| 1: | What is one of the key concepts required to build a large-scale network? |
| 2: | What four types of traffic are you concerned with when considering hierarchical network layers? Why is it important to plan interzone and interlayer connectivity carefully in a network? |
| 3: | What is the general rule of thumb in communications networks for traffic that is destined to local and remote destinations? Is this rule always true? |
| 4: | What is the point of traffic aggregation in a network design? |
| 5: | What is meant by routing policy? What types of policy are included in this concept? |
| 6: | What are the primary functions of each layer in a two-layer hierarchy? |
| 7: | What are the primary functions of each layer in a three-layer hierarchy? |
| 8: | What are the primary considerations when deciding how many layers a network should have? |
| 9: | Explain the concept of hiding layers within layers. |
| 10: | What is the best method for assigning IP addresses within a hierarchical network? |
| 11: | What are some techniques you can use to work around poor addressing schemes or misplaced addresses? |
| 12: | Why does a summarization black hole occur, and how can you solve it? |
| 13: | What are the alternatives to IGP-to-IGP redistribution? |
| 14: | What two techniques can help you overcome possible permanent routing loops when using multiple points of redistribution? |
