of Group Telecom of Logical, in February 1997.Several definitions have been suggested for m-commerce. The Durlacher Mobile Commerce Report defines m-commerce as .any transaction with monetary value that is conducted via a mobile telecommunications network. This definition is fairly rigid, and makes a very clear-cut distinction between m-commerce applications and other mobile applications. The challenges to the emergence of m-commerce do not end with limited resources. The bandwidth currently available
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ZigBee network technology is used for low data rate Wireless Personal Area Networks that requires long battery life and is affordable. The ZigBee protocol refers to the entire network protocol stack. ZigBee applications run on top of ZigBee network, MAC and physical layers. A ZigBee network is capable of supporting up to 65,535 nodes. ZigBee network is used in many areas such as environmental monitoring systems, personal health care and consumer electronics. In ZigBee network the nodes can be mobile
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Network Consultant Scenarios Joshua Lillis IT/240 July 20th, 2014 Network Consultant Scenarios * What changes in equipment are required to bring this company’s network up to date to solve the shared-bandwidth problem? Since the office has 10 workstations connected to a 10 Mbps hub, each computer average bandwidth is 1 Mbps. Since the LAN is relatively small, you can change it to a 100 MB switch. Even if their NICs are only 10 MB, they can upgrade their NICs as need be. Since seem to
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Information Systems Telecommunications and Networks Ghana Telecom University College Lecturer - Lempogo Forgor 2013 Objectives By the end of this unit, students should be able to: Demonstrate understanding of computer networking, including the concepts and types as well as hardware and software Compare and contrast internet, extranet and intranet Demonstrate practical knowledge of using the internet Discuss the business value of computer networks INF 162: Introduction to Information
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Computer network components consist of 2 parts - the items that are to be connected and the equipment that connects them The equipment to be networked are those components that you want to be able to communicate with each other or hardware that you want to share A network is defined as a group of interconnected computers but it really is more than that. The connected computers communicate with each other and share resources on the network. Common resources include printers, disk storage, databases
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Network Topologies First off network topologies are the arrangement of the various elements (links, nodes, etc.) of a computer or biological network. This helps with communication and network information processing. This is a major part of today’s technology and is used by big business as well as home and personal use. Hierarchical star topology is when all computers are connected to a single central located point. The single point is usually a hub of servers and switches that are located in
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1 Describe computer network types and standards. 1.1 The description distinguishes types of networks. Homogeneous Networks Homogeneous means similar, it is easy to administer and protect the homogeneous network configuration in networking. In a homogeneous network configuration, the similar operating environment is used to run the all systems. Same protocols are used to run the same operating environment and with the similar security attributes. A homogeneous network used a NIS+ master
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Mesh Topology A mesh network is a local area network that employs one of two connection arrangements. There are two type of Mesh topology; full mesh topology or partial mesh topology. In the full mesh topology, each workstation or other device is connected directly to one another. In the partial mesh topology, some nodes are connected to all the others, but some of the nodes are connected only to those other nodes with which they exchange the most data. A mesh network is reliable and offers redundancy
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2nd slide Defintion : Computer Network means a collection of interconnected Computer or devices Different types of networks – Major LAN ,WAN, MAN , also can, ban,pan 3rd slide- application- staright forward 4TH SLIDE TOPOLOGY DEFINITION- A TOPOLOGY REPRESENT THE RELATIONSHIP OF ALL THE LINKS & DEVICES. MESH TOPOLOGY- EVERY DEVICE IS CONNECTED TO EVERY OTHER DEVICE VIA DEDICATED POINT TO POINT LINK STAR TOPLOGY- STAR TOPOLGY CONSISTS OF A HUB.ALL THE DEVICES ARE CONNECTED TO THIS HUB
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There are many different types of network topologies, but the three most common types are LANs, MANs, and WANs. The LAN topology is probably the most common of the three. The MAN and WAN topologies are used but not nearly as much as the LAN topology is, although the WAN is starting to be used more and more because of the growing population of networks. The LAN (Local Area Network) is used so much because it is used in small areas. Small businesses use LANs a great deal because they are small and
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