An organization wants to transition to Scrum They want to make sure this transition goes well What factor helps most to ensure a smooth transition?

A team's physical environment can have a big influence on how Agile a team can become. An important benefit of an open space workplace is the ease with which the layout of the area can be changed.
Why does this comply with the Agile principles?

Which of the following methods helps estimate the value provided by projects?

You are hosting a Sprint Retrospective for the Scrum Team and you want to set some ground rules for the meeting. All of following are appropriate topics for the Sprint Retrospective meeting except for which one?

A large company of more than 400 people changes from the Waterfall to the Agile framework. The company uses the approach of applying Scrum to all projects in the organization using an all-in scenario. The leaders are reluctant to fully commit to Scrum and there are no experienced Scrum Masters available within the organization yet. Six months later, Scrum has failed in the company. Many different applications of Scrum have been tried with varying degrees of success. The company gives up and returns to the Waterfall approach.
What is the most likely reason that the transition did not work?