Seven layer of networking. this is very important for networking essentials.

LY 7: The application layer

At this layer quality of service is identified, user authentication and privacy are considered, and any constraints on data syntax are identified.

Layer 6: The presentation layer

At this layer, converting incoming and outgoing data from one presentation format to another .Sometimes called the syntax layer.

LY 5: The session layer

At this layer, coordinating, and terminating conversations, exchanging, and dialog between the applications at each end. It deals with session and connection coordination.

LY 4: The transport layer

At this layer there is end-to-end control and error-checking. It ensures complete data transfer.

LY 3: The network layer

At this layer routing of the data take place which is the sending of the data in the right direction to the right destination on outgoing transmissions CertTalk.com Network+ Study Guide 39 Copyright 2004 CertTalk.com All rights reserved and receiving incoming transmissions at the packet level). The network layer does routing
and forwarding. IP addressing and dynamic or static routing take place al this layer.

LY 2: The data-link layer

At this layer MAC address, framing, and switching take place.

LY 1: The physical layer

This layer conveys the bit stream through the network at the electrical and mechanical level.

Tags: Website Development

This entry was posted on Monday, November 23rd, 2009 at 2:31 am and is filed under Internet Marketing, Website Development. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.