cisco certified network associate study guide 8th edition 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

... 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

... 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

... 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

... the 2.0.0.0 network is being learned via EIGRP over the serial interface connecting RouterA and RouterB This is the network that we will be monitoring via dialer watch Notice that the network is ... 0 cisco isdn switch−type basic−ni ← Set the D channel call control dialer map ip 196.1.1.29 name RouterB broadcast 8995201 ← Define next hop address and dial string dialer−group 1 ← Associate ... Define threshold to add additional B channels dialer−group 1 ← Associate interface with dialer−list 1 username RouterA password 0 cisco isdn switch−type primary−5ess ← Set D channel call control

Ngày tải lên: 14/08/2014, 13:20

... for low−speed (any network T1 or slower) NBMA networks,and for all other networks the default is 15 seconds network: This router configuration command specifies a list of networks on which the ... subnet with the network command, the router converts it back to the classful network For example, if you try to enable EIGRP on subnetwork 10.1.1.0, the router converts it to its natural networknumber, ... default hello timer is 60 seconds for low−speed (any network T1 or slower)nonbroadcast multiple access (NBMA) networks, and for all other networks the default is 5 seconds ip hold−time eigrp:

Ngày tải lên: 14/08/2014, 13:20

... VLAN 2 Our routes will be learned via RIP network 192.1.1.0 ← Propagate RIP for the network on VLAN 1 network 193.1.1.0 ← Propagate RIP for the network on VLAN 2 ! no ip classless ! ! line ... boot process. Cisco3620#sh ver Cisco Internetwork Operating System Software IOS (tm) 3600 Software (C3620−I−M), Version 11.2(8)P, RELEASE SOFTWARE (fc1) Copyright (c) 1986−1997 by cisco Systems, ... directly connected networks Each of these networks is coming into RouterC on the same physical 100ưMbps Ethernet circuit The Ethernet circuit has defined two subinterfaces, VLAN 1 is associated with

Ngày tải lên: 14/08/2014, 13:20

... none cisco version number : 1 peer group number : 0 border peer capable : no peer cost : 3 biu−segment configured : no current border peer : none version string : Cisco Internetwork ... none cisco version number : 1 peer group number : 0 border peer capable : no peer cost : 3 biu−segment configured : no current border peer : none version string : Cisco Internetwork ... unsupported saps : none Trang 5 reachable netbios names: none cisco version number : 1 peer group number : 0 border peer capable : no Cisco Internetwork Operating System Software IOS (tm) 3600 Software

Ngày tải lên: 14/08/2014, 13:20

... low−priority traffic over separate links • Trang 6Chapter 14: Cisco Discovery ProtocolCisco Discovery Protocol Overview CDP runs on all Cisco routers and switches It can run over any physical media ... seconds. The following code shows a captured CDP packet A Network Associates sniffer was put on an Ethernet LANthat also had several Cisco routers connected to it As can be seen from the packet ... CDP is supported in Cisco IOS releases 10.3 and higher Lab #68: Cisco CDP WAN Example Equipment Needed The following equipment is needed to perform this lab exercise: Three Cisco routers, one

Ngày tải lên: 14/08/2014, 13:21

... IPX networks are directly connected: Network 1 is on Ethernet0, Network 2 is on Serial 0, and Network 5 is on Loopback 0 RouterA has learned about two networks via the IPX RIP routing protocol Network ... single AppleTalk network number. AppleTalk Phase II networks are much more flexible in their network addressing A Phase II network allows multiple network numbers to exist on each network segment ... loopback networks on RouterA and RouterB We see below that routes are being learned to IPX Networks 1 and 4:RouterC#sh ipx route Codes: C − Connected primary network, c − Connected secondary network

Ngày tải lên: 14/08/2014, 13:21

... & 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 ... 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 collection of questions and ... 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

... 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