CCNA Revision (Session 3/1+2)

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Transport Functions:
• Segmentation: It is dividing the data into smaller parts 1460 Byte
• Addressing: Giving serial number for data path
• CRC (Error Detection/ Error Equation ): Cyclic Redundancy Check
If the data has an error, the system discards it.
Layer 3= End to End & IP & Packet
Layer 2= Hop to hop & Mac & Frame
Between every Segment there is a Jitter (10 Mel second):
Encapsulation