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Share some CCNA SP 640-875 exam questions and answers below.
Which three statements about Cisco Discovery Protocol operations on a Cisco ME3400 switch are true? (Choose three.)
A. Cisco Discovery Protocol is enabled by default on NNI ports.
B. Cisco Discovery Protocol is enabled by default on all NNI, ENI, and UNI ports.
C. Cisco Discovery Protocol is disabled by default on ENI ports.
D. Cisco Discovery Protocol is not supported on NNI or ENI ports.
E. Cisco Discovery Protocol is not supported on UNI ports.
Answer: A,C,E
What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch?
A. multiple spanning tree (mst)
B. per-vlan rapid spanning tree (rapid-pvst)
C. per-vlan spanning tree (pvst)
D. IEEE 802.1D (stp)
Answer: B
When two or more different routes exist to the same destination that have been learned from two different routing protocols, what does a router use to determine the best route?
A. routing protocol metric
B. administrative distance
C. hop count
D. path cost
E. local preference
Answer: B
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