Review Questions

Answer the following questions, and then refer to Appendix A for the answers.

1. What features are included in the Cisco vision of an intelligent network?

2. Describe the three phases of evolving to an intelligent information network.

3. Describe the three layers of the SONA framework.

4. Name some of the benefits of using the SONA framework.

5. Match the PPDIOO network lifecycle phases with their correct descriptions. Phases:

a. Prepare phase b. Plan phase c. Design phase d. Implement phase e. Operate phase f. Optimize phase

1. The network is built

2. A network design specification is produced

3. Includes fault detection and correction and performance monitoring

4. Network requirements are identified

5. Business requirements and strategy related to the network are established

6. Based on proactive management of the network

6. During which PPDIOO phase is the initial design verification performed?

7. What are the three basic steps of the design methodology?

8. What steps are needed to implement a design?

9. List some determinants of the scope of a design project.

10. What steps are involved in gathering network requirements?

11. Corporation X is planning to introduce new systems for its employees, including e-learning, groupware, videoconferencing, and an alternative telephone service to reduce its operational costs. Which of the following is a planned application?

a. E-mail b. IP multicast c. Cisco Unified MeetingPlace d. Quality of service

12. What are some typical organizational goals?

13. Corporation X is currently spending $7000 per month for telephony services provided by its local phone company. The new IP telephony equipment costs $40,000, and the operating costs are $2000 per month. When will the introduction of IP telephony pay for itself?

a. After eight months.

b. After five months.

c. After one year.

d. It will not pay for itself.

14. List some common organizational constraints.

15. Explain why a schedule might be a design constraint.

16. Users typically think of network performance in terms of what?

a. Throughput b. Responsiveness c. Resource utilization

17. How might bandwidth be a technical constraint for a network design?

18. How does traffic analysis help in the characterization of a network?

19. List some site contact information that would be important for projects involving remote deployments when equipment delivery and installations must be coordinated.

20. True or false: The auditing process should never require any changes in the network?

21. List some tools that can be used in the network assessment process.

22. Which command can be used to determine memory usage on a Cisco router?

a. show processes memory b. show processes cpu c. show memory utilization d. show version

23. Which command displays packet size distribution and activity by protocol on a Cisco router?

a. show ip nbar protocol-discovery b. show ip interface c. show version d. show ip cache flow

24. What is the difference between a saturated Ethernet segment and a saturated WAN link?

25. The network health summary report includes recommendations that_.

a. relate the existing network and the customer requirements b. are based on the customer requirements c. are used to sell more boxes

26. True or false: Characterization of a network can typically be completed in a few hours.

27. With a top-down design: (choose three)

a. The design adapts the physical infrastructure to the requirements.

b. The design adapts the requirements to the physical infrastructure.

c. Network devices are chosen after requirement analysis.

d. Network devices are selected first.

e. The risk of having to redesign the network is high.

f. The risk of having to redesign the network is low.

28. What are the layers in the three-layer hierarchical structure?

a. Core, distribution, and desktop b. Core, distribution, and access c. Core, routing, and access d. Backbone, routing, and access

29. What types of tools can be used during the network design process?

30. What is the difference between a pilot and a prototype?

31. What sections are included in a typical final design document?

32. What items should be included in the documentation for a network design implementation plan?

33. Why is the network designer involved in the implementation phase?

34. What might necessitate a redesign of the network?

This chapter introduces a modular hierarchical approach to network design, the Cisco Enterprise Architecture. This chapter includes the following sections:

■ Network Hierarchy

■ Using a Modular Approach to Network Design

■ Services Within Modular Networks

■ Network Management Protocols and Features

■ References

■ Case Study: ACMC Hospital Modularity

■ Review Questions

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Project Management Made Easy

Project Management Made Easy

What you need to know about… Project Management Made Easy! Project management consists of more than just a large building project and can encompass small projects as well. No matter what the size of your project, you need to have some sort of project management. How you manage your project has everything to do with its outcome.

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