cisco certified network associate study guide pdf

... 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 ... to understanding Cisco is the OSI model The OSI model permits people to understand how internetwork works and it serves as a guideline or framework for creating and implementing network standards, ... 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

... on identifying VLANs, see Chapter 6 of CCNA: Cisco Certified Network Associate Study Guide, 3rd ed (Sybex, 2002). Verifying the Configuration An internetwork switch needs a way to keep track of ... the network, leaving only 254 available hosts in each network Class C networks always start with a value of 192 to 223 and would be viewed as network.network.network.node The 192.168.10 network ... www.cisco.com/warp/public/10/wwtraining/certprog/testing/pdf/ccna_607.pdf You¡¯ll notice that the objectives are vague For complete, in-depth coverage of the technologies and topics involved in Cisco networking, we recommend the CCNA: Cisco Certified

Ngày tải lên: 18/01/2014, 05:20

... 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) ... ONE network, and we need 28 E: This gives us 6 bits of network, and the problem calls for 5 Steve McQuerry Interconnecting Cisco Network Devices (Cisco Press: 2000) pages 228 – 236 Q.38 Cisco

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

... 1 EXAM OBJECTIVES IN THIS CHAPTER WHAT IS A NETWORK? 2 LOGICAL NETWORKING TOPOLOGIES 14 PHYSICAL NETWORKING MODELS 24 NETWORK TYPES 31 INTRODUCTION Networks have been around for many years, long ... 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,

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. ... 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

... across the network. When data loops endlessly around the network in this way, it eats up the available bandwidth and can affect network performance. Not only can computers on the network experience ... DAMAGE AND DEFENSE Switching on Networks In terms of devices that provide network connectivity, switches have become the future of networking. Today’s computer networks have to support the combination ... and 5. now wants you to connect the two networks together. Your com- pany’s existing network is twice the size of the new network. To get these two networks connected together, which of the

Ngày tải lên: 04/07/2014, 13:21

... 5: Wireless Networking 228 Many wireless networks that use the same frequency within a  small space can easily cause network disruptions and even denial of service (DoS) for valid network users. ... OSI MODEL 237 THE DOD NETWORKING MODEL 257 NETWORKING PROTOCOLS 265 INTRODUCTION To prepare for the CompTIA Network exam, you should begin by reviewing the foundations of networking. Among these, ... Exploits of Wireless Networks Examining the common threats to both wired and wireless  networks provides a solid understanding in the basics of security principles and allows the network administrator

Ngày tải lên: 04/07/2014, 13:21

... this for the Network+ exam. Private Network Addresses 325  Renumbering If using NAT, no readdressing of privately addressed networks is necessary to access public networks.  Networks Treating ... applications in its network, but is not connecting its network to the global Internet, the IP addresses used do not have to be globally unique. A network of this type is called a private network, and ... organization. Only networks that interface with public networks such as the Internet need public addresses. Using pub- lic addresses on the outside and private addresses for inside networks is very

Ngày tải lên: 04/07/2014, 13:21

... new routers or network links are added to a network, is a routing loop, which occurs in this fashion: A source computer on Network A is trying to reach a destination 1 computer on Network C The ... receiving computer As you’ve worked through this guide, you’ve learned that routing takes place at the network layer, and routing is all about recognizing network and host IP addresses and mapping ... similar to the tasks given to the network layer within the OSI model Protocols that exist at the network later are responsible for finding a path through a network to the destination computer

Ngày tải lên: 04/07/2014, 13:21

... change What types of networks are most likely to use OSPF instead of RIP? Q: Large enterprise networks and very large internetworks, A: such as corporate campuses and global networks Microsoft ... the physical cabling and network devices that connect you to the network Troubleshooting often begins at the physical layer, where you ■ ■ need to determine if your network cards, hubs, and ... possibility of loops on a switched or bridged network Troubleshooting the Network layer A great deal of your troubleshooting time will be spent at the ■ ■ network layer, as this actually controls

Ngày tải lên: 04/07/2014, 13:21

... Subnetwork of a Metropolitan Area Network 802.6k Distributed Queue Dual Subnetwork of a MAN. Supplement for MAC bridging 802.6l Point-to-Point Interface for Subnetwork of MAN. Specification for network ... Computer Network local-network protocols RFC894 Standard for the transmission of IP datagrams over Ethernet networks RFC895 Standard for the transmission of IP datagrams over experimental Ethernet networks ... the network from interfering with one another when trying to transmit; if they do, a collision occurs. To reduce collisions, CSMA/CD devices listen to the network before transmitting. If the network

Ngày tải lên: 04/07/2014, 13:21

... dissimilar networks so that both are able to communicate For example, if your Ethernet network is to be connected to a Token Ring network, you will need to have a gateway so that hosts in the two networks ... a legitimate solution As a network technician, you are asked to deploy a network load 11 balancer You need to configure a network load balancer on the 10.0.10.0/8 network for the Web development ... of a small business network You notice 14 that as you add workstations to the network over time the speed of the network decreases, what devices would you replace in your network with what other

Ngày tải lên: 04/07/2014, 13:21

... Sarbanes-Oxley Act of 2002 As an organization that has computer networks and recognizes information security as an important role in how to develop your networks, you must be aware of ISO/IEC 27002:2005 Regulations ... Wiring schematics, physical/logical network diagrams, baselines, policies, procedures, configurations, and regulations B Wiring schematics, physical/logical network diagrams, load bal-ancing, ... engines C Wiring schematics, technical network diagrams, baselines, poli-cies, procedures, configurations, and regulations D Building schematics, physical/logical network diagrams, base-lines, policies,

Ngày tải lên: 04/07/2014, 13:21

... Technologies USA A+ CERTIFICATION STUDY GUIDE Windows/DOS Exam Edition Congratulations!! You have purchased one of the Troy Technologies USA Study Guides This study guide consists of a selection ... drive letter to a network share? Select all that apply A: Double-click the Network Neighborhood icon, highlight an object in its dialogue box, select the File option, click "Map Network Drive" Right-click ... “Windows 95 doesn’t recognize the device” appears associated with a network interface card What can cause this problem? A: Hardware is missing Network card not connected to a data port 468 How

Ngày tải lên: 11/12/2013, 14:15

... Technologies. Study Guide. This study guide is a complete collection of questions and answers that have been developed by our professional & certified team. You must study the contents of this guide ... we would suggest you for studying this study guide is approximately 15 to 20 hours and you will surely pass your exam. We guarantee it! GOOD LUCK! DISCLAIMER This study guide and/or material is ... official score notice at: info@fravo.com We will gladly refund the cost of this study guide or give you an exchange of study guide of your choice of the same or lesser value. This material is protected

Ngày tải lên: 21/12/2013, 05:17

... 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 ... 302 Network intrusion detection system (NIDS) network design with, 389–392 vs. NIPS, 388–389 Network intrusion protection system (NIPS) network design with, 389–392 vs. NIDS, 388–389 Network

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

... 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, ... them over the network will take place As we approach 2010, it’s interesting to look back on the last decade of networking … how it has evolved and where we will wind up next loGICAl NETworKING TopoloGIES

Ngày tải lên: 04/07/2014, 13:20

... 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 ... 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

Ngày tải lên: 04/07/2014, 13:20