Describe the architecture of a Software-Defined WAN (SD-WAN) and explain how it differs from traditional WAN architectures.
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Describe the architecture of a Software-Defined WAN (SD-WAN) and explain how it differs from traditional WAN architectures.
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- Describe the purpose of ARP (Address Resolution Protocol) in Ethernet networks and how it works.Explain the concept of latency in WANs and its impact on network performance. What strategies can be employed to reduce latency?Explain the concept of VLAN tunneling protocols like GRE and VXLAN and their applications in extending VLANs over wide-area networks.
- Explain the concept of VLAN tagging and its importance in interconnecting VLANs across network switches.Explain the concept of latency in WANs and discuss its impact on network performance.How does WAN design differ for branch offices, data centers, and cloud-based services, and what factors influence the choice of WAN architecture?