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CCDA Exam Quick-Study

This quick study guide outlines the key phases of the Network Life Cycle as designed by Cisco. It includes detailed steps through the Prepare, Plan, Design, Implement, Operate, and Optimize phases, emphasizing the identification of customer requirements, developing network strategies, and assessing existing infrastructure. Essential tasks such as gap analysis, fault detection, and proactive management are covered to ensure a robust network design and implementation process. This guide serves as a valuable resource for individuals preparing for the CCDA exam and seeking to enhance their understanding of network architecture.

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CCDA Exam Quick-Study

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  1. CCDA Exam Quick-Study Network Life Cycle Created by Michael Law

  2. Citations • Teare, Diane, 2008. Authorized Self-Study Guide: Designing for Cisco Internetwork Solutions (DESIGN), Second Edition. 800 East 96th Street, Indianapolis, Indiana 46240 USA: Cisco Press • Cisco Systems, Inc

  3. Network Life Cycle

  4. Prepare Phase • Identify customer requirements. • Develop network strategy. • Propose high-level conceptual architecture. • Identify technologies that will be implemented. • Assess the scope of the network design project. • Identifying required information. • Understanding organizational goals/constraints and technical goals/constraints.

  5. Plan Phase • Identifying network requirements. • Assess locations and existing network information. • Perform gap analysis to determine if existing infrastructure can support proposed system. • This will manage tasks, responsibilities, critical milestones and resources required to implement. • The output of this phase is a set of network requirements.

  6. Design Phase • Design will be based on the requirements identified in the plan phase. • Gather information from customer input, network audit, traffic analysis and network health checklist. • A detailed design of the network is creates documentation for infrastructure, services and applications to be used. • Create topological maps

  7. Design Phase - Extension

  8. Implement Phase • The network is built according to the design specifications. • Integrate devices without disruption or creating a point of vulnerability. • Sub-phases of the implementation phase are listed in order: description of step, reference to design, implementation guidelines, rollback guidelines, estimated time needed for implementation. • Verification of design is found in the implementation phase.

  9. Operate Phase • Maintain the network’s health on a day-to-day basis. • Fault detection-and-correction and performance monitoring occurs in the operate phase. • Monitor the network for errors and problems.

  10. Optimize Phase • Proactive network management. Identify and resolve problems before they occur. • Reactive fault correction occurs when proactive management cannot predict and mitigate failures. • The optimize phase may lead to network re-design if too many errors occur.

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