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Cisco 640-822 Exam Topics
The 640-822 topics are general guidelines for the content likely to be included on the Interconnecting Cisco Networking Devices Part 1 exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the 640-822 exam and for clarity purposes, the guidelines below may change at any time without notice.

640-822 Describe the operation of data networks
Describe the purpose and functions of various network devices
Select the components required to meet a given network specification
Use the OSI and TCP/IP models and their associated protocols to explain how data flows in a network
Describe common networking applications including web applications
Describe the purpose and basic operation of the protocols in the OSI and TCP models
640-822 exam Describe the impact of applications (Voice Over IP and Video Over IP) on a network
Interpret network diagrams
Determine the path between two hosts across a network
640-822 Describe the components required for network and Internet communications
Identify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approach
Differentiate between LAN/WAN operation and features

640-822 Implement a small switched network
Select the appropriate media, cables, ports, and connectors to connect switches to other network devices and hosts
Explain the technology and media access control method for Ethernet technologies
640-822 Explain network segmentation and basic traffic management concepts
Explain the operation of Cisco switches and basic switching concepts
Perform, save and verify initial switch configuration tasks including remote access management
Verify network status and switch operation using basic utilities (including: ping, traceroute,telnet,SSH,arp, ipconfig), SHOW & DEBUG commands
Implement and verify basic security for a switch (port security, deactivate ports)
Identify, prescribe, and resolve common switched network media issues, configuration issues, autonegotiation, and switch hardware failures

640-822 Implement an IP addressing scheme and IP services to meet network requirements for a small branch office
Describe the need and role of addressing in a network ” Create and apply an addressing scheme to a network
Assign and verify valid IP addresses to hosts, servers, and networking devices in a LAN environment
Explain the basic uses and operation of NAT in a small network connecting to one ISP
Describe and verify DNS operation
Describe the operation and benefits of using private and public IP addressing
Enable NAT for a small network with a single ISP and connection using SDM and verify operation using CLI and ping
Configure, verify and troubleshoot DHCP and DNS operation on a router.(including: CLI/SDM)
Implement static and dynamic addressing services for hosts in a LAN environment
640-822 Identify and correct IP addressing issues

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