如图,每个交换机都配置了主机名,也都运行了RSTP,在就没有做其他的配置了。下面哪三个选项正确的描述了RSTP的端口角色?()
A.SwitchA上,Fa0/2,指定
B.SwitchA上,Fa0/1,根
C.SwitchB上,GI0/2,根
D.SwitchB上,GI0/1,指定
E.SwitchC上,Fa0/2,根
F.SwitchD上,GI0/2,根
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A.destination address and wildcard mask
B.source address and wildcard mask
C.destination address and subnet mask
D.source address and subnet mask
A.show interfaces interface
B.show vlan bri
C.show interfaces interface switchport
D.show interface interface trunk
E.show interfaces vlan
What is the most likely reason for the dispartly between the actual network numbers at the branches and the routes in the routing table on Gateway-Router?()
A.Branch-Router2 is configured to send both RIPv1 and RIPv2 updates.
B.Gateway-Router is configured to only receive RIPv2 updates.
C.Gateway-router is configured to receive only RIPv1 updates.
D.Branch-Router1 is configured to only send RIPv1 updates.
A.show ip ospf lsa database
B.show ip ospf link-state
C.show ip ospf neighbors
D.show ip ospf database
A.show ip access-list
B.show access-list
C.list ip interface
D.show interface
E.show ip interface
如图,如果所有的链接都运行在相同的带宽,哪些端口会被STP指定的端口?()
A. Switch A - Fa0/0
B. Switch A - Fa0/1
C. Switch B - Fa0/0
D. Switch B - Fa0/1
E. Switch C - Fa0/0
F. Switch C - Fa0/1
A.the switch with the lowest MAC address
B.the switch with the higest MAC address
C.the switch witch the higest IP address
D.the switch with the lowest IP address
A.to provide a mechanism to dynamically assign vlan membership to switch ports
B.to allow traffic to be carried from multiple vlans over a single link between switches
C.to allow native vlan information to be carried over a trunk link
D.to provide a mechanism to manually assign vlan membership to switch ports
E.to allow for managing the additions,deletions,and changes of vlans between switchs
A.它是一个2层的消息协议,它保证通过网络的VLAN配置
B.它包括一个8比特字段指定的帧的优先级
C.它是专门用于标记的VLAN帧和下交换网络拓扑结构的变化剂量不能满足网络的重新收敛
D.它修改802.3帧报头,并且因此需要在FCS重新计算
E.它是一种能够携带未标记的帧的中继协议
A.any-to-many communication model
B.delivery of packets to the group interface that is closest to the sending device
C.one-to-many communication model
D.the same address for multiple devices in the group
E.one-to-nearest communication model
F.a unique IPV6 address for each device in the group
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