Once federal judges are confirmed by the Senate, how long may they serve in that role?

a$.)$

All federal judges serve for life and cannot be removed from office in any circumstance.

b$.)$

All federal judges serve for life unless impeached for unethical or criminal behavior.

c$.)$

All federal judges serve for life but must be reconfirmed by the Senate whenever a new president takes office.

d$.)$

Supreme Court justices serve for life while all other federal judges serve ten$-$year terms.