Question: (15 Marks) The project execution phase is typically the longest and most challenging of all the project phases

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Question: (15 Marks)The project execution phase is typically the longest and mostchallenging of all the project phases. Why is this so? Does projectexecution always proceed exactly according to the project plan?Justify your answer and briefly discuss the consequent implicationsfor project planning. Suggest at least ten important themes whichin your opinion need to be carefully managed in the course ofproject execution and for each of these briefly explain why theyare important.Kindly answer each part of question please. Thank you