public switched telephone network ppt

Ngày tải lên: 18/06/2014, 17:20

Ngày tải lên: 05/09/2012, 16:01

... responsive to the market A successful fibre network requires a strong fibre cable management system. The management of the fibre cables has a direct impact on • Network reliability • Performance • Cost Fibre ... Performance • Cost Fibre cable management also directly affects • Network maintenance and operations • Ability to reconfigure and expand your network • Ability to restore service • Ability to implement ... proper cable management, your fibre network can deliver its full competitive advantage. As competition continues to intensify, the hallmarks of successful global networks are: • Flexibility • Reliability •...

Ngày tải lên: 10/12/2013, 17:15

... cables 1 - 4 CCNA 1: Networking Basics v 3.0 - Lab 5.1.13b Copyright  2003, Cisco Systems, Inc. Lab 5.1.13b Building a Switch-based Network Objective • Create a simple network with two ... the following: • Click on Start > Control Panel and then click the Network Connection icon. • Select the Local Area Network Connection and click on Change settings of this connection. See ... 4 - 4 CCNA 1: Networking Basics v 3.0 - Lab 5.1.13b Copyright  2003, Cisco Systems, Inc. Step 6 Verify that...

Ngày tải lên: 11/12/2013, 14:15

... 264 Windows NT Authentication 265 Other Network Traffic 266 SMTP (Port 25) 266 HTTP (Port 80) 266 Common Implementations 267 Network Associates Sniffer Pro 267 NT Network Monitor 268 TCPDump 269 dsniff ... (SSH) 279 Switching 281 Detection 281 Local Detection 281 Network Detection 282 DNS Lookups 282 Latency 282 Driver Bugs 282 AntiSniff 283 Network Monitor 283 Summary 283 Additional Resources 283 FAQs ... to Vendors 414 Reporting Security Problems to the Public 418 Publishing Exploit Code 420 Problems 421 Repercussions from Vendors 421 Risk to the Public 422 How to Secure Against Problem Reporting...

Ngày tải lên: 17/12/2013, 04:15

... chapter. Different class networks require different numbers of bits for the network or host portion, and each network class provides different numbers of hosts as well as networks.The Class A address ... range provides 126 networks and 16,777,216 hosts per network. The Class A address, or /8, scheme is best used in a network where a large number of hosts and a small number of networks are required.The www.syngress.com Figure ... how a packet traverses networks, consider Figure 1.6.The net- work address of Network A is 10.1.1.0 with a subnet mask of 255.255.255.240 (or 28 bits).The network address of Network B is 10.1.1.16...

Ngày tải lên: 17/12/2013, 10:15

... that work area. When the other end of the patch cord is plugged into the centre of a module on the network equipment field, it will disconnect that existing circuit and feed the signal via the patch cord ... . To revert back to the original jumpered configuration, simply remove the patch plug from the network equipment modules, then the work area module. This sequence ensures no signal voltages will ... location of the wires when terminating. When modules are used in a cross- connect arrangement, all network equipment system leads are terminated on the top row of the module. Also all horizontal...

Ngày tải lên: 20/12/2013, 22:15

... for the network. If the power fails, the network fails. If the network fails, customers look elsewhere for more reliable service. ADC, a company with many years of experience in powering networks, ... consideration in FTTX networks, is more cleanly managed. Powering the FTTX network In today’s FTTX architectures, fiber is being driven to the outer edges of the access network to deliver the bandwidth ... put the ball squarely in the competitor’s court. DC Power in the Evolving Network Bringing Reliability to Evolving Networks through DC Power WHITE PAPER ...

Ngày tải lên: 21/12/2013, 08:17

... Website: www.bkacad.com Role of Internetwork Operating System (IOS) • Basic routing and switching functions • Reliable and secure access to networked resources • Network scalability • Using Cisco ... www.bkacad.com Configure Router Interfaces • Identify the role of a router in a network. Học viện mạng Bách khoa - Website: www.bkacad.com Role of Internetwork Operating System (IOS) • Identify the relationship between ... View the output to verify that it was not corrupted. Chapter 11 - Configuring and Testing Your Network CCNA Exploration 4.0CCNA Exploration 4.0 Manage configuration file • Trace the steps used...

Ngày tải lên: 22/12/2013, 13:17

... chất lượng, thuận tiện và khả năng của một sản phẩm hay một dịch vụ? a. Quan hệ giao tế nhân sự (Public Relations) b. Thơng tin tích hợp, thống nhất c. Tiếp thị (Marketing) d. Quan hệ khách hàng 116. ... chí (Press Secretary) b. Trợ lý hành chính (Administrative Aid) c. Nhân viên thơng tin cơng cộng (Public Information Officer) d. Tất cả những điều trên 130. Mối quan hệ giữa chính phủ và doanh nghiệp ... trọng tâm thu hút của các phương tiện truyền thơng c. Những người đang thực tập trong ngành PR (Public Relations) d. Những cá nhân được lựa chọn ngẫu nhiên 75.Trong những câu dưới đây, câu nào...

Ngày tải lên: 15/01/2014, 15:59

... HKBN Hong Kong Broadband Network Limited (HKBN), a leading Fixed Network Service Provider in Hong Kong, embarked on an aggressive plan to build one of the most advanced broadband IP networks in the region. ... Broadband Network Limited, a subsidiary of City Telecom (HK) Limited (CTI), is one of the leading Fixed Network Service Providers in Hong Kong. Its mission is to provide advanced Fixed Network ... offered effective support for its IDD and Data Network in the past. “What we especially liked was the fact that Cisco could offer us not only an integrated networking solution, they also showed an...

Ngày tải lên: 16/01/2014, 21:20

... Windows 2000 Network 36 Best Practices 47 Review 48 Module 2: Strategies for Administering a Windows 2000 Network 6 Module 2: Strategies for Administering a Windows 2000 Network ... classroom setup. 36 Module 2: Strategies for Administering a Windows 2000 Network Lab B: Administering a Windows 2000 Network Objectives After completing this lab, you will be able to: ... Present best practices for using Windows 2000 to administer a network. Module 2: Strategies for Administering a Windows 2000 Network 1 Overview ? Windows 2000 Administrative Strategies ?...

Ngày tải lên: 17/01/2014, 08:20

... Access lists • Route summarization • Incremental updates Making the Network Efficient Optimizing your network at all layers of an internetwork hierarchy is critical because it can reduce potential ... fixed intervals. 2-16 Building Scalable Cisco Networks Copyright © 1999, Cisco Systems, Inc. Written Exercise: Overview of Scalable Internetworks Network Problem Key Requirement Cisco IOS Feature(s) Connectivity ... manual entries. ■ Logical destination address, expressed either as a major network or as a subnetwork of a major network. In isolated cases, host addresses can be contained in the routing table. ■...

Ngày tải lên: 17/01/2014, 08:20

Ngày tải lên: 21/01/2014, 02:20

... reporting on your personal/desktop firewalls. It is one thing to manage a handful of perimeter network firewalls. When you start talking about implementing and needing to manage, maintain, configure...

Ngày tải lên: 21/01/2014, 02:20

Ngày tải lên: 22/01/2014, 20:20

Ngày tải lên: 24/01/2014, 10:20

Ngày tải lên: 24/01/2014, 11:20

Ngày tải lên: 25/01/2014, 08:20