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ziro4ka [17]
3 years ago
7

What is a digital certificate? Select one: a. It is a means of establishing the validity of an offer from a person, entity, web

site, or email. b. It is a centralized directory wherein registered keys are created and stored. c. It is a means of establishing your credentials electronically when doing business or other transactions on the Web. d. It is an entity that generates electronic credentials and distributes them upon proving their identity sufficiently.
Computers and Technology
1 answer:
a_sh-v [17]3 years ago
8 0

Option D is the answer because Digital Certificate is an entity that generates electronic and distributes them upon proving their identity sufficiently. In early days there was issues with people using the certificates that were not even issued by the organizations. Today it's a cryptographic technique which uses digital signatures and gives users a digital certificate that can be authenticated anytime online by any organization and is unique for every user having it.

Option A cannot be the answer because it has nothing to do with the identity of person but rather it is for specific fields.

Option B is not answer because it has no key and score matter to do with it.

Option C Web transactions has nothing to do with the certificates.

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Write a program that reads a person's first and last names separated by a space, assuming the first and last names are both sing
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<em>Complete Question:</em>

<em>Write a program that reads a person's first and last names, separated by a space. Then the program outputs last name, comma, first name. End with newline.  </em>

<em>Example output if the input is: Maya Jones </em>

<em>Jones, Maya</em>

<em></em>

<em>In C++</em>

<em></em>

Answer:

The program written in C++ is as follows

<em>#include<iostream></em>

<em>using namespace std;</em>

<em>int main(){</em>

<em>string lname, fname;</em>

<em>cout<<"First name: ";</em>

<em>cin>>fname;</em>

<em>cout<<"Last name: ";</em>

<em>cin>>lname;</em>

<em>cout<<lname<<", "<<fname;</em>

<em>return 0;</em>

<em>}</em>

<em />

Explanation:

This line declares lname, fname as string to get the user's last name and first name, respectively

<em>string lname, fname;</em>

This line prompts the user for first name

<em>cout<<"First name: ";</em>

This line gets the user first name

<em>cin>>fname;</em>

This line prompts the user for last name

<em>cout<<"Last name: ";</em>

This line gets the user last name

<em>cin>>lname;</em>

This line prints the desired output

<em>cout<<lname<<", "<<fname;</em>

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