D-ECS-DS-23 · Question #117
Which protocol is least suitable for real-time data streaming in an ECS cluster?
The correct answer is C. SMTP. SMTP (Simple Mail Transfer Protocol) is designed exclusively for sending email messages between mail servers - it has no capability for bidirectional, low-latency data streaming, making it completely unsuitable for real-time communication in an ECS cluster. The distractors are…
Question
Which protocol is least suitable for real-time data streaming in an ECS cluster?
Options
- AWebSockets
- BMQTT
- CSMTP
- DHTTP/2
How the community answered
(40 responses)- A5% (2)
- B3% (1)
- C90% (36)
- D3% (1)
Explanation
SMTP (Simple Mail Transfer Protocol) is designed exclusively for sending email messages between mail servers - it has no capability for bidirectional, low-latency data streaming, making it completely unsuitable for real-time communication in an ECS cluster.
The distractors are all valid streaming options: WebSockets (A) enables full-duplex, persistent connections ideal for real-time events; MQTT (B) is a lightweight pub/sub protocol purpose-built for IoT and high-frequency data streams; and HTTP/2 (D) supports server push and multiplexed streams, making it viable for real-time workloads.
Memory tip: Think "email ≠ stream." SMTP's job is to deliver messages to a mailbox, not to maintain a live data channel - if a protocol has "mail" in its purpose, eliminate it immediately for any streaming scenario.
Topics
Community Discussion
No community discussion yet for this question.