ccna cisco certified network associate study guide 7th edition

... e6 PCMCIA sot + Cisco 1600 series router: 01 PCMCIA slot + Cisco 3800 series router: 02 POMCIA slots + Cisco 7200 series Network Processing Engine (NPE) 02 PCMCIA siots + Cisco 7000 RSP700 ... a Trang 23Version: Cisco Internetwork Operating System Software 10S (im) 2500 Sofware (C2500-JK8OS-L), Version 122(16), RELEASE SOFTWARE đe) Copyright (¢) 1288-2002 by cisco Systems, Inc ‘Compiled ... hành athenaifshow ver Cisco Internetwork Operating System Software 108 (tn) 2500 Software (C2500-LL), Version 12.1(26), RELEASE SOFTWARE (fet) Copyright(c) 1986-2004 by cisco Systems, Inc Compiled

Ngày tải lên: 23/03/2014, 10:23

... Trang 1Study Guide Cisco Certified Network Associate 3.0 CCNA 3.0 Version 1 Trang 2CCNA FOUNDATIONS 4 OSI Model 4 Upper Layer 5 Lower Layers 5 Data Link Layer Tasks 6 Network Layer ... 64 Trang 4CCNA Foundations OSI Model One of the keys to understanding Cisco is the OSI model The OSI model permits people to understand how internetwork works and it serves as a guideline or ... associated with the source and destination stations 2 A path through the network to reach the desired destination The logical network address consists of two parts: one part to identify the network

Ngày tải lên: 22/10/2013, 17:15

... Made Easy MCSE, CCNA, CCNP, OCP, CIW, JAVA, Sun Solaris, Checkpoint World No1 Cert Guides Trang 2Congratulations!! You have purchased a Fravo Technologies Study Guide This study guide is a complete ... & certified team You must study the contents of this guide properly in order to prepare for the actual certification test The average time that we would suggest you for studying this study guide ... you use this study g uide correctly and still fail the exam, send a scanned copy of your official score notice at: info@fravo.com We will gladly refund the cost of this study guide or give

Ngày tải lên: 21/12/2013, 05:17

... Relay network D Install and test a Cisco 3600 series router that connect the AS400 Token Ring and the SNA network Then install and test the developers’ network Answer: B Q.97 Drag each network ... what you think of this Study Guide We appreciate both positive and critical comments as your feedback helps us improve future versions We thank you for buying our Study Guides and look forward ... Leviathan Systems case study, it is NOT necessary to build the entire network to prove the network design meets the customer’s needs A True B False Answer: A Q.58 View the Case Study In the FSI

Ngày tải lên: 17/01/2014, 09:20

... See Network attached storage Trang 6NAT See Network address translation NBMA networks See broadcast-based multiple access networks nbtstat command, 541–544 switches of, 543–544 NDIS See Network ... 125–136 Network diagrams logical, 487 physical, 485–487 Network documentation, 561, 565 Network driver interface specification (NDIS) boundary layer, 255 Network fundamentals history on networking ... communications, 5–14 logical networking topologies, 14–24 network types, 31–35 physical network models, 24–30 Network hijacking and modification, 213–214 protecting, 215 Network IDs, 299–305 class

Ngày tải lên: 04/07/2014, 13:20

... Trang 2CompTIA Network+ Certification Study Guide Trang 3This page intentionally left blankTrang 4CompTIA Network+ Certification Study Guide Exam N10-004 2E Robert J Shimonski ... CompTIA Network+ certification study guide / Robert J Shimonski [et al.] — 2nd ed p cm Includes index ISBN 978-1-59749-429-8 (pbk : alk paper) 1 Computer networks—Examinations—Study guides ... Syngress Publishing, Inc Elsevier, Inc 30 Corporate Drive Burlington, MA 01803 CompTIA Network+ Certification Study Guide Copyright © 2009 by Elsevier, Inc All rights reserved Printed in the United

Ngày tải lên: 04/07/2014, 13:20

... a network technician and to pass the CompTIA Network+ exam We cover network models such as centralized and decentralized, the differences between a local area network (LAN) and a wide area network ... editor for Network+ Study Guide & Practice Exams: Exam N10-003, (ISBN: 978-1-931836-42-5, Syngress), and technical edi-tor and a contributing author to Building DMZs for Enterprise Networks, ... common source for networking professionals to get the definitive source on networking knowledge So let us start from the very beginning, what exactly is a network anyway? whAT IS A NETworK? Even

Ngày tải lên: 04/07/2014, 13:20

... together for research purposes ■ ■ Packet Switched Networks, where messages sent over a network are broken into packets They are then sent over the network, and reas-sembled after reaching the destination ... be sent and received over the network, and provides utilities for working over a network Although only a few educational institutions and the government were networked together through ARPANet, ... redirects the request to the server Because of its popularity as a network OS, it was widely used on corporate and government networks Trang 7The Information Age AppearsIn the 1980s, computers became

Ngày tải lên: 04/07/2014, 13:20

... than the servers of years past, making peer-to-peer networks a viable solution for smaller networks In a peer-to-peer network, computers on the network act as equals, with each workstation providing ... depth in Chapter 9 virtual local Area Network VLANs allow network administrators to divide the network by designat-ing certain ports as part of a logical network Although several computers or ... things are, and how the network is configured Although networks are often unique to one another, the topology of each network will share characteristics with one another Networks will either use

