[Cisco 640-878]Cisco IOS XR configuration exhibit. Which statement about the configuration is true?

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#1

Refer to the Cisco IOS XR configuration exhibit. Which statement about the configuration is true?
Building%20Cisco%20Service%20Provider%20Next-%20Generation%20Networks28

A. This is a Level-2-only router.
B. This is a Level-1 -only router.
C. The maximum IS-IS path metric is 63.
D. This router belongs to area ID 0001.
E. This configuration is missing the net configuration for the IPv6 unicast address family.

Answer: D

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