cisco network academy programme

... QUESTION 39 In which networks would it be the norm to use Static Routing? (Choose all that apply.) A Dial-on-demand networks B Smaller expanding networks C Stub networks... Ring network Answer: ... the network The packets are automatically characterized based on flow at the routers in the middle of the network Answer: D... provide administrative access for content networking? A Cisco ... tools is targeted toward small to medium-size business? A Netsys B CiscoWorks Lite C CiscoWorks Standard D CiscoWorks Premium E CiscoWorks for Windows Answer: E QUESTION 65 You are a technician

Ngày tải lên: 21/12/2013, 05:17

... campus network can create a backdoor to your network by dialing out to another network, or being left in answer mode to allow remote access directly to a workstation on your internal network ... logical design of a network Security considerations can have an effect on the physical design of the network You need to know the specifications that will be used to purchase network equipment, ... encryption at the Open Systems Interconnection (OSI) network layer Virtual private networks (cov-ered in more detail in Chapter 5, “Virtual Private Networks”) can be used to establish secure channels

Ngày tải lên: 19/01/2014, 18:20

... 679 switching, 678 network maps, creating with CDP, 627 network masks, 429 network servers, booting from, 648 network testing, 787–788, 790–792 Layer 3, 793–796 Layer 7, 797–798 networking devices ... ports, 535–536 managing Cisco IOS Software with ROMmon, 662–667 with TFTP, 660–661 Manchester encoding, 318 MANs (metropolitan-area networks) versus LANs and WANs, 52 mapping networks with CDP, 627 ... type codes, 906 neighbors, displaying, 623–624 Netscape, 17 network access layer, TCP/IP model, 381–382 network addresses, 398, 677 network layer (OSI model), 72 addressing, 438–439 dynamic routing,

Ngày tải lên: 04/07/2014, 18:20

... Trang 1Cisco Networking Academy Program CCNA 1 and 2 Companion Guide Third Edition Cisco Systems, Inc Cisco Networking Academy Program Cisco Press 201 West 103rd Street ... www.ciscopress.com 1102.book Page i Tuesday, May 20, 2003 2:53 PM Trang 2Cisco Networking Academy Program CCNA 1 and 2 Companion Guide Third Edition Cisco Systems, Inc. Cisco Networking Academy ... those of Cisco Systems, Inc. This book is part of the Cisco Networking Academy Program series from Cisco Press The products in this series support and complement the Cisco Networking Academy Program

Ngày tải lên: 04/07/2014, 18:20

... 2003 2:53 PM Trang 6Cisco IOS Software Editing Commands 571 Router Command History .572 Cisco IOS Software Fundamentals .574 Operation of Cisco IOS Software 574 Cisco IOS Software Features ... 221 Wireless Networking Media 222 Host LAN Connectivity: NICs and Interfaces 225 Workstation and Server Relationships 226 Peer-to-Peer Networks 227 Client/Server Networks 228 ... Configuration Register Values 649 Displaying the Currently Running Cisco IOS Software Version 650 Managing Cisco IOS Software Images 651 Cisco IOS Software Naming Conventions 654 Managing Configuration

Ngày tải lên: 04/07/2014, 18:20

... reliance on the network, expands To meet the many educational needs of the internetworking community, Cisco Systems established the Cisco Networking Academy Program The Networking Academy is a comprehensive ... and the Cisco Networking Academy Program is in the forefront of this transformation This Cisco Press title is one of a series of best-selling companion titles for the Cisco Networking Academy ... with Cisco Systems and the Internet I also hope that you will choose to continue your learning after you com-plete the Networking Academy curriculum In addition to its Cisco Networking Academy

Ngày tải lên: 04/07/2014, 18:20

... Introduction to NetworkingThe Internet is the largest data network in the world The Internet consists of a multi-tude of interconnected networks, both large and small At the edge of this giant network ... 14, “Managing Cisco IOS Software,” examines the stages of the router boot sequence It also covers how to use a variety of Cisco IOS Software source options, execute commands to load Cisco IOS Software ... and make the connection between theory and practice Trang 5Part ICCNA 1: Networking Basics Chapter 1 Introduction to Networking Chapter 4 Cable Testing and Cabling LANs and WANs Chapter 6 Ethernet

Ngày tải lên: 04/07/2014, 18:20

... a network, consider the following: ■ Type of network—Different types of networks use different types of NICs For example, Ethernet NICs are designed for Ethernet LANs Some other types of networks ... provides a port for connecting to the network The NIC consti-tutes the computer interface with the LAN Figure 1-6 Network Interface Card The NIC communicates with the network through a cable and with ... local-area network (WLAN) Figure 1-5 PC Card Lab Activity PC Hardware This lab helps you become familiar with the basic peripheral components of a PC system and their connections, including network

Ngày tải lên: 04/07/2014, 18:20

... data transferred over a network connection ■ kBps (kilobytes per second)—One thousand bytes per second This is a standard measurement of the amount of data transferred over a network connection Table ... over a network connection Basic Ethernet operates at 10 Mbps ■ MBps (megabytes per second)—One million bytes per second This is a standard measurement of the amount of data transferred over a network ... binary form and vice versa is a common task when dealing with the configuration register in Cisco routers Cisco routers have a configuration register that is 16 bits long That 16-bit binary number

Ngày tải lên: 04/07/2014, 18:20

... corpo-rate network securely Remote Office with Cisco Router Regional Office with Cisco PIX Firewall POP Corporate Business Partner with Cisco Router SOHO with Cisco ISDN/DSL Router Mobile Worker with Cisco ... and VPNs These various specialized networks are covered in this section Storage-Area Networks (SANs) Astorage-area network (SAN) is a dedicated, high-performance network that moves data between ... E-Commerce Streaming Application Highly Available, Scalable, Performance Network of Layer 2/3 Content Networks L2/L3 Networks Intelligent Network Services Content Distribution and Management ContentRouting

