Unidirectional link detection is achieved through monitoring STP BPDUs.
It is recommended that it be enabled globally rather than on an individual port.
When an error is detected， normal mode will disable a port.
It is recommended that it be enabled in normal mode.
It is recommended that it be used with the loop guard feature.
第1题：
Which two of these statements best describe the benefits of WPAv2？ （Choose two.）（）
第2题：
Which two statements correctly describe characteristics of the PortFast feature？ （）
第3题：
Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)
A．Full-duplex Ethernet uses CSMA/CD to prevent collisions.
B．Half-duplex Ethernet uses a loopback circuit to detect collisions.
C．A full-duplex Ethernet card allows 20Mbps for data transmission.
D．Full-duplex Ethernet makes use of two pairs of wires for data.
E．An Ethernet hub can operate both half and full duplex simultaneously.
第4题：
Which two of these statements best describe the benefits of WPAv1？ （）
第5题：
Which two statements correctly describe the relation between a data file and the logical databasestructures（）
第6题：
Which two statements correctly describe VTP？（）
第7题：
Which two statements correctly describe UDLD？ （）
第8题：
A. Troubleshooting is more complicated.
B. Service and switch modules are underutilized.
C. Layer 2 adjacency is required with the servers that use this design.
D. Layer 3 adjacency is required with the servers that use this design.
E. Load balancing will always occur across both access layer uplinks.
第9题：
Which two statements accurately describe an IBGP peering session?（） (Choose two.)
第10题：
Which two of these correctly describe Fibre Channel？（）