多选题The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "zero." （）Aloop guardBstorm controlCstorm suppressionDbroadcast suppressionEBPDU guard
多选题
The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "zero." （）
A
loop guard
B
storm control
C
storm suppression
D
broadcast suppression
E
BPDU guard
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相关考题：
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The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "zero." （）A、loop guardB、storm controlC、storm suppressionD、broadcast suppressionE、BPDU guard
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单选题Which statement about PIM sparse mode operations is true？（）AIt does not support all underlying unicast routing protocols like BGPBReceivers are registered with RP by their first hop routerCFrom the RP， traffic flows down a source tree to each receiver.DIt supports shared trees only， and assumes all hosts want the multicast trafficEReceivers are joined to the shared tree by their local designated router
单选题What is the result of entering the command spanning-tree loopguard default？（）AThe command enables both loop guard and root guard.BThe command changes the status of loop guard from the default of disabled to enabled.CThe command activates loop guard on point-to-multipoint links in the switched network.DThe command will disable EtherChannel guard.
多选题In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions？（）Aloop guardBstorm controlCstorm suppressionDbroadcast suppressionEBPDU guard
多选题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？ （）Aloop guardBstorm controlCstorm suppressionDbroadcast suppressionEBPDU guard
多选题Which two statements about spanning tree path cost are true？（）AThe path cost can be changed for an interface using the spanning-tree cost commandBThe path cost can be changed for an interface using the stp path-cost commandCThe SPT default path cost depends on the interface speedDThe STP default path cost is similar for all interface
多选题Which of the following are shared distribution tree characteristics（）AMemory requirements are higher for shared distribution tree than for source distributiontree.BCreates a tree from a central RP to all last-hoprouters.CUses a rendezvous point.DAn optimal path is created between each source router and each last-hoprouter.EPlace（S，G）entry in each router’smulticast routing table.FPlace（*，G）entry in a router’smulticast routing to table.
多选题Which three statements about bidirectional PIM are true？（）ATraffic for a bidirectional group flows along the one shared tree and simultaneously utilizes multiple paths in a redundant network topologyBIt does not require any traffic signaling in the protocolCMembership to a bidirectional group is signaled using explicit Join messagesDIt maintains source-specific forwarding stateEIt reduces memory， bandwidth， and CPU requirements
单选题现有： class Tree { private static String tree = "tree "； String getTree （） { return tree； } } class Elm extends Tree { private static String tree = "elm "； public static void main （String [] args） { new Elm（） .go （new Tree（）） ； } } void go （Tree t） { String s = t.getTree （） +Elm.tree + tree + （new Elm（） .getTree （）） ； System.out.println （s） ；} 结果为：（）A elm elm elm elmB tree elm elm elmC tree elm elm treeD tree elm tree elm
多选题Which two of these statements correctly describe classic PIM-SM？（）AThe IOS default is for a last-hop router to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree.BThe IOS default is for every one of the routers on the shared tree to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree.CThe default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to infinity.DThe default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to zero.
多选题The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "zero." （）Aloop guardBstorm controlCstorm suppressionDbroadcast suppressionEBPDU guard
单选题What is the Cisco IOS default behavior for switching from the shared tree to the shortest path tree in PIM-SM operations？（）Aimmediately after receiving the first packet on the shared tree for a given （S，G）Bafter receiving over 1 kb/s traffic onthe shared tree for a given （S，G）C10 seconds after receiving the first packet on the shared tree for a given （S，G）D30 seconds after receiving the first packet on the shared tree for a given （S，G）Eafter receiving over 10 kb/s traffic onthe shared tree for a given （S，G）
单选题Which of the following statements is correct regarding PIM Sparse Mode operations？（）AIt does not support all underlying unicast routing protocols like GBPBIt supports shared trees only assuming all hosts want the multicast trafficCReceivers are registered with RP by their first-hop routerDReceivers are joinedto the Shared Tree（rooted the rp ）by their local Designated Router（DR）EFrom the RP，traffic flows down a Source Tree to each receiver