April 19, 2023 RE Meyers, Ms.Ed.

CCENT 640-822 ICND1 Exam Topics ReviewCCENT 640-822 ICND1 Exam Topics Review

Describe the Operation of Data Networks:

Network Devices and Applications

April 19, 2023

DisclaimerDisclaimer

This review is for the exclusive non-profit use by Cisco Academy instructors and students only!Contents of this review were derived from the following

sources under the doctrine of US copyright “Fair Use” section 107:

• Cisco Networking Academy Curricula: Discovery Networking for Home and Small Businesses version 4.x

• Interactive Course Guide, Cisco Learning Institute• CCENT/CCNA ICND 1 Official Exam Certification Guide, 2nd ed.

by Wendell Odom, Cisco Press, 2008; ISBN1-58720-182-2• Cisco Learning Network

https://learningnetwork.cisco.com/docs/DOC-4987• Other references footnoted in individual slide notes area.

April 19, 2023

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April 19, 2023

CCENT Exam TopicsCCENT Exam Topics

 Describe the operation of data networksDescribe the purpose and functions of various network

devicesSelect components required to meet a given network

specificationDescribe common networking applications including web

applicationsDescribe the components required for network and

Internet communications

https://learningnetwork.cisco.com/docs/DOC-4987

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Types of ComputersTypes of Computers

MainframeLarge centralized computers found in larger enterprises

and purchased through specialized resellers.

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Types of ComputersTypes of Computers

Servers High performance computers used in businesses and

other organizations to provide:• File storage• E-mail storage• Web pages• Print sharing

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Types of ComputersTypes of Computers

DesktopsCommonly used to run applications such as

• Word processing• Spreadsheets• Networked applications

– Email

– Web browsing

– File transfer

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Types of ComputersTypes of Computers

WorkstationsHigh-powered specialized business computers

• CAD (Computer Aided Design) Workstations • 3-D graphics design• Video animation• Virtual reality simulation

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Network MediaNetwork Media

Provides the connections between hostsCables

• Copper• Fiber optic

Wireless• Radio Frequency• Infrared

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Shared Peripheral DevicesShared Peripheral Devices

Connect to the network through a hostScannersLocally attached printer

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Networking DevicesNetworking Devices

HubConnects hostsLayer 1

SwitchesConnects hostsLayer 2

RoutersConnects LAN’sLayer 3

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Peer-to-Peer NetworksPeer-to-Peer Networks

Two or more directly connected PC’sWired – direct, hub, switchWireless – WLAN, Bluetooth, infrared

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Peer-to-Peer NetworksPeer-to-Peer Networks

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Client ServerClient Server

The key characteristic is the client sends a request to a server, and the server responds by carrying out a function.

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Client Server ApplicationsClient Server Applications

Note the protocol of each application service

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Common Business Networking NeedsCommon Business Networking Needs

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