data communication and networking notes free download

... Data Communication and Networking Dr –Ing Vo Que Son Email: sonvq@hcmut.edu.vn Telecomm Dept Faculty of EEE DCN-2013 HCMUT Content  Chapter 3: Data Link Layer Protocols ... transactions  Control field  4-bit data length (number of bytes in data field); valid values:  bit specifies standard or extended format; bit unused  Data field: to bytes  CRC field: 15-bit ... case can have all zero or all one in a message – no edges in data  Simplest solution is to limit data length to perhaps bits • SYNC andtechnique END arecommonly opposite values, guaranteeing edges

Ngày tải lên: 04/12/2016, 08:57

... Chương Network Layer Phần - Internetworking Tài liệu : Forouzan , Data Communication and Networking 19/09/2016 Nội dung Địa IPv4 Internetworking Giao thức Internet (IP) Địa IPv6 ... động tầng network : Routers 19/09/2016 Kết nối network 19/09/2016 Network layer Data Link layer Network layer Data Link layer 19/09/2016 10 Routing table classful addressing system Bảng định

Ngày tải lên: 21/07/2022, 15:45

... 2000 2:30 PM DATA COMMUNICATIONS AND NETWORKING Second Edition FM Page ii Wednesday, February 23, 2000 2:30 PM FM Page iii Wednesday, February 23, 2000 2:30 PM DATA COMMUNICATIONS AND NETWORKING ... WHY STUDY DATA COMMUNICATIONS DATA COMMUNICATION 1.3 NETWORKS Components Distributed Processing Network Criteria Applications 1.4 PROTOCOLS AND STANDARDS Protocols Standards 1.5 STANDARDS ORGANIZATIONS ... mechanisms underlying telecommunications and networking come from a variety of academic and professional backgrounds To be useful, a textbook on data communications and networking must be accessible to

Ngày tải lên: 24/10/2017, 13:15

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Ngày tải lên: 25/03/2019, 10:38

... Headers and trailers are control data added at the beginning and the end of each data unit at each layer of the sender and removed at the corresponding layers of the receiver They provide source and ... detection, etc The data link layer is responsible for a framing data bits b providing the physical addresses of the sender/receiver c data rate control d detection and correction of damaged and lost frames ... presentation layer b Establishing, managing, and terminating sessions: session layer c Ensuring reliable transmission of data: data link and transport layers d Log-in and log-out procedures: session layer

Ngày tải lên: 16/10/2021, 15:39

... Headers and trailers are control data added at the beginning and the end of each data unit at each layer of the sender and removed at the corresponding layers of the receiver They provide source and ... communicated, in what way and when This provides accurate and timely transfer of information between different devices on a network 13 Standards are needed to create and maintain an open and competitive ... nodes: data link layer 19 a Format and code conversion services: presentation layer b Establishing, managing, and terminating sessions: session layer c Ensuring reliable transmission of data: data

Ngày tải lên: 12/04/2023, 21:01

... DATA COMMUNICATION AND COMPUTER NETWORKS DATA COMMUNICATIONS Data communications are the exchange of data between two devices via some form of transmission medium such as a wire cable For data ... must be sent back and forth Commands and Responses SMTP uses commands and responses to transfer messages between an MTA client and an MTA server (see Figure 26.17) Commands: Commands are sent from ... for data transfer, the other for control information (commands and responses) Separation of commands and data transfer makes FTP more efficient The control connection uses very simple rules of communication

Ngày tải lên: 30/05/2018, 10:28

... becoming more and more complex, heterogeneous and temporal, and it becomes more and more challenging to manage such data In the past decades, various database models have been proposed by the database ... a flexible and natural way of representing online social networking data Graphs closely model the interconnected nature of this data, balancing the relative importance of data units and interrelationships ... new graph data model and graph databases suggests that graphs are a good representation for online social network services and that graph databases are sufficient to help meet the current and near

Ngày tải lên: 04/10/2015, 10:24

... Concise Notes on Data Structures and Algorithms Ruby Edition Christopher Fox Download free books at Christopher Fox Concise Notes on Data Structures and Algorithms Ruby Edition Download free eBooks ... Concise Notes on Data Structures and Algorithms Ruby Edition © 2012 Christopher Fox & bookboon.com ISBN 978-87-403-0273-8 Download free eBooks at bookboon.com Concise Notes on Data Structures and ... www.deloitte.ca/careers © Deloitte & Touche LLP and affiliated entities Download free eBooks at bookboon.com Click on the ad to read more Concise Notes on Data Structures and Algorithms Contents 5.3 A Container

Ngày tải lên: 28/11/2017, 10:27

... the definitions of network standards and protocols, message syntax, semantics, and order Classification: Concept 3) Standards govern A) semantics B) syntax C) both A and B D) neither A nor B Answer: ... header C) data field D) trailer Answer: C Diff: Question: 5b Objective: Discuss message syntax in general and in Ethernet frames, IP packets, TCP segments, UDP datagrams, and HTTP request and response ... B) data field C) both A and B D) neither A nor B Answer: A Diff: Question: 5c Objective: Discuss message syntax in general and in Ethernet frames, IP packets, TCP segments, UDP datagrams, and

