Exam MS-100 topic 5 question 17 discussion

Your company has an on-premises Microsoft Exchange Server 2016 organization. The organization is in the company's main office in Melbourne. The main office has a low-bandwidth connection to the Internet.
The organization contains 250 mailboxes.
You purchase a Microsoft 365 subscription and plan to migrate to Exchange Online next month.
In 12 months, you plan to increase the bandwidth available for the Internet connection.
You need to recommend the best migration strategy for the organization. The solution must minimize administrative effort.
What is the best recommendation to achieve the goal? More than one answer choice may achieve the goal. Select the BEST answer.