TAILIEUCHUNG - Home Networking Bible 2nd phần 2

Dưới đây là một ví dụ về sự thay đổi này có nghĩa là gì. Khi tôi là với các công ty bảo hiểm và khách hàng nói với tôi cô ấy đã có $ cô muốn giữ tiền mặt bởi vì nó cho cô gian bảo mật, suy nghĩ đầu tiên của tôi là: Những gì tôi có thể bán cô cho rằng lớn trăm rằng sẽ làm cho hoa hồng? Khi tôi bắt đầu thu phí để quản lý | Chapter 3 Understanding Workgroup Networking 47 On the other hand when you back up your files to your spouse s computer you probably will not need to access the files at all. Generally you need to access a backup only if something happens to your original files corruption disk failure and the like. The process of backing up however takes longer than just saving one file to another computer. Also because you should back up your files frequently you will need to access your spouse s computer every time you back up. For more information about performing backups see Chapter 21. You must be sure to arrange for backups in an office setting. You may want to include two Busmess sets of backups using different computers or even mass storage devices such as a tape Tip drive. You have to weigh the inconvenience and expense of backing up against the inconvenience and expense of re-creating your accounting payroll and customer information. Disk space You need to consider each computer s hard disk space before deciding which computer to use for file storage and backups. A computer with only 2 to 5GB of disk space cannot reasonably store many graphics files or music files for example. However a 2 to 5GB drive could comfortably store word processing and spreadsheet documents in addition to several applications. Most new computers come with much larger hard drives now. It s not unusual to see drives that offer 40 60 80 or more gigabytes of space. Depending on your computer s hard disk space you might want to divide the file storage duties. You could back up all files to one computer or back up your files to your spouse s machine your spouse s files to your son s machine and your son s files to your machine. Plan ahead depending on the hard disk sizes of your computers. Computer power and memory Consider too the power and memory of each computer on the network. A very slow machine such as a 300 MHz might not be the appropriate choice for containing files that need to be accessed .

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