September 1, 2009 - 9:06am. Starting today, increases in the taxation rates on soft drinks, personal grooming and hygiene products, and candy will take effect to help pay for improvements to Illinoisâ infrastructure.
Answer: A. In a mesh topology, all devices are connected directly to every other device on the network. If one link fails, there is always another available. It is the most fault-tolerant network topology. A hierarchical star is a variation of the standard star and is not considered a fault-tolerant implementation. A ring topology is not considered fault tolerant. In a star topology, each device is normally connected to one central device and therefore is not fault tolerant.
Virtual Routing and Forwarding (VRF) In a very simple sense, a VRF provides a Layer 3 isolation mechanism within routing protocols or static routes. In the Cisco Nexus 7000 series of data center switches, the highest level of isolation mechanisms is a Virtual Device Context (VDC).