Which command can be used to filter a RIPv6 route from getting installed in the routing table？（）

多项选择题Whichthreestatementsaretrueaboutpolicing？（）

A.Out-of-profile packets are queued.
B.It causes TCP retransmits.
C.Marking and remarking are not supported.
D.It does not respond to BECN and foresight messages.
E.It uses a single- and two-bucket mechanism for metering.

单项选择题Refer to the exhibit. R2 and R3 are routers connected using Ethernet services from a service provider and can receive pings from each other. OSPF is configured as the routing protocol but adjacency is not happening. According to the output of the show commands in the exhibit， what could be the most likely cause of the problem？ （）

A. Ethernet interfaces were configured as point-to-point.
B. Process IDs are not matching.
C. Configured bandwidths do not match on both interfaces.
D. Broadcasts and multicast are not being propagated over the Ethernet services.
E. OSPF cost does not match on both interfaces.

多项选择题WhichtwoarenativelyincludedbytheIEEE802.1wstandard？（）

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）

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.