单项选择题
What is the purpose of the STP PortFast BPDU guard feature？ （）
A.enforce the placement of the root bridge in the network
B.ensure that a port is transitioned to a forwarding state quickly if a BPDU is received
C.enforce the borders of an STP domain
D.ensure that any BPDUs received are forwarded into the STP domain
点击查看答案
相关考题
-
多项选择题
Whichtwocommandsarerequiredtoenablemulticastonarouter，knowingthatthereceiversonlysupport IGMPv2？（）
A.ip pim rp-address
B.ip pim ssm
C.ip pim sparse-mode
D.ip pim passive -
多项选择题
WhichtwooftheseareusedintheselectionofarootbridgeinanetworkutilizingSpanningTreeProtocolIEEE802.1D？（）
A. Designated Root Cost
B. bridge ID priority
C. max age
D. bridge ID MAC address
E. Designated Root Priority
F. forward delay -
单项选择题
SpanningTreeProtocolIEEE802.1sdefinestheabilitytodeploywhichofthese？（）
A. one global STP instance for all VLANs
B. one STP instance for each VLAN
C. one STP instance per set of VLANs
D. one STP instance per set of bridges
