If you were to configure an ISL Ethernet trunk between two Cisco switches， named R1 and R2，
what would you have to include at the end of the link for the trunk to operate correctly？ （）
A. An identical VTP mode.
B. An identical speed/duplex.
C. An identical trunk negotiation parameter.
D. An identical trunk encapsulation parameter.
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Which of the following technologies would an Internet Service Provider use to support overlapping customer VLAN ID’s over transparent LAN services？ （）
A. 802.1q tunneling
B. ATM
C. SDH
D. IP Over Optical Networking
E. ISL
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
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
最新試題
What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals？（）
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. What does the command channel-group 1 mode desirable do？ （）
Refer to the exhibit. For what purpose is the command show ip cef used？（）
Which two statements about the various implementations of STP are true？（）
Which router redundancy protocol cannot be configured for interface tracking？（）
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？（）
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
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 three statements about STP timers are true？（）