IGMPv2在IGMPvl的基础上添加组成员___________机制。
IGMPv2在IGMPvl的基础上添加组成员___________机制。
相关考题：
(56）以下关于IGMP协议的描述，正确的是( ）。A） IGMP运行于主机和与主机直接相连的组播路由器之间B） IGMP实现的功能是单向的C） IGMP v1添加了组成员快速离开的机制D） IGMP v2定义了基本的组成员查询和报告过程
以下关于IGMP协议的描述，正确的是( )。A．IGMP运行于主机和与主机直接相连的组播路由器之间B．IGMP实现的功能是单向的C．IGMP v1添加了组成员快速离开的机制D．IGMP v2定义了基本的组成员查询和报告过程
以下关于IGMP协议的描述，正确的是（ ）。A．IGMP运行于主机和与主机直接相连的组播路由器之间B．IGMP实现的功能是单向的C．IGMPvl添加了组成员快速离开的机制D．IGMPv2定义了基本的组成员查询和报告过程
附件：1.XX 区查处取缔无证无照工作领导小组成员名单______________在下划短横线处进行标点符号处理的方法是_______。A.添加句号B.添加分号C.添加冒号D.不添加任何标点符号
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.
关于组播组管理协议IGMPV1、IGMPV2、IGMPv3三个版本的表述，正确的是（）。A、三个版本査询器的选举原则相同B、IGMPV1没有离开消息C、IGMPV2、IGMPV3有特定组査询消息D、只有IGMPV3设计了特定源、组加入机制E、IGMPV3取消了成员报告抑制机制
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
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
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
问答题请简述在部署组播时IGMPv2协议主要完成什么功能，并简述主机采用IGMPv2加入和离开一个组播组的工作流程。