Cisco 400-201 Free Exam Question 5

A Service Provider provides a Layer 2 connection that is based on IEEE 802.1ad. When the customer tries to access a switch at the other side of the link by using SSH, the connection fails.
What is the cause of this failure?

Options

A. The Service Provider omitted the commandl2protocol-tunnel stp.
B. The Service Provider omitted the commandl2protocol-tunnel vtp.
C. The Service Provider omitted the commandvlan dot1q tag native.
D. The Service Provider omitted the commandspanning-tree bpdufilter enable.

Answer: C
Explanation:
https://ccieblog.co.uk/qinq/802-1q-tunnelling-qinq
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