COMPUTER NETWORK ADMINISTRATOR A computer network (the "network") is the connection of at least two or more computers for the purpose of sharing data and resources. These resources can include printers‚ Internet access‚ file sharing‚ and electronic mail ("e-mail"). In today ’s technological environment‚ most companies and businesses have some kind of network used on a daily basis. Thus‚ it is imperative to day-to-day operations that networks run smoothly. Companies employ at least one person
Premium Computer network
“To study consumer preference for selecting mobile Service provider and to measure the effectiveness of sales promotion activity” A Study Conducted for Uninor Telecom CHAPTER-1 INTRODUCTION INTRODUCTION 1.1 Definition of the Project- The project is all about to study the buying behaviour of customer while selecting a GSM service provider and to identify the preferences of costumers. 1.2 Significance of the Project- The significance of the project is it helps to acquire and retain
Free Mobile phone GSM Mobile network operator
Career Choice: Network and Computer Systems Administrator Business and Writing for the IT Professional July 26‚ 2009 Abstract A network and systems administrator is responsible for network security‚ installing new applications‚ implementing software updates‚ monitoring the integrity of the system‚ developing management programs‚ and performing routine backups. As has been noted throughout my research‚ there has been a decline in technology majors throughout the past couple of years‚ thus
Premium Computer science High school Computer
1.1 Firewall in computer networks Firewall: A set of related programs‚ located at a network gateway server‚ which protects the resources of a private network from users from other networks using security policies. The Internet has made large amounts of information available to the average computer user at home‚ in business and in education. For many people‚ having access to this information is no longer just an advantage‚ it is essential. Yet connecting a private network to the Internet can
Premium IP address Network address translation Internet Protocol
CNT5106C Computer Networks‚ Summer 2010 Instructor: Prof. Ahmed Helmy Homework #1 On the Internet Architecture‚ Elementary Queuing Theory and Application Layer I. Internet and layered protocol architecture: Q1. (5 points) In the layered protocol architecture the transport layer functionality includes congestion control and error recovery (e.g.‚ retransmission). One suggested that this functionality should be done strictly at the end points (i.e.‚ at the hosts) without aid from the network. Do you
Premium OSI model Internet Protocol Suite
COMPUTER COMMUNICATION NETWORKS Objectives • • • • • What is telecommunication History of telecommunication Role of telecommunication in Organizations Interpersonal communication applications Computer networks What is telecommunication? “Transmission of data or audible/visible information by electrical/electronic means” e.g. telephone‚ telegraph‚ radio‚ television‚ computer networks (Internet) Basic elements 1. Transmitter : takes information and converts it to a signal 2. Transmission
Premium Telecommunication Telephone Radio
COMPUTER NETWORKS 4TH MARCH 2012 Examination Paper Answer ALL questions. Clearly cross out surplus answers. Time: 2 hours Any reference material brought into the examination room must be handed to the invigilator before the start of the examination. ANSWER ALL QUESTIONS Marks QUESTION 1 a) State FOUR (4) principles underpinning the Open Systems Interconnection (OSI) Reference Model. b) Describe the purpose of the physical layer of the OSI Reference Model. c) State THREE (3) elements
Premium OSI model Computer network Ethernet
UNIVERSITY OF COMPUTER & EMERGING SCIENCE Computer Network Lab ( CS-314) Lab Session 01 Lab Instructor: Shahbaz Siddiqui‚ Shoiab Raza Week 1 Network Command TASK: Use the appropriate networking commands to solve these networking problems. 1. Find the IP address of the computer you are currently using. Command: ________________________________________________________ IP address: ________________________________________________________ 2. Find the IP address of the computer you are currently
Premium IP address Domain Name System MAC address
COMMUNICATION AND COMPUTER NETWORK 4.1 INTRODUCTION Today computer is available in many offices and homes and therefore there is a need to share data and programs among various computers with the advancement of data communication facilities. The communication between computers has increased and it thus it has extended the power of computer beyond the computer room. Now a user sitting at one place can communicate computers of any remote sites through communication channel. The aim of this chapter
Premium Data transmission Computer network Modulation
Managed Care Delivery Systems Introduction: According to Terence Shea in an article published by HR Magazine (2005)‚ in the last fifty years‚ employers’ health cost have soared as coverage has expanded and medical care has been revolutionized. Since the early 1980s‚ there have been a number of governmental and corporate attempts to slow this dramatic rise in health care expenditures. Most health plans in the U.S. today involve some form of managed care. Nearly 90 percent of Americans
Premium Health care Health insurance Medicine