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Introduction to Networking

Introduction to Networking

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Introduction to Networking

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  1. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Overview Lesson 2 Lesson 3 Lesson 4 • Lessons in Unit 1: • Types of Computers • Internal Computer Components:CPUs, Memory, andAccessory Cards • System Software • Application Software • Management and Utility Software • From Applications to the Network Lesson 5 Lesson 6 Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  2. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 This lesson looks at classifications of computers found in networks and the primary purpose of each type. Lesson 4 Lesson 5 • At the end of Lesson 1, you shouldbe able to: • Identify the primary function of each class of computer • Understand where each type of computer is typically found in a network Lesson 6 Summary Quiz Key Point Computers are the endpoints of the networks. Computer types perform unique tasks based on their sizes. Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  3. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 Lesson 4 Desktop Computers Lesson 5 Lesson 6 • Desktop computers are sometimes divided into two broad categories: • Personal computers (PCs and Macs) • Workstations Summary Quiz • PCs usually run Microsoft Windows operating systems. They can also run Linux and UNIX. Macs run the Apple O/S. • A workstation typically runs a version of the UNIX operating system. • Workstations typically have more graphics capabilities and other high-end hardware. Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  4. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 Lesson 4 Mid-Range Computers and Servers Lesson 5 Lesson 6 • The term “mid-range” covers a wide range of computer systems that support more than one user. • Mid-range computers include: • High-end Reduced Instruction Set Computer (RISC) CPU-based servers (IBM AS/400) • Intel-based servers (Compaq, Dell, and Hewlett-Packard) • UNIX-based servers of all types Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  5. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 Lesson 4 Mid-Range Computers and Servers Lesson 5 Lesson 6 • Mid-range and server systems are commonly used in small to medium organizations, such as departmental information processing. • Typical applications include: • Finance and accounting (AS/400) • Database (Intel-based or UNIX-based) • Printer servers (Intel or UNIX-based) Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  6. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 Lesson 4 Mainframe Computers Lesson 5 Lesson 6 • Mainframe computers (also referred to as super computers) and associated client/server products can manage large organization-wide networks. • The unique and inherent capabilities of leading-edge mainframe systems include: • Constant availability • Rigorous backup, recovery, and security • Huge economies of scale • High bandwidth I/O facilities Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  7. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 Lesson 4 Others Lesson 5 Lesson 6 • Laptops, palmtops or PDAs, and thin client terminals. • Thin client terminals have staged a comeback. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  8. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 Activities Lesson 4 1) Match the characteristics with the computer type; choose all that apply. Constant availability___ Single user ___ Mobility___ High-end graphics___ Windows operating system___ UNIX___ Lesson 5 Lesson 6 Summary Quiz A. Desktop B. Mainframe C. PDAs D. Server E. Workstation F. PC Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  9. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 Extended Activities Lesson 4 Lesson 5 1) The class members will break into four focus groups to discuss computer types. Each group will champion a type of computer, research the applications where they are found, and make a short presentation to the other groups. The computer types are: a Desktop computers b Mid-range computers (including server-based systems) c Mainframe computers d Other computers (laptops and PDAs) Lesson 6 Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  10. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 Extended Activities Lesson 4 Lesson 5 Lesson 6 2) Go to various Web sites and evaluate computer products in each of the categories presented in this lesson. Start with the following: a Desktop computers (http://www.compaq.com, http://www.dell.com, http://www.gateway.com, and http://www.micron.com) b Mid-range computers (http://www.hp.com, http://www.ibm.com, and http://www.sun.com) c Mainframes (http://www.ibm.com, http://www.amdahl.com, and http://www.hitachi.com) Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  11. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Types of Computers Lesson 2 Lesson 3 Extended Activities Lesson 4 Lesson 5 Lesson 6 d Other computers (http://www.3com.com, http://www.apple.com, http://www.hp.com, http://www.ncsa.uiuc.edu, and http://www.oracle.com) 3) List other companies, as well as devices not covered in this lesson, such as specialized process-control computers. 4) Break into discussion groups and examine the various ways PCs have impacted how we interact at home, work, school, and leisure. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  12. