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单项选择题 Router R1, a branch router, connects to the Internet using DSL. The engineer plans to use a configuration with a dialer interface. The answers list a feature and interface on which the feature could be configured. Which combinations accurately describe the interface under which a feature will be configured?()

A、PPP on the ATM interface

B、VPI/VCI on the dialer interface

C、IP address on the ATM interface

D、CHAP on the dialer interface

  • D
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