Which two statements are true about NSR?

The statement that graceful Routing Engine switchover must be configured for NSR to function properly is accurate because Non-Stop Routing (NSR) is a feature that allows a router to maintain the routing protocol's operation during a Routing Engine (RE) switchover. For NSR to effectively preserve the routing state, the graceful Routing Engine switchover needs to be enabled. This coordination ensures that state information is shared and maintained between the primary and backup Routing Engines.

This mechanism allows for a seamless transition and ensures that the protocols continue to operate without interruption when one RE fails or is taken down for maintenance. Without such configuration in place, NSR would not be able to leverage the graceful switchover capability effectively, resulting in potential routing disruptions.

Enabling NSR alongside other mechanisms like graceful restart can lead to enhancements in network stability, but it must be noted that graceful restart operates independently and has its own functionality. Support for NSR on neighboring routers is not a requirement; it primarily focuses on the operation of the local device. Additionally, when NSR is active, it allows the primary RE to be fully operational while the backup RE is synchronized, but RPD (Routing Protocol Daemon) would typically not run on