300-915 · Question #31
Which connector is southbound?
The correct answer is C. device connector. Device Connector sits at the southbound position in network architecture because it communicates downward toward the physical infrastructure - the actual managed devices, hardware, or data plane elements below the controller/management layer. Horizontal connector (A) is wrong…
Question
Which connector is southbound?
Options
- Ahorizontal connector
- Bcloud connector
- Cdevice connector
- Duniversal connector
How the community answered
(30 responses)- B7% (2)
- C90% (27)
- D3% (1)
Explanation
Device Connector sits at the southbound position in network architecture because it communicates downward toward the physical infrastructure - the actual managed devices, hardware, or data plane elements below the controller/management layer.
- Horizontal connector (A) is wrong because it operates east-west, connecting peer systems at the same layer rather than moving up or down the hierarchy.
- Cloud connector (B) is wrong because it typically faces upward or outward toward cloud-based services and management platforms - a northbound or external direction.
- Universal connector (D) is wrong because it implies generalized, multi-directional connectivity rather than a specific directional relationship in the control architecture.
Memory tip: Think of "south" as pointing down to the ground (devices, hardware, infrastructure) - the Device connector goes down to the devices, making it the southbound one. If it touches iron, it's southbound.
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