Câu 37: 642-883: Deploying Cisco Service Provider Network Routing (SPROUTE)

Referring to the partial Cisco IOS-XR BGP configuration exhibit, when trying to commit this configuration, the following error is displayed:% Failed to commit one or more configuration items during a pseudo-atomic operation. All changes made have been reverted. Please issue 'show configuration failed' from this session to view the errors. What is wrong with the configuration?

1. A. IPv6 unicast routing has not been enabled globally using the ipv6 unicast-routing command
2. B. The configuration is missing the required network command
3. C. The update-source loopback 0 commands must be configured under the respective neighbor address-family
4. D. The configuration is missing the address-family ipv4 unicast and address-family ipv6 unicast commands under router bgp 65111 — đáp án hiện tại