单项选择题
You are the network administrator at Company and switch R1 is configured as shown below： Interface gigethernet 0/1 Switchport mode trunk
Switchport trunk encapsulation dot1q Switchport trunk native vlan 5
If untagged frames are arriving on interface gigethernet 0/1 of R1，
which of the following statement are correct？（）
A. Untagged frames are automatically assumed to be in VLAN 5.
B. Untagged frames are defaulted to VLAN 1 traffic.
C. Untagged frames are dropped because all packets are tagged when dot1q trunked.
D. Untagged frames are determined on the other switch
E. Untagged frames are not supported on 802.1Q trunks.
相关考题
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多项选择题
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. -
单项选择题
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 -
单项选择题
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
