While creating an online marketplace that updates users quickly when prices or stock details change, an engineer needs a way to maintain a continuous data flow without repeated requests. Which approach handles this requirement?
A method that converts incoming triggers into queued tasks for deferred updates
A method that serves each inquiry in isolated operations with structured outputs
A method that keeps a session-based channel open for two-way communication
A method that relies on custom queries for extracting data in specialized ways
A method that establishes a two-way channel across a session achieves fast updates without repeated requests. It is designed for scenarios where users need live information. The other approaches depend on distinct call-and-response patterns or rely on delays through event queues or advanced query methods, which are not as suitable for ongoing data exchange.
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What is a session-based channel for communication?
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How does a two-way communication channel differ from traditional polling?
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What are some common technologies for implementing two-way communication channels?