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 This lesson reviews important aspects of clients and servers that attach to a network. Lesson 5 • At the end of Lesson 2, you shouldbe able to demonstrate an understanding of: • The function of a CPU in a computer • The role memory plays in a computer and its impact in the operation of a computer • I/O of a computer • Types of storage found in computers • NICs and how computers connect to a network Lesson 6 Summary Quiz Key Point All internal computer components have multiple options for speed and capacity. Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  13. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Central Processing Unit (CPU) Lesson 5 Lesson 6 • The microprocessor is the brain of any computer. • The terms microprocessor and CPU are used interchangeably. • There are two basic characteristics that differentiate microprocessors: • Data bus size is the number of bits that a CPU can send or receive in a single instruction. • Given in MHz, the clock speed determines how many instructions per second the processor can execute. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  14. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Central Processing Unit (CPU) Lesson 5 Lesson 6 • A 64-bit microprocessor that runs at 450 MHz is more powerful than a 16-bit microprocessor that runs at 100 MHz. • The vast majority of all desktop PCs incorporate a single Intel architecture processor (such as Pentium). • AMD (Advanced Micro Devices) also manufactures compatible CPUs Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  15. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Input/Output Lesson 5 Lesson 6 • A bus is a collection of wires that transmit data from one part of a computer to another. • The term bus usually refers to aninternal bus. • An internal bus connects appropriate internal computer components to the CPU and main memory. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  16. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Input/Output Lesson 5 Lesson 6 • The size of a bus, known as its width, determines how much data can be transmitted at one time • A 16-bit bus can transmit 16 bits of data, or two bytes • A 32-bit bus can transmit 32 bits of data, or four bytes • A 64-bit bus can transmit 64 bits of data, or eight bytes Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  17. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Input/Output Lesson 5 Lesson 6 • Every bus has a clock speed measured in MHz. • PCs made today include a local bus for data • The local bus is a high-speed pathway that connects directly to the processor. Summary Quiz Bus Width Speed (MHz) Bandwidth (bits) (MB/sec) 8-bit ISA 8 8.33 8.3 16-bit ISA 16 8.33 16.6 EISA 32 8.33 33.3 PCI 32 33 132 64-bit PCI 64 66 528 Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  18. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Memory Lesson 5 Lesson 6 • The system’s internal, board-mounted storage area in the computer • Virtual memory expands the amount of memory for an application beyond the actualphysical. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  19. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Memory Lesson 5 Lesson 6 • There are several different types of memory: • RAM • ROM • Programmable read-only memory (PROM) • Erasable programmable read-only memory (EPROM) Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  20. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Network Interface Cards Lesson 5 Lesson 6 • A NIC is the hardware component that provides connectivity to a network. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  21. Introduction to Networking NIC Characteristics Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Network Interface Cards Lesson 5 Lesson 6 • The NIC fits into an expansion slot on the motherboards I/O bus. Summary Quiz Ethernet, FDDI, Fast Ethernet, ISDN, Token Ring, etc. LANs MCA,ISA, EISA, PCI, NuBus, VME Computer Bus Supported 8 KB, 16 KB, 32 bit, etc. RAM Buffer Size 8 bit, 16 bit, 32 bit, etc. Bus Size Data Rate 10 Mbps, 4 Mbps, 16 Mbps, 100 Mbps, 1Gbps Media Type Supported 10Base2, 10BaseT, UTP, STP, Optical/Fiber O/S Supported VINEs, NetWare, Appletalk, Windows NT, etc. 386, 486, Pentium, Pentium II, Pentium III, etc. Processor Capability Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  22. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 Lesson 6 1) List three speeds at which a CPU might operate. 2) The function of a CPU is to store programs.TRUE / FALSE 3) The amount of RAM determines the speed at which a CPU executes instructions.TRUE / FALSE 4) List at least three types of memory. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  23. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 Lesson 6 Choose the correct answer in items five through eight. 5) Which device is associated with short-term storage: hard disk or RAM? 6) What determines the size of a bus: length or width? 7) Which is faster: an ISA or a PCI bus? 8) Draw a rough sketch of a NIC connecting a PC to a network using an RJ-45 connector. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  24. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Extended Activities Lesson 5 Lesson 6 1) Acquire the following components and use them for a “show and tell” session: motherboards, CPU chips, NICs, EISA-type cards, PCI-type cards, video cards, PCMCIA cards, memory (SIMM and DIMM chips), and anything else you might find interesting. 2) Go to a Web site (e.g., http://www.dell.com) and find prices for RAM. Pay particular attention to the various sizes offered, such as 8 MB, 16 MB, 32 MB, and 128 MB. Calculate the price per MB for the different sizes. Visit other Web sites for price comparisons. