13- Review - BIT 200 Personal Productivity Review Session...

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Review Session BIT 200 Personal Productivity
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Agenda § Overview and Logistics § Infrastructure § IS Concepts: Basics and Management § Excel and Spreadsheet Modeling § Access, Databases, and Database Design § Web Technologies (Web 2.0, Search, Delicious, Wikis) § Tech Topics from Wiki Reports
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Overview and Logistics
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Overview § Source Materials § Excel and Access Mechanics? § Questions Number Type § Focus
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BIT 200 Final Exam Rooms Thursday, December 15 Final Exam (4:00-6:00 PM) Section Instructor Room Proctor 1 Walls R1210 TBD 2 Walls R1220 TBD 3 Peterson R1230 Peterson 4 Walls R1240 Emily Carroll 5 Peterson R2210 Amy Kaminski 6 Walls R2220 Kush Patel Extra Time Exam (4:00 PM start) R2230 Walls/Khalil Conflict Exam (1:30-3:30 PM) R2240 Emily Carroll
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Course Evaluations § Open now through Wednesday, Dec. 14th at midnight § Online at: http://www.bus.umich.edu/CourseEvaluations/submit / § Please do it!
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Infrastructure
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LAN Networking Hardware § Network interface cards (NIC’s) Handle communication between computers and other networking hardware § Hubs and repeaters Electrically connect devices on a network Same function as a wire, but branching Unintelligent or “passive” devices § Switches and bridges Link segments of a LAN Control network traffic, “active” devices
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LAN Protocol: Ethernet 2/2 § How CSMA/CD works NIC checks to see if media is idle If so, NIC transmits frame and listens for collision If NIC detects collision with frame of another NIC, it waits a random amount of time and retransmits frame § Good with lower traffic volume § Reduces network overhead and increases efficiency § Availability of bandwidth is uncertain
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Circuit Switching § Used for Phone calls Leased lines for data communication § Characteristics Continuous transmission Dedicated circuit The switch § Implications Can be monitored Can determine length of transmission Switch
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This note was uploaded on 01/04/2012 for the course BIT 200 taught by Professor Moore during the Fall '08 term at University of Michigan.

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13- Review - BIT 200 Personal Productivity Review Session...

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