Aprende los fundamentos de redes en Microsoft Azure para el examen AZ-900. Descubre qué son las VNET y subredes en esta guía esencial sobre infraestructura en la nube.
La red es el sistema circulatorio de tu infraestructura; entender cómo se conectan y aíslan los recursos es lo que separa a un principiante de alguien que realmente domina la nube.
Azure networking
En el contexto del examen AZ-900, actualizado en enero de 2026, las redes se consideran el sistema circulatorio de la infraestructura en la nube. Miles explica que es fundamental entender cómo se comunican las máquinas virtuales antes de crearlas, ya que la red es el héroe invisible que permite que toda la arquitectura de Azure funcione correctamente y sin interrupciones.
Una Red Virtual, conocida como VNET, es descrita por Lena y Miles como una parcela privada y un espacio aislado dentro de la nube de Microsoft Azure. Funciona como el entorno base donde reside tu infraestructura, permitiendo que los recursos se conecten de forma segura dentro de tu propio segmento lógico de la red, separado de otros usuarios.
Las subredes son divisiones dentro de una Red Virtual que permiten organizar y proteger mejor la infraestructura. Miles utiliza la analogía de una casa donde la VNET es la estructura total y las subredes son las habitaciones individuales. Esta segmentación es vital para controlar el acceso y el tráfico, asegurando que los componentes de la red no estén expuestos innecesariamente.
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Esta guía es fundamental para profesionales de TI que buscan dominar los pilares de la infraestructura moderna. Es ideal para aspirantes a la certificación Network+ que necesitan equilibrar teoría de redes con habilidades prácticas de seguridad y diagnóstico.
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