多项选择题
Which two states are the port states when RSTP has converged?（）
A.blocking
B.learning
C.disabled
D.forwarding
E.listening
相关考题
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多项选择题
WhichcommandsarerequiredtoproperlyconfigurearoutertoproperlyconfigurearoutertorunOSPFandtoaddnetwork192.168.16.0/24toOSPFarea0？（）
A.Router（config）#router ospf 1
B.Router（config）#router ospf 0
C.Router（config）#router ospf area 0
D.Router（config-router）#network 192.168.16.0 0.0.0.255 area 0
E.Router（config-router）#network 192.168.16.0 0.0.0.255 0
F.Router（config-router）#network 192.168.16.0 255.255.255.0 area 0 -
单项选择题
How many addresses for hosts will the network 124.12.4.0/22 provide?（）
A.510
B.1022
C.1024
D.2048 -
单项选择题
Whichstatementaboutvlanoperationonciscocatalystswitchesistrue？（）
A.when a packet is received from an 802.1Q trunk，the vlan id can be determined from the source MAC address table
B.unkown unicast frames are retransmitted only to the ports that belong to the same vlan
C.ports between switches should be configured in access mode so that vlans can span across the ports
D.broadcast and multicast frames are retransmitted to ports that are configured on different vlan
