HFCL Limited MIS Executive Interview Questions and Answers for Freshers

OSI layers are a model for network communication. There are 7 layers, each with a specific function.

• Layer 1: Physical - deals with physical connections and transmission of raw data

• Layer 2: Data Link - manages data transfer between devices on the same network

• Layer 3: Network - handles routing and forwarding of data between networks

• Layer 4: Transport - ensures reliable data transfer between applications

• Layer 5: Session -...read more

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