Monthly Archive: March 2020

Real and effective Cisco CCIE Service Provider 400-201 exam dumps and 400-201 pdf online download

Real and effective Cisco CCIE Service Provider 400-201 exam dumps and 400-201 pdf online download

Where do I find a 400-201 PDF or any dump to download? Here you can easily get the latest Cisco CCIE Service Provider 400-201 exam dumps and 400-201 pdf! We’ve compiled the latest Cisco 400-201 exam questions and answers to help you save most of your time. Cisco 400-201 exam “CCIE Service Provider Written Exam” https://www.pass4itsure.com/400-201.html (Q&As:845). All exam dump! Guaranteed to pass for the first time!

Cisco CCIE Service Provider 400-201 exam question 2020

QUESTION 1
Which two features must be configured to perform AToM NSF? (Choose two)
A. FRR
B. SSO
C. distribute CEF
D. switch virtual path
E. graceful restart
Correct Answer: BE
Before you configure AToM NSF, you need to configure MPLS LDP Graceful Restart. MPLS LDP GR is enabled
globally. When you enable LDP GR, it has no effect on existing LDP sessions. LDP GR is enabled for new sessions that
are established after the feature has been globally enabled.
How AToM NSF Works AToM NSF improves the availability of the network of the service provider that uses AToM to
provide Layer 2 VPN services. HA provides the ability to detect failures and handle them with minimal disruption to the
service being provided. AToM NSF is achieved by SSO and NSF mechanisms. A standby RP provides control-plane
redundancy. The control plane state and data plane provisioning information for the attachment circuits (ACs) and AToM
pseudowires (PWs) are checkpointed to the standby RP to provide NSF for AToM L2VPNs.

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