The document is an examination for the course "Quantum Field Theory I" at NTNU Trondheim, Institute for Physics. It includes various questions and exercises on quantum field theory, covering topics such as mathematical operations, Yang-Mills theory, scalar fields, fermions with Yukawa interactions, and spin-1 fields. The allowed tools for the exam are mathematical tables. The questions are designed to test understanding of fundamental concepts and the ability to perform calculations and derive results. Additionally, the document provides a set of useful formulas and identities that are relevant to the course.The document is an examination for the course "Quantum Field Theory I" at NTNU Trondheim, Institute for Physics. It includes various questions and exercises on quantum field theory, covering topics such as mathematical operations, Yang-Mills theory, scalar fields, fermions with Yukawa interactions, and spin-1 fields. The allowed tools for the exam are mathematical tables. The questions are designed to test understanding of fundamental concepts and the ability to perform calculations and derive results. Additionally, the document provides a set of useful formulas and identities that are relevant to the course.