By Cisco Networking Academy

The Cisco CCNA Exploration curriculum offers a complete evaluation of networking, from basics to complicated purposes and providers. This direction emphasizes theoretical ideas and useful program, providing you with hands-on abilities for designing, fitting, working, and holding real-world networks. whereas large on-line examine assets and finished textbooks can be found, many scholars and teachers have asked a reasonably cheap published source that may be used to review in locations the place net entry will not be to be had. This ebook is that source. Drawn at once from the net curriculum, it covers each ability and competency coated within the most recent CCNA Exploration LAN Switching and instant direction. This publication allows you to learn offline, spotlight key issues, and take handwritten notes. All subject matters are correlated on to on-line web content, supporting you simply change among offline and on-line content material.

 

  • Gives CCNA Exploration scholars a cheap learn source that may be learn anyplace web entry isn't really on hand
  • Handy published structure enables you to simply spotlight and make notes
  • Page correlations hyperlink on to the web curriculum
  • Covers the most recent model of the CCNA Exploration LAN Switching and instant cours

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Extra info for CCNA Exploration Course Booklet: LAN Switching and Wireless, Version 4.0:

Example text

Does each workstation get 1000 Mb/s dedicated access to the server? No, all the computers have to share the 1000 Mb/s connection that the server has to the switch. Cumulatively, the computers are capable of 6000 Mb/s to the switch. If each connection was used at full capacity, each computer would be able to use only 167 Mb/s, one-sixth of the 1000 Mb/s bandwidth. To reduce the bottleneck to the server, additional network cards can be installed, which increases the total bandwidth the server is capable of receiving.

At the core and network edge, mission-critical and time-sensitive traffic such as voice should receive higher QoS guarantees than less time-sensitive traffic such as file transfers or e-mail. Since high-speed WAN access is often prohibitively expensive, adding bandwidth at the core layer is not an option. Because QoS provides a software based solution to prioritize traffic, core layer switches can provide a cost effect way of supporting optimal and differentiated use of existing bandwidth. 4 Switches for Small and Medium Sized Business (SMB) The features of Cisco Catalyst Switches Now that you know which switch features are used at which layer in a hierarchical network, you will learn about the Cisco switches that are applicable for each layer in the hierarchical network model.

Html. Catalyst 2960 The Catalyst 2960 series switches enable entry-layer enterprise, medium-sized, and branch office networks to provide enhanced LAN services. The Catalyst 2960 series switches are appropriate for access layer implementations where access to power and space is limited. The CCNA Exploration 3 LAN Switching and Wireless labs are based on the features of the Cisco 2960 switch. The Catalyst 2960 series switches offers the following: ■ Forwarding rates from 16 Gb/s to 32 Gb/s ■ Multilayered switching ■ QoS features to support IP communications ■ Access control lists (ACLs) ■ Fast Ethernet and Gigabit Ethernet connectivity ■ Up to 48 10/100 ports or 10/100/1000 ports with additional dual purpose gigabit uplinks The Catalyst 2960 series of switches do not support PoE.

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CCNA Exploration Course Booklet: LAN Switching and Wireless, by Cisco Networking Academy
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