Question:
Which network traffic management technology is a basic element in SDN implementations?
- OpenFlow
- OpenStack
- IEEE 802.1aq
- Interface to the Routing System
Explanation: OpenFlow was developed at Stanford University to manage traffic between routers, switches, and wireless access points and a controller. It is the original and widely implemented southbound API for SDN. OpenStack is a virtualization and orchestration platform available to build scalable cloud environments and provide an infrastructure as a service (IaaS) solution. It is often used with Cisco ACI. IEEE 802.1aq is a replacement to the Spanning Tree Protocol (STP) that allows all paths to be active with multiple equal cost paths. Interface to the Routing System uses a fast path protocol to populate the network device routing table.
Exam with this question: CCNA 3 v7 Module 13 Quiz - Network Virtualization
Exam with this question: Modules 13 – 14: Emerging Network Technologies Exam Answers
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