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Understanding Networking: Accessing Resources and Common Practices

This guide provides a comprehensive overview of networking fundamentals, focusing on accessing resources on a network. Students will learn key networking terms, how to log on and off a computer, browse the network, use the Universal Naming Convention (UNC), and map network drives. Additionally, this resource covers the differences between Local Area Networks (LAN) and Wide Area Networks (WAN), the client/server model, and peer-to-peer networking. Understand the significance of security, efficient resource sharing, and networking commands for effective networking practices.

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Understanding Networking: Accessing Resources and Common Practices

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  1. Operating Systems I Networking

  2. Primary Learning Objective Access Resources on a Network

  3. Specific Learning Objectives • Identify and define the terms associated with networking • Log on and off a computer • Browse the network • Use the Universal Naming Convention (UNC) • Map a network drive • Use CLI commands associated with accessing resources on a network • Connect to a network printer

  4. Network • Group of computers and other devices connected by some type of transmission media (cables, fiber, or wireless) • Networks enable users to share devices, software, and information (data); collectively called a network’sresources • Two basic types: • Local Area Network (LAN) • Wide Area Network (WAN)

  5. Networks • A LAN is a network of computers and other devices confined to relatively small space. The two subtypes are peer-to-peer and client/server • A WAN is a network that spans large distance and connects two or more LANs • The Internet is an example of a very intricate and extensive WAN that spans the globe

  6. Wide Area Network (WAN)

  7. Peer-to-Peer Network A small number of computers communicate on single segment of cable and share each other’s data and devices. Inexpensive and easy to setup.

  8. Client/Server • Special computers (known as servers) process data for and facilitate communication between other computers on the network (known as clients) • Networking model in which clients use central server to share applications, devices, and data • Clients request resources • Servers provide resources

  9. Client/Server Network

  10. Client/Server Advantages • Centralized Administration: • Only requires one user login account and password • Access to multiple shared resources is better controlled • Better security • Servers are optimized to handle heavy processing loads • Servers can connect more many more computers

  11. Logging On • Press <Ctrl> + <Alt> + <Delete> • Enter user name, password, and domain

  12. Logging Off • Why log off? • To secure your computer from unauthorized access • You share the same computer with another user • To gain administrative rights to a shared folder or printer • Use Start > Log Off > Really Log Off • Occasionally you have to use Shut Down then select Log Off UserName (Table 6-2 on Page 177)

  13. Shutting Down • Shutting down gives Windows a chance to save information in the computer’s memory to the local disk, cleaning up temporary files, and save changes to the Registry and to your profile. • Use Start > Shut Down > OK then turn off the computer when it says it safe to do so. • See Table 6-2 on Page 177

  14. Browsing the Network • Makes it easy to look for resources on the network but isn’t foolproof. Sometimes it appears that the resource isn’t available when it can still be accessed by mapping. • Select My Network Places, click Entire network, Microsoft Network, the domain, the server, and then the shared resource (folder or printer)

  15. Universal Naming Convention (UNC) • Network resources on a Microsoft network have a common naming convention which is called the UNC . • The UNC consists of two main parts: ServerName and ShareName. • The UNC is seen in the form of: \\servername\sharename

  16. UNC Examples • The ServerName can be the server name, the fully qualified domain name, or the IP address. These are all the same server. \\cotweb3\schedules \\cotweb3.mccneb.edu\ schedules \\10.5.1.234\ schedules

  17. Temporary Connection To A Resource • Click the Start button and select Run from the Start menu. • Type the UNC in the Run dialog box. • The resource should open, if you are logged in as someone without permissions for the resource you will receive a "challenge box" that allows you to input your correct domain\username.

  18. Challenge Box Note that the user name Includes the domain name also. DomainName\UserName It’s not a good idea to check the “remember my password” check box

  19. Mapping a Resource • Used if you frequently access a specific network folder. • To map a network folder, you assign it a drive letter, like (J:), so that it appears as a drive in My Computer, Windows Explorer, and in your programs Open and Save dialog boxes. • Much faster than having to browse through the network again and again to find it. • Use My Network Places, My Computer, CLI, or Windows Explorer to map a drive.

  20. Mapping a Resource Use the Tools menu in Explorer/My Computer or right-click My Computer or My Network Places & select “Map Network Drive”

  21. NET Commands • NET CONFIG, NET DIAG, NET HELP, NET INIT, NET LOGOFF, NET LOGON, NET PASSWORD, NET PRINT, NET START, NET STOP, NET TIME, NET USE, NET VER, and NET VIEW • To display this list with a description of each command, type NET HELP. • To get help with a individual command type NET HELP <Command> or NET HELP VIEW

  22. Using Help with NET Commands

  23. NET USE (CLI Map Command) • Connects (Maps) or disconnects your computer from a shared resource or displays information about your connections. • NET USE Drive: \\ServerName\ShareName • NET USE Z: \\SRP6\Students

  24. Connecting to a Network Printer Click Add a printer . Select the Network printer option and click Next. Select the Connect to this printer option and click Next.

  25. Select Network Printer Click the + next to the desired network domain or workgroup Click the + next to the desired computer or server, click the desired printer and click Next

  26. Summary • Network Terms • Logging On/Off • Shutting Down • Browsing the Network • UNC • Mapping a Resource • NET Commands (NET USE) • Connecting to a Network Printer

  27. Homework Assignment • Reading • XP Textbook – pp 171-186 • UNC Handout • Lab Exercise 11: Accessing Network Resources • Due Date: A Week from Next Tuesday

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