Tag: Logical Link Control

Data Link Layer of OSI Model (Layer-2)

Data Link layer of OSI model

Data Link Layer of OSI Model is the second layer in seven layer model. Data Link layer performs two very important functions of physical addressing and switching. Data link layer is the place where most LAN, Ethernet and wireless LAN technologies are defined. Each layer in OSI Model has its own duties & specific functions to perform so that it can support the layers above it. Below figure shows the position of Data Link layer in the OSI Model: Data link layer controls the Layer-2 Network boundary. It provides functional and procedural methods of transferring data between two points. It Read More …

OSI Model Interview Questions for CCNA

OSI Model Interview Questions

A Server at a company called NETWORKWALKS is using TCP/IP protocol to connect to the Network & is running multiple applications. At which layer of OSI Model is this Server operating? This Server is operating at Application Layer of OSI Model   What are LLC and MAC sublayers? What are their functions? LLC & MAC Sublayers are the two sub-divisions of Data link layer (Layer 2) of the OSI model. Media Access Control (MAC) sublayer controls device interaction Logical Link Control (LLC) sublayer controls LLC sublayer deals with addressing and multiplexing   Which Layer is used to deal with mechanical Read More …