單項選擇題

Refer to the exhibit. The switchport output in Figure 1 displays the default settings of interface  FastEthernet 0/13 on switch SW1. Figure 2 displays the desired interface settings. 
Which command sequence would configure interface FastEthernet 0/13 as displayed in Figure 2? ()

A. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode trunk  SW1(config-if)# switchport trunk native DATA SW1(config-if)# switchport trunk allowed vlan  1,10,20
B. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode dynamic  auto SW1(config-if)# switchport trunk native DATA SW1(config-if)# witchport trunk allowed vlan  add 1,10,20
C. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode dynamic  desirable SW1(config-if)# switchport trunk native vlan DATA SW1(config-if)# switchport trunk  allowed vlan 1,10,20
D. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode dynamic  desirable SW1(config-if)# switchport trunk native vlan 10 SW1(config-if)# switchport trunk allowed  vlan 1,10,20
E. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode dynamic  Desirable SW1(config-if)# switchport trunk native vlan 10


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2.單項選擇題

Refer to the exhibit. The user who is connected to interface FastEthernet 0/1 is on VLAN 10 and  cannot access network resources. On the basis of the information in the exhibit,
 which command  sequence would correct the problem?()

A. SW1(config)# vlan 10SW1(config-vlan)# no shut
B. SW1(config)# interface fastethernet 0/1SW1(config-if)# switchport mode accessSW1(config-if)#  switchport access vlan 10
C. SW1(config)# interface fastethernet 0/1SW1(config-if)# switchport mode access
D. SW1(config)# vlan 10SW1(config-vlan)# state active
E. SW1(config)# interface fastethernet 0/1SW1(config-if)# no shut

3.單項選擇題

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?()

A. IEEE 802.1D and IEEE 802.1w are incompatible. All three switches must use the same  standard or no traffic will pass between any of the switches.
B. Switches S1, S2, and S3 will be able to pass traffic between themselves.
C. Switches S1, S2, and S3 will be able to pass traffic between themselves. However, if there is a  topology change, Switch S2 will not receive notification of the change.
D. Switches S1 and S3 will be able to exchange traffic but neither will be able to exchange traffic  with Switch S2

4.單項選擇題

The network administrator maps VLAN 10 through 20 to MST instance 2.
 How will this information be propagated to all appropriate switches?()

A. Information will be carried in the RSTP BPDUs.
B. It will be propagated in VTP updates.
C. Information stored in the Forwarding Information Base and the switch will reply on query.  
D. Multiple Spanning Tree must be manually configured on the appropriate switches.

5.單項選擇題

Refer to the show spanning-tree mst configuration output shown in the exhibit.
 What should be  changed in the configuration of the switch SW_2 in order for it to participate in the same MST  region? ()

A. Switch SW_2 must be configured with an instance number of 2.
B. Switch SW_2 must be configured with a different VLAN range.
C. Switch SW_2 must be configured with the revision number of 1.
D. Switch SW_2 must be configured with a different MST name.

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