You work as a network administrator for Tech Perfect Inc. The company has a 100Mbps TCP/Ipbased
Windows Server 2003 network. The network is shown in the image below:

The company wants to upgrade the network to a gigabit network. Which of the following steps will
you take FIRST to accomplish the task?

A.
Replace the T1 connection with T3 connection.

B.
Replace the router with bridge.

C.
Upgrade servers running Windows Server 2003 to Windows Server 2008.

D.
Change the CAT 5 cable to a CAT 6 cable.