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NO.1 Which protocol is used to hide customer VLANs inside the provider backbone network?
A. 802.1ad
B. 802.1q
C. 802.1ap
D. 802.1x
Answer: A
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NO.2 A customer is connecting toa Cisco IOS XR PE device via BGP. The peering session is up and the
customer is advertising routes, but the provider is not receiving any. Which issue is the most likely
cause?
A. The IOS XR devicedrops inbound routing updates on eBGP peers that do not send extended
communities.
B. The IOS XR devicerequires as-override on all eBGP customer peers.
C. The IOS XR device drops inbound routing updates on eBGP peers without an inbound route-policy.
D. The IOS XR devicerequires labeled-unicast peering sessions to eBGP customers.
Answer: C
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Exam Name: Implementing Cisco Service Provider Next-Generation Egde Network Services
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Exam Name: Designing Cisco Wireless Enterprise Networks
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