多项选择题
Which two are natively included by the IEEE 802.1w standard？（）
A.instances can control a selection of VLANs
B.load balancing
C.fast transition to forwarding state
D.backbone，uplink，and portfast （or equivalent）
E.root，loop，and BPDU guard （or equivalent）
点击查看答案
相关考题
-
多项选择题
WhichtwoattributesneedtomatchfortwoswitchestobecomemembersofthesameMSTregion？（）
A.the table of 4096 elements that map the respective VLAN to STP instance number
B.VTP version
C.configuration revision number
D.native VLAN ID -
单项选择题
Multicastisbeingdeployedinthenetwork，andonlyippimsparse-densemodehasbeenconfiguredonallinterfacesinthenetworktosupportanewvideostreamingapplication.Noothermulticastconfigurationwasappliedanywhereinthenetwork.Sinceenablingmulticast，thenetworkmonitoringtoolsshowperiodic spikesinlinkutilizationthroughoutthenetwork，eveninareaswherethevideoapplicationisnotbeingused.Whatcouldbeapossiblecause？（）
A.PIM sparse mode is being used.
B.PIM dense mode is being used.
C.The BGP multicast address family has not been configured.
D.IGMP version 3 is being used.
E.IP PIM neighbor filters have not been applied. -
单项选择题
WhichconfigurationwouldmakeanIPSLAprobeuseaprecedencevalueof5？（）
A.ip sla 1 icmp-echo 1.1.1.1 tos 160
B.ip sla 1 icmp-echo 1.1.1.1 tos 20
C.ip sla 1 icmp-echo 1.1.1.1 precedence 5
D.ip sla 1 icmp-echo 1.1.1.1 dscp 20
