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Showing posts from May, 2018

LO2 Network and interconnection devices

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Network devices Workstation Description Workstation is a computer for the individual users which is capable and faster than a personal computer. It is commonly used for business or professional use. Function Workstation has advanced graphics capabilities, powerful microprocessor and large storage size which allow it to reduce the number of instructions that stored in microprocessor and it also allows high resolution and has advanced abilities to communicate with other clients. Diagram NIC Description Network Interface Card (NIC) is an adapter that has been installed into the computer which provides physical interface between the cable and computer. Function NIC is used to received data and translate data into bytes so that the computer can understand it. Diagram Types of Server Print Features It can support multiple printer queues. It can support multiple printing methods. It is easy to configure the multi-panel graphical user interface. Functions It manages pr...

Network Protocols & Standards

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TCP/IP Known as Transmission Control Protocol/ Internet Protocol. Commonly used network protocol worldwide. It provides a connection for communication between two clients using two data streams. TCP has to establish a connection channel with the target node. It make sure that the file is send and receive successfully and also if not successful, it will send error message. UDP User Datagram Protocol Provides one to one communication Unreliable communication device AppleTalk Used for Apple IOS and Macintosh OS. 802.2 ( Logical Link Control ) Known as Logical Link Control layer where is used to understand the data link layer. The purpose is to translate the message. 802.3 (Ethernet) Used Network Interface Card (NIC) to connect the PC to the Internet. FDDI Fiber Distributive Data Interface Used 2 rings, Primary and Secondary. Primary - Anticlockwise Secondary - Clockwise Purpose - Sending messages is faster and if one ring is broken, can used an...

Wireless Technologies

802.11 Description It acts as an interface between wireless client and a server which is developed by Institute of Electrical and Electrical Engineering (IEEE). Diagram Example Infrared Description Diagram Example Bluetooth Description Diagram Example 3G Description Diagram Example