Which IGMPv2 message contains a non-zero "Max Response Time"？（）
An administrator attempts a traceroute but receives a "Destination Unreadable" messagE.Which protocol is responsible for that message?()A.RARPB.RUDPC.ICMPD.SNMP
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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.
Which three message types are valid PIMv2 message types？（）A、RegisterB、Register-StopC、Join/PruneD、RejectE、Register-PruneF、Register-Join
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.
Two VPN peers are negotiating IKE phase 1 using main mode. Which message pair in the negotiation contains the phase 1 proposal for the peers？（）A、message 1 and 2B、message 3 and 4C、message 5 and 6D、message 7 and 8
An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message?（）A、RARPB、RUDPC、ICMPD、SNMP
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
