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Types of Network Topologies with Diagram

Types of Network Topologies with Diagram

Introduction During this lesson you will be introduced to the components that make up a network as well as knowing the components of a network, several different models and topologies will also be discussed. Lesson Objectives By the end of this lesson, you will be able to: Describe TCP/IP model …

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Fiber and Wireless Network Media

Fiber and Wireless Network Media

When data packets leave the NIC, the medium that takes the packet from source to destination is called media. Media comes in various forms including copper wire, fiber optics, and wireless. Once the media access method, CSMA/CD or CSMA/CA, has been implemented, the data packets are on the media and …

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What is a Network Appliance?

What is a Network Appliance?

Servers will process many request from clients, but servers have a limit to how many connections can be serviced at one time, an example would be a web server. A load balancer will distribute network data across multiple interfaces or hosts. It is an intelligent appliance that can determine if …

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Network Documentation Examples

Network Documentation Examples

Documentation is an important aspect of Network Management and should be done from the planning, through the implementation and modification phases. A network administrator will store this documentation so it can be recalled and updated when necessary. Provided below are some examples of how and why data is documented. 1.Vendor …

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Introduction to Networks- CompTIA Network+

Introduction to Networks- CompTIA Network+

Lesson Objectives By the end of this lesson, you will be able to: 1. Describe the steps involved in developing an effective troubleshooting methodology. 2. Identify CompTIA and the Learning Domains for the Network + exam. 3. Describe what computer networking is and how it was initiated. 4. Compare the …

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DNS and DHCP Explained

DNS and DHCP Explained

Introduction This lesson will describe Domain Name Service (DNS), Dynamic Host Configuration Protocol (DHCP) as well as other protocols and port relationships. Lesson Objectives By The End Of This Lesson, You Will Be Able To: Explain the purpose of DNS. Explain the purpose of DHCP. Identify common ports and networking …

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Networking Devices and their Functions

Networking Devices and their Functions

Networking devices must be properly configured in order to communicate with other networking devices. For example, the annoying sound heard at the beginning of a fax transmission means that the two fax machines are agreeing on parameters for the transmission. Serial ports on PCs are used to connect to routers, …

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OSI Model Layers and its Functions

OSI Model Layers and its Functions

The Open System Interconnection (OSI) reference model is an industry-standard framework created and maintained by the International Standardization Organization (ISO). The OSI model was created to make network devices and network protocols interoperable. It allows components, such as hard drives and video cards, to function in a computer or network …

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Internet Connections Types

Internet Connections Types

There are many types of connections available for modern networks. Network connection types vary widely. Dial-up, broadband, cable, DSL, satellite, ISDN, and cellular (broadband wireless) are the main types of network connections which we describe. Ethernet Internet connections are becoming more common in homes and businesses, but are not described …

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What is Network Cabling

Network Cabling | Basics | Tools

In this lesson, the various types of network media are described along with the tools used in day-to-day network operations. Lesson Objectives Identify network cables and connectors. Categorize characteristics of connectors and cables. Identify the appropriate networking tools to use based on a given scenario. Network Media The network media …

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Network Types and Topologies

Network Types and Topologies

This lesson introduces computer networking. The types of networks and the types of network topologies are described. The role of a network administrator is explained. Network operating systems are described. Computer Networks A computer network is a collection of devices, including computers, connected together for the purpose of sharing data …

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Printer Types

Printer Types | Impact and Non-Impact Printer

In this lesson, printers are explored, with descriptions of each major printer type. The methods printers use to move paper are explained. And the maintenance techniques of cleaning and calibrating printers are described. Laser printer operation is described in some detail. Lesson Objectives Identify printer features. Identify the advantages and …

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Laptop Components and Their Functions

Laptop Components and Their Functions

This lesson describes the components of a laptop, including displays, lids, keyboards, mice, AC power, hard drives, optical drives, docking stations, port replicators, and peripherals along with their functions. Lesson Objectives Identify laptop components and their functions. Identify laptop expansion capabilities. Identify laptop connection types. Laptops Laptop computers, or laptops, …

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Serial and Parallel Ports of Computer

Serial and Parallel Ports of Computer

This lesson introduces the interface types used to connect external devices for digital communication. These interface types include serial, parallel, PS/2, USB, FireWire, and Bluetooth. Lesson Objectives Identify and compare I/O ports. Identify the characteristics of connection interfaces. Identify connector types and associated cables. Identify the appropriate connector or cable …

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Data Security Methods

Data Security Methods | Wireless Network Security

Securing data on a device is of the utmost importance. Both physical and digital security should be considered. A plan including risk mitigation is always a good idea when dealing with data. Several methods to protect data are described in this lesson. These measures extend to the disposal of hardware …

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