INTRODUCTION
PROTOCOL LAYERING
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Layer 1-Physical
|
|
|
Layer 2-Data Link
|
|
|
Layer 3-Network
|
|
|
Layer 4-Transport
|
|
|
Layer 5-Application
|
Detailed explanation-1: -Network layer, layer 3. The most significant protocol at layer 3 (also called the network layer) is the Internet Protocol, or IP. IP is the standard for routing packets across interconnected networks–hence, the name internet.
Detailed explanation-2: -In the 7-layer OSI model (see below), the network layer is layer 3. The Internet Protocol (IP) is one of the main protocols used at this layer, along with several other protocols for routing, testing, and encryption.
Detailed explanation-3: -TCP/IP Network Layer (Layer 3) Layer 3 is the Network or Internet layer. When transmitting data, this layer adds a header containing the source and destination IP addresses to the to the data received from the Transport layer. The packet it creates will then be forwarded to the MAC or Data Link layer.