CompTIA Security+ Question K-27

If Organization A trusts Organization B and Organization B trusts Organization C, then Organization A trusts Organization C. Which of the following PKI concepts is this describing?

A. Transitive trust
B. Public key trust
C. Certificate authority trust
D. Domain level trust

Answer: A

Explanation:
In transitive trusts, trust between a first party and a third party flows through a second party that is trusted by both the first party and the third party.

CompTIA Security+ Question F-86

Which of the following is a control that allows a mobile application to access and manipulate information which should only be available by another application on the same mobile device (e.g. a music application posting the name of the current song playing on the device on a social media site)?

A. Co-hosted application
B. Transitive trust
C. Mutually exclusive access
D. Dual authentication

Answer: B

Explanation:
Transitive trust is a form of trust that flows from one entity to another so that if A trusts B and B trusts C, A automatically trusts C.