A.no switchport trunk native vlan vlan-id
B.switchport nonegotiate
C.no switchport mode dynamic desirable
D.switchport mode access
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A.switchport dynamic auto switchport dynamic auto
B.switchport access vlan 10 switchport mode dynamic desireable
C.switchport mode trunk switchport nonegotiate
D.Leave both ports with the default trunk settings
A.By default， native VLAN packets going out this port will be tagged.
B.Without an encapsulation command， 802.1Q will be the default encapsulation if DTP fails to negotiate a trunking protocol.
C.The interface will support the reception of tagged and untagged traffic.
D.If the device connected to this port is not 802.1Q-enabled， it will not be able to handle 802.1Q packets.
A.PortFast， UplinkFast， and BackboneFast specific configurations are ignored in Rapid PVST mode.
B.RSTP is enabled globally and uses existing STP configuration.
C.Root and alternative ports transition immediately to the forwarding state.
D.Convergence is improved by using sub-second timers for the blocking， listening， learning， and forwarding port states.
A.Unidirectional link detection is achieved through monitoring STP BPDUs.
B.It is recommended that it be enabled globally rather than on an individual port.
C.When an error is detected， normal mode will disable a port.
D.It is recommended that it be enabled in normal mode.
E.It is recommended that it be used with the loop guard feature.
A.Upon startup， the port transmits 10 BPDUs. If the port receives a BPDU， PortFast and BPDU guard are disabled on that port and it assumes normal STP operation.
B.The access port ignores any received BPDU.
C.If the port receives a BPDU， it is placed into the error-disable state.
D.BPDU guard is only configured globally and the BPDU filter is required for port-level configuration.
最新試題
During routine maintenance， G1/0/1 on DS1 was shutdown. All other interface were up. DS2 became the active HSRP device for Vlan101 as desired. However， after G1/0/1 on DS1 was reactivated. DS1 did not become the active HSRP device as desired. What need to be done to make the group for Vlan101 function properly ？ （）
Which two statements are true about BPDU port-guard and BPDU filtering？（）
Refer to the exhibit. For what purpose is the command show ip cef used？（）
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
Refer to the exhibit. What will happen when one more user is connected to interface FastEthernet 5/1？ （）
Refer to the exhibit. The command switchport mode access is issued on interface FastEthernet0/13 on switch CAT1. What will be the result？（）
Refer to the exhibit and the partial configuration of switch SW_A and SW_B. STP is configured on all switches in the network. SW_B receives this error message on the console port：00：06：34： %CDP-4-DUPLEX_MISMATCH： duplex mismatch discovered on FastEthernet0/5 （not half duplex）， with SW_A FastEthernet0/4 （half duplex） ， with TBA05071417（Cat6K-B） 0/4 （half duplex）. What would be the possible outcome of the problem？（）
Refer to the exhibit. Which statement is true about the output？（）
Refer to the exhibit. STP has been implemented in the network. Switch SW_A is the root switch for the default VLAN. To reduce the broadcast domain， the network administrator decides to split users on the network into VLAN 2 and VLAN 10. The administrator issues the command spanning-tree vlan 2 root primary on switch SW_A. What will happen as a result of this change？（）
If G1/0/1 on DS1 is shutdown， what will be the current priority value of the Vlan105’s group on DS1 ？（）