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
Examine the diagram. A network administrator has recently installed the above switched network using 3550s and would like to control the selection of the root bridge.Which switch should theadministrator configure as the root bridge and which configuration command must theadministrator enter to accomplish this？（）
Which three statements are true of the Link Aggregation Control Protocol （LACP）？（）
Refer to the exhibit. What does the command channel-group 1 mode desirable do？ （）
During routine maintenance， it became necessary to shutdown G1/0/1 on DS1 and DS2. All other interface were up. During this time， DS1 became the active device for Vlan104’s HSRP group. As related to Vlan104’s HSRP group. What can be done to make the group function properly ？ （）
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？（）
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？（）
Which two statements are true when the extended system ID feature is enabled？ （）
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？（）
Which three statements about STP timers are true？（）
Which two statements are true about BPDU port-guard and BPDU filtering？（）