Introduction to Computer Networks Spring 2013 Chapter 1 Data Communications and Networks Overview and Protocol Layers Dr. Çağrı Güngör 1 Basic Info about the Course • Course Content (tentative): — Computer networks; network architectures; protocol layers; TCP/IP; principles of Internet; wireless networks; introduction to network management‚ etc.. • Course Objectives: — Understand widely known network protocols‚ communication architectures‚ and wireless networks‚ — Learn TCP/IP and protocol
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Models Network Management: Principles and Practice © Mani Subramanian 2000 1 Chapter 4 Case Histories • AT&T Network Management Centers • Network Operations Center • Network Control Centers • Monitors the network status • Self-healing • CNN World Headquarters • Performance Management • Fault Management • Monitoring alarms • Determines causes of failures (Artificial Intelligence) • Centralized troubleshooting of NIC (remotely) • Performance degradation due to NMS • Network may come down
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Virtual Private Network IS 311 Dr. Gray Tuesday 7pm November 19‚ 2002 By: Germaine Bacon Lizzi Beduya Jun Mitsuoka Betty Huang Juliet Polintan Table of Contents I. Introduction ……………………………………………….. 1 - 2 II. VPN Topology……………………………………………... 2 - 3 III. Types of VPNs……………………………………………... 3 - 5 IV. Components of VPNs………………………………………. 5 - 7 V. Productivity and Cost Benefit…………………………….... 7 - 9 VI. Quality of Service………………………………………….. 9 VII. The Future
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Firewall Quiz 1. A(n) hub____ is a standard network device for connecting multiple Ethernet devices together by using twisted-pair copper or fiber-optic cables in order to make them function as a single network segment. 2. A(n) Router____ is a network device that can forward packets across computer networks. 3. A(n) Proxy server____ is a computer or an application program that intercepts a user request from the internal secure network and then processes that request on behalf of the user. 4.
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Managing TCP/IP Networks: Techniques‚ Tools and Security Considerations. Gilbert Held Copyright & 2000 John Wiley & Sons Ltd Print ISBN 0-471-80003-1 Online ISBN 0-470-84156-7 MANAGING TCP/IP NETWORKS Managing TCP/IP Networks: Techniques‚ Tools and Security Considerations. Gilbert Held Copyright & 2000 John Wiley & Sons Ltd Print ISBN 0-471-80003-1 Online ISBN 0-470-84156-7 MANAGING TCP/IP NETWORKS: TECHNIQUES‚ TOOLS‚ AND SECURITY CONSIDERATIONS Gilbert Held 4 Degree Consulting Macon
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Telecommunications And Networks Learning Objectives Understand the concept of a network. Apply Metcalfe’s law in understanding the value of a network. Identify major developments and trends in the industries‚ technologies‚ and business applications of telecommunications and Internet technologies. Provide examples of the business value of Internet‚ intranet‚ and extranet applications. Learning Objectives Identify the basic components‚ functions‚ and types of telecommunications networks used in
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Abrar Class MBA-I (Evening) A ASSIGNMENT # 01. What are T1 and T3 Internet Connections and Who Uses Them? T1 and T3 lines are basically leased lines‚ which are used in the field of telecommunications. They are an example of reserved circuit communication that works through fiber optic cables and copper wiring. They are called ‘leased lines’ because they are leased by companies to form connections between offices for the purpose of networking offices in different locations. They are
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Chapter 2 Network Models Copyright © The McGraw-Hill Companies‚ Inc. Permission required for reproduction or display. Chapter 2: Outline 2.1 Protocol Layering 2.2 TCP/IP Protocol Suite 2.3 OSI Model 1.# 1 Chapter 2: Objective The first section introduces the concept of protocol layering using two scenarios. The section also discusses the two principles upon which the protocol layering is based. The first principle dictates that each layer needs to have two opposite tasks
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Group 7: The Mind-Body Connection Friday‚ November 30‚ 2012 Principles of Anthropology ANTH200 LF Instructor: Adrienne Kitchin Overview The mind – body connection can be seen as a point of balance between one’s mind and their body; it is the point at which the mind and the body are at equilibrium. "There should be a comprehensive approach for both mind and body. This reciprocal relationship maximizes health benefits‚ and has exponentially positive consequences
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CHAPTER 15 Wide-Area Wireless Networks (WANs) — GSM Evolution 15.1 Introduction Third-generation (3G) wireless systems [2‚3‚9] offer access to services anywhere from a single terminal; the old boundaries between telephony‚ information‚ and entertainment services are disappearing. Mobility is built into many of the services currently considered as fixed‚ especially in such areas as high speed access to the Internet‚ entertainment‚ information‚ and electronic commerce (e-commerce) services. The
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