单项选择题
A.Join the second meeting by using Microsoft Office Live Meeting.
B.Enable the Windows Media Player Network Sharing Service Windows Firewall exception.
C.Click the Leave meeting option in the first meeting， and then join the second meeting.
D.Open Windows Meeting Space， create a new meeting， and specify a password for others to use when they join the meeting.
单项选择题 A co-worker is unable to invite you to a Microsoft Windows Meeting Space meeting. You need to receive an invite to the meeting. What should you do？（）
单项选择题 You use Microsoft Windows Mail to download e-mail messages to your Inbox. You need to minimize the receipt of e-mail messages that attempt to acquire private financial information. What should you do？（）
单项选择题 You add a particular e-mail address to the Blocked Senders list in the Microsoft Windows Mail application. You still receive messages from this e-mail address. You need to prevent the receipt of all e-mail messages from this e-mail address. What should you do？（）