Answer :
Final answer:
ISO/IEC 20000, ISO 9001, and ISO/IEC 27001 are standards that outline guidelines for IT service management, quality management, and information security respectively. All three can be integrated, but it's not necessary for a service provider to be certified in all of them. Each focuses on a different area but can be applied across various industries including IT.
Explanation:
ISO/IEC 20000, ISO 9001 and ISO/IEC 27001 are all internationally recognized standards that establish guidelines for different aspects of business management. First and foremost, the management systems of all three can indeed be integrated into a comprehensive management system.
ISO/IEC 20000 focuses specifically on IT service management, aiming at ensuring the delivery of more effective and efficient IT services. It is not necessary for service providers to be certified against all of them to guarantee an effective service management system; however, it can provide a competitive edge.
On the other hand, ISO 9001 deals with quality management systems applicable to any organization, regardless of its size or the industry it operates in. It does not deal mainly with customer complaints about quality, but it does include procedures for dealing with such complaints.
ISO/IEC 27001 is an information security standard, which is also not specifically for IT service provider organizations, but can be highly beneficial to them. It outlines how to put in place an independently assessed and certified information security management system (ISMS).
Learn more about ISO Standards here:
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