Chapter 11 - Information Technology in Theory By Pelin...

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Information Technology in Theory Chapter 11 Local Area Networks Information Technology in Theory By Pelin Aksoy and Laura DeNardis
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Information Technology in Theory 2 Objectives Gain familiarity with the most popular types of local area networks (LANs), with a focus on Ethernet Understand LAN design characteristics, including topology, access mechanism, physical transmission media, and equipment
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Information Technology in Theory 3 Objectives Explain what a frame format is and what purpose it serves in LANs Define the functions of LAN operating systems Understand the technical architecture of Wi-Fi
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Information Technology in Theory 4 Network Categories Local area networks (LANs) Wide area networks (WANs) Personal area networks (PANs) Metropolitan area networks (MANs) Campus area networks (CANs) Storage area networks (SANs)
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Information Technology in Theory 5 Defining LANs LAN —a network that spans a confined geographical distance, such as a building or home WAN —a network which spans a larger geographical area, such as a city, nation, or the world at large.
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Information Technology in Theory 6 Resources Accessed via LANs
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Information Technology in Theory 7 LAN Design Characteristics Physical Topology Logical Topology Access Control and LAN Switching LAN Physical Media and Equipment LAN Operating Systems
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Information Technology in Theory 8 Physical Topology A LAN’s physical topology refers to how the multiple devices (often called network nodes ) are physically connected to each other. Star Ring Star-Wired Ring Bus
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Information Technology in Theory 9 Star Topology
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Information Technology in Theory 10 Ring Topology
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Information Technology in Theory 11 Star-Wired Ring Topology
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Information Technology in Theory 12 Bus Topology
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Information Technology in Theory 13 Logical Topology While the physical topology describes how network nodes are connected within the LAN, the logical topology dictates how information flows among the nodes. Common logical topologies for LANs Bus Ring Star
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14 Access Control and LAN Switching Access Control Mechanism A procedure that specifies and enforces rules for when each device may transmit or receive information over a network. Token Passing
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This note was uploaded on 01/26/2012 for the course IT 108, 103, taught by Professor Bruno during the Spring '11 term at George Mason.

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Chapter 11 - Information Technology in Theory By Pelin...

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