問題文
The voice handsets have to keep the call alive while the user walks between floors, and the customer also wants to be told when unknown radios appear in the building. What pair of elements does the design add?
選択肢
- Keeping the call alive while the user walks needs the assisted transition, and being told about unknown radios needs the printed sensors the security architecture has to place somewhere.
- Keeping the call alive while the user walks needs the renewed transition, and being told about unknown radios needs the printed sensors the security architecture has to place somewhere.
- Keeping the call alive while the user walks needs the renewed transition, and being told about unknown radios needs the listening sensors the security architecture has to place somewhere.
- Keeping the call alive while the user walks needs the assisted transition, and being told about unknown radios needs the listening sensors the security architecture has to place somewhere.