Explain the six steps of designing or modifying a WAN.
Step 1: Locate LANs:
- Establish the source and destination endpoints that will connect via the WAN.
Step 2: Analyze traffic:
- Find out what data traffic must be carried, its origin, its destination, bandwidth requirements, latency, and jitter tolerance.
Step 3: Plan the topology:
- Identify the various endpoints, geographic considerations, and requirement for availability.
Step 4: Estimate the required bandwidth:
- After considering the endpoints and the links chosen, you can estimate the necessary bandwidth.
Step 5: Choose the WAN technology:
- After you determine the bandwidth availability, you select suitable link technologies.
Step 6: Evaluate costs:
- Determine installation and operational costs for the WAN, and compare them with the business needs driving the WAN implementation.
Exam with this question: EWAN v4 Chapter 8 Check Your Understanding: Network Troubleshooting
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