After completing Cisco CCDA: Examining Existing Networks, the user should be able to:

	Identify the information to gather when evaluating an existing network
	Determine the LAN and WAN hardware in use
	Test the level of network traffic
	Determine the performance of the existing network
	Document the information obtained when the network evaluation is complete

The Steps of Evaluation

	The eight design steps revisited
	Gathering system evaluation data
	Analyzing evaluation information

Assessing Software and Hardware

	Step 1: Applications
	Step 2: Protocols
	Step 3: Network topology and addressing

Assessing Traffic and Bottlenecks

	Step 4: Assessing portential bottlenecks
	Analyzing traffic
	Flow control and error recovery
	Lower-layer OSI traffic
	Upper-layer OSI traffic

Assessing Performance and Related Issues

	More steps of evaluation
	Step 5: Business constraints and requests
	Step 6: Availability
	Step 7: Performance
	Step 8: Reliability
	Step 9: Utilization
	Step 10: Router status
	Step 11: Network management tools

Assessing Network Health

	Step 12: The last step
	The fourteen guidelines

This course has the following features:

	Exercises that allow users to explore how a course topic applies to network design
	A file containing the text of the exercises
	Activities that allow users to apply concepts in an interactive questioning environment
	A glossary
	A Skill Assessment

	Cisco CCNA certification or equivalent experience
	Cisco CCDA: Internetworking Review (CCDA01)
	Cisco CCDA: LAN Networking (CCDA02)
	Cisco CCDA: WAN Networking (CCDA03)
	Cisco CCDA: Introduction to Design (CCDA04)

	Cisco CCDA: Designing LANs (CCDA06)
	Cisco CCDA: Designing WANs (CCDA07)
	Cisco CCDA: Specific Design Issues (CCDA08)
	Cisco CCDA: Optimizing by Design (CCDA09)
	Cisco CCDA: Testing and Managing (CCDA10)

This study guide and/or material is not sponsored by, endorsed by or affiliated with Cisco Systems, Inc. Cisco®, Cisco Systems®, CCDA™, CCNA™, CCDP™, CCNP™, CCIE™, CCSI™, the Cisco Systems logo and the CCIE logo are trademarks or registered trademarks of Cisco Systems, Inc. in the United States and certain other countries. All other trademarks are trademarks of their respective owners.