A. Accept all local routes B. Accept all RIP routes C. Accept no routes D. Accept all direct routes
单项选择题What is the role of route preference?()
A. It is used as a tie breaker when the same prefix is available through multiple sources B. It is used to determine which routes to accept into the routing table C. It is used to select the best route between multiple equal-cost paths D. It is used to select which routing table to use for forwarding
单项选择题What is a valdi multicast MAC address?()
A. 00:90:69:9F:EA:46 B. FF:FF:FF:FF:FF:FF C. 01:00:5E:28:12:95 D. 99:99:99:99:99:99