PT0-002 Question #158: Real Exam Question with Answer & Explanation

The correct answer is A: S/MIME. For ensuring in-transit confidentiality of an emailed security assessment report, S/MIME is the appropriate protocol. S/MIME provides cryptographic security services for electronic messaging, including encryption to protect confidentiality during email transmission.

Reporting and Communication

Question

Which of the following protocols or technologies would in-transit confidentially protection for emailing the final security assessment report?

Options

AS/MIME
BFTPS
CDNSSEC
DAS2

Explanation

For ensuring in-transit confidentiality of an emailed security assessment report, S/MIME is the appropriate protocol. S/MIME provides cryptographic security services for electronic messaging, including encryption to protect confidentiality during email transmission.

Common mistakes.

B. FTPS (FTP Secure) is used for secure file transfer, not for securing email communication.
C. DNSSEC (Domain Name System Security Extensions) adds security to the DNS protocol by digitally signing DNS records to prevent spoofing, but it does not protect email confidentiality.
D. AS2 (Applicability Statement 2) is a specification for securely exchanging EDI (Electronic Data Interchange) data over the Internet, typically for business-to-business transactions, not for general email confidentiality.

Concept tested. Email security protocols - S/MIME

Reference. https://learn.microsoft.com/en-us/microsoft-365/security/defender-for-office-365/s-mime-message-encryption?view=o365-worldwide

Topics

#S/MIME#Email security#Confidentiality#Secure communication protocols

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