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CCDA Exam Quick-Study

CCDA Exam Quick-Study. Network Life Cycle Created by Michael Law. Citations. Teare , Diane, 2008. Authorized Self-Study Guide: Designing for Cisco Internetwork Solutions (DESIGN), Second Edition. 800 East 96 th Street, Indianapolis, Indiana 46240 USA: Cisco Press Cisco Systems, Inc.

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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. Prepare Phase - Extension

  6. 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.

  7. 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

  8. Design Phase - Extension

  9. 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.

  10. 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.

  11. 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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