Exam 400-201 topic 1 question 122 discussion

Actual exam question from Cisco's 400-201

Question #: 122
Topic #: 1

Refer to the exhibit. MPLS P2MP TE must be enabled to deliver multicast traffic for their Layer 3 VPN customers. Assume that the operations engineer has enabled IP multicast and PIM in SSM mode on all PE routers and has also created the tunnel interface at the headend router as shown. Which two additional steps are needed to enable the service provider network to transport the customer multicast traffic over the MPLS P2MP TE tunnel? (Choose two.)

A. At the tailend and mid-end routers, configure a multicast static route back to the headend router
B. At the headend routers, enable pim sparse-mode on the core interfaces
C. At the headend routers, apply the ip igmp static-group command
D. Apply the ip multicast mpls traffic-eng command in all PE and P routers
E. Enable ip multicast and pim in the sparse mode on all IP routers
F. At the tailend routers, configure a multicast static route back to the headend router

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Suggested Answer: CF 🗳️
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-3s/asr903/imc-pim-xe-3s-asr903-book/ mpls_point_to_multipoint_traffic_engineering.html

by kidschannel1988 at April 3, 2025, 11:16 p.m.

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