In MPLS traffic engineering, which FRR operation swaps the label and pushes the backup label?
Drag and drop the multicast concepts from the left onto the correct descriptions on the right.

A network engineer is testing an automation platform that interacts with Cisco networking devices via NETCONF over SSH. In accordance with internal security requirements:
NETCONF sessions are permitted only from trusted sources in the 172.16.20.0/24 subnet.
CLI SSH access is permitted from any source.
Which configuration must the engineer apply on R1?

Refer to the exhibit Which effect of this configuration is true?