The president nominates a candidate to a cabinet post, but the senators strongly disagree over whether to approve the candidate. One group of senators engages in a filibuster in an effort to prevent the nomination from being confirmed. Which of the following maneuvers can be used to end the filibuster?

The Senate can invoke cloture to limit debate and proceed to a floor vote.
The Senate can ignore dissent and approve the candidate without a floor vote.
The Senate can block all candidates from being recommended until the vote occurs.
The Senate can designate a conference committee to negotiate the disagreement.