becoming a certified information security auditor takes quite a bit of preparation, as passing the cisa exam is a difficult task for even the most prepared candidate.

How would the previous sentence be correctly capitalized?
Answer: Becoming a Certified Information Security Auditor takes quite a bit of preparation, as passing the CISA exam is a difficult task for even the most prepared candidate.
he is a good leader [23.5%]

How would the previous sentence be correctly capitalized?
Answer: He is a good leader [23.5%]
but when those caretakers feel like extended family themselves, it’s a win-win for everyone.

How would the previous sentence be correctly capitalized?
Answer: But when those caretakers feel like extended family themselves, it’s a win-win for everyone.
"that certainly is remarkable!" said the noble family.

How would the previous sentence be correctly capitalized?
Answer: "That certainly is remarkable!" said the noble family.