User protocols

Xem 1-20 trên 219 kết quả User protocols
  • Trong các bài trước chúng ta đã biết cách tạo User Profile và check mail từ Exchange Server với tùy chọn này nghĩa là bạn đang check mail bằng giao thức MAPI mà chỉ có khi cài Exchange mới có thể vận hành được. Bằng chứng là ta không thể check mail được từ Exchange bằng các giao thức như IMAP, POP3, HTTP... vì mặc định sau khi cài đặt Exchange các giao thức này đã bị Disable. Vậy điểm khác biệt của các giao thức này là như thế nào?: - Với giao thức MAPI khi User check mail...

    pdf19p thanhtung_hk 05-11-2010 119 59   Download

  • User Datagram Protocol (UDP) UDP is the polar opposite of TCP. Whereas TCP is connection oriented, reliable, and relatively complex, UDP is a connectionless, unreliable

    pdf3p chutieuchuathieulam 23-07-2010 128 53   Download

  • This guide is written for the person who will use Modicon Modbus protocols and messages for communication in Modicon programmable controller applications.It describes how messages are constructed, and how transactions take place using Modbus protocol. This guide should be used in conjunction with Modicon user guides for the types of networks and programmable controllers present in the application. Familiarity with your network layout, and with your control application, is assumed.

    pdf121p hoang1 31-10-2009 173 39   Download

  • Wireless Sensor Networks hold the promise of delivering a smart communication paradigm which enables setting up an intelligent network capable of handling applications that evolve from user requirements. With the recent technological advances of wireless sensor network, it is becoming an integral part of our lives. However, due to the nature of wireless sensor networks, researchers face new challenges related to the design of algorithms and protocols.

    pdf320p greengrass304 18-09-2012 60 20   Download

  • Mobile telecommunications emerged as a technological marvel allowing for access to personal and other services, devices, computation and communication, in any place and at any time through effortless plug and play. This brilliant idea became possible as the result of new technologies developed in the areas of computers and communications that were made available and accessible to the user.

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  • Topology A Cisco 1841 router has the following interfaces: Two Fast Ethernet interfaces: FastEthernet 0/0 and FastEthernet 0/1 Two serial interfaces: Serial 0/0/0 and Serial0/0/1 l The interfaces on your routers can vary. Packet Tracer Activities are referenced throughout these chapters for additional practices.Unlike most user PCs, a router will have multiple network interfaces. l These interfaces can include a variety of connectors.

    pdf110p vanmanh1008 21-05-2013 30 3   Download

  • When you finish this chapter, you should: Be able to explain process-to-process communication, know the format of a UDP user datagram, be able to calculate a UDP checksum, understand the operation of UDP, know when it is appropriate to use UDP, understand the modules in a UDP package.

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  • The main contents of this chapter include all of the following: User agent (UA), addresses, delayed delivery, aliases, mail transfer agent (MTA), commands and responses, mail transfer phases, mime, mail delivery, mail access protocols.

    ppt35p tangtuy09 26-04-2016 7 1   Download

  • The first three books in my Open Source Security series covered Nessus, Snort, and Ethereal.The authors and I worked hard to make these books useful to complete beginners, enterprise-scaled users, and even programmers who were looking to enhance these tools. Giving programmers the capability to add components to each tool was one focus of several. For example, I dissected a preprocessor in the Snort 2.0 and 2.1 books and explained how you might build another.To do that, I had to learn Snort’s inner workings by reading much of the code.

    pdf472p thutrang 17-08-2009 419 114   Download

  • This book is intended for beginning through intermediate users and covers all the protocols involved in TCP/IP. Each protocol is examined in a fair level of detail to show how it works and how it interacts with the other protocols in the TCP/IP family. Along the way, this book shows you the basic tools required to install, configure, and maintain a TCP/IP network. It also shows you most of the user utilities that are available.

    pdf487p trannhu 08-08-2009 194 104   Download

  • In this chapter, we will introduce you to the tools you need in order to begin using MATLAB effectively. These include the following: some relevant information on computer platforms and software; installation protocols; how to launch MATLAB, enter commands and use online help; a roster of MATLAB’s various windows; and finally, how to exit the program. We know you are anxious to get started using MATLAB, so we will keep this chapter brief. After you complete it, you can go immediately to Chapter 2 to find concrete and simple instructions for using MATLAB to do mathematics.

    pdf431p tailieuvip13 19-07-2012 146 109   Download

  • This paper first discusses the key issues that inhibit Voice over IP (VOIP) to be popular with the users. Then I discuss the protocols and standards that exist today and are required to make the VOIP products from different vendors to interoperate. The main focus is on H.323 and SIP (Session Initiation Protocol), which are the signaling protocols. We also discuss some hardware standards for internet telephony.

    pdf20p quocminh 02-03-2009 140 65   Download

  • Lớp Giao vận trong mô hình tham chiếu DOD (xem Internet thật là đơn giản số 5/2003) cung cấp khả năng truyền thông từ một chương trình ứng dụng này tới một chương trình ứng dụng khác. Trong mục này, chúng ta sẽ nghiên cứu về 2 giao thức ở Lớp giao vận (Transport Layer): Giao thức TCP (Transport Control Protocol) và Giao thức UDP (User Datagram Protocol). Tất cả các gói tin được trao đổi giữa các máy tính trên mạng đều nhờ vào một trong 2 giao thức đó....

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  • Your corporate network equipment currently includes a 4006 Core switch with an L3 module for VLAN routing and a Cisco 2600 external access router. Connected to your corporate network via a 128k leased line is your branch network that includes a 2600 Cisco WAN router and a 2600XL switch for local access. Your corporate network is segmented into four functional VLANs for better network management. VLANs include “Accounting”, “Marketing” and “Engineering” for the users and “default” used for the native VLAN network management.

    pdf1p thutrang 28-08-2009 161 49   Download

  • Your network switching equipment currently includes a 4006 Core switch, 2900XL access switch and a Cisco 2600 series external access router. Your network is segmented into four functional VLANs for better network management. VLANs include “Accounting”, “Marketing” and “Engineering” for the users and “default” used for the native VLAN network management. Inter- VLAN routing has been implemented using a Layer-3 routing switch module for the 4006 to allow individuals and servers on your Virtual LANs to exchange information.

    pdf1p thutrang 28-08-2009 149 35   Download

  • Provide network services to end user applications. Describe how the TCP/IP Application Layer protocols provide the services specified by the upper layers of the OSI model. Define how people use the Application Layer to communicate across the information network. Describe the function of well-known TCP/IP applications, such as the World Wide Web and email, and their related services (HTTP, DNS, SMB, DHCP, STMP/POP, and Telnet). Describe file-sharing processes that use peer-to-peer applications and the Gnutella protocol.

    pdf54p thangvu89 15-04-2010 158 29   Download

  • Application Layer Functionality and Protocols. In this chapter, you will learn to: Describe how the functions of the three upper OSI model layers provide network services to end user applications. Describe how the TCP/IP Application Layer protocols provide the services specified by the upper layers of the OSI model. Define how people use the Application Layer to communicate across the information network. Describe the function of well-known TCP/IP applications, such as the World Wide Web and email, and their related services (HTTP, DNS, SMB, DHCP, SMTP/POP, and Telnet)....

    pdf51p thanhtung_hk 03-11-2010 82 25   Download

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