Which of the following are important factors to consider while selecting a migration strategy?

Selecting a migration strategy involves assessing various factors that can significantly impact the success of the transition. When considering data size, it's essential to understand the volume of information being transferred, as this influences the method and time required for migration. Larger data sizes may necessitate more robust solutions or longer transfer windows to ensure data integrity and minimize downtime.

Business criticality refers to the importance of the data and applications being migrated. If certain data sets are essential to business operations, the migration strategy must prioritize their security, continuity, and availability during the process. This might involve choosing more reliable migration methods or creating specific fallback plans to prevent disruptions.

Network bandwidth is another crucial consideration, as it determines how quickly data can be transferred. Limited bandwidth might lead to longer migration times, whereas sufficient bandwidth ensures a smoother and more efficient process. In scenarios where network resources are constrained, it may be necessary to employ strategies that accommodate these limitations, like scheduling migrations during off-peak hours.

Each of these factors plays a vital role in formulating an effective migration strategy, and hence, all must be taken into account to achieve successful data migration with minimal impact on business operations.