mobile network evolution ppt

Ngày tải lên: 07/07/2014, 05:20

... Development of Mobile Network Services in Vietnam ………………………………………………… 3 1. The Origin of Mobile Network …………………………… 3 2. The Development of Mobile Network services………………. 3 3. Mobile Network Business ... the mobile network services have a big part in this developing process about business and technology. This study will show aspects of mobile network to help everyone to understand about mobile network ... using mobile network problems? A. You change your mobile network B. You inform providers of problems and ask them have to repair C. You deem not to know 8. Can you evaluate your mobile network? ...

Ngày tải lên: 22/04/2013, 15:35

... 5 Figure 1.1: Connect to a Network Window One interesting option you might notice in the list of available networks is the ability to connect networks that have the name “Unnamed Network. ” These are ... network. You will also have the option to connect to the AP automatically , making it your preferred network. Y ou will also be able to dis- connect from a network or modify your preferred network ... necessary. If you need to manually configure your network connection settings, from the Connect to a network window use the Set up a connection or network option in the lower left hand corner and...

Ngày tải lên: 10/12/2013, 14:15

... involved in the network at this level. We have the network medium, typically coaxial or twisted pair cabling (although wireless networking is increasing in popularity); and we have the network interface ... the DoD model, defines four layers starting at the network cable (or interface) and working its way up: ■ Network Interface ■ Internet (or Internetworking) ■ Host to Host (or Transport) ■ Application Each ... discuss each of these in detail later in this chapter. Network Interface Hardware/Software The network interface is established through the Network Interface Card. Each type of NIC uses a different...

Ngày tải lên: 10/12/2013, 17:15

... Ethernet services • Carrier-class TDM over packet networks • Protection from network failures • LoopStar 700 in-band or out-of-board management • Network processor-based architecture • Compact, ... Extending the Metro Network Further Service providers must be able to deliver a diverse mix of services to all customers—regardless of the capacity size or location—across any type of network. Yet ... providers to create a secure, reliable network that resolves today’s multiservice challenges while setting the stage for migration to next-generation networking. 2 w w w . a d c . c o m • +...

Ngày tải lên: 10/12/2013, 19:15

... Comprehensive Guide to Network Security page 33 Network Layer The network layer describes how systems on different network segments find each other; it also defines network addresses. A network address ... to serialize network devices (like network cards or networking hardware) and is a unique identifier that distinguishes it from any other networking device in the world. No two networking devices ... systems. Note The network address is assigned by the network administrator and should not be confused with the MAC address assigned to each network card. The purpose of a network address is...

Ngày tải lên: 11/12/2013, 03:15

... 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 network ... slot would be 0 and the second 1. If the first 16 Chapter 4: Preparing Network Connections CertPrs8 / CCNA Cisco Certified Network Associate Study Guide / Deal / 222934-9 / Chapter 4 The nomenclature of...

Ngày tải lên: 11/12/2013, 13:15

... C. Increase the Network Monitor buffer size setting. D. Decrease the Network Monitor buffer size setting. E. Increase the Network Monitor frame size setting. F. Decrease the Network Monitor ... B. Run Network Monitor in dedicated capture mode. C. Configure a Network Monitor capture filter. D. Increase the buffer size in Network Monitor. Answer: B Dedicated capture mode, Network ... protocol. Network Monitor also makes it possible for a user to design a capture trigger to initiate a specified action when Network Monitor detects a particular set of conditions on the network. ...

Ngày tải lên: 11/12/2013, 14:15

... 802.1X The 802.1X standard defines port-based network access control to provide authenticated network access for Ethernet networks. This port-based network access control uses the physical characteristics ... visible network is now a more preferred network according to the policy’s list of preferred networks). In all other cases, the association does not change. • If a GPO that contains wireless network ... for clients (for example, whether a network key is provided for wireless network adapters). 9. To specify that the network is a computer-to-computer (ad hoc) network, click to select the This...

