services * IP Phone – a digital phone * LAN media * Wireless media * LAN switch – most common device for interconnect LANs * Firewall – provides security to networks * Router – helps direct messages between networks * Wireless router * Cloud – summarize a group of networking devices * WAN media IP (Internet Protocal) & TCP (Transmission Control Protocol) – most common protocols * WWW – HTTP * E-mail – SMTP * Instant messae – XMPP * IP telephony –
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P1 of Unit 8 (eCommerce) looks at the technologies required for eCommerce. Technologies Used; Hardware Software Networking Hardware Web Server: A webserver is a Hardware device used to host an eCommerce website. The server supports the entire content of the website such as HTML files‚ Data bases and Image Files. Web Servers will run on operating systems such as Windows or Linux and will use web server software to manage access requests to the website. Webservers are similar to PC’s however
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Hack Attacks Revealed A Complete Reference with Custom Security Hacking Toolkit John Chirillo This netLibrary eBook does not include the ancillary media that was packaged with the original printed version of the book. Publisher: Robert Ipsen Editor: Carol A. Long Assistant Editor: Adaobi Obi Managing Editor: Micheline Frederick New Media Editor: Brian Snapp Text Design & Composition: Thomark Design Designations used by companies to distinguish their products are often claimed as trademarks
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Solworth Socket Programming in C/C++ sockets Contact Info Mani Radhakrishnan Office 4224 SEL email mradhakr @ cs . uic . edu Office Hours Tuesday 1 - 4 PM c Mani Radhakrishnan and Jon Solworth Socket Programming in C/C++ sockets TCP UDP Introduction Sockets are a protocol independent method of creating a connection between processes. Sockets can be either connection based or connectionless: Is a connection established before communication or does each packet describe the
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Video 4.10 Troubleshooting Topics Ipconfig Ping command UDP( User Datagram protocol) TCP (Transmission Protocol) Terms/ commands Tracert: Traces router hops to designation computer NS(Name Server) Lookup: Resolves host name with Ip address and configured by the contents of the operating system file resolv.config Netstat: Statistics for TCP and UDP Connection Ports ARP (Address Resolution Protocol):Creates cache of IP and MAC addresses Get MAC: looks up computers MAC address I have learned some new terms
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UNDERSTANDING THE OSI MODEL AND THE RELATIONSHIP WITH TCP/IP Table Of Contents Letter of Transmittal Abstract Table of Contents Written Presentation References Abstract The Open Systems Interconnection (OSI) model is a reference tool for understanding data communications between any two networked systems. It divides the communications processes into seven layers. Each layer both performs specific functions to support the layers above it and offers services to the layers below it. The
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The Elements of Communication * The first of these elements is the message source‚ or sender. Message sources are people‚ or electronic devices‚ that need to send a message to other individuals or devices. * The second element of communication is the destination‚ or receiver‚ of the message. The destination receives the message and interprets it. * A third element‚ called a channel‚ consists of the media that provides the pathway over which the message can travel from source to destination
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DRAFT COPY Hkkjr ljdkj GOVERNMENT OF INDIA jsy ea=ky; MINISTRY OF RAILWAYS (dk;Zky;hu iz;ksx gsrq) (For official use only) Different types of Networks in Indian Railways (FOIS/RAILNET) A MAINTENANCE HANDBOOK dSeVsd@‚l@izkSt@10&11@‚pch&usVodZ CAMTECH/S/PROJ/10-11/HB-NETWORK EkkpZ 2011 March 2011 Maharajpur‚ Gwalior DRAFT COPY Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 Appendix –A Appendix –B Introduction
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ACCEPTED FROM OPEN CALL SECURITY ISSUES IN HYBRID NETWORKS WITH A SATELLITE COMPONENT AYAN ROY-CHOWDHURY‚ JOHN S. BARAS‚ MICHAEL HADJITHEODOSIOU‚ AND SPYRO PAPADEMETRIOU‚ UNIVERSITY OF MARYLAND AT COLLEGE PARK ABSTRACT Satellites are expected to play an increasingly important role in providing broadband Internet services over long distances in an efficient manner. Most future networks will be hybrid in nature — having terrestrial nodes interconnected by satellite links. Security is an imporSSSL
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CCNA : ® Cisco® Certified Network Associate Fast Pass Third Edition Todd Lammle Wiley Publishing‚ Inc. CCNA : ® Cisco® Certified Network Associate Fast Pass Third Edition CCNA : ® Cisco® Certified Network Associate Fast Pass Third Edition Todd Lammle Wiley Publishing‚ Inc. Acquisitions Editor: Jeff Kellum Development Editor: Lisa Thibault Production Editor: Christine O’Connor Copy Editor: Foxxe Editorial Services Production Manager: Tim Tate Vice President
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