Which message type is constructed and sent from an MSDP router to its MSDP peers when it  receives a PIM register message （knowing that the MSDP router is also configured as an RP for  the PIM domain）？（）

单项选择题Whatdoesaunicastprefix-basedIPv6multicastaddressstartwith？（）

A.FF80
B.FF3
C.FF
D.FF7

多项选择题WhichthreeareneededtorunVRFliteforIPv6onarouter？（）

A.VRF definition for IPv6
B.MP BGP for IPv6
C.LDP
D.VRF-enabled routing protocol
E.VRF-enabled interface

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.

多项选择题Anadministratorofapeer-to-peerserverapplicationreportsthatthemaximumbandwidththathisapplicationreceivesis90Mb s.Youhavean8-port，100-Mb sEtherChannelbundleontheswitchinginfrastructurebetweenthetwoservers，resultinginabidirectionalthroughputofmorethanwhatisrecorded.Whichtwosolutionswouldallowformorebandwidthfortheapplication？（）

A.change the EtherChannel default hashing algorithm from XOR to use source port Layer 4 port load balancing to better load balance the traffic
B.change the EtherChannel default hashing algorithm from XOR to use destination Layer 4 port load balancing to better load balance the traffic
C.have the application recoded to use multiple connections instead of a single connection so EtherChannel can better load balance the traffic
D.upgrade the CPU and memory of the compute devices so they can better process traffic
E.upgrade the EtherChannel bundle to a single gigabit link because EtherChannel is not well suited for single-connection traffic

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