网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
PIM-SM 必须使用IGMPv2 以上版本。
参考答案
更多 “PIM-SM 必须使用IGMPv2 以上版本。” 相关考题
考题
Whichtwocommandsarerequiredtoenablemulticastonarouter,knowingthatthereceiversonlysupport IGMPv2?()
A.ippimrp-addressB.ippimssmC.ippimsparse-modeD.ippimpassive
考题
下列关于PIM-SM中BSR与RP的表述，正确的有（）。A、—个PIM-SM域中只能有一个BSRB、—个PIM-SM域中只能有一个C-BSRC、一个PIM-SM域中只能有一个RPD、—个PIM-SM域中只能有一个C-RP
考题
Which statement is true of a source that wants to transmit multicast traffic to group 239.1.1.1？（）A、Before sending traffic, it must first join multicast group 239.1.1.1 by sending an IGMPv2 membership report to the default router on the local subnet.B、It must send an IGMPv2 Request to Send packet and then wait for an IGMPv2 Clear to Send packet from the IGMPv2 querier router on the local subnetC、It may begin transmitting multicast traffic to the group only when there is no other host transmitting to the group on the local subnet.D、It may transmit multicast traffic to the group at any time.
考题
Which two are differences between IGMPv2 and IGMPv3 reports？（）A、IGMPv3 has the ability to include or exclude source lists.B、All IGMPv3 hosts send reports to destination address 224.0.0.22.C、Only IGMPv2 reports may contain multiple group state records.D、All IGMPv3 hosts send reports to destination address 224.0.0.23.E、IGMPv2 does not support the Leave Group message.
考题
关于RP和BSR，下列说法正确的有（）。A、PIM-SM中RP可以通过手工指定，也可以通过动态选举B、配置RP通过动态选举时，可以把有意成为RP的路由器配置为C-RPC、在一个PIM-SM域中只能有一个BSRD、BSR负责在PIM-SM域i收集并发布RP信息
考题
Which of the following statements concerning IGMP are correct？（Choose all that apply.）（）A、With IGMPvl， queries are sent to a specific groupB、Hosts issuing IGMPvl requests will be correctly interpreted by IGMPv2 hosts due to backwardcompatibilityC、An IGMPv2 router will ignore IGMPv2 leave messages when IGMFVl hosts are presentD、With IGMFV2， a leave message is supportedE、An IGMPv2 host will send an IGMFVl report on an IGMFVl routerF、An IGMPv2 router can only allow IGMPv2 hosts to execute a join request
考题
单选题关于PIM-SM中的Hello报文的描述，错误的是（）A
在PIM-SM网络中，刚启动的组播路由器需要使用Hello消息来发现邻居，并维护邻居关系B
各路由器之间周期性地使用Hello消息保持联系C
通过Hello消息在多路由器网段中选举DR指定路由器D
HELLO报文发住组播地址224.0.0.5
考题
多选题Which three RP election mechanisms are available in a PIM-SM domain？（）AStaticBAuto-RPCDynamic-RPDBootstrap router
考题
多选题Which of the following statements concerning IGMP are correct？（Choose all that apply.）（）AWith IGMPvl， queries are sent to a specific groupBHosts issuing IGMPvl requests will be correctly interpreted by IGMPv2 hosts due to backwardcompatibilityCAn IGMPv2 router will ignore IGMPv2 leave messages when IGMFVl hosts are presentDWith IGMFV2， a leave message is supportedEAn IGMPv2 host will send an IGMFVl report on an IGMFVl routerFAn IGMPv2 router can only allow IGMPv2 hosts to execute a join request
考题
单选题以下关于IGMPv1和IGMPv2的说法正确的是（）。A
只有在IGMPv2中有明确的加入一个组的消息，而IGMPv1中是没有的B
在IGMPv1和IGMPv2中都有查询者选择的过程C
在IGMPv2中有特定组查询的消息，而IGMPv1中是没有的D
在IGMPv1和IGMPv2中都有离开一个组的消息
考题
单选题Which statement is true of a source that wants to transmit multicast traffic to group 239.1.1.1？（）A
Before sending traffic, it must first join multicast group 239.1.1.1 by sending an IGMPv2 membership report to the default router on the local subnet.B
It must send an IGMPv2 Request to Send packet and then wait for an IGMPv2 Clear to Send packet from the IGMPv2 querier router on the local subnetC
It may begin transmitting multicast traffic to the group only when there is no other host transmitting to the group on the local subnet.D
It may transmit multicast traffic to the group at any time.
考题
多选题PIM-SM的特征有（）A独立于单播路由协议B使用现存的单播路由表C嫁接与剪枝现象D依赖于无类单播路由协议
热门标签
最新试卷
