When nearly all americans in a recent survey said that they believe executives base decisions primarily on what will advance their careers, the survey respondents were indicating ethics in business management.

serious concerns about.

Explanation:

Since the reports are indicating the almost all the Americans believe executive based decisions and it is a serious concern because the people should be taking their own decisions and the career decisions are the most important ones in a person's life. Depending on other to take decisions for you shows a weak character and lack of self-confidence.

building and maintaining the topology is difficult and time consuming. the chance of redundant connections is high, which adds to the high costs and potential for reduced efficiency.

explanation: