Digital subscriber lines: a. are very-high-speed data lines typically leased from long-distance telephone companies. b. operate over existing telephone lines to carry voice, data, and video. have up to twenty-four 64-Kbps channels. c. are assigned to every computer on the Internet. d. operate over coaxial cable lines to deliver Internet access.

answer

option a)the former is primarily for third party access to data

.is the correct answer.

key escrow can be characterized as course of action in which the keys expected to break   data are held bonded for some   circumstances and an approved outsider may access those keys.  

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answer; i believe the answer is tls,transport layer security;

answerrandom access memory (ram);