Answer:
I think the answer is network
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have a good day :)
Explanation:
IP Multimedia Subsystem<span> or </span>IP Multimedia<span> Core Network </span>Subsystem<span> (</span>IMS) is the term that refers and describes<span> an architectural framework for delivering IP multimedia services.
</span>IMS is a standards-based architectural framework <span> defined by the 3rd Generation Partnership Project (3GPP) </span>for delivering multimedia<span> communications </span>services such as voice, video and text .
Answer: D)It relies on two independent proofs of identity.
Explanation: Two factor authentication is technique which uses two steps/stage for the verification or authentication.It is done for the extra security maintenance.IT is also known as 2FA. It consist of two different authentication component so that it penetrates through double protection layer .
Other options are incorrect because It RSA public key cannot be used for the authentication of private content. It does not use both hand geometry at same time for both the levels and It does not utilize only single sign-on technology. Thus, the correct option is option(D).
