多項選擇題

Which of the following statements describe the network shown in the graphic? （）

A.There are two broadcast domains in the network.
B.There are four broadcast domains in the network.
C.There are six broadcast domains in the network.
D.There are four collision domains in the network.
E.There are five collision domains in the network.
F.There are seven collision domains in the network.


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1.單項選擇題Which command enables RSTP on a switch?（）

A.spanning-tree mode rapid-pvst
B.spanning-tree uplinkfast
C.spanning-tree backbonefast
D.spanning-tree mode mst

2.多項選擇題Which two commands can be used to verify a trunk link configuration status on a given cisco switch?（）

A.show interfaces interface
B.show interfaces trunk
C.show interfaces switchport
D.show ip interface brief
E.show interfaces vlan

3.多項選擇題Which two states are the port states when RSTP has converged?（）

A.blocking
B.learning
C.discarding
D.forwarding
E.listening

4.多項選擇題In an Ethernet network, under what two scenarios can devices transmit? （）

A.when they receive a special token
B.when there is a carrier
C.when they detect no other devices are sending
D.when the medium is idle
E.when the server grants access

5.多項選擇題Which of the following are benefits of VLANs? （）

A.They increase the size of collision domains.
B.They allow logical grouping of users by function.
C.They can enhance network security.
D.They increase the size of broadcast domains while decreasing the number of collision domains.
E.They increase the number of broadcast domains while decreasing the size of the broadcast domains.
F.They simplify switch administration.