A LAN‚ or local area network‚ is a group of computers ranging from small to large within a single office or building. Security and access control has to be robust to secure data‚ applications‚ and confidential records. Unauthorized access to the network is a massive security risk for the infrastructure. One way to reduce the risk of access is to implement access doors with key cards to only allow authorized personnel. So if there was a breach in security its only limited to select personnel. The
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Version 11 Introduction to UNIX® Columbia Campus 01/14/2014 – 02/11/2014 Copyright © 2012‚ 2011‚ 2010‚ 2009‚ 2008‚ 2006‚ 2005‚ 2004‚ 2001‚ 2000 by University of Phoenix. All rights reserved. Course Description This course is a survey of the UNIX® operations. The student will gain an understanding of the internal operations of the UNIX® system‚ which enables the user to make efficient use of files‚ file systems‚ and processes. Commands for efficient management of UNIX® system files‚ file systems
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UNIX Shell Scripting X417.39A Instructor: Eric Theis Software Engineer‚ Jet Propulsion Laboratory‚ Pasadena‚ CA. eric_theis@yahoo.com (preferred. I usually respond within 24 hours to email.) 310 825 4100 (UNEX School of Computers and Information Systems Program Office) Scope: UNIX System V Release 4 (aka SVR4) Bourne shell‚ C shell‚ Korn shell‚ bash. 99% of what we will cover applies of all modern flavors of UNIX. We will be covering UNIX from a user perspective‚ not a programmer’s
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Running head: Protection Scheme in UNIX® Richard Cooper POS/355 - INTRODUCTION TO OPERATING SYSTEMS 5/21/15 Instructor: ANTHONY ISOM Protection Scheme in UNIX® As there is a requirement to support 5‚000 users within an organization‚ there are certain ways in which access to a particular file can allow access to 4‚990 users in total. Within UNIX‚ file access is maintained through the file system and structure that is maintained below the single root folder‚ ‘/ ’. By viewing the contents of a file
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• Abstract : In this project we are attempting to use our experience in more ergonomics in the purpose of making our study target a better place from the ergonomically point of view. We have chosen to visit a pharmacy which is our study target to apply our skills in ergonomics. Our pharmacy is al Hajry pharmacy which is located in al Mangaf city in al Ahmadi. During our visit to the pharmacy we noticed many errors in workstation design and the manual handling. Those errors will increase
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Software Design Document Version 1.0 September 13‚ 2012 Reservations System Patsy Pearson UMUC CMIS 330 Software Engineering Principles & Techniques Table of Contents Table of Contents ii Table of Figures ii 1.0. Introduction 1 1.1. Purpose 1 1.2. Scope 1 1.3. Glossary 1 2.0. References 2 3.0. Decomposition descripition 2 3.1. Modules decomposition 2 3.1.1 Modules description 3 3.2. Data decomposition 4 4.0. Dependency description 4 5.0. Interface
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Tyler Rankin Linux Security 12/14/14 Lab 1 Assessment 1. During the install‚ the option to sync with a NTP (Network Time Protocol) server was checked. From a security perspective‚ why is it important for a system to keep accurate time? a. The most interesting importance of NTP would be the auto key system‚ if your system doesn’t keep correct time a attacker who needs to change time so that a replay attack can happen could be very damaging‚ that is why today’s version of NTP shields against this
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INDIA RILEY NT1430 LINUX DEC 9 2014 Nt1430 Linux Networking (Unit 1 Linux Server Installation and Configuration) 1. What are multiuser systems and why are they successful? Multiuser operating systems allow the multiple users to access the resources of single systems at a time or at different time. It allows many users to take advantage of the computer’s resources simultaneously. Some permit 100’s to 1000 users to take advantage of the computer’s resources simultaneously. They are successful because
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Doha Ghanayem Ms. Raphaila English 305 18-2-2013 My Cheesecake It takes a bit of hubris to describe a recipe as “perfect”‚ especially for a recipe such as cheesecake‚ for which so many have their own personal favorite. Cheesecake is a dessert consisting of a crust or base made from biscuits‚ topping made of soft‚ fresh cheese and it’s usually flavored with fruit yummy sauce. I always think of my friend when I make or eat a cheese cake‚ her life is just like the special yummy cheese
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Justin Prater Chapter 6A 3‚ 4‚ 9‚ and 14 3) a. b. Cycle time = production time per day/required output per day = [(8 hour/day)(3600 seconds/hour)]/240 units per day = 120 seconds per unit c. Work station | Task | Task time | Idle time | I | AD | 6050 | 10 | II | BC | 8020 | 20 | III | EF | 9030 | 0 | IV | GH | 3060 | 30 | d. Efficiency = Task time / [# stations X avg. cycle time) = = .875 or 87.5% 4) a. A B F C D E G 30 35 15 65 H 30 35 40
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