Reuters What you need to know confirming Trump's cabinet By Tom McCarthy Share this panel Twenty-one cabinet nominees chosen by Donald Trump must be confirmed by the Senate Getty Images Share this panel The cabinet is made up of the president's most powerful advisers, including the secretaries of defense, state and treasury Share this panel Cabinet confirmation is a major test for any new president – a promising sign if it goes well, and an embarrassment, at least, if not Share this panel The current Republican majority of 52 Senate seats is great for Trump. Cabinet confirmation requires a simple majority of 51 votes Jan Diehm Share this panel Each nominee must sit for questions before a Senate committee before his or her confirmation vote CQ-Roll Call,Inc. Share this panel The grilling can be intense – and it's possible that Republican defections could thwart one or more of Trump's nominees Share this panel But most of them are expected to skate through – with the possible exception of secretary of state nominee Rex Tillerson Getty Images Share this panel The former ExxonMobil CEO may face questions about his perceived close ties to Russian president Vladimir Putin AFP/Getty Images Share this panel Hearings start on Tuesday and the first confirmations are expected shortly after the inauguration Share this panel Some cabinet-level positions – including controversial appointments – do not require Senate confirmation Getty Images Share this panel These folks, including chief strategist Steve Bannon and national security adviser Michael Flynn, are already White House-bound Getty Images for SiriusXM Now you're up to speed on confirming Trump's cabinet return to what you were reading… …or here's some further reading Trump's cabinet picks: here are all of the appointments so far Jeff Sessions confirmation hearing for attorney general: the key points