An acoustics experiment is conducted using an unmarked cylindrical air column and an adjustable audio generator. As the generator frequency is slowly increased from \(300\text{ Hz}\) to \(700\text{ Hz}\), the air column resonates at exactly two frequencies: \(425\text{ Hz}\) and \(595\text{ Hz}\). The speed of sound in the air column is \(340\text{ m/s}\). Which of the following correctly identifies the boundary conditions of the tube and the length of the tube?