Data Link was designed for local area network communication. It means that if you connect your computers locally, you do not need higher layers in order for the computer to see and communicated with each other.
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The layer 2 devices use the data link layer addresses.
It uses data modulation techniques at teh physical layer (layer 1).
Which of the OSI layers handle the following. 1.dividing the transmitted bit stream into frames? Data link layer Which of the OSI layers handle the following: 2.dividing the application data into segments? Transport layer the PDU (Packet Data unit) for layers is as the following - Application, Presentation, and Session layers ==> uses Data - Transport layer ==> uses Segment - Network layer ==> uses Packets - Data link layer ==> uses Frames - Physical layer ==> uses Bits. ....
Data Link
A router operates primarily at the Network layer (Layer 3) of the OSI model to forward network messages. It uses IP addresses to determine the best path for data packets, making decisions based on routing protocols. Routers also interact with the Data Link layer (Layer 2) to send and receive frames over different physical networks.
Access points operate primarily at the Data Link layer (Layer 2) of the OSI model, where they facilitate wireless communication between devices on a local area network (LAN). They manage the data frames and handle MAC addressing, allowing devices to connect to the network. Additionally, access points can also interact with the Network layer (Layer 3) for IP addressing and routing functions.
Briefly discuss the functions of transport layer.
The Presentation layer must make certain that the format of the data will be understandable by the Application layer. This includes the use of encryption, compression, different graphics formats, etc. It uses a technique known as Portable Data Representation that allows data from different hardware to be able to communicate.
Transport Layer Security (SSL/TLS) can tunnel an entire network's
An Ethernet switch operates primarily at Layer 2 of the OSI model, which is the Data Link layer. It uses MAC addresses to forward Ethernet frames to the correct destination within a local area network (LAN). By managing data traffic efficiently, switches help reduce collisions and improve overall network performance. Some advanced switches can also operate at Layer 3, performing routing functions based on IP addresses.
transport layer