cisco certified network associate ccna study guide

... 640-607 640 - 607 Cisco Certified Network Associate 2.0 CCNA 2.0 Version 3.0 Leading the way in IT testing and certification tools, www.testking.com ... Interconnecting Cisco Network Devices (Cisco Press: 2000) pages 332 and 345-6 Q 10 Which devices operate at all seven layers of the OSI model? (Choose three.) A B C D E F Network host Network management ... configured as point-to-point Steve McQuerry Interconnecting Cisco Network Devices (Cisco Press: 2000) pages 427-429 Q Which IOS command is used to associate an ISDN phone number with the next hop router

Ngày tải lên: 18/10/2013, 18:15

... Cisco E Cisco routers support three types of LMIs: Cisco, ANSI and Q933a This question is looking for the default encapsulation type Steve McQuerry Interconnecting Cisco Network Devices (Cisco ... followed by the network command The network command must be issued for each directly connected network Trang 821certify.com Steve McQuerry Interconnecting Cisco Network Devices (Cisco Press: 2000) ... exit router rip network 192.168.159.0 network 192.168.75.0 ^z copy running-config startup-config Explanation: Trang 11Wendell Odom Cisco CCNA Exam #640-507 Certification Guide (Cisco Press: 2000)

Ngày tải lên: 24/01/2014, 13:20

... 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

... Questions 1 A The most alluring feature of a wireless network is the freedom to move about while remaining connected to the network Wired networks cannot offer this feature 2 D Generally speaking, ... design model is where users attach to the network Wireless network devices are most generally installed in this capacity There are times when wireless networks may be used in a distribution role, ... wired backbone Wireless networks are meant for mobile access rather than server room connectivity 3 A, B, D Cabling a facility is a time-consuming and expensive task Wireless networks can quickly

Ngày tải lên: 14/08/2014, 14:20

... point-to-point links to create a network, fall into the category known as Wireless Metropolitan Area Networks, or WMANs Meshing many point-to-point wireless links high-to form a network across a very large ... enterprise wireless networking solution while HomeRF is only implemented in home environments due to lower output power restrictions by the FCC Wireless Metropolitan Area Networks Other spread ... implementing the network will have control of the frequency range where the WMAN is being implemented and will not have to worry about the chance of someone else implementing an interfering network The

Ngày tải lên: 14/08/2014, 14:20

... wireless network to another Instead of manually having to reconfigure all of the wireless client’s settings each time you change networks, you may configure profiles for each wireless network ... gateway FIGURE 4.19 An enterprise wireless gateway installed on a network Corporate Network Trang 8assign a certain level of wireless network access to a particular job position in the company If ... to attach to the network, but not passers-by, then the network is likely more secure Setting WEP keys and MAC filters before deployment is a very good idea for small wireless networks 13 B, D,

Ngày tải lên: 14/08/2014, 14:20

... the RF calculations should be done ahead of time to make sure the RF signals will be within FCC guidelines After the calculations are complete and the necessary amount of amplification is known, ... recommended where the RF calculations are done ahead of time to assure the signals are within FCC guidelines Once the necessary attenuation is calculated, the appropriate fixed-loss attenuator can ... well A lightning arrestor is not meant to withstand a direct lightning strike, nor protect your network from such a strike A lightning arrestor can generally shunt (redirect) surges of up to 5000

Ngày tải lên: 14/08/2014, 14:20

... network performance Wireless LAN Frames vs Ethernet Frames Once a wireless client has joined a network, the client and the rest of the network will communicate by passing frames across the network, ... but only about 30% on an average use network When an Ethernet network becomes congested, CSMA/CD can cause overhead of up to 70%, while a congested wireless network remains somewhat constant at ... not to introduce unnecessary overhead into the network Finding the optimal fragmentation setting to maximize the network throughput on an 802.11 network is an important part of administering a

Ngày tải lên: 14/08/2014, 14:20

... overhead on the network 17 B The near/far problem is one that is addressed by the access protocols used by wireless networks This problem is seen in both cellular and wireless LAN networks When ... undoubtedly Trang 8find many wireless networks that have many access points, all of them configured for the same channel In these types of situations, a discussion with the network administrator that installed ... always adds overhead to the network, decreasing throughput Use of the RTS/CTS protocol, when used appropriately, can help reduce a high rate of collisions on a wireless network, but does not solve

Ngày tải lên: 14/08/2014, 14:20

... to gain access to the network Trang 2the access points and the wired upstream network As its name suggests, a gateway controls access from the wireless LAN onto the wired network, so that, while ... will ensure that the wireless network remains as safely guarded as the wired network Keep Sensitive Information Private Some items that should be known only by network administrators at the ... individuals such as the network administrator is important because a malicious user or hacker could easily use these pieces of information to gain access into the network and network devices This

Ngày tải lên: 14/08/2014, 14:20

... wired network connectivity available? If network connectivity is not available, a wireless bridge may be required or an access point may need to be operated in repeater mode to provide network ... desirable scenario, and the network performance would be much better if the access point could be wired to the network If the distance between the access point and the network connection is more ... avoid the interference of trying to coexist with another 802.11b network However, it should be noted whether or not other 802.11a networks exist in the area that could interfere with an 802.11a

Ngày tải lên: 14/08/2014, 14:20

... OWNERSHIP The Study Guide is proprietary to PLANET3 WIRELESS, INC., who retains exclusive title to and ownership of the copyrights and other intellectual property rights in the Study Guide These ... Berne Copyright Convention You have no ownership rights in the Study Guide Except as expressly set forth herein, no part of the Study Guide may be modified, copied, or distributed in hardcopy or ... non-transferable license to use the Study Guide, in part or in whole, for your internal business or personal use Any internal or personal use of the Study Guide content must be accompanied by

