📶🧑🔗🔄

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📶📊📋💻

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💻↔️2️⃣🛠️

#layer 2 networking #OSI model #data link layer #network tool #MAC address #vlan tool #network analysis #ethernet tool #switch tool

<[📄]>

#data packet #protocol layer #wrapping #header #trailer #OSI model #tcp/ip #data link layer #network layer

🌐↔️3️⃣

#layer 3 #network layer #OSI model #tcp/ip #routing #ip address #networking

📐🧧🌐

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📊🧑↔️💻

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7️⃣🧑💻🌐

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1️⃣2️⃣3️⃣4️⃣5️⃣6️⃣7️⃣📱

#OSI model #7 layers #network layers #layer numbering #network communication