One way to ensure a team is holding successful iteration reviews and demos is to have the team demo working, tested system components that meet the definition of done (DoD). This shows the team's progress and value delivery, and allows them to receive feedback from the product owner and other stakeholders. The team should minimize the use of slides and the preparation time for the demos, and focus on the solution instead of the presentation. The team should also discuss the impact of the current solution on the nonfunctional requirements (NFRs) and identify any risks or impediments.
Reference:
Iteration Review - Scaled Agile Framework
Exam Study Guide: SSM (6.0) - SAFe Scrum Master

One of the characteristics of high-performing teams is having fun with the work and with each other. According to SAFe, high-performing teams enjoy their work and have a positive team spirit. They celebrate their achievements and learn from their failures. They also have a strong sense of camaraderie and trust, which fosters collaboration, innovation, and continuous improvement12.

According to the SAFe 6 Scrum Master documentation, one of the metrics that are reported at the Inspect and Adapt event is the ART predictability measure. This metric shows how well the ART delivers on its PI objectives, which are the SMART commitments made by the teams during PI planning. The ART predictability measure is calculated by dividing the total actual business value achieved by the total planned business value, as shown in the PI system demo. The ART predictability measure helps the ART to assess its performance, identify gaps, and improve its forecasting accuracy and reliability. (Must be taken from SAFe 6 Scrum Master resources) Reference:
Inspect and Adapt
Program Increment
Exam Study Guide: SSM (6.0) - SAFe Scrum Master

The intended value of the Backlog Refinement event is that the team is able to prepare requirements for Iteration Planning. Backlog Refinement is an ongoing process where the team collaborates with the Product Owner and other stakeholders to review, split, prioritize, and estimate the stories in the Team Backlog1 One of the main objectives of Backlog Refinement is to ensure that the stories are ready for Iteration Planning, which means they are clear, feasible, testable, and small enough to be completed in a single Iteration2 By doing so, the team can improve the quality, efficiency, and effectiveness of their work, as well as deliver value to the customers and the organization123 Reference:
Team Backlog - Scaled Agile Framework
Backlog Refinement - Scaled Agile Framework
What is backlog refinement? | Miro

The "C" in the CALMR approach to DevOps stands for culture, which is the foundation of successful DevOps adoption. Culture refers to the values, beliefs, and behaviors that guide the collaboration and alignment of everyone in the value stream. By creating a culture of shared responsibility, teams can manage the tensions caused by differing needs, such as speed, quality, security, and stability. A culture of shared responsibility means that everyone is accountable for the outcomes of their work, and that they work together to deliver value to the customers. It also means that teams respect each other's roles and expertise, and seek feedback and learning opportunities. A culture of shared responsibility fosters trust, transparency, and continuous improvement, which are essential for DevOps.
Reference:
CALMR - Scaled Agile Framework
The CALMR Approach to DevOps [Complete Guide] - KnowledgeHut