chapter12 - Chapter 12 Behind the Scenes Networking and...

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CIS1000DE Chapter 12 Behind the Scenes: Networking and Security
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CIS1000DE 2 Chapter Topics Advantages of business networks Client/server vs. peer-to-peer networks Classifications of client/server networks Client/server network components Types of servers Network topologies Types of transmission media Network software Network adapters Moving data in a client/server network Securing networks
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CIS1000DE 3 Networking Advantages Networks Increase productivity Enable the sharing of hardware resources Facilitate knowledge sharing Enable the sharing of software Facilitate Internet connectivity Enable enhanced communication •A network is a group of two or more computers (or nodes) that are configured to share information and resources such as printers, files, and databases. Essentially, a network enables computers and other devices to communicate with each other.
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CIS1000DE Large business networks provide the following advantages: They increase productivity. Networks allow workers to share data and peripherals with coworkers and communicate with them efficiently. They enable people to share peripherals such as printers. They enable knowledge sharing. They enable software sharing. If computers are networked, all employees can access the same copy of a program from the server. Although companies must still purchase a software license for each employee, with a network they avoid having to install the program on every desktop. Networks facilitate Internet connectivity. Through a network, large groups of employees can share one Internet connection, reducing Internet connectivity expenses. Networks enable enhanced communication. E-mail and text messaging are extremely powerful applications when deployed on a network.
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CIS1000DE 5 Client/Server Networks Server-based network Clients and servers Data flows efficiently Servers respond to requests from clients Servers perform specific tasks Scalable Centralized
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CIS1000DE To review, a server is a computer that both stores and shares resources on a network, whereas a client is a computer that requests those resources. A client/server network contains servers as well as client computers. The inclusion of servers is what differentiates a client/server network from a typical peer-to-peer network. The main advantage of a client/server relationship is that it makes data flow more efficiently than in peer-to-peer networks. Servers can respond to requests from a large number of clients at the same time. Also, servers are configured to perform specific tasks (such as handling database requests) efficiently. Client/server networks are also scalable networks, meaning additional users can be added easily without affecting the performance of the other network nodes.
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This note was uploaded on 09/23/2010 for the course CS 001 taught by Professor Jix during the Spring '10 term at Riverside Community College.

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chapter12 - Chapter 12 Behind the Scenes Networking and...

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