Which of the following is a benefit of CNAs in a Cisco Unified Fabric?

Last Updated on August 2, 2021 by Admin 2

Which of the following is a benefit of CNAs in a Cisco Unified Fabric?

  • consistent policies
  • elimination of STP
  • reduced cabling
  • segregation of LAN and SAN
Explanation:

Of the available choices, reduced cabling is a benefit of converged network adapters (CNAs) in a Cisco Unified Fabric. Cisco Unified Fabric is a combination of architecture and high performance concepts that is intended to simplify data center networks.
CNAs are network adapters that combine network interface cards (NICs) and host bus adapters (HBAs), enabling one adapter to support both Ethernet and Fibre Channel (FC). A server that contains separate FC and local area network (LAN) ports can require significantly more cabling than a server that is configured with a CNA.
Segregation of LAN and storage area network (SAN) is not a benefit of CNAs in a Cisco Unified Fabric. On the contrary, CNAs are a feature of Cisco Unified Fabric that help converge a data center’s LAN and SAN over a single transport in order to simplify management, provisioning, and operation.
Elimination of Spanning Tree Protocol (STP) is not a benefit of CNAs in a Cisco Unified Fabric. Virtual Port Channels (vPCs) reduce Cisco Unified Fabric’s reliance on STP by replacing EtherChannel. However, vPCs still require STP to mitigate switching loops if they occur. Cisco FabricPath can replace STP with the Layer 3 routing protocol Intermediate System-to-Intermediate System (IS-IS) in order to scale a Layer 2 network beyond normal limits.
Consistent policies are not a benefit of CNAs in a Cisco Unified Fabric. Consistent policies across Cisco Unified Fabric is a benefit of using Cisco NX-OS and policy templates that can be easily deployed across the fabric and in virtual environments. These templates reduce the likelihood of human error during configuration and ensure that security and performance are applied the same way across the network.

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