For the purpose of the exam, one needs to be very clear on all the available choices within cryptography, because different steps and algorithms provide different types of security services:
A message can be encrypted, which provides confidentiality.
A message can be digitally signed, which provides authentication, nonrepudiation, and integrity.
A message can be hashed, which provides integrity.
A message can be encrypted and digitally signed, which provides confidentiality, authentication, nonrepudiation, and integrity.
The following answers are incorrect:
Confidentiality and Authentication
Confidentiality and Non-repudiation
Confidentiality and Integrity
The following reference(s) were/was used to create this question:
Harris, Shon (2012-10-18). CISSP All-in-One Exam Guide, 6th Edition (pp. 829-830).
McGraw-Hill . Kindle Edition.