Which international standard is used for structured cabling?

The international standard that specifically addresses structured cabling is ISO/IEC 11801. This standard outlines the requirements for cabling systems in commercial buildings and establishes guidelines for the design, installation, and testing of structured cabling systems. It serves as a foundation for the development of more detailed specifications and standards related to various cabling media, ensuring consistency and compatibility across different manufacturers and installations.

ISO/IEC 11801 is essential for standardizing the performance of cabling systems used in both local area networks (LANs) and broader telecommunications infrastructures. Its comprehensive nature ensures that technicians can create systems that are reliable and can support a wide range of applications, from voice to data communications.

The other choices represent different standards that cater to unrelated subjects. For instance, ISO-9001 focuses on quality management systems, ISO-27001 deals with information security management, and ISO-14000 pertains to environmental management. These standards are important in their respective fields but do not address the specifics of structured cabling systems.