The full title is typically: or "Montaje y Mantenimiento de Redes Locales" Published by Ediciones Paraninfo (a major Spanish educational publisher, part of the Thomson Reuters group).
The term refers to a specific textbook widely used in Spanish-speaking vocational training (Ciclos Formativos de Grado Medio y Superior) in subjects related to computer networks and local area networks (LAN) . Libro De Redes Locales Paraninfo Pdf