When a server utilizes 100 percent of its network bandwidth, what is the most logical modification?

When a server is utilizing 100 percent of its network bandwidth, the most logical modification would be to install a second network adapter. This approach directly addresses the bandwidth limitation by increasing the total available network capacity. By adding an additional network adapter, the server can distribute its traffic load across multiple interfaces, effectively doubling (or more, depending on the configuration) the available bandwidth if both adapters are properly integrated and utilized.

This modification allows for better handling of network traffic, improves overall performance, and can even enhance redundancy in the network connection, leading to increased reliability. It is a straightforward method of scaling up network performance in environments where high bandwidth is required, such as data centers or during peak usage periods.

Other choices, such as adding memory or installing a second processor, may improve the server's performance in processing tasks or running applications, but they do not directly address the issue of network bandwidth saturation. Updating the network adapter's firmware could potentially enhance the performance or reliability of the existing adapter but won’t increase the total throughput if the existing network interface is already at capacity.