Tài liệu GPRS/GSM Network pptx

... across local-area networks (LANs), metropolitan-area networks (MANs), and wide-area networks (WANs). LAN Applications 10 Gigabit Ethernet would serve well in the following network environments: ... should document your network assets or a statement advising that network documentation is a good tool to have when troubleshooting a network issue. The challenge here is what network...

Ngày tải lên: 10/12/2013, 14:16

... model. Network Layer Concepts The most important Network layer concepts are:  Logical network addressing  Routing Logical Network Addressing In the last section, you learned that every network ... network addresses, see Chapter 4, “TCP/IP Utilities.” Using Network Address Formats Whenever you have to set up a network or add a station, it is important to have an understandin...

Ngày tải lên: 10/12/2013, 16:15

... an introduction to networking, networking concepts, and IP addressing—basically theory and concept information. In this chapter, I’ll begin discussing the applied side of networking. This chapter ... 4.01 Cisco’s Networking Products The last part of Chapter 2 discussed Cisco’s three-layer hierarchical model for network design: core, distribution, and access. Once you have designed your net...

Ngày tải lên: 11/12/2013, 13:15

... 1-2 Implementing Network Admission Control Phase One Configuration and Deployment OL-7079-01 Chapter 1 Introducing Network Admission Control Overview NAC helps ensure that a network client has ... window shown in Figure 2-33. 2-34 Implementing Network Admission Control Phase One Configuration and Deployment OL-7079-01 Chapter 2 Implementing Network Admission Control Installing...

Ngày tải lên: 21/12/2013, 06:16

... Figure 12.12, a Kohonen network is used as a two-dimensional network tuned to a variety of input patterns through unsupervised learning. This network divides the multilayer perceptron network (MLP) into ... this network, information flow and storage in the MLP is directed to a specified cluster. The neurons of the output layer in P -network accept their incoming activation signal weig...

Ngày tải lên: 25/12/2013, 19:15

... với vai trò 1 Administrator thì không phải build up một network cho chạy là xong, mà phải kiểm soát và phải có phương hướng bảo mật cho network của mình. (Các tên nhân vật và tình huống câu chuyện ... đăng nhập để check mail. - Sếp đã đăng nhập vào mail và đọc mail. NMAP = Network Exploration Tool And Security Scanner (Network mapper) Đây là 1 công cụ cực kỳ quan trọng của hacker cũn...

Ngày tải lên: 23/01/2014, 06:20

... suppose that your network is configured as shown in Fig- ure 11.17. Network A uses the IP network address 131.1.0.0. Network B uses the IP network address 131.2.0.0. In this case, each network card ... B Class C Network Host Network Host Network Host Copyright © 2000 SYBEX Inc., Alameda, CA. www.sybex.com Installing and Configuring Network Protocols 517 Table 11.2 shows t...

Ngày tải lên: 24/01/2014, 09:20

... CCIE Fundamentals: Network Design 1-8 Providing Integrated Solutions The trend in internetworking is to provide network designers greater flexibility in solving multiple internetworking problems ... scalable network. Cisco IOS software also supports this internetwork with advanced security, quality of service, and traffic services. Determining Your Internetworking Requirements Designing an...

Ngày tải lên: 24/01/2014, 10:20

... enterprise wide network that spans multiple geographic regions • Several local area networks (LANs), each with a few servers and a few hundred clients. • An expanding or downsizing network in which ... Enterprise DBA Part 3: Network Administration 5-5 Resolution with Local Naming Resolution with Local Naming Resolution with Local Naming If there are a few nodes on a network, managin...

Ngày tải lên: 25/01/2014, 05:20

... following: a) MN visits new network b) New network obtains the address of old network c) New network requests context transfer to old network d) Old network transfers context of MN to new network e) After ... Closed Network Access Control: Closed Network [35] is a proprietary access control mechanism. With this mechanism, 5 a network manager can use either an open or a clo...

Ngày tải lên: 14/02/2014, 16:20