DHCP snooping on Cisco Nexus 1000V Series Switches acts like a firewall between untrusted hosts and trusted DHCP servers by doing which of these? ()
Nexus# sh ip igmp snooping vlan 120 IGMP Snooping information for vlan 120 IGMP snooping disabled Optimised Multicast Flood (OMF) disabled IGMP querier none Switch-querier enabled, address 1.1.1.1, currently not running IGMPv3 Explicit tracking enabled IGMPv2 Fast leave disabled IGMPv1/v2 Report suppression enabled IGMPv3 Report suppression disabled Link Local Groups suppression enabled Router port detection using PIM Hellos, IGMP Queries Number of router-ports: 0 Number of groups: 0 Active ports: Po100 Po111 Which statement best describes what is depicted in the show command output?()
Which of the following types of attacks does DHCP snooping prevent?(Choose all that apply.)()
what is multicast snooping?
Refer to the exhibit. DHCP snooping is enabled for selected VLANs to provide security on the network. How do the switch ports handle the DHCP messages?()
Which three statements about the DHCP snooping feature on Cisco Nexus switches are true? ()
EPFC单板提供4路EPON光接口支持IGMP SNOOPINg,每个PON支持()个组播组。
IGMP Snooping主要解决()问题
关于IGMP snooping描述正确的是()
Snooping(侦听)模式:OLT设备透传转发所有的合法IGMP报文。当用户数比较多时在汇聚网络上会产生大量IGMP报文不建议用Proxy(代理)模式。