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Update README.md
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m14r41 authored Apr 20, 2024
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Expand Up @@ -326,7 +326,7 @@ Retransmission of lost packets is possible in TCP, but not in UDP. | There is no
| 6 | Data Link Layer | - Framing, error detection and correction, acknowledgment, flow control, ensuring well-defined reliable service interface to the network layer, encapsulating packets from network layer to frames, etc <br> **-** Form **Frames** | Bridge, Switch, Ethernet, PPP, HDLC |
| 7 | Physical Layer | **-** Controls the way unstructured, raw, bit-stream data is sent and received over a physical medium. <br> **-** Composed of the electrical, optical, and physical components of the network. <br> **-** Form **Bits** | Coax, Fiber, Wireless, RJ45, Bluetooth |
<img src="https://github.com/m14r41/CyberSecurity-Interview/assets/95265573/a219dfa7-a885-4064-a584-b3df253cffa5" alt="OSI model" width="500"/>
<img src="https://github.com/m14r41/CyberSecurity-Interview/assets/95265573/a219dfa7-a885-4064-a584-b3df253cffa5" alt="OSI model" width="600"/>
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