network packets and even save the traffic in pcap format. Latest Yersinia version (0.5.5.2) supports the following protocols: Spanning Tree Protocol (STP)‚ Cisco Discovery Protocol (CDP)‚ Dynamic Trunking Protocol (DTP)‚ Dynamic Host Configuration Protocol (DHCP)‚ Hot Standby Router Protocol (HSRP)‚ IEEE 802.1Q‚ Inter-Switch Link Protocol (ISL)‚ VLAN Trunking Protocol (VTP). Yersinia operates in one of three main modes: command line: can be used for performing ad-hoc attacks - this
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CNT5106C Computer Networks‚ Summer 2010 Instructor: Prof. Ahmed Helmy Homework #1 On the Internet Architecture‚ Elementary Queuing Theory and Application Layer I. Internet and layered protocol architecture: Q1. (5 points) In the layered protocol architecture the transport layer functionality includes congestion control and error recovery (e.g.‚ retransmission). One suggested that this functionality should be done strictly at the end points (i.e.‚ at the hosts) without aid from the network. Do you
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must include answers to the following: o On which layers of the OSI model do WAN protocols operate? o What are some of these protocols? o On which OSI layers do switches and routers operate? o If routers reside at more than one layer‚ what is the difference between the OSI layers? When one looks at the seven layers of the OSI model‚ one can determine that layer three is where the WAN protocols operate on. Layer three is known as the Network Layer. The Network Layer performs
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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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only hundreds of miles examples (cities‚ states‚ and countries) and data transmission speed from 64 Kbps to 10 Gpbs. Question 14. Explain how a message is transmitted from one computer to another using layers. Using the five layer Internet model - A message transmitted from one computer to another would start in the application layer where letters‚ numbers‚ and keystrokes of the message are converted into HTTP packet. The message would then be send through the transport layer‚ which
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will emphasize design and management of large-scale enterprise networks. Teaching Methodology: Mode of delivery would be primarily through lectures‚ assignments‚ presentations‚ practical. Course Contents: 1. Internetworking & Internet Protocols:: Internetworking Basics‚ Internetworking Model‚ Ethernet Networking‚ Network topologies‚ Ethernet Cabling‚ Wireless Networking‚ OSI Reference Model:- Application layer‚ Presentation layer‚ Session layer‚ Transport layer‚ Network layer‚ Data
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utilizes Fibre Channel interconnects. | A NAS typically makes Ethernet and TCP/IPconnections. | Identify and briefly describe each of TCP/IP’S five layer? The basic structure of communication networks is represented by the Transmission Control Protocol/Internet Protocol (TCP/IP) model. This model is structured in five layers. An end system‚ an intermediate network node‚ or each communicating user or program is equipped with devices to run all or some portions of these layers‚ depending on where the system
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designed t switch as as fast as possible. WANs and the OSI Model WAN operations focus primarily on Layer 1 and Layer 2. Physical Layer (OSI Layer 1) protocols describe how to provide electrical‚ mechanical‚ operational‚ and functional connections to the services of a communications service provider. Data Link Layer (OSI Layer 2) protocols define how data is encapsulated for transmission toward a remote location and the mechanism for transferring the resulting frames. Customer Premises Equipment
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Link Layer enables data to be transferred between network entities and might provide the means to detect and possibly correct errors that may occur in the Physical Layer. The hospital’s network is an Ethernet network. The Ethernet network uses a protocol called CSMA/CD which stands for Carrier Sense‚ Multiple Access with Collision Detection. The computers that use 1000Base T are networked with Cat. 6 cable. This cable allows for backward compatibility with the Cat. 5 and Cat. 3 cable standards but
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Object Access Protocol * SOAP is a communication protocol * SOAP is for communication between applications * SOAP is a format for sending messages * SOAP communicates via Internet * SOAP is platform independent * SOAP is language independent * SOAP is based on XML * SOAP is simple and extensible * SOAP allows you to get around firewalls * SOAP is a W3C recommendation SOAP‚ originally defined as Simple Object Access Protocol‚ is a protocol specification for
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