[单选]

You are working as a network technician， study the exhibit carefully. Your boss has informed youthat there have been problems with the WAN that is using EIGRP routing protocol. You arerequired to troubleshoot these problems.
Before going to the questions of this sim， we should have a quick review about GRE tunneling：GRE Quick Summary.
The picture below shows how to configure a GRE Tunnel between two routers， notice that the"tunnel destination" must be the IP address of the interface， not of the opposite tunnel.

Notice： The tunnel source on one router must be specified as the tunnel destination on the otherrouter.
Below are the questions of this lab-sim.
For the following statements， what is preventing a successful ping between the HQ router and the192.168.1.10 interface on the Branch3 router？（）

16PF Your company has 10 servers that run windows server 2008. The servers have RDP enabled for server administration. RDP is configured to use default security settings. All administrators computers run widows vista. You need to ensure the RDP connections are as secure as possible. Which two actions should you perform? （） Set the security layer for each server to the RDP security layer.。 Configure the firewall on each server to block port 3389.。 Acquire user certificates from the internal certificate authority.。 Configure each server to allow connections only to remote desktop client computers that use network level authentication.。 You work in a company which uses SQL Server 2008. You are the administrator of the company database. In your company there is a server which contains a default SQL Server 2005 instance. For a new application, you have to install a SQL Server 2008 instance on the server. Your company CIO assigns a task to you. You must make sure that the respective certified third-party applications have access to both database instances. You have to achieve this goal without changing the existing application environments. So what should you do to achieve this by using as little database administrative effort as possible?（） You should install SQL Server 2008 as a named instance, and make the new application to use the new instance. 。 You should install SQL Server 2008 as the default instance, and make the new application to use the default instance. 。 You should upgrade the SQL Server 2005 application to use SQL Server 2008. 。 You should upgrade the SQL Server 2005 instance to a SQL Server 2008 instance.&e。 WTO与GATT之间的区别（） WTO是永久性的正式的国际组织，具有法律人格。 WTO调整的经贸关系领域远宽于GATT。 WTO是统一的多边贸易管理机构要求一揽子接受。 WTO具有健全的机构体系和更广泛的代表性。 表面特质

You are working as a network technician， study the exhibit carefully. Your boss has informed youthat there have been problems with the WAN that is using EIGRP routing protocol. You arerequired to troubleshoot these problems.
Before going to the questions of this sim， we should have a quick review about GRE tunneling：GRE Quick Summary.
The picture below shows how to configure a GRE Tunnel between two routers， notice that the"tunnel destination" must be the IP address of the interface， not of the opposite tunnel.

Notice： The tunnel source on one router must be specified as the tunnel destination on the otherrouter.
Below are the questions of this lab-sim.
For the following statements， what is preventing a successful ping between the HQ router and the192.168.1.10 interface on the Branch3 router？（）