" Style="vertical-Align: 0px;" Width="432px" Height="190px in the Table Above, What

$$\begin{array} { | c | l | } \hline \text { Type of Staff } & \text { Technology support areas } \\\hline { \text { A } } & \text { Wide area network access } \\ & \text { Local area network access } \\& \text { E-mail access } \\& \text { Data backup and restoring data } \\ & \text { Access for telecommuters } \\ & \text { Access for mobile workers } \\\hline { \text { B } } & \text { Functioning of enterprise applications } \\& \text { Functioning of department-specific applications } \\\hline \text { C } & \text { Maintenance of systems security } \\\hline { \text { D } } & \begin{array} { l } \text { Functioning e-commerce applications, including Web servers, } \\\text { EDI applications, and supply-chain systems }\end{array} \\\hline\end{array}$$ " style="vertical-align: 0px;" width="432px" height="190px In the table above, what type of staff does D represent?

A) Network management
B) Data center operations
C) IT security
D) E-commerce