問答題what is RPF( Reverse Path Forwarding )?

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1.單項(xiàng)選擇題

Refer to the exhibit. In this network,R1 is configured not to perform autosummarization within EIGRP. What routes will R3 learn from R2 through EIGRP?()

A.172.30.1.0/24 and 10.1.2.0/24;EIGRP only performs autosummarization at the edge between two major networks
B.172.30.0.0/16 and 10.1.2.0/24;R2 will perform autosummarization,although R1 will not
C.Since R2 is configured without autosummarization,it will not propagate the 172.30.1.0/24 route
D.172.30.0.0/8 and 10.0.0.0/8

2.多項(xiàng)選擇題Which three port states are used by RSTP 802.1w?()

A.Listening
B.Learning
C.Forwarding
D.Blocking
E.Discarding
F.Disabled

4.單項(xiàng)選擇題The classic Spanning Tree Protocol (802.1D  1998) uses which sequence of variables to determine the best received BPDU?()

A.lowest root bridge id;lowest sender bridge id;lowest port id;lowest root path cost
B.lowest root path cost;lowest root bridge id;lowest sender bridge id;lowest sender port id
C.lowest root bridge id;lowest sender bridge id;lowest root path cost;lowest sender port id
D.lowest root bridge id;lowest root path cost;lowest sender bridge id;lowest sender port id

最新試題

A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.The routers cannot establish an adjacency relationship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.Based on the information in the graphic,what is the cause of this problem?()

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Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?()

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hsrp speak狀態(tài)是什么意思?

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What is method list for configure aaa?

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What is the next state of initial in spanning-tree protocol?

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