diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 20b640b..15b1f30 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -7,6 +7,18 @@
         "id": "cfead9447b8b4656",
         "type": "tabs",
         "children": [
+          {
+            "id": "d7edff405bbcbd43",
+            "type": "leaf",
+            "state": {
+              "type": "pdf",
+              "state": {
+                "file": "ISEN/Réseau/CIPA4/TP/Module 3/Enonce du M03 TP 04 - Calcul de sous-reseaux.pdf"
+              },
+              "icon": "lucide-file-text",
+              "title": "Enonce du M03 TP 04 - Calcul de sous-reseaux"
+            }
+          },
           {
             "id": "bb525c2565afdf89",
             "type": "leaf",
@@ -112,7 +124,7 @@
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     ],
     "direction": "horizontal",
-    "width": 300
+    "width": 361.5
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   "right": {
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@@ -228,8 +240,12 @@
       "obsidian-git:Open Git source control": false
     }
   },
-  "active": "cc56184c227b09ca",
+  "active": "622da1d4e0ba0f73",
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+    "ISEN/Réseau/CIPA4/TP/Module 3/M03-05-TP-Packet-Tracer_Adressage_IPv4.pka~",
+    "ISEN/Réseau/CIPA4/TP/Module 3/Enonce du M03 TP 05 - Parametrages d'adresses IPv4.pdf",
+    "ISEN/Réseau/CIPA4/TP/Module 3/Enonce du M03 TP 04 - Calcul de sous-reseaux.pdf",
+    "ISEN/Réseau/CIPA4/TP/Module 3/Enonce du M03 TP 04 - Calcul de sous-reseaux.pdf",
     "ISEN/BDD/CIPA4/modelisation-cas-immo.md",
     "ISEN/BDD/CIPA4/Cas modélisation alternatifs.md",
     "ISEN/BDD/CIPA4/BDD Cours 1.md",
@@ -247,9 +263,6 @@
     "Pasted image 20251009192656.png",
     "ISEN/Other/Appen/Git flow Studysen.pdf",
     "ISEN/Other/Appen/Git flow Studysen.md",
-    "ISEN/Other/Appen",
-    "ISEN/FHS/A2/Outils RH/~WRL2137.tmp",
-    "ISEN/FHS/A2/Outils RH/~$ttre de motivation.docx",
     "ISEN/Réunion/CIPA 4/Rentrée 2025-2026.md",
     "ISEN/Réunion/CIPA 4/Réunion FHS Rentrée 2025.md",
     "ISEN/Réunion/CIPA 4/Délégué 2025-2026.md",
@@ -272,7 +285,6 @@
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     "ISEN/Réseau/CIPA4/TP/TP M02 Conversion.md",
     "ISEN/Réseau/A1/Cisco Cours 2.md",
-    "ISEN/Réseau/A2/CCNA Cours 1.md",
     "ISEN/Réseau/A2/TP Ansible et docker.canvas",
     "ISEN/BDD/CIR2/TD2.canvas",
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diff --git a/ISEN/Réseau/CIPA4/TP/Module 3/Enonce du M03 TP 04 - Calcul de sous-reseaux.pdf b/ISEN/Réseau/CIPA4/TP/Module 3/Enonce du M03 TP 04 - Calcul de sous-reseaux.pdf
index 25d1bc2..b51a4cd 100644
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index 4b3712c..98d2cc9 100644
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