Ngày tải lên: 04/07/2014, 13:20

... scope of a network, different terms have been created to classify these dif-ferent network types The types of networks that could be created include: Local area network ■ ■ Wide area network ■ ... network ■ ■ Metropolitan area network ■ ■ Storage area network ■ ■ Personal area network ■ ■ Campus area network ■ ■ lAN and wAN LANs and WANs were the first types of networks to be classified by ... network-ing, but may be seen in a networked environment for connecting laptops and other computers to devices like printers Because very little may be directly cabled together on a wireless network,

Ngày tải lên: 04/07/2014, 13:20

... Trang 1ChApTEr 1: Network Fundamentals 36 SuMMAry oF ExAM oBJECTIvES In this chapter, we discussed the fundamentals of networking, including what defines a network, and how networks came to be ... distributed throughout the network Trang 2A peer-to-peer network model has computers on a network acting ■ ■ as equals, and acting as both clients and servers of the network When one computer ... infor-mation The network is internetworked with a network belonging to a subsidiary of the company The subsidiary’s network uses Apple computers, and uses AppleTalk as a network protocol To access

Ngày tải lên: 04/07/2014, 13:20

... access and travel across that network. Connectors attached to the ends of the cables are plugged into or coupled in some way with a network card or other device on your network. In doing so, a physical ... of a cable is to carry data across a network. A network card passes an electronic signal onto a cable and a connector is used to connect the cable to the network card or other device to the ... the network card or another device, it provides a connection between the device and the physical media that carries data across your network. MEDIA ISSUES As with anything dealing with networks,

Ngày tải lên: 04/07/2014, 13:20

... using it Network Monitors and protocol Analyzers Network monitors and protocol analyzers monitor traffic on the network and display the packets that have been transmitted across the network If ... Troubleshooting Experienced network administrators know that cabling is one of the most common causes of network failure For this reason, you should check cabling early in the network troubleshooting ... transmitted across the network, the problem may lie with that particular packet type Because the network moni-tor enables you to view the contents of all packets on the network, in many cases,

Ngày tải lên: 04/07/2014, 13:20

... topology of coax networks A coax network uses a bus topology, which basically means that all of the network devices are connected in a linear fashion Each device on the network completes ... Trang 5ChApTEr 2: Network Media 70 over the network cable These standards include Ethernet, Fast Ethernet, and Gigabit Ethernet Ethernet Ethernet is the standard for most of the networks today As ... are technologies used on a network As with Token Ring, when a Trang 8workstation on an Arcnet network receives a token, it has the opportunity to communicate on the network If it doesn’t have

Ngày tải lên: 04/07/2014, 13:20

... into the types of cabling you’ll find on networks and the Network exam As we’ve discussed, there are three types of physical media that can be used on a network: coaxial cable, twisted-pair cable, ... Category 3 is the minimum grade of cable that supports networking, but it is not the best choice for networks CAT3 is a voice-grade cable used in phone networks, and its only real benefit beyond being ... of a network we’ve discussed in this chapter are either traditional components of a network, or have grown to become standard, there are other technologies that are either new, not readily associated

Ngày tải lên: 04/07/2014, 13:21

... external transceiver type Trang 2On networks that used 10Base2 and 10Base5 media, transceivers are used to connect to the cable and communicate with the network 10Base5 networks use a device called ... allows the workstation to connect to the network using an AUI cable When a MAU and AUI cable are used on a 10Base5 network, the onboard trans-ceiver of the network card isn’t used Instead, the transtrans-ceiver ... through the AUI cable from the network adapter card on the workstation On 10Base2 networks, no more than 30 transceiv-ers can be connected to any segment, while on 10Base5 networks no more than 100

Ngày tải lên: 04/07/2014, 13:21

... for controlling traffic and applying security features NETworK dEvICES Network devices are components of a network that are required if the network is to grow, function, or provide certain functionality ... rarely used on today’s networks In discussing these devices, we’ll tell you about their purpose, features, and functions on a network hEAd oF ThE ClASS… oSI and Network devices Network devices can ... now found incorporated in other network devices, such as hubs and switches. Trang 10Network Devices 105Network segmentation A bridge is a simple way to accomplish network segmentation Placing a

Ngày tải lên: 04/07/2014, 13:21

... Two Networking Technologies Connected via a Windows Server 2008 Router. Trang 2Concepts of ConvergenceOver the years, a number of network devices have become obsolete or less nec-essary to a network ... eXchange (PBX) or ISDN network router An NT2 device provides an S inter-face and accepts a T interinter-face from an NT1 NT2 usually handles data link and network layer functions in network with multiple ... expensive to replace a network card on a mainframe, it was often cheaper to just get a router with a Token Ring interface as well as an Ethernet one, so many Token Ring networks exist as of

Ngày tải lên: 04/07/2014, 13:21

... T3 line, which provides speeds of 44.736 Mbps Network Interface Cards Network interface cards, also referred to as network adapter cards or sim-ply network cards, are the key components that allow ... the network Installed on work-stations, servers, printers, and other network devices, it provides an inter-face to the network that allows data to be transmitted and received across the network ... address must be unique on each network card on a network You may wonder how a manufacturer can ensure uniqueness among all the network cards in the world No doubt there are network cards that have the

Ngày tải lên: 04/07/2014, 13:21

... protects a secure internal network from a public insecure network Firewalls are devices or software that has the ability to control the traffic that’s sent from an external network, such as the Internet, ... the next level by further isolating the internal network from the public network An addi-tional screening router is placed between the internal network and the fire-wall proxy server The internal ... techniques and technologies used to con-trol the flow of data between networks A firewall enables all traffic to pass through to each network; however, it compares the traffic to a set of rules that

Ngày tải lên: 04/07/2014, 13:21