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  25. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Internal Computer Components:CPUs, I/O, Memory, and Accessory Cards Lesson 2 Lesson 3 Lesson 4 Extended Activities Lesson 5 Lesson 6 3) Use the Web to look up memory terms such as SIMM, DIMM, EDO, SDRAM, SGRAM. Can you think of any others? 4) Look up information on “plug-and-play” devices. Can any type of expansion card be used in a plug-and-play environment? 5) Go to a Web site such as http://www.webopedia.com and find information on the accelerated graphics port (AGP) interface. Discuss how this is being used. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  26. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Two primary types of system software are discussed in this lesson, operating systems and device drivers. Lesson 4 Lesson 5 • At the end of Lesson 3, you shouldbe able to demonstrate an understanding of: • What an operating system is used for in a computer • The basic functions of an operating system • The most common types of operating systems • What a device driver is used for in a computer Lesson 6 Summary Quiz Key Point System software manages the hardware and software interoperability within a computer. Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  27. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Operating Systems Lesson 5 Lesson 6 • Operating systems perform the most basic of computer tasks. • The tasks of an operating system include: • Managing the operation of computer programs • Interpreting keyboard input • Displaying data to the computer screen • File I/O • Controlling peripheral devices, such as floppy disks, hard disks, and printers Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  28. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Operating Systems Lesson 5 Lesson 6 • Operating systems can be classified as follows: • Multitasking • Multithreading • Multiuse • Multiprocessing Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  29. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Operating Systems Lesson 5 Lesson 6 Summary • Operating systems provide a software platform that can run other programs, called application programs. • The application programs must be written to run on top of a particular operating system. • Applications must be “ported” to run in a different operating system environment Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  30. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Operating Systems Lesson 5 Lesson 6 • Microsoft has generally dominated the PC operating system market. • Microsoft Windows was the initial GUI that ran on top of DOS. • Windows for Workgroups 3.11 was Microsoft’s first peer-to-peer network operating system. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  31. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Operating Systems Lesson 5 Lesson 6 • Windows 95 is a true operating system, not just a GUI as found in standard Windows. • Windows 98 is another version of Microsoft Windows. • Windows NT is Microsoft’s 32-bit operating system. Windows 2000 is another O/S product. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  32. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Operating Systems Lesson 5 Lesson 6 • There aretwo Windows NT options: • Windows NT Workstation • Windows NT Server • Windows 2000 has several products such as Windows 2000 Professional and Windows 2000 Server Summary Quiz • The mid-range software market is characterized by competition between UNIX. Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  33. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Device Drivers Lesson 5 Lesson 6 • A device driver is special-purpose software used to control specific hardware devices in a computer system. • Device drivers for NICs control the operation of the NIC and provide an interface for the computer’s operating system. Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  34. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 Lesson 6 Summary 1) _______________ enables running a program on multiple CPUs. 2) _______________ allows more than one program to run at a time. 3) A _______________ operating system allows many concurrent users. 4) List three tasks accomplished by operating systems. Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  35. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 Lesson 6 Summary 5) List five operating systems that run on PCs or PC servers. 6) A _______________ _______________ is written for and controls hardware. Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  36. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Extended Activities Lesson 5 Lesson 6 Summary 1) Using a research tool, such as an Internet search engine, list how many different “flavors” of operating systems exist. 2) Classify the operating systems found in terms of: a Hardware platform (e.g., desktop) b Type of application environment normally found c Specialized operating systems (for handling graphics, etc.) Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  37. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – System Software Lesson 2 Lesson 3 Lesson 4 Extended Activities Lesson 5 Lesson 6 Summary 3) UNIX systems are sometimes classified as somewhat cryptic regarding their user interface. List what GUIs, such as Xwindows, are available for UNIX-type operating systems. 4) How would you go about getting the latest version of a device driver for a 3Com 3C905 NIC? Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  38. