Which two statements best describe spanning-tree BPDU processing for a blocking port？（）

多项选择题WhichtwostatementsbestdescribeCBWFQ？（）

A.The CBWFQ scheduler provides a guaranteed minimum amount of bandwidth to each class.
B.CBWFQ services each class queue using a strict priority scheduler.
C.The class-default queue only supports WFQ.
D.Inside a class queue， processing is always FIFO， except for the class-default queue.

多项选择题Whichtwostatementsaretrueabouttheroleofsplithorizon？（）

A.It is a function used by routing protocols to install routes into routing table
B.It is a function that prevents the advertising of routes over an interface that the router is usingto reach a route
C.Its function is to help avoid routing loops.
D.It is a redistribution technique used by routing protocols

多项选择题Asanetworkengineer，youresponsibilityistoinstall，configure，operate，andtroubleshootnetworks.Inyourcompany’snetwork，EIGRPistheroutingprotocol.Youhavejustdiscoveredthattworoutersrestartedtheneighborrelationship.Why？（）

A.An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
B.The counters were deleted.
C.The ARP cache was removed.
D.The IP EIGRP neighbor relationship was cleared manually.

多项选择题AreaBorderRouter（ABR）isarouterlocatedontheborderofoneormoreOSPFareasthatconnectthoseareastothebackbonenetwork.AnABRwillinjectadefaultrouteintowhichtwotypesofareas？（）

A.Area 0
B.NSSA
C.Totally stubby
D.Stub

多项选择题WhichtwostepsbelowshouldyouperformonthehubrouterwhileconfiguringEIGRProutingoverDMVPN（mGREtunnel）？（）

A.Set the NHRP hold time to match the EIGRP hold time
B.Add the enable eigrp stub command
C.Add the disable eigrp as-member split-horizon command
D.Add the disable eigrp as-member next-hop-self command