http://m.wikihow.com/Make-a-Printer-Wireless-With-a-Wireless-Router

Prayer

OSI MODELS

http://www.webopedia.com/quick_ref/OSI_Layers.asp

Check the truth out

Check out @TeenyTruth's Tweet: https://twitter.com/TeenyTruth/status/609820040557408256?s=09

OSI Reference Model

OSI Reference Model It is a layered model consisting of seven layers. Layers of OSI Model Application: Provides network access for applications, flow control and error recovery. Use protocols like NCP, SMB, SMTP, FTP, SNMP, Telnet, and AppleTalk. Presentation: Performs protocol conversion, encryption and data compression. Use the protocols like NCP, AFP, and TDI. Session: Allows 2 applications to communicate over a network by opening a session and synchronizing. Protocol used NetBIOS. Transport: Repackages messages into smaller formats, provides error free delivery and error handling functions. Use the protocols like NetBEUI, TCP, SPX, and NWLink. Network: Handles addressing, translates logical addresses and names to physical addresses. Use the protocols like IP, IPX, NetBEUI and device used is Router. Data Link: Packages raw bits into frames and includes a cyclical redundancy check. Consists of the LLC sublayer and the MAC sublayer. MAC sublayer is responsible for appending the MAC address of the next hop to the frame header. LLC sublayer uses Destination Service Access Points and Source Service Access Points to create links for the MAC sublayer. The device like Switch, bridge and brouter works on this layer. Physical: Works with the physical media for transmitting and receiving data bits. Multiplexer and repeater are used at this layer. MAC Address: It’s a 48 bit address for uniquely identifying devices on the network. This is a way of presenting the address a 12 hexadecimal digits format. First 6 digits specify the manufacture.

Networking Devices

Network Devices Hub: Repeats signals received on each port by broadcasting to all the other connected ports. Repeaters: Use to connect two or more Ethernet segments of any media type, and to provide signal amplification for a segment to be extendeds. Bridge: It’s a layer 2 device used to connect different networks types or networks of the same type. Maps the Ethernet addresses of the nodes residing on each segment and allows only the necessary traffic to pass through the bridge. Switch: It’s a layer 2 devices and use for linking the networks. Available in two types i.e. Cut-through switches and store-and-forward switch. Cut-through switches forwards it right after looking at the destination address only and store-and-forward switch inspects the entire packet before forwarding. Routers: Filter out network traffic. Protocols must be routable in order to pass through the routers. Also determine the most efficient path for a packet to take and send packets around failed segments. Brouter: The best features of routers and bridges in that it can be configured to pass the non-routable protocols. Gateway: Used as a connection to a mainframe or the internet. Enable communications between different protocols, data types and environments. Operate at all layers of the OSI model.

Love my blog

Park's IT Solutions http://parksitsolutionsblogger.blogspot.com/