多项选择题
Which two statements best describe spanning-tree BPDU processing for a blocking port？（）
A.BPDUs that enter a blocking port are discarded.
B.BPDUs that enter a blocking port are processed.
C.Loopguard puts an interface into a loop-inconsistent state when BPDUs stop being received on a blocking port.
D.BPDUs are only processed on forwarding ports.
相关考题
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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.