Ngày tải lên: 02/03/2019, 09:42

... laws and regulations and therefore free for general use The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate ... scaling and to decrease energy consumption (Borkar and Chien 2011) Most data movement in current architectures occurs due to memory accesses and communication between the threads The communication ... wide of applications and hardware architectures Both thread and data mappings are handled in all mechanisms we evaluated 4.4.1.1 Source Code Changes We added a manual thread and data mapping to Ondes3D

Ngày tải lên: 04/03/2019, 16:43

... street-building efforts eased movement of goods and persons through the city and improved health standards by opening the center of Paris to more light and fresh air At the same time, the city’s physical ... recreational opportunities and unrestricted sunlight and fresh air Former royal hunting preserves at the western and eastern borders of the city, the Bois de Boulogne (the Boulogne Wood) and the Bois de ... to marry and establish families, and refugees from the former empire’s territories crowded the city In Vienna, as in Paris and many other cities, the government sought to address this and other

Ngày tải lên: 25/01/2022, 19:10

... Environment • Subject = Customer • Data Warehouse Biến thời gian • Time • Data • 01/97 Data for January • • 02/97 Data for February • • 03/97 Data for March • • Data • Warehouse Ổn Định • Là lưu ... Hồng Ánh Nội Dung • Kho liệu (Data warehouse) • Khai thác liệu (Data mining) – Giới thiệu – Giới thiệu – Qui trình khám phá tri thức – Định nghĩa – DW - Traditional Database – Luật kết hợp – Mục ... nghĩa Kho Dữ Liệu W.H.Inmon Subject Oriented Integrated Data Warehouse Non Volatile Time Variant Định nghĩa Kho Dữ Liệu (tt) • • Theo Pandora, Swinburn University : – Là phương thức cho việc

Ngày tải lên: 18/01/2013, 16:15

... description of key terms and concepts related to different areas, issues and trends in multimedia technology and networking. .. to multimedia technology and networking Professor ... New Zealand Ting, Wayne / The University of Auckland, New Zealand Todorova, Nelly / University of Canterbury, New Zealand Tong, Carrison KS / Pamela Youde Nethersole Eastern Hospital and Tseung ... Managing Editor: Amanda Appicello Managing Editor: Jennifer Neidig Copy Editors: Julie LeBlanc, Shanelle Ramelb, Sue VanderHook and Jennifer Young Typesetters: Diane Huskinson, Sara Reed and Larissa

Ngày tải lên: 13/12/2013, 01:15

... System.Data – Để truy cập xử lý CSDL, sử dụng namespace System.Data, System.Data.Common, System.Data.OleDb, System.Data.SqlClient, System.Data.SqlTypes – Các lớp System.Data: DataSet, DataTable, DataRow, ... data adapter – Tạo data set – Sử dụng phương thức Fill() data adapter Xây dựng cách thêm data table – Tạo DataSet – Tạo DataTable Khởi tạo data table cách thêm DataColumn Thêm dòng liệu vào data ... Add data table vào data set cách thêm vào thuộc tính Tables data set Data Access and Viewing with NET Editor: Đoàn Quang Minh Đoà 10 Working with DataSet – Example DataSet ds = new DataSet(); DataTable

Ngày tải lên: 13/12/2013, 09:16

... relational database design Trang 3 Objectives Before you build your tables, you design your database In this lesson, you examine the data modeling process and relational database concepts, and define ... foreign keys, and business rules to constraints Build and Document e Build the prototype system Write and execute the commands to create the tables and supporting objects for the database e Develop ... the database design, you want to eliminate the problems of data redundancy by normalizing the data model Modify the data model to support different functional requirements and alternate database

Ngày tải lên: 21/12/2013, 06:17

... of OLAP databases Give examples of common OLAP applications Explain the differences between relational data marts and OLAP cubes in terms of data storage, data content, data sources, and data retrieval ... multidimensional data structures called cubes Are data marts only composed of summary data? No Data marts can contain detailed data in addition to summarized data Using summarized data marts is ... to Data Warehousing and OLAP Raw Data vs Business Information Topic Objective To describe the differences and relationships between raw data and business information ! $ Lead-in ! Turning raw data

Ngày tải lên: 21/12/2013, 19:15

... hardware, and communication and networking professionals. The networking part mainly consists of designing efficient resource management methods and protocols to effect successful and reliable communication. ... PHYsical layer that receives data from the medium and passes it on to the data link layer as DL- PDU or data link layer protocol data unit. The data link layer strips off the data link header/trailer ... information before and during communication. Classification of these processing functions and networks makes it easier to keep track of all the communications issues and their study. Computer communications

Ngày tải lên: 22/12/2013, 20:17

... ■ DATA ACCESS AND NETWORKING 147 < ;data: DataGrid x:Name="grdData" Margin="15" AutoGenerateColumns="False"> < ;data: DataGrid.Columns> < ;data: DataGridTemplateColumn ... < ;data: DataGridTextColumn Header=" ;Notes& quot; Binding="{Binding Notes} " /> < /data: DataGrid.Columns> < /data: DataGrid> 11. Save the MainPage.xaml file and ... List<StartingHands> GetHands() { List<StartingHands> hands = new List<StartingHands>(); hands.Add( new StartingHands() { Nickname = "Big Slick", Notes = "Also...

Ngày tải lên: 05/10/2013, 03:20

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Ngày tải lên: 30/06/2013, 01:26