Ngày tải lên: 14/08/2014, 14:20

... and unassociated 2 Authenticated and unassociated 3 Authenticated and associated Trang 11Authenticated and Unassociated In this final state, your wireless node is completely connected to the network ... The station searching for a network listens for beacons until it hears a beacon listing the SSID of the network it wishes to join The station then attempts to join the network through the access ... connected to the network Stations use the information obtained through passive scanning for locating the next best access point (or ad hoc network) to use for connectivity back into the network For

Ngày tải lên: 14/08/2014, 14:21

... DISCLAIMER This study guide and/or material is not sponsored by, endorsed by or affiliated with Cisco Systems, Inc. Cisco®, Cisco Systems®, CCDA™, CCNA™, CCDP™, CCNP™, CCIE™, CCSI™, the Cisco Systems ... 2003 - How2pass.com http://www.how2pass.com This study guide is a selection of topics, you will find questions from, on the official CCNA exam. Study and memorize the concepts presented here, ... Transport Layer SPX TCP UDP Network Layer NetBEUI IPX IP ICMP Data Link Layer NDIS ODI / NDIS ARP & RARP & NDIS Physical Layer Network Interface Card Network Interface Card Network Interface Card

Ngày tải lên: 22/12/2013, 10:16

... 1Student Study GuideEXAM 98-364 Database Administration Fundamentals Trang 2MICROSOFT TECHNOLOGY ASSOCIATE (MTA)STUDENT STUDY GUIDE FOR DEVELOPERS STUDENT STU UDY GUIDE FOR DEVELOPERS ECHNOLOGY ASSOCIATE ... from them and show them what you know by becoming MTA certifi ed! This MTA Student Study Guide serves as a study tool to help students prepare for their MTA certifi cation exam Students are challenged ... STUDY GUIDE FOR DEVELOPERS STUDENT STU UDY GUIDE FOR DEVELOPERS ECHNOLOGY ASSOCIATE (MTA D Y GUIDE F F O A ASSOCIATE R DEVELO P ER A A) S S 98-364 Database Administration Fundamentals Trang 3Peggy

Ngày tải lên: 30/03/2014, 22:20

... CCNA Cisco Certified Network Associate Study Guide Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com San Francisco • Paris • Düsseldorf • Soest • London CCNA ™ Cisco ... This study guide and/or material is not sponsored by, endorsed by or affiliated with Cisco Systems, Inc. Catalyst®, Cisco®, Cisco Systems®, Cisco® IOS, Cisco Systems Networkng Academy™, CCDA™, CCNA™, ... London CCNA ™ Cisco ® Certified Network Associate Study Guide Second Edition Todd Lammle www.sybex.com Copyright ©2000 SYBEX , Inc., Alameda, CA Associate Publisher: Neil Edde

Ngày tải lên: 14/08/2014, 13:20

... products Cisco sells F I G U R E 1 2 1 Cisco router products Cisco 700/800 series Cisco 1600/1700 series Cisco 2500 series Cisco 2600 series Cisco 3600 series Cisco 4000 series Cisco 7000 series Cisco ... model is Cisco’s first gigabit switch and has enor-mous capability and functionality Cisco 1500 Micro Hub Cisco 1528 Micro Hub 10/100 Cisco FastHub100 Cisco FastHub200 Cisco FastHub300 Cisco FastHub400 ... 15Selecting Cisco Products 47F I G U R E 1 2 0 Cisco hub products Cisco Routers When you think of Cisco, what do you think of first? Hubs? I don’t think so You think of routers, of course Cisco makes

Ngày tải lên: 14/08/2014, 13:20

... of networks based on network size For the small number of networks possessing a very large Trang 18number of nodes, they created the rank Class A network At the other extreme is the Class C network, ... address The format is net-Network.Network.Network.Node Using the example IP address 192.168.100.102, the network address is 192.168.100, and the node address is 102 In a Class C network address, the ... the less network traffic on that network segment Optimized network performance This is a result of reduced network traffic Simplified management It’s easier to identify and isolate network prob-

Ngày tải lên: 14/08/2014, 13:20

... basics of Cisco routers covered in this chapter include the following: Operat- Understanding the Cisco Internetwork Operating System (IOS) and how you can use the IOS to run and configure Cisco ... images Router#sh version Cisco Internetwork Operating System SoftwareIOS (tm) 2500 Software (C2500-JS-L), Version 12.0(8), RELEASE SOFTWARE (fc1) Copyright (c) 1986-1999 by cisco Systems, Inc Compiled ... $ized to be in Acme.com network, then you must disconnect immediately. Router con0 is now available Press RETURN to get started If you are not authorized to be in Acme.com network, then you must

Ngày tải lên: 14/08/2014, 13:21

... Routing Protocol (IGRP) is a Cisco proprietary distance-vector routing protocol This means that all your routers must be Cisco routers to use IGRP in your network Cisco created this routing pro-tocol ... balancing and traffic sharing are covered more in depth in Sybex’s CCNP: Routing Study Guide. Configuring IGRP in Our Internetwork Configuring IGRP is pretty straightforward and not much different from ... internetwork must use the same AS number if you want them to share routing information In our internetwork, we’ll use AS 10 to configure the routers Trang 9Configuring IGRP in Our Internetwork

Ngày tải lên: 14/08/2014, 13:21