You have a server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）. 
Server1 runs an application named App1. All client computers run Windows XP Professional Service Pack 3 （SP3）. Users from a remote network segment report poor performance when they run App1. You need to identify whether the cause of the poor network performance is packet loss. 
Which tool should you use？（）

Your network consists of two subnets named Subnet1 and Subnet2. You have a server named Server1 that runs Windows Sever 2003 Service Pack 2 （SP2）. Server1 is located on Subnet1. Users from Subnet1 report poor performance when they connect to Server1. Users from Subnet2 report that they are unable to connect to Server1. You monitor both network segments and discover a large number of NetBIOS broadcasts on both network segments.You need to reduce the number of broadcasts on the network.
What should you deploy？（）