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Application Software Lesson 2 Lesson 3 Applications are computer programs that are used for productivity and automation of tasks. Networks are used to move application information from source to destination. Lesson 4 Lesson 5 Lesson 6 Summary • At the end of Lesson 4, you shouldbe able to demonstrate an understanding of: • Single-user applications • Network applications Quiz Key Point Application programs are used to accomplish a task or enhance productivity. Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  39. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Application Software Lesson 2 Lesson 3 Lesson 4 Types of Applications Lesson 5 Lesson 6 • Single-user applications include: • Word processors • Desktop publishing • Graphics • Database • Spreadsheets • Web Browsers Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  40. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Application Software Lesson 2 Lesson 3 Lesson 4 Types of Applications Lesson 5 Lesson 6 • Network applications include: • Database access • Print services • E-mail • Fax services Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  41. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Application Software Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 Lesson 6 Summary For each function, choose the type of program and program name (from the next page). 1) Categorize information _______________ 2) Document processing _______________ 3) Document publishing _______________ 4) Manipulate numbers _______________ 5) Create artwork _______________ 6) Internet retrieval _______________ Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  42. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Application Software Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 Lesson 6 a Spreadsheet b Adobe Illustrator c Netscape Communicator d Graphics e Microsoft Access f Database g Word processor h Adobe Framemaker i Lotus Notes j Microsoft Word k Web browser Summary Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  43. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Application Software Lesson 2 Lesson 3 Lesson 4 Activities Lesson 5 Lesson 6 Summary 7) List three network applications. 8) Contrast the functions/characteristics of an application program with an operating system. Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  44. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Application Software Lesson 2 Lesson 3 Lesson 4 Extended Activities Lesson 5 Lesson 6 Summary 1) Using the Web, list the kind of applications available for LINUX. 2) Go to http://www.netcraft.com and list the usage rates for the various Web server software programs. 3) What are the major database products? Where are these typically being used (e.g., large organizations, small businesses)? Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  45. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Management and Utility Software Lesson 2 Lesson 3 Lesson 4 This lesson looks at another category of software, communication and management software. Lesson 5 • At the end of Lesson 5, you shouldbe able to demonstrate an understanding of: • Different types of communication and management software • Usage of communication programs and processes • Basic functionality of network management software Lesson 6 Summary Quiz Key Point Not all computer programs are for individual user productivity. Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  46. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Management and Utility Software Lesson 2 Lesson 3 Lesson 4 Management and Utility Software Lesson 5 Lesson 6 Summary • Communication and management software includes: • System Status Messaging Services • Network Communications • Network Security Utilities • Network Management Tools • Remote Access Services • Backup and Recovery Utilities Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  47. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Management and Utility Software Lesson 2 Lesson 3 Lesson 4 System Status Messaging Services Lesson 5 Lesson 6 Summary • The network operating system (NOS) typically provides software on the client workstation to open windows for status messages from remote servers. Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  48. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Management and Utility Software Lesson 2 Lesson 3 Lesson 4 Network Communications Lesson 5 Lesson 6 Summary • Clients access the network through the use of communication protocols such as Internetwork Packet Exchange (IPX), Transmission Control Protocol/Internet Protocol (TCP/IP), and Ethernet. Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  49. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Management and Utility Software Lesson 2 Lesson 3 Lesson 4 Network Security Utilities Lesson 5 Lesson 6 Summary • Network security utilities come in several forms and can often prevent network failures and damage to an organization’s assets. • Network security specialists classify these threats as follows: • Hackers • Bandits • Trojan horses • Viruses Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5

  50. Introduction to Networking Introduction Lesson 1 Computers and Software in Networks – Management and Utility Software Lesson 2 Lesson 3 Lesson 4 Network Management Tools Lesson 5 Lesson 6 Summary • Network management tools generally consists of the following functions: • Network configuration • Troubleshooting • Event notification • Metrics and planning Quiz Unit 7 Unit 8 Unit 6 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5