Your network contains an Exchange Server 2010 server. 
You need to plan a mailbox sharing solution for the organization to meets the following requirements：.Ensure that assistants can read and modify the e-mail messages of their managers 
.Ensure that assistants can impersonate their managers when they send e-mail messages 
What should you include in the plan？（）

You have an Exchange Server 2010 organization. 
You plan to deploy a public folder access solution to meet the following requirements：
.Users in the legal department must be able to send e-mail messages to public folders 
.Users in the legal department must not be able to read documents in the public folders by using OutlookWeb App （OWA）
You need to recommend changes to public folder access that meet the company requirements.
What should you recommend？（）