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Introduction to Cisco Software-Defined Wide Area Networking (SD-WAN)

Contents

  1. Networks of Today
  2. Common Business and IT Trends
  3. Common Desired Benefits
  4. High-Level Design Considerations
  5. Introduction to Cisco Software-Defined WAN (SD-WAN)
  6. Transport Independence
  7. Rethinking the WAN
  8. Use Cases Demanding Changes in the WAN
  9. Bandwidth Aggregation and Application Load-Balancing
  10. Protecting Critical Applications with SLAs
  11. End-to-End Segmentation
  12. Direct Internet Access
  13. Fully Managed Network Solution
  14. Building an ROI to Identify Cost Savings
  15. Introduction to Multidomain
  16. Cloud Trends and Adoption
  17. Summary
  18. Review All Key Topics
  19. Key Terms
  20. Chapter Review Questions

Chapter Description

In this sample chapter from Cisco Software-Defined Wide Area Networks: Designing, Deploying and Securing Your Next Generation WAN with Cisco SD-WAN, you will explore the technologies and challenges of today’s networks, the benefits and drivers of Cisco SD-WAN, high-level design considerations, building an ROI to identify cost savings, and more.

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Cisco Software-Defined Wide Area Networks: Designing, Deploying and Securing Your Next Generation WAN with Cisco SD-WAN

Cisco Software-Defined Wide Area Networks: Designing, Deploying and Securing Your Next Generation WAN with Cisco SD-WAN

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Chapter Review Questions

  1. What are some of the common IT trends putting pressure on the WAN? (Choose three.)

    1. IoT

    2. Cloud

    3. Fog computing

    4. BYOD

    5. Low-bandwidth applications

  2. What are some benefits businesses are looking for from their WAN? (Choose three.)

    1. Lower operational complexity

    2. Increased usable bandwidth

    3. Reduced uptime in branch locations

    4. Topology dependence

    5. Improved overall user experience

  3. What are some of the tools or technologies that may be necessary to implement when redundant links are used in branch locations? (Choose three.)

    1. Administrative distance

    2. Traffic engineering

    3. Redistribution

    4. Loop prevention

    5. Preferred path selection

  4. Part of having an intent-based network is to move to a hardware-centric approach.

    1. True

    2. False

  5. Which of the following are part of the digital transformation journey? (Choose two.)

    1. Automated

    2. Manual

    3. Proactive

    4. Reactive

    5. Predictive

  6. Organizations are looking to deploy SD-WAN for what reasons? (Choose two.)

    1. To take all routing control from the service provider

    2. To create end-to-end SLAs for the organization’s traffic

    3. To offload all routing control to the service provider

    4. To leverage the service provider’s SLA for end-to-end traffic

  7. What are some of the benefits of SD-WAN? (Choose four.)

    1. Lower cost

    2. Improved user experience

    3. Transport independence

    4. Increased cloud consumption

    5. IoT devices

    6. Increased bandwidth

  8. What are some of the transport options for SD-WAN? (Choose three.)

    1. Dual MPLS

    2. Hybrid WAN

    3. Dual route processor

    4. Hybrid single link

    5. Dual Internet

  9. Direct Internet Access is used to offload applications directly to the data center.

    1. True

    2. False

  10. What is one of the benefits of Cisco Multidomain?

    1. Single policy across multiple environments

    2. Multiple policies across single domain

    3. Simplified reporting for IoT devices

    4. Enhanced service provider support

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