diff --git a/1/ISO/assignments/t5-ej3-concept-map/t5-ej3-concept-map.pdf b/1/ISO/assignments/t5-ej3-concept-map/t5-ej3-concept-map.pdf
index 2c0f223..a5a5350 100644
Binary files a/1/ISO/assignments/t5-ej3-concept-map/t5-ej3-concept-map.pdf and b/1/ISO/assignments/t5-ej3-concept-map/t5-ej3-concept-map.pdf differ
diff --git a/1/ISO/assignments/t5-ej3-concept-map/t5-ej3-concept-map.tex b/1/ISO/assignments/t5-ej3-concept-map/t5-ej3-concept-map.tex
index 57cab2b..851ad13 100644
--- a/1/ISO/assignments/t5-ej3-concept-map/t5-ej3-concept-map.tex
+++ b/1/ISO/assignments/t5-ej3-concept-map/t5-ej3-concept-map.tex
@@ -5,21 +5,46 @@
 \begin{document}
 \begin{tikzpicture}[
 		node distance=3cm,
-		every node/.style={align=center},
-		relation/.style={fill=white!20},
+		every node/.style={align=center,fill=white!20},
 		idea/.style={shape=ellipse,draw}
 	]
 	\node[idea] (DNS) {\Huge DNS};
 		\node[idea, below=of DNS] (jerarquia) {Estructura\\Jerárquica};
 			\node[idea, below=of jerarquia] (arbol) {Estructura de\\Árbol Invertido};
+				\node[idea, left=of arbol] (zonas) {Zonas DNS};
+					\node[idea, left=of zonas] (1DNS) {Servidor DNS\\Primario};
+					\node[idea, left=of zonas, above=of 1DNS] (2DNS) {Servidor DNS\\Secundario};
 				\node[idea, below=of arbol] (raiz) {Raíz (•)};
+					\node[idea, below=of raiz] (tld) {Top Level Domains\\(TLD)};
+						\node[idea, below=of tld] (autoritativos) {Nodos\\Autoritativos};
+							\node[idea, right=of tld] (ccTLD) {Geográficos\\({\em country code} TLD)};
+							\node[idea, below=of autoritativos] (hojas) {Nodos\\Hojas};
 				\node[idea, below=of arbol, left=of raiz] (nodos) {Nodos\\Etiquetados};
 		\node[idea, right=of DNS] (traduccion) {Traducción de nombres\\a direcciones IP};
+			\node[idea, right=of traduccion] (resolucion) {Resolución de Nombres};
+				\node[idea, right=of resolucion] (iterativa) {Consulta Iterativa};
+				\node[idea, right=of resolucion,above=of iterativa] (recursiva) {Consulta Recursiva};
+		\node[idea, left=of DNS] (FQDN) {Fully Qualified Domain Name};
+			\node[idea, left=of FQDN] (dominio) {Dominio};
+			\node[idea, left=of FQDN, above=of dominio] (hostname) {hostname};
 
 	\draw[-stealth] (DNS) to node {organizada en} (jerarquia);
 		\draw[-stealth] (jerarquia) to node {en forma de} (arbol);
+			\draw[-stealth] (arbol) to node {dividida en} (zonas);
+				\draw[-stealth] (zonas) to node {tiene un} (1DNS);
+				\draw[-stealth] (zonas) to node {puede tener\\varios} (2DNS);
 			\draw[-stealth] (arbol) to node {iniciada por} (raiz);
+				\draw[-stealth] (raiz) to node {apunta a} (tld);
+					\draw[-stealth] (tld) to node {puede ser\\de tipo} (ccTLD);
+					\draw[-stealth] (tld) to node {referencian} (autoritativos);
+						\draw[-stealth] (autoritativos) to node {referencian} (hojas);
 			\draw[-stealth] (arbol) to node {compuesto por} (nodos);
 	\draw[-stealth] (DNS) to node {sirve\\para} (traduccion);
+		\draw[-stealth] (traduccion) to node {por medio\\de} (resolucion);
+			\draw[-stealth] (resolucion) to node {puede\\ser} (iterativa);
+			\draw[-stealth] (resolucion) to node {puede\\ser} (recursiva);
+	\draw[-stealth] (DNS) to node {utilizado\\con} (FQDN);
+		\draw[-stealth] (FQDN) to node {contiene} (dominio);
+		\draw[-stealth] (FQDN) to node {contiene} (hostname);
 \end{tikzpicture}
 \end{document}