Which protocol provides authentication, integrity, and confidentiality services and is a type of VPN? Posted on November 23, 2020 by Admin Last Updated on November 23, 2020 by Admin Which protocol provides authentication, integrity, and confidentiality services and is a type of VPN? IPsec ESP MD5 AES For more question and answers: Click Here CCNA3 v7 – ENSA Final Exam Answers Full 100%