心肌兴奋-收缩耦联的关键物质是______，强心苷能增加兴奋时心肌细胞内的______量，发挥正性肌力作用。

er Backup feature is installed on Server1.Server1 fails. You install a new server named Server2 that runs Windows Server 2008 R2.You need to restore the company¯ Windows SharePoint Services (WSS) site to Server2.What should you do？（）

A. Use Wbadmin to restore the system state from backup.

B. Run Wbadmin with the Get Versions option. Install WSS.

C. Run Wbadmin with the Start Recovery option. Install WSS.

D. Use Wbadmin to restore the application and the sites from backup.

amed Server1 that runs Windows Server Update Services (WSUS) 3.0.Server1 is the only WSUS server in the company.You plan to deploy WSUS 3.0 on a server named Server2 in the branch office.You need to configure WSUS on Server2 to meet the following requirements:·Receive update approvals from Server1.·Prevent the modification of update approvals on Server2.·Allow administrators to monitor updates, monitor computer status, and configure a synchronization schedule onServer2.How should you configure Server2？ （）

A. to use a proxy server

B. as a replica of Server1

C. as a stand-alone WSUS 3.0 server

D. as an autonomous downstream server

amed Server1 that runs Windows Server Update Services (WSUS)3.0. Server1 is the only WSUS server in the company.You plan to deploy WSUS 3.0 on a server named Server2 in the branch office.You need to configure WSUS on Server2 to meet the following requirements:·Receive update approvals from Server1.·Prevent the modification of update approvals on Server2.·Allow administrators to monitor updates, monitor computer status, and configure a synchronizationschedule on Server2.How should you configure Server2？ （）

A. to use a proxy server

B. as a replica of Server1

C. as a stand-alone WSUS 3.0 server

D. as an autonomous downstream server

Your network contains a Windows Server Update Services (WSUS) Server infrastructure that has three servers named WSUS1, WSUS2, and WSUS3. WSUS2 is a downstream replica server of WSUS1.WSUS3 is a downstream replica server of WSUS2.You need to ensure that the Update Services console on WSUS2 only displays computers that receive updates from WSUS2.What should you configure on WSUS2？（）

A. downstream servers

B. Personalization

C. reporting rollup

D. synchronizations

Your network contains a Windows Server Update Services (WSUS) server named Server1. Server1 provides updates to client computers in two sites named Site1 and Site2. A WSUS computer group named Group1 is configured for automatic approval.You need to ensure that new client computers in Site2 are automatically added to Group1.Which two actions should you perform？（）

A. Create a new automatic approval update rule.

B. Modify the Computers Options in the Update Services console.

C. Modify the Automatic Approvals options in the Update Services console.

D. Configure a Group Policy object (GPO) that enables client-side targeting.

Your company has an Active Directory Domain Services (AD DS) domain that runs at the Windows Server 2008 functional level. All domain controllers run Windows Server 2008 R2 (Core Installation).You have a Remote Desktop Services infrastructure that includes a Remote Desktop Connection Broker (RD Connection Broker) server and aRemote Desktop Session Host (RD Session Host) server in redirection mode .You configure a virtual machine (VM) as a personal virtual desktop for an employee. The Personal Virtual Desktop tab is not visible when you display the properties of the employee is user account.You need to assign a personal virtual desktop to the user account.What should you do？（）

A.Run the Configure Virtual Desktops Wizard.

B.Raise the domain functional level to Windows Server 2008 R2.

C.Configure a virtual desktop pool on the RD Connection Broker server. Add the VM to the pool.

D.Use the Active Directory Users and Computers console on a server that runs Windows Server 2008 R2.

Your company has an Active Directory Domain Services (AD DS) domain that runs at the Windows Server 2008 functional level. All servers run Windows Server 2008 R2. All client computers run Windows XP Professional. You use the Key Management Service (KMS) to manage your volume license activations. All servers have been activated by using KMS.You deploy 20 Windows 7 virtual desktops. The virtual desktop operating systems do not activate.You need to ensure that the virtual desktops activate by using KMS.What should you do？（）

A.Deploy five more virtual desktops.

B.Run slmgr.vbs with the - ato parameter.

C.Use the Volume Activation Management Tool (VAMT).

D.Raise the domain f unctional level to Windows Server 2008 R2.

Your company has an Active Directory Domain Services (AD DS) domain that runs at the Windows Server 2008 functional level. All domain controllers run Windows Server 2008 R2 (Core Installation).You h ave a Remote Desktop Services infrastructure that includes a Remote Desktop Connection Broker (RD Connection Broker) server and aRemote Desktop Session Host (RD Session Host) server in redirection mode.You configure a virtual machine (VM) as a personal v irtual desktop for an employee. The Personal Virtual Desktop tab is not visible when you display the properties of the employee is user account.You need to assign a personal virtual desktop to the user account.What should you do？（）

A.Run the Configure Virtu al Desktops Wizard.

B.Raise the domain functional level to Windows Server 2008 R2.

C.Configure a virtual desktop pool on the RD Connection Broker server. Add the VM to the pool.

D.Use the Active Directory Users and Computers console on a server that runs W indows Server 2008 R2.

er Backup feature is installed on Server1.Server1 fails. You install a new server named Server2 that runs Windows Server 2008 R2.You need to restore the companys Windows SharePoint Services (WSS) site to Server2.What should you do？（）

A. Use Wbadmin to restore the system state from backup.

B. Run Wbadmin with the Get Versions option. Install WSS.

C. Run Wbadmin with the Start Recovery option. Install WSS.

D. Use Wbadmin to restore the application and the sites from backup.

ervices server role is installed on SRV1.The company wants to centralize printing on SRV1 for both UNIX and Windows users.You need to provide support to the UNIX users who print on SRV1.What are two possible ways to achieve this goal？（）

A. Install the Internet Printing role service on SRV1.

B. Install the Line Printer Daemon (LPD) Services role service on SRV1.

C. Configure the printers on SRV1 to use Line Printer Remote printing.

D. Install the File Services server role on SRV1 and activate the Services for Network File System role service.