You need to connect two Company core switches via an ISL trunk.
Which statement is true regarding the configuration of ISL trunks？ （）
A. A Catalyst switch cannot have ISL and IEEE 802.1q trunks enabled.
B. All Catalyst switches support ISL trunking.
C. A Catalyst switch will report giants if one side is configured for ISL while the other side is not.
D. ISL trunking requires that native VLANs match.
E. None of the other alternatives apply
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A new Company switch was just configured using the "switchport trunk native vlan 7" command.
What does this interface command accomplish？（）
A. Causes the interface to apply ISL framing for traffic on VLAN 7
B. Configures the trunking interface to forward traffic from VLAN 7
C. Configures the interface to be a trunking port and causes traffic on VLAN 7 to be 802.1q tagged
D. Configures the trunking interface to send traffic from VLAN 7 untagged
E. None of the other alternatives apply
You need to configure a new Company switch to support DTP.
Which DTP switchport mode parameter sets the switch port to actively send and respond to DTP negotiation frames？ （）
A. Access
B. No negotiate
C. Trunk
D. Dynamic desirable
E. Dynamic auto
F. None of the other alternatives apply
While using a packet analyzer， you notice four additional bytes being added to the packets in the Company network.
Which protocol inserts a four byte tag into the Ethernet frame and recalculates CRC value？ （）
A. DTP
B. VTP
C. 802.1Q
D. ISL
E. None of the other alternatives apply
You need to configure a new Company switch for trunking.
Which switch command enables a trunking protocol that appends a four byte CRC to the packet？（）
A. CompanySwitch（config-if）#switchport trunk encapsulation dot1q
B. CompanySwitch（config-if）#switchport trunk encapsulation itef
C. CompanySwitch（config-if）#switchport trunk encapsulation fddi
D. CompanySwitch（config-if）#switchport trunk encapsulation isl
E. None of the other alternatives apply
Switch R1 has been configured with DTP using the desirable option.
Which statement describes Dynamic Trunking Protocol （DTP） desirable mode？（）
A. The interface actively attempts to convert the link to a trunk link.
B. The interface is put into permanent trunking mode but prevented from generating DTP frames.
C. The interface is put into permanent trunking mode and negotiates to convert the link into a trunk link.
D. The interface is put into a passive mode， waiting to convert the link to a trunk link.
E. None of the other alternatives apply
最新試題
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
What is the configured priority value of the Vlan105’s group on DS2 ？（）
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？（）
Which statement is correct about RSTP port roles？（）
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？（）
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？（）
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 ？ （）
Refer to the exhibit. Based on the output of the show spanning-tree command， which statement is true？ （）
Which three statements about STP timers are true？（）
Refer to the exhibit. What does the command channel-group 1 mode desirable do？ （）