Data Communication Presentation Data communication is the transmission of data from one location to another for direct use or further processing. Wireless communication offer organizations and users many benefits, such as portability, flexibility, increased productivity and lower instillation cost. Wireless technologies, in the simplest sense, enable one or more devices to communication with each other without physical connections without cabling. Half Duplex Duplex Simplex
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users, and each user must have different security rights. What kind of network would you install? How would the pieces and components of this network relate to each other? Define each component. .Answer #1: For this scenario I would use a server-client relationship. For this I would need a server to handle login and authentication, a second server for files (file server), I would probably have to create groups in which accounts are assigned and identified by. This would allow me to grant user profiles
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Chapter 2 - Database System Concepts and Architecture Data Models, Schemas and Instances A characteristic of the database approach is that it provides a level of data abstraction, by hiding details of data storage that are not needed by most users. A data model is a collection of concepts that can be used to describe the structure of a database. The model provides the necessary means to achieve the abstraction. The structure of a database is characterized by data types, relationships
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2/25/2016 Our client has requested a payroll management system for the entire organization. This organization has several branch offices spread across the U.S. that are connected through a Wide Area Network. The preceding information is an explanation of the architecture for the new payroll application. In addition to a diagram illustrating the new application, the types of technology for our architecture and the ethical concerns presented by it are also included. The client currently has a
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IT1115 Exercise 4 Virtual and Cloud Computing 1. There’s a huge difference between client/server and peer-to-peer networks. For instance, a peer-to-peer network has no central server. Each workstation on the network shares its files equally with the others. There’s no central storage or authentication of users. Conversely, there are separate dedicated servers and clients in a client/server network. Through client workstations, users can access most files, which are generally stored on the server
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Instructor: L. Meadors Peer to Peer vs. Client/server With peer-to-peer all of the PC’s on the same network act as equals sharing the same files and resources. Communications between these PC’s use a direct link with no central network controller, such as a client/server. Peer-to-peer network is the easiest to set up because it doesn’t require any software other than the operating system it came with. It also doesn’t require complex configuration of a client/server network. It is cost efficient and
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|Wireshark Lab: NAT v6.0 |[pic] | | | | |Supplement to Computer Networking: A Top-Down Approach, 6th ed., J.F. Kurose and | | |K.W. Ross |
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LEARNING OUTCOMES This lab sheets comprises of activities 1A until 1D By the end of this lab session, you must be able to: * Explain and identify common database management system * Describe the three-schema architecture of DBMS * Describe the client-server architecture of DBMS * Identify the categories of DBMS * Describe the benefits of Desktop database and Server database * Select an appropriate DBMS suitable for a given business requirements * Identify the contribution of database
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advantage is that it is much easier to set up than a client-server network and it also does not need specialist knowledge. The disadvantage is that ensuring viruses are not introduced to the network is the responsibility of each individual user. 8. Explain what is meant by a client-server network * A client-server network is a type of network that receives information from the host server. 9. Identify the advantages and disadvantages of a client-server network * Advantages include; all files
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and Windows. One client runs on Microsoft Windows platforms, and a Java client operates on Linux and on Mac OS X. Novell has delivered closer client-feature parity in GroupWise 8.[1] There are also GroupWise connectors for Microsoft Outlook and Novell Evolution. The basic features of this is a messaging and collaborative software platform from Novell that supports email, calendaring, personal information management, instant messaging, and document management. The platform consists of the client software
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