Deploying Cisco Service Provider Edge Technologies (SPEDGE, legacy) — Question 1

On Cisco IOS XR platforms using the EVC infrastructure, which command is used to enable a Layer 2 VPN subinterface?

Answer options

• A. interface gi0/0/0/0.10 switchport access vlan 10
• B. interface gi0/0/0/0.10 switchport mode tunnel dot1q-tunnel
• C. interface gi0/0/0/0.10 switchport mode trunk
• D. interface gi0/0/0/0.10 bridge-group 10 E.

Correct answer: D

Explanation

The correct answer is D because using 'bridge-group' is the method for enabling a Layer 2 VPN subinterface in this context. Options A, B, and C are not appropriate for Layer 2 VPN configurations as they pertain to different switchport functionalities like access, trunking, or tunneling, which do not apply to EVC Layer 2 VPN setups.