Mesh
Token ring
Star
Spanning tree
第1题：
A. Mesh
B. Token ring
C. Star
D. Spanning tree
第2题：
Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs？（）
第3题：
In the following statements about graph operations，which one is NOT correct?
A．Finding critical path is an operation on directed graph
B．Finding critical path is an operation on undirected graph
C．Spanning tree of a graph may not be unique
D．Minimum spanning tree of a graph may not be unique
第4题：
Failure of which of the following parts could cause the laptop display to stop functioning?（） (Select TWO).
第5题：
Which spanning tree mode will allow you to put multiple vlans into one instance？
第6题：
Which of the following are spanning tree port states?（）
第7题：
In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops can cause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limit excessive traffic during spanning-tree loop conditions？ （）
第8题：
A.Mesh
B.Bus
C.Ring
D.Star
第9题：
Which of the following network topologies is MOST likely to affect other devices on the network if there is a problem with one of the devices? （）
第10题：
Which of the following cable types can cause interference on the network when disconnecting any one machine？（）