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640-801 Cisco Certified Network Associate
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Exam Concepts:
The following topics are general guidelines for the content likely to be included on the CCNA exam. However, other related topics may also appear on any specific delivery of the exam.
Bridging/Switching
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Distinguish between cut-through and store-and-forward LAN
switching
OSI Reference Model & Layered Communication
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Describe data link and network addresses and identify key
differences between them
- Identify at least three reasons why the industry uses a layered model - Define and explain the conversion steps of data encapsulation and de-encapsulation - Describe connection-oriented network service and connectionless network service, and identify their key differences - Describe the functions of each the seven layers of the OSI model and their corresponding applications - Compare the OSI model with the TCP/IP stack - Match networking devices to their OSI layer(s) - Use the OSI model as a conceptual strategy to identify network problems
Routed Protocols
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Describe the different classes of IP addresses including
subnetting and private addresses
- Configure IP addresses - Troubleshoot IP address schemes - Develop an IP addressing scheme to meet requirements - Identify the fundamental uses of various TCP/IP application layer protocols - Convert between decimal, hexadecimal, and binary - Define flow control and describe the three basic methods used in networking - Explain the functions of the TCP/IP network and transport layer protocols
Routing Protocols
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Configure a router for inter-VLAN communication
- Verify IP routing with show and debug commands - Compare and contrast the key operations that distinguish distance-vector, link-state, and hybrid protocols - Identify exterior and interior routing protocols - Configure static and default routes on a router - Enable RIP and IGRP on a router - Identify routing metrics used by IGRP and RIP
WAN Protocols
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Explain key Frame Relay terms and features
- Configure Frame Relay LMIs, maps, and subinterfaces - Identify ISDN protocols, function groups, reference points, and channels - Differentiate between the following WAN services: LAPB, Frame Relay, ISDN/LAPD, HDLC, PPP, and DDR - Identify PPP operations to encapsulate WAN data on Cisco routers - Use show commands to display network operational parameters so that anomalies are detected - Configure ISDN BRI and legacy dial-on-demand routing (DDR) - Configure a serial connection with PPP encapsulation
Network Management
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Monitor and verify selected access list operations on the
router
- Configure authentification types (CHAP/PAP) on PPP links - Manage configuration files from the privilege EXEC mode - Manage IOS images and device configuration files - Load Cisco IOS software from: Flash memory, a TFTP server, or ROM - Perform backup, upgrade, and loading of Cisco IOS software and configuration files - Configure access lists to meet specified operational requirements - Use CDP to identify a network topology - Use ICMP to verify network connectivity and locate network problems
LAN Technologies
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Determine the appropriate uses for full- and half-duplex
Ethernet operation.
- Describe the causes and effects of network congestion in Ethernet networks - Describe the benefits of network segmentation with various networking devices - Identify the cause(s) of LAN connectivity problem - Describe the function, operation, and primary components on a LAN
Cisco Basics, IOS & Network Basics
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Describe router elements (RAM, ROM, Flash, NVRAM, config
register)
- Configure router passwords, identification, and banner - Use the context-sensitive help facility - Use the command history and editing features - Perform the initial router configuration (including using the setup mode). - Use show commands to display basic network operational parameters - Describe router start-up sequence - Establish connectivity from a host to the appropriate network device to perform configuration tasks - In accordance with open standards, interconnect network devices - Differentiate between routed and routing protocols
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