Which of the following is the definition of authentication?

(a) provides a stronger cryptographic result with a shorter key.
(b) the process of confirming the identity of a user. also, ensuring that a sender and recipient are who they say they are.
(c) the certificate authority’s list of invalid certificates.
(d) a protocol or an algorithm allowing two users to exchange a secret key over unsecure communications.

Amanda reiss was injured at a wedding reception at a private home. amanda tripped over a piece of rebar that was sticking from the end of one portion of a sidewalk leading to the front door. amanda's lawyer believes that the homeowners were aware of the rebar problem and that other guests to the home had tripped over it but not been injured. how can amanda's lawyer get the information about the homeowner's knowledge? a. he cannot because they are not required to talk with amanda's lawyers b. he can depose the homeowners c. he can depose others who have been guests d. both b and c

The federal crescent is shaped like what letter

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.