Vault sync: 2021-11-03 21:36:46

.obsidian/workspace

@@ -9,7 +9,7 @@
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@@ -68,7 +68,7 @@
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@@ -87,15 +87,15 @@
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-    "School/Analyse/Layers/4. Transport Layer.md",
     "School/Analyse/Layers/1. Physical Layer.md",
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+    "School/Analyse/Layers/5. Session Layer.md",
+    "School/Analyse/Layers/6. Presentation Layer.md",
+    "School/Analyse/Layers/7. Application Layer.md",
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-    "School/Analyse/Comminucation Mediums.md",
-    "School/Analyse/Computer Networks.md",
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School/Analyse/Layers/1. Physical Layer.md

@@ -3,4 +3,13 @@ This layer is responsible for the actual physical transfer of data between devic
 
 This layer also converts the data into a bit-stream of 1's and 0's. 
 
-The signal convention must be the same on both devices. (Meaning of a 0 and a 1)
+The signal convention must be the same on both devices. (Meaning of a 0 and a 1)
+
+## In depth
+Information on computers is stored in a digital format. To transmit this information we have to convert the information to signals.
+
+Physical layer is responsible for this conversion. The Physical layer deals with the actual physical transmission of electrical signals.
+
+You could say the physical layer is a bridge between real life and software.
+
+## Waves

School/Analyse/Layers/5. Session Layer.md

@@ -1,4 +1,4 @@
-# Session Layer
+# 5. Session Layer
 The session layer is responsible for opening and closing connections between two devices. The duration of a connection is called the session.
 
 The session layer ensures that the connections remains active and open so that the data being received and/or send is complete. 

School/Analyse/Layers/6. Presentation Layer.md

@@ -1,4 +1,4 @@
-#  Presentation Layer
+#  6. Presentation Layer
 The presentation layer is responsible for preparing the data so that it can be used by the Application Layer. 
 
 **Presentation layer is responsible for:**

School/Analyse/Layers/7. Application Layer.md

@@ -1,4 +1,4 @@
-# Application Layer
+# 7. Application Layer
 The application Layer provides services to the end user. So this is the layer the user actually interacts with. 
 
 These services are usually protocols that interact with the data that the user uses.