Do you want to pay cash or sign the bill？这句话意思是（）。

You manage 40 computers that run Microsoft Windows Vista.
You use Microsoft Windows Calendar to publish a calendar to a shared network location. You need to allow users to automatically view the most recent calendar updates.
What should you do?（）

You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online.
Which statement about performing user-managed backups in a 24x7 environment is true?（）

You are the domain administrator for TestKing's Active Directory domain named All client computers run Windows XP Professional.
You need to implement a solution for managing security updates on client computers. You plan to use a Windows Server 2003 computer to manage security updates. Your solution for managing security updates must meet the following requirements:
1. You must not purchase additional software or licences.
2. Security updates must be installed automatically.
3. You must be able to control which updates are available to install.
4. Security updates must synchronize automatically with the latest updates offered by Microsoft.
You need to implement a solution for managing security updates that meets the requirements.
What should you do?（）