A customer uses an IBM xSeries x366.  They experienced downtime when the NIC failed earlier this year.  Their Windows 2003 server needs to be accessible all the time， at the highest speed possible.  Two adapters are currently installed in the x366.  Which of the following is the procedure to obtain the best performance and ensure network functionality in case of NIC failure？（）

• A、Install four NICs and configure load balancing adapter teaming.
• B、Install four NICs and configure adapter failover teaming.
• C、Install seven NICs and configure load balancing adapter teaming.
• D、Install one extra NIC to team with the internal adapter and configure failover teaming.