live race video globally with adaptive quality adjustment based on viewer bandwidth, which is critical for fans in emerging regions.
Pub/Sub is a messaging service for asynchronous event ingestion and decoupling microservices; it is not a video delivery protocol and cannot replace HLS for streaming video to millions of concurrent viewers.
Concept tested: HLS protocol and Video Intelligence API for live video streaming and analysis
Source: https://cloud.google.com/video-intelligence/docs/streaming
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