Preguntas y respuestas relativas a la seguridad en redes inalámbricas

I was invited to give a talk on wireless networks to 27 Simposium Internacional de Sistemas Computacionales y Tecnologías de la Información, organized by Tecnológico de Monterrey. I did not prepare a presentation or slides, so instead of that, I promised I would answer to every question made by the audience. Here are the promised answers.