described by Institute of Electrical and Electronics Engineers (IEEE) in 802.X standards [4].The first Bluetooth technology was described in 802.15 standards. which is based on 802.X.it had the primary aim to transfer data on layer 3 of the OSI-Model‚ where the Media Access Control (MAC Layer) could work with any of the two radio transmission layers and an infrared layer [6]. MAC Layer is a part of the security mechanism‚ enabling avoidance from collusions‚ during data transmission. Most
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Repeater: operates at physical layers of osi model. Digital signals or analog signals that carry digital data can only be transmitted over a limited distance. After a certain distance attenuation or noise endangers the integrity of that data. Repeaters reproduce and transmit the received digital data. This new signal is the exact duplicate of the original signals. Repeaters offer simple means to extend a network‚ increased traffic on the network is introduced. This increased network congestion may
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several continents and can provide remote communication. Wide area network is a kind of cross region data communication network using the equipment provided by telecommunications operators as the information transmission platform. Refering to the OSI reference model‚ WAN technologies are mainly located in the bottom three levels. respectively is the physical layer‚ data link layer and network layer (Groth & Skandler‚ 2009). There are three typical types of wide area network. The first one is Public transport
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2003 SUBJECT: Network Security Great Widget Company values the security and integrity of its data. In keeping with that policy the following information is provided to clarify the security level associated with each level of the OSI (Open System Interconnect) model. Please familiarize yourself with this information‚ we will discuss it in the next regular staff meeting scheduled for Monday‚ August 1‚ 2003. Physical Layer Security protection at this level includes physical media‚ access to
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Unit 4 Research Project: MAC Sublayer The Media Access Control (MAC) is one of the sublayers contained in the Data Link Layer (DLL) of the Open Systems Interconnection (OSI) model. The MAC layer provides addressing and channel access control mechanisms‚ and works to transmit data from one Network Interface Card (NIC) to another across a connected network. Carrier Sensed Multiple Access with Collision Detection (CSMA/CD) is the process used by non-switched Ethernet to detect a clear channel between
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FN["f rt-lt NATToNAL uNrvERsrrY College of Business‚ Hospitality and Tourism Studies Department of Computer Science & lnformation System CIN 545 - lntroduction to Networking Question/ Answer Booklet Final Examination: Trimester 3‚ Date& Time: 20Ll Total Marks: 100 Duration: 3 hours plus 10 minutes I nstructions Read the following instructions before writing Time Allowed: 3 hours and 10 minutes You are allowed ten minutes extra reading time during which you are not
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Acknowledgement ii Certificate iii Table of Content iv About the Company 1. Introduction to Networking Definition Requirement of Networking 2. Types of Network LAN (Local Area Network) WAN (Wide Area Network) 3. Network Models OSI Model 4. Cables Twisted Cable Coaxial Cable Fibre Optic 5. Networking Devices Network Interface Card Hub Switch Router 6. IP Addressing Introduction Private IP Masking Subnetting Example 7. LAN Solution
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networks‚ some small some large 11. What is designed to specifically manage computer peripheral devices Device driver 12. Why is the TCP/IP model divided into layers To make it easier to understand how networks work‚ write protocols for networks‚ and to create standards for networks 13. Why is the TCP/IP considered an "open" network model It is not owned by any specific organization and shares details of how it works with all 14. The function of a Routers in networking is to Move
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HTTP (Hypertext Transfer Protocol) IP (Internet Protocol) A core protocol in the TCP/IP suite that operates in the Network layer of the OSI model and provides information about how and where data should be delivered. It is the subprotocol that enables TCP/IP to internetwork A core protocol in the TCP/IP suite that belongs to the Network layer of the OSI model. It obtains the MAC (physical) address of a host‚ or node‚ and then creates a local database that maps the MAC address to the host’s IP (logical)
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This week we covered some additional information in regards to the data layer‚ more specifically the MAC layer‚ and went into the network layer of the OSI model. As part of that we discussed different routing protocols and systems. Describe any feedback you received or any specific interactions you had. Discuss how they were helpful. Describe your feelings and attitudes. What surprised me or caused me to wonder? The feedback on my week 2 assignment was good. While it identified that there were
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