單項選擇題What is the effect of applying the switchport trunk encapsulation dot1q command to a port on a Cisco Catalyst switch?()

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.


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題Which statement correctly describes the Cisco implementation of RSTP? ()

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.

2.多項選擇題Which two statements correctly describe UDLD? ()

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.

3.單項選擇題Which statement correctly describes enabling BPDU guard on an access port that is also enabled for PortFast?()

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.

4.多項選擇題Which two statements correctly describe characteristics of the PortFast feature? ()

A.STP will be disabled on the port.
B.PortFast can also be configured on trunk ports.
C.PortFast is required to enable port-based BPDU guard.
D.PortFast is used for both STP and RSTP host ports.
E.PortFast is used for STP-only host ports.

5.多項選擇題Which two RSTP port roles include the port as part of the active topology?()

A.root
B.designated
C.alternate
D.backup
E.forwarding
F.learning

最新試題

Which two statements are true about BPDU port-guard and BPDU filtering?()

題型:多項選擇題

Refer to the exhibit. All network links are FastEthernet. Although there is complete connectivity throughout the network, Front Line users have been complaining that they experience slower network performance when accessing the server farm than the Reception office experiences. Based on the exhibit, which two statements are true?()

題型:多項選擇題

Refer to the exhibit. Switch S2 contains the default configuration. Switches S1 and S3 both have had the command spanning-tree mode rapid-pvst issued on them. What will be the result?()

題型:單項選擇題

Refer to the exhibit. What will happen when one more user is connected to interface FastEthernet 5/1? ()

題型:單項選擇題

Which three statements about STP timers are true?()

題型:多項選擇題

Which two statements about the various implementations of STP are true?()

題型:多項選擇題

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 ? ()

題型:單項選擇題

Refer to the exhibit. What does the command channel-group 1 mode desirable do? () 

題型:單項選擇題

Refer to the exhibit. On the basis of the output of the show spanning-tree inconsistentports command, which statement about interfaces FastEthernet 0/1 and FastEthernet 0/2 is true?()

題型:單項選擇題

How are STP timers and state transitions affected when a topology change occurs in an STP environment?()

題型:單項選擇題