Question: What version of YANG is mandated for use in 3GPP YANG models, as per management service template guidelines?
Option 1: YANG version 1.1
Option 2: YANG version 1.0
Option 3: The latest available YANG version
Option 4: YANG version 2.0
Explanation: The correct answer is YANG version 1.1 because, according to the guidelines for management service templates in the telecom domain, specifically within 3GPP standards, YANG version 1.1 is explicitly mandated for use, ensuring consistency and compatibility across all 3GPP YANG models.