Ngày tải lên: 11/12/2013, 14:15

... wireless networks, cryptographic keys need to be used to individually choose which devices should be connected to a network. Devices allowed onto a network would be given the key to use that network. ... coverage networking, as with wireless or power-line networking, might also restrict the number of networks the homeowner could define. With individual wires, the homeowner can set up separate networks ... only a wired network and have no other security. If such a home network uses wireless networking, one can make sure that link encryption is used to enforce the policy that only home network devices...

Ngày tải lên: 11/12/2013, 15:15

... global coordinate system, while topological maps represent the world as a network of nodes and arcs. The nodes of the network are distinctive places in the environment and the arcs represent paths ... sensors used in mobile robot positioning, while Part II discusses the methods and techniques that use these sensors. The report is organized in 9 chapters. Part I: Sensors for Mobile Robot Positioning A Drive ... in Japanese automobiles since 1987 [Reunert, 1993]. Many technological improvements since Macek’s first prototype make the optical rate gyro a potentially significant influence mobile robot navigation...

Ngày tải lên: 12/12/2013, 21:16

... neural networks in manufacturing: A state-of-the- art survey, Int. J. Prod. Res., 33(3), 705-728. ©2001 CRC Press LLC The application of neural networks for GT/CM has undergone a similar evolution. ... computational performance and application domain for various neural network architectures. 4.2 Artificial Neural Networks Artificial neural networks have emerged in recent years as a major means for ... elements of a neural network are the processing units (neurons), which are the nodes in the network, and their connections and connection weights. The operation of a neural network is specified...

Ngày tải lên: 17/12/2013, 06:15

... thấy được nhau ta phải tạo các VPN Network Connection Bạn vào Network Connections của từng VPN Server chọn New Connection Winzard Chọn tiếp Connect to the network at my workplace 12 of 34 Nhập ... Public của mạng kia trong bài chính là 192.168.1.1 Trong cửa sổ Network Connections của PC01 xuất hiện thêm icon VPN với giao thức PPTP 14 of 34 Kết quả cho thấy màn hình ta đang làm việc là màn ... Server Tiếp tục cấu hình VPN cho máy Client Bạn vào Network Connections của máy Client chọn New Connection Winzard Chọn tiếp Connect to the network at my workplace 31 of 34 Nhập IP Public của...

Ngày tải lên: 17/12/2013, 13:15

... can find a picture of the network diagram in the Introduction of this book. You’ll perform these steps using Boson’s NetSim™ simulator. You can find a picture of the network diagram for the simulator ... Privilege EXEC mode to disable all debug processing. 48 Chapter 6: Managing Your Network Device CertPrs8 / CCNA Cisco Certified Network Associate Study Guide / Deal / 222934-9 / Chapter 6 D:\omh\CertPrs8\934-9\ch06.vp Monday, ... register that are used to influence the bootup 6 Chapter 6: Managing Your Network Device CertPrs8 / CCNA Cisco Certified Network Associate Study Guide / Deal / 222934-9 / Chapter 6 When a router...

Ngày tải lên: 21/12/2013, 18:15

... will be able to:  Explain why network attacks occur.  Describe who attacks networks.  Describe common types of network vulnerabilities.  Describe how network attacks take place.  ... make them the most dangerous attackers to a network. Key points Module 3: Identifying Threats to Network Security 7 Difficulties in Defending Networks ***************************** ILLEGAL ... defending networks, it is essential that security personnel are organized, trained, prepared, and vigilant. Key points Module 3: Identifying Threats to Network Security 3 Why Network Attacks...

Ngày tải lên: 21/12/2013, 19:15

Ngày tải lên: 23/12/2013, 04:18

... <ID> is the network adapter identifier. Incorrect Answers: A: Network numbers values denote a network segment. There is no specific network segment for NetWare 3.11 servers. B: Network numbers ... numbers values denote a network segment. There is no specific network segment for NetWare 4.1 servers. C: Network numbers values denote a network segment. There is no specific network segment for ... running network monitor along with the user name, MAC address, network monitor state (running, capturing, or transmitting), and network monitor version. In order to detect installations of Network...

Ngày tải lên: 17/01/2014, 06:20

Ngày tải lên: 17/01/2014, 09:20

Ngày tải lên: 17/01/2014, 19:20

Ngày tải lên: 18/01/2014, 05:20