'Bytes' diaporamas de présentation

Security Issues in 802.11 Wireless Networks

Security Issues in 802.11 Wireless Networks. Prabhaker Mateti Wright State University www.wright.edu/~pmateti. Talk Outline. Wireless LAN Overview Wireless Network Sniffing Wireless Spoofing Wireless Network Probing AP Weaknesses Denial of Service Man-in-the-Middle Attacks War Driving

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Computer Architecture Cache Memory

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High-Quality Parallel Depth-of-Field Using Line Samples

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Wireless IEEE 802.11

Wireless IEEE 802.11. WLAN Standards Performance Architecture Security. IEEE 802.11 Standard. IEEE 802.11b IEEE 802.11a IEEE 802.11g IEEE 802.11i. 802.11b. CCK (Complimentary Code Keying) DSSS (Direct Sequence Spread Spectrum) 11 Mbps / 2.4 GHz 4 Data Rates (1, 2, 5,5 11 Mbps)

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C++ Programming: From Problem Analysis to Program Design, Third Edition

C++ Programming: From Problem Analysis to Program Design, Third Edition. Chapter 3: Input/Output. Objectives. In this chapter you will: Learn what a stream is and examine input and output streams Explore how to read data from the standard input device

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MATLAB WORKSHOP

MATLAB WORKSHOP. FOR EE 327 MWF 8:00-850 AM August 26-30, 2002 . Dr. Ali A. Jalali. MATLAB WORKSHOP. WORKSHOP WebPages www.csee.wvu.edu/~jalali. MATLAB WORKSHOP. Lecture # 1 Monday August 26 Introduction MATLAB Demos MATLAB Basics. Lecture # 2 Wednesday August 28 MATLAB Basics

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CS 268: Optical Networks

CS 268: Optical Networks. Ion Stoica April 21, 2004. (Based in part on slides from Ed Bortolini (Network Photonics), Ling Huang (UC Berkeley), Shivkumar Kalyanaraman (RPI), Larry McAdams (Cisco)). SONET. SONET. SONET. SONET. DWDM. DWDM. Big Picture. Data Center. Metro. Long Haul.

687 views • 41 slides

A heap of Clusters

A heap of Clusters. A look into heaps vs. clustered tables. Ami Levin CTO, DBSophic. X. Agenda. Table Organization Data Pages Heaps B-Trees Clustered Indexes Non Clustered Indexes Retrieval Queries Modification Queries Maintenance Clustered table and heap considerations

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Numeric Data Types Outline

Numeric Data Types Outline. Declaring float Variables float Variable Size float Declaration Example Part 1 float Declaration Example Part 2 The Same Source Code without Comments Scientific Notation Floating Point Numbers float Approximation #1 float Approximation #2

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Digital Fundamentals Tenth Edition Floyd

Digital Fundamentals Tenth Edition Floyd. Chapter 10. Summary. Memory Units. Memories store data in units from one to eight bits. The most common unit is the byte , which by definition is 8 bits. .

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EET 2261

EET 2261. Microprocessors Professor Nick Reeder. Reminders. Please turn off cell phones. No food or soft drinks in the classroom. Stow water bottles at floor level. EET 2261 Unit 1 Introduction and HCS12 Overview. Read Almy , Sections 1 & 2. Homework #1 and Lab #1 due next week.

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Fundamentals of Computer Processing

Fundamentals of Computer Processing. Computer Sizes. Mainframes -- the first Supercomputers -- the largest Minicomputers -- the first effort to achieve reduced size Microcomputers -- made possible by microprocessor PC -- used by one person, or by a few people in the same area

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Introduction to Matlab

Introduction to Matlab. Sumitha Balasuriya http//www.dcs.gla.ac.uk/~sumitha/. Matlab. Stands for MATrix LABoratory Interpreted language Scientific programming environment Very good tool for the manipulation of matrices Great visualisation capabilities Loads of built-in functions

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Sundar Iyer

Winter 2012 Lecture 7 Packet Buffers. EE384 Packet Switch Architectures. Sundar Iyer. The Problem. All packet switches (e.g. Internet routers, Ethernet switch) require packet buffers for periods of congestion.

440 views • 23 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: IEEE 802.15.4 PHY Ca

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: IEEE 802.15.4 PHY Capabilities Date Submitted: May 2004 Source: Frederick Martin, Motorola, Inc., Paul Gorday, Motorola, Inc., Jon Adams, Freescale, Inc., Hans van Leeuwen, STS-wireless.

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Extensions to CRTP RTP Multiplexing using Tunnels

Extensions to CRTP RTP Multiplexing using Tunnels. Bruce Thompson Tmima Koren Cisco Systems Inc. RTP Multiplexing using Tunnels draft-wing-avt-tcrtp-00.txt Submitted in Oslo Broken into distinct parts: IP Tunneling, PPP Multiplexing, CRTP enhancements

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Computer Systems Overview

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Color on Computers

Color on Computers. Bits and Bytes. Bit: a single piece of yes/no or 0/1 data Two bits can code 4 items (00, 01, 10, 11) Three bits = 8 (000, 001, 010, 011, 100, 101, 110, 111) Zero is a perfectly good number N bits can code 2 n items 8 bits = 1 byte (code 256 items)

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By the Numbers

By the Numbers. In May NAHU received more than 825 press hits. So far in 2014, NAHU has received 4,200 press hits. In 2013, NAHU received more than 11,000 press hits. In 2012, NAHU received more than 7,500 press hits. In 2011, NAHU received more than 4,400 press hits .

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