单项选择题

Two Company switches are connected via a trunk link. In this network， the original frame is encapsulated and an additional header is added before the frame is carried over a trunk link. At the receiving end， the header is removed and the frame is forwarded to the assigned VLAN.
This describes which technology？（）

A. DISL
B. ISL
C. DTP
D. IEEE 802.1Q
E. MPLS
F. None of the other alternatives apply

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多项选择题

When the Catalyst switch R1 is enabled to use VTP，
which information does it advertise on its trunk ports？（）

A. VTP mode
B. STP root status
C. Negotiation status
D. Management domain
E. Configuration revision number

多项选择题

Switch R1 is configured with VTP.
Which two VTP modes will make R1 capable of creating and deleting VLANs on itself？（）

A. Client
B. Server
C. Transparent
D. Pass-through
E. No-negotiate

单项选择题

What action should you execute if you wanted to enable VTP pruning on your entire management domain？（）

A. Enable VTP pruning on any client switch in the management domain.
B. Enable VTP pruning on any switch in the management domain.
C. Enable VTP pruning on every switch in the management domain.
D. Enable VTP pruning on a VTP server in the management domain.
E. Disable VTP pruning on a VTP server in the management domain.