diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index a4ff7a5..d8c9098 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,10 +13,10 @@
             "state": {
               "type": "pdf",
               "state": {
-                "file": "ISEN/Réseau/CIPA4/TP/Réseaux Informatique.pdf"
+                "file": "ISEN/Réseau/CIPA4/TP/Module 4/M04 TP 01 - Communication.pdf"
               },
               "icon": "lucide-file-text",
-              "title": "Réseaux Informatique"
+              "title": "M04 TP 01 - Communication"
             }
           },
           {
@@ -242,6 +242,10 @@
   },
   "active": "d7edff405bbcbd43",
   "lastOpenFiles": [
+    "ISEN/Réseau/CIPA4/TP/Réseaux Informatique.pdf",
+    "ISEN/Réseau/CIPA4/TP/Module 4/M04 TP 02 -Packet_Tracer-La_communication.pka",
+    "ISEN/Réseau/CIPA4/TP/Module 4/M04 TP 01 - Communication.pdf",
+    "ISEN/Réseau/CIPA4/TP/Module 4",
     "ISEN/Réseau/CIPA4/TP/Module 3/M03-05-TP-Packet-Tracer_Adressage_IPv4.pka~",
     "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 05 - Parametrages d'adresses IPv4.pdf",
@@ -257,10 +261,7 @@
     "ISEN/Réunion/CIPA 4/Réunion international.md",
     "ISEN/BDD/CIPA4/TP2/TP2.sql~",
     "ISEN/BDD/CIPA4/TP2/TP2.sql",
-    "ISEN/BDD/CIPA4/TP2/Tp2.pdf",
-    "ISEN/BDD/CIPA4/TP2",
     "Pasted image 20251009192656.png",
-    "ISEN/Other/Appen/Git flow Studysen.pdf",
     "ISEN/Other/Appen/Git flow Studysen.md",
     "ISEN/Réunion/CIPA 4/Rentrée 2025-2026.md",
     "ISEN/Réunion/CIPA 4/Réunion FHS Rentrée 2025.md",
diff --git a/ISEN/Réseau/CIPA4/TP/Module 4/M04 TP 01 - Communication.pdf b/ISEN/Réseau/CIPA4/TP/Module 4/M04 TP 01 - Communication.pdf
new file mode 100644
index 0000000..c7be3d0
Binary files /dev/null and b/ISEN/Réseau/CIPA4/TP/Module 4/M04 TP 01 - Communication.pdf differ
diff --git a/ISEN/Réseau/CIPA4/TP/Module 4/M04 TP 02 -Packet_Tracer-La_communication.pka b/ISEN/Réseau/CIPA4/TP/Module 4/M04 TP 02 -Packet_Tracer-La_communication.pka
new file mode 100644
index 0000000..10dc07b
Binary files /dev/null and b/ISEN/Réseau/CIPA4/TP/Module 4/M04 TP 02 -Packet_Tracer-La_communication.pka differ