Ngày tải lên: 04/07/2014, 18:20

... throughput: ■ Internetworking devices ■ Type of data being transferred ■ Network topology ■ Number of users on the network ■ User’s computer ■ Server computer ■ Power conditions ■ Congestion A network’s ... administrator will be aware of changes in network performance and changes in the needs of network users The network can then be adjusted accordingly Data Transfer Calculation Network designers and administrators ... bandwidth is an important consideration in network design, because network bandwidth is never greater than the limits imposed by the chosen medium and networking technologies Figure 2-15 lists

Ngày tải lên: 04/07/2014, 18:20

... and size of networks As compa-nies realized the money they could save and the productivity they could gain by using networking technology, they added networks and expanded existing networks almost ... computer on a network, even if the sender and receiver have different types of network media The OSI reference model has seven numbered layers, each of which illustrates a partic-ular network function: ... 4—Transport layer ■ Layer 3—Network layer ■ Layer 2—Data link layer ■ Layer 1—Physical layer This separation of networking functions is called layering Dividing the network into seven layers

Ngày tải lên: 04/07/2014, 18:20

... devices can exist without a network, but without a network, host capabilities are greatly reduced Host devices are physically connected to the network media using a network interface card (NIC) ... the entire network (Network topology is discussed later in this chapter.) Hubs are considered Layer 1 devices because they only regenerate the signal and repeat it out all their ports (network connections) ... is accomplished To filter or selectively deliver network traffic, bridges build tables of all MAC addresses located on a network segment and other networks and then map them to associated ports

Ngày tải lên: 04/07/2014, 18:20

... Ethernet networks Any Cisco AP can be used as a repeater (extension point) for the wireless network Figure 2-38 Wireless Bridge Network Topologies A network topology defines how computers, printers, network ... enter or leave certain networks Figure 2-33 shows a Cisco PIX Firewall 535 series, which is a dedicated network device Trang 290 Chapter 2: Networking FundamentalsFigure 2-33 Cisco PIX Firewall AAA ... hardware component of a network A firewall protects a private network’s resources from users in other networks Working closely with a router program, a firewall examines each network packet to determine

Ngày tải lên: 04/07/2014, 18:20

... host in the network is connected to the central device with its own cable When a star network is expanded to include additional networking devices that are connected to the main networking device, ... protocol header extended-star topology A network in which a star network is expanded to include an additional networking device that is connected to the main networking device extranet Intranet-based ... address that uniquely identifies each node of a network This address controls data communication for the host on the network metropolitan-area network (MAN) A network that spans a metropolitan area

Ngày tải lên: 04/07/2014, 18:20

... the network layers? A. 1: Physical 2: Data link 3: Transport 4: Network 5: Presentation 6: Session 7: Application Trang 2110 Chapter 2: Networking FundamentalsB. 1: Physical 2: Data link 3: Network ... travels through networks B. A model that describes how data makes its way from one application program to another throughout a network C. A conceptual framework that specifies which network functions ... Presentation 7: Application C. 1: Physical 2: Data link 3: Network 4: Session 5: Transport 6: Application 7: Presentation D. 1: Physical 2: Network 3: Session 4: Data link 5: Transport 6: Application

Ngày tải lên: 04/07/2014, 18:20

... 100 Mbps. Used in Fast Ethernet networks. ■ Category 5e (CAT 5e)—Used in networks running at speeds up to 1000 Mbps (1 Gbps). Used in Gigabit Ethernet (GigE) networks. ■ Category 6 (CAT 6)—The ... on two types of copper cable used for networks: ■ Twisted-pair—Twisted-pair cables are composed of one or more pairs of copper wires. Most data and voice networks use twisted-pair cabling. ■ ... 2:53 PM 124 Chapter 3: Networking Media Twisted-Pair Cable Twisted-pair cable is a type of cabling that is used for telephone communications and most modern Ethernet networks. A pair of wires

Ngày tải lên: 04/07/2014, 18:20

... Best Practices* Ideas to help you when implementing Best Practices in the Cisco Network Academy Program These rubrics provide a standard for learners. ... that can cause a PING to fail (Sem 2) • You are troubleshooting the 5-router network. Distinguish between observable network symptoms and what problems you might infer are causing those symptoms. ... • Demonstrates the connections between and among the various components of networking • Shows knowledge of basic networking vocabulary • Demonstrates the ability to construct simple materials,...

Ngày tải lên: 21/12/2013, 05:16

... known as the Cisco Access Server 5100. Cisco 7000 Any of the Cisco 7000 series of routers (the Cisco 7000 or the Cisco 7010), a high-end router platform that supports a wide range of network ... variety of network computing environments. The Cisco 4000 series routers run the Cisco IOS software and can be optimized for particular environments with custom configurations. Cisco 5100 Cisco ... routers. The Cisco 2500 is designed for small offices and other remote sites and runs the Cisco IOS software. Sometimes called the Cisco Access Server 2500 series. Cisco 4000 Any of the Cisco 4000...

Ngày tải lên: 04/11/2013, 16:15

... 1163 Current Network Topology and Characterization 1164 Recommendations 1173 Network Health 1173 Network Provisioning 1195 Subnet Masks 1197 Cisco Press has numerous books on networking. ... sublayer interfaces with the network layer (OSI model Layer 3). Network Layer Addresses Network layer addresses identify a device at the OSI network layer (Layer 3). Network addresses exist within ... understanding of the network in question, whether it is a current or planned implementation. Just as no two networks are alike, documentation of such networks follows suit. Often networks are not...

Ngày tải lên: 10/12/2013, 14:16