Communication Networks Sharam Hekmat PragSoft Corporation www.pragsoft.com Contents Contents Preface 1. Introduction 1.1. Network Components 1.2. Network Types 1.3. The OSI Model 1.3.1. The Physical Layer 1.3.2. The Data Link Layer 1.3.3. The Network Layer 1.3.4. The Transport Layer 1.3.5. The Session Layer 1.3.6. The Presentation Layer 1.3.7. The Application Layer 1.4. Protocol Notations 1.4.1. Service Primitives 1.4.2. Sequence Diagrams 1.4.3. State Transition Diagrams 1.5. Standards
Words: 60074 - Pages: 241
1. Assignment Topic Communication system and Technological advancement of Teletalk Company Bangladesh. 2 Premier University Department of Busin ess Admin istration Course name Management Information System Course Cod e CIS- 351 Prepa red fo r Mr. Rajib Datta Lecturer, Department of Business Administration Premier University Chittagong Prepared by ID Semester 0714111957 5th 0714111971 0714111954 0714111980 0714111964 0714111973 0714111955 5th 5th 5th 5th 5th 5th Name Md. Nasir Uddin
Words: 8140 - Pages: 33
[pic] Defense Security Service Electronic Communications Plan Sample Date: 02/01/2012 Company: |XYZ, Inc. | Address: |12345 West Broad Way, New York, NY. 54321 | Cage Code: |89PGK
Words: 19387 - Pages: 78
together through a physical infrastructure, that are able to communicate and exchange information because they agree to use software that observes the same set of rules, or protocol. WHAT IS THE INTERNET? • A network of networks • Based on TCP/IP (Transmission Control Protocol/Internet Protocol) • Global • A variety of services and tools A network of networks, or "internet," is a group of two or more networks that are: • Interconnected physically • Capable of communicating
Words: 48401 - Pages: 194
EC-Council Press | The Experts: EC-Council EC-Council’s mission is to address the need for well educated and certified information security and e-business practitioners. EC-Council is a global, member based organization comprised of hundreds of industry and subject matter experts all working together to set the standards and raise the bar in Information Security certification and education. EC-Council certifications are viewed as the essential certifications needed where standard configuration
Words: 61838 - Pages: 248
TELECOMMUNICATION SWITCHING AND NETWORKS TElECOMMUNICATION SWITCHING NffiWRKS AND THIS PAGE IS BLANK Copyright © 2006, 2005 New Age International (P) Ltd., Publishers Published by New Age International (P) Ltd., Publishers All rights reserved. No part of this ebook may be reproduced in any form, by photostat, microfilm, xerography, or any other means, or incorporated into any information retrieval system, electronic or mechanical, without the written permission of the publisher. All inquiries
Words: 115682 - Pages: 463
Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The six important business objectives of information technology are new products, services, and business models; customer and supplier intimacy; survival; competitive advantage; operational excellence; and: 1) _______ A) improved decision making. B) improved business practices. C) improved efficiency. D) improved flexibility
Words: 6583 - Pages: 27
Cisco Network Solutions for the Telco DCN: SONET/SDH OSI Environments This document is directed to competitive local exchange carriers (CLECs), incumbent local exchange carriers (ILECs), and Post, Telephone and Telegraphs (PTTs), collectively referred to as telcos (short for telephone companies). This document describes Cisco network solutions for transporting data between Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH) and the Operations Support System (OSS) in a telco
Words: 28935 - Pages: 116
BIT 200 FINAL STUDY GUIDE • What is the difference between data and information: o Data is a set of discrete, objective facts about events. In an organizational context, data is most usefully described as structured records of transactions. o Information is a message to change the way the receiver perceives something to have an impact on his or her judgment or behavior. • Ex. Your doctor tells you are on the verge of being obese. If you do not want to increase your risk of heart disease or
Words: 6356 - Pages: 26
foundation of the Intelligent Information Network, Cisco routers provide high availability, comprehensive security, integrated wireless, ease of management, and advanced Quality of Service (QoS) for today’s most demanding network services, including IP communications, video, customer relationship management, financial transactions, and other real-time applications. This guide shows how Cisco Services Aggregation Routers and Cisco Integrated Services Routers enable you to meet your current and future
Words: 32978 - Pages: 132
