Go back to 646-003 - ARSAM - Advanced Routing and Switching for Account Managers

Question :-

How does Cisco IOS software modularity help minimize downtime?
By enabling modular Cisco IOS subsystems to run in independent, self-correcting processes
By automatically notifying administrators when network performance falls below prescribed levels
By automatically re-routing voice traffic to the PSTN if the WAN fails or becomes congested
By enabling stateful failover on Catalyst 6500 switches

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