Your network consists of an Active Directory domain and a DirectAccess infrastructure. You install Windows7 on a new portable computer and join the computer to the domain. You need to ensure that the computercan establish DirectAccess connections. 
What should you do?（）

单项选择题You have a computer that runs Windows 7. The Encrypting File System (EFS) key is compromised. Youneed to create a new EFS key.  Which command should you run?（）

A.Certutil -getkey
B.Cipher.exe /k
C.Icacls.exe /r
D.Syskey.exe

单项选择题You have a computer that runs Windows XP and a USB drive that is protected by using BitLocker To Go.You need to ensure that you can copy files from the computer to the USB drive. The solution must retain theexisting files on the USB drive.  What should you do?（）

A.From a computer that runs Windows 7， change the file system of the USB drive.
B.From a computer that runs Windows 7， disable BitLocker To Go for the USB drive.
C.Log on to Windows XP as member of the Administrators group.
D.Log on to Windows XP by using a user account that has an Encrypting File System （EFS） certificate.

单项选择题You have a portable computer that runs Windows 7. The computer is joined to a domain. Multiple users logon to the computer. You need to prevent the computer from displaying the username of the last user whologged on. What should you do？（）

A.From Control Panel， modify the User Profiles settings.
B.From Control Panel， modify the Personalization settings.
C.From the local computer policy， add a policy template.
D.From the local computer policy， modify the local security policy.

单项选择题You have a standalone computer that runs Windows 7. Multiple users share the computer. You need toensure that you can read the content of all encrypted files on the computer.  What should you do?（）

A.Run the Certificates Enrollment wizard and then run Certutil.exe importpfx.
B.Run the Certificates Enrollment wizard and then run Certutil.exe installcert.
C.Run Cipher.exe /r and then add a data recovery agent from the local security policy.
D.Run Cipher.exe /rekey and then import a security template from the local security policy.

单项选择题You have a computer that runs Windows 7. You create an Encrypting File System (EFS) recovery key andcertificate. You need to ensure that your user account can decrypt all EFS files on the  computer.  Whatshould you do?()

A.From Credential Manager， add a Windows credential.
B.From Credential Manager， add a certificate-based credential.
C.From the local computer policy， add a data recovery agent.
D.From the local computer policy， modify the Restore files and directories setting.