Server operating systems 536 557 the server on the

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Server Operating Systems 5:36-5:57 The server, on the other hand, has to use a specialized operating system that is optimized just to perform server tasks. It will not be used to perform client-type tasks, such as word processing,creating spreadsheets, and so on. Server operating systems are designed to do one thing, and one thing only, and that is provide network resources. Advantages 5:58-6:45 One of the main benefits of using a client-server network is the fact that it is very scalable. It's relatively easy to expand the size of the network. You can add clients, you can add more servers, and it handles it really well. In addition, client-server networks are also much easier to support, because all of these services are centralized in a limited number of locations. For example, suppose you havea user that's having problems accessing their files. All you have to do is check the storage on the file server. Likewise, if you have users that are having trouble printing, all you have to do is check
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theprinter managed by the server. Data protection is also a lot easier in a client-server network, ascompared to a peer-to-peer network. The system administrator only needs to back up the shared data on the server. They don't have to go around to each individual client workstation and run a backup. Disadvantages 6:46-7:20 There are some drawbacks associated with a client-server network. For example, they are a lot more expensive to implement. Server hardware and server operating systems are much more expensive than those used by client workstations. In addition, this type of network takes a lot more planning.With a peer-to-peer network, we tend to just throw things together and make it work, but that will notwork in a client-server network. In a client-server network, you have to plan out which servers are going to host which services, and where they're going to be placed on the network before you start installing hardware and configuring operating systems. Summary 7:21-7:42 That's it for this lesson. In this lesson we discussed the differences between peer-to-peer networks and client-server networks. In a peer-to-peer network, the individual hosts both provide and consumenetwork services at the same time. While in a client-server network, certain hosts are designated as servers, and they provide network services. All of the other hosts are clients, and they consume thoseservices provided by the server. Networking Terms 0:00-0:47 If you think about it, a network is really like a neighborhood. In this example, we have a neighborhoodand it has a street running through it called Oak Street, and this street has three different houses.Each house on this street has a unique address to distinguish it from the other houses on the same street; that way, postal workers know where they can deliver mail. For example, the address of this house is 732 Oak Street. Notice that the address of this house has two different parts. First, we have the house number and then we also have the street name. Just like a house in a neighborhood, networks also use a two-part address to identify individual hosts on that network.
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