Recently traffic to the company web server has more than doubled， resulting in slower response times from the server.  An administrator has decided to add a second， identical 10/100/1000 NIC to the server.  The server is presently connected to a 10/100/1000 switch， with four open ports on the switch.  Which of the following is the BEST solution to speed up web traffic？（）

• A、Free up more ports on the switch
• B、Enable server load balancing
• C、Move the second network adapter to a new subnet
• D、Enable network adapter teaming