Answer:
Option B i.e, T1.
Explanation:
The T1 seems to be the licensed electronic transmission connection efficient for delivering the following bits each sec. T1 lines are required to transmit that server information of such an organization to both the Web or to link to such an ISP.
- Option A is incorrect because their transmission is different as compared to the T1.
- Option C is incorrect because consumers are equipped with a high rates broadband link from such a mobile wall socket over an installed telecommunications line.
- Option D is incorrect because it seems to be a circuit-switched telecommunications line infrastructure that communicates both information as well as voice across a wire cable.
The recommended secure protocol for voice and video applications is the Secure<span> Real-time Transport </span>Protocol<span> (SRTP) protocol. SRTP is a Real-time Transport </span>Protocol (RTP) profile used to to provide encryption, message authentication and integrity.
The default cipher of SRTP is the Advanced Encryption Standard<span> (AES) .</span>
Answer: A user authentication
It should be true, hopefully I’m right
