A score can be detrimental. When an element has a score below zero, it means, that the sequences up to this point have no correlations, that are set to zero and its effects the previous alignment is excluded. Thus, alignment can be further found in every position later in the calculation. and other options are incorrect that can be described as follows:
In option b, In this option the score can be negative, that's why we can't set its value.
In option c, The first row and column must contain some value it can't be 0, that's why it is not correct.
In option d, It will start with a lower score and ends with a higher score, that's why it is not correct.
The correct word here is BANDWIDTH. Bandwidth refers to the quantity of information that a connection to the internet can handle in a given time. For digital devices, the unit of bandwidth is bytes per second. For analog devices it is expressed as cycle per second or Hertz.