When the behavior of a Cisco collaboration device is customized, which use case requires an external control system because implementing JavaScript macro does not suffice?

Question

Options

• AAdd a join Webex meeting button to the touch panel.
• BMove the shutters up and down.
• CTrigger a "room-reset" to restore default configurations.
• DImplement an in-room control panel for speed-dialing.

• A
  5% (1)
• B
  80% (16)
• D
  15% (3)

Explanation

Controlling motorized window shutters requires interfacing with external physical building systems - hardware that sits completely outside the Cisco device's software environment. JavaScript macros run sandboxed on the Cisco device and can interact with the xAPI and UI extensions, but they cannot natively drive building automation hardware (motors, relays, RS-485 buses, etc.). A dedicated external control system (e.g., Crestron, AMX) has the physical I/O and protocol support needed to actually move the shutters.

Why the distractors are wrong:

• A (Join Webex button): Macros can create custom UI extension buttons and call xAPI commands to join meetings - no external system needed.
• C (Room-reset): The xAPI exposes configuration reset commands that a macro can invoke directly on the device.
• D (Speed-dial panel): UI Extensions combined with macros are the textbook use case for custom in-room speed-dial panels - fully doable without external hardware.

Memory tip: Ask yourself "Does this task live inside the Cisco device or outside it?" If the action only touches the device's software world (calls, UI, settings), macros suffice. If it touches the physical room environment (lights, blinds, shades, HVAC), you need an external control system with real-world I/O.

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