644-068 Exam Dumps : Advanced Routing and Switching for Field Engineers – ARSFE

The Cisco Nexus 7000 series integrates data center Fibre Channel features and Ethernet switching featuresinto a single operating system.

NX-OS is a modular operating system based on FreeBSD.

The Cisco Nexus 7000 series offers virtualization by Virtual Device Contexts.

The Cisco Nexus 7000 series provides high availability using hitless forwarding, ISSU, and stateful process restart.

The Cisco Nexus 7000 series offers support for Cisco IOS and NX-OS.?

TFO

DRE with persistent cache?

Application optimizers?

Auto-discovery of end nodes?

The main services of the access layer include physical connectivity to endpoints, automatic endpoint discovery, and port-based security features.

Due to the high number of ports, performance is one of the key features that is required at the access layer.

The distribution layer is commonly the first routing hop.

Scalability, high availability, and fast convergence are typical requirements for the core layer.

The core layer provides aggregation services to the access layer.