350-501 Premium Exam Questions

Model-driven telemetry (MDT) in a service provider environment uses a push model to send data to network monitoring tools. This method is beneficial because it allows for the streaming of data from network devices to monitoring tools in real-time, using reliable transport mechanisms. This approach is more efficient than traditional polling methods like SNMP, as it can provide faster and more granular data updates, which is crucial for maintaining network performance and reliability123.

References: Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR)

 The configuration in the exhibit shows the implementation of Nonstop Forwarding (NSF) with OSPF. NSF is used to minimize the downtime of neighbor relationships during a Route Processor (RP) switchover. The nsf command enables NSF, and ietf specifies the use of the IETF standard for graceful restart in OSPF. The restart interval 90 sets the time, in seconds, within which the restarting router should complete its restart, helping to maintain uninterrupted forwarding despite the switchover.

References: Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR v1.0); Cisco SPCOR Training & Certification.

 In Segment Routing Traffic Engineering (SR-TE), when defining explicit path hops for devices using IP unnumbered interfaces, the router ID and labels are crucial. The router ID uniquely identifies a router in the network, while labels are used to direct packets along a specific path without relying on IP addresses, which is essential in unnumbered interface scenarios