642-883 Exam Dumps | When configuring BGP on Cisco IOS XR Software, which address-family is enabled by default?

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Cisco.642-883.v2018-06-25.q81
Question 68

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Question 68/81

When configuring BGP on Cisco IOS XR Software, which address-family is enabled by default?

A. IPv4 unicast

B. IPv6 unicast

C. VPNv4

D. IPv4 unicast and IPv6 unicast

E. IPv4 unicast and IPv6 unicast and VPNv4

F. No address-family is enabled by default.

Correct Answer: F

Explanation/Reference:
http://www.cisco.com/en/US/docs/ios_xr_sw/iosxr_r3.8/routing/command/reference/rr38bgp.pdf An address family must be explicitly configured in the router configuration mode for the address family to be active in BGP. Similarly, an address family must be configured under the neighbor for the BGP session to be established for that address family. An address family must be configured in router configuration mode before it can be configured under a neighbor.

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