A network is deployed using best practices of the enterprise campus network model， including users with desktop computers connected via IP phones. Given that all components are QoS-capable， where are the two optimal locations for trust boundaries to be configured by the network administrator？（）A、hostB、IP phoneC、access layer switchD、distribution layer switchE、core layer switch
A network is deployed using best practices of the enterprise campus network model， including users with desktop computers connected via IP phones. Given that all components are QoS-capable， where are the two optimal locations for trust boundaries to be configured by the network administrator？（）
- A、host
- B、IP phone
- C、access layer switch
- D、distribution layer switch
- E、core layer switch
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