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ziro4ka [17]
4 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]4 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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2. Write a program with a function that accepts a string as an argument and returns a copy of the string with the first characte
Oduvanchick [21]

Answer:

Following are the code to this question:

def capital(val):#defining a method that takes string value as parameter

   x=True#defining boolean variable

   r=''#defining string variable  

   for i in val:#defining loop to convert the first character into upper case

       if i.isalpha() and x:#defining condition to check input value is string

           r=r+i.upper()#change value into uppercase and hold value in r variable

           x=False#assign value false in boolean variable

       elif i=='.' or i=='?' or i=='!':#check symbols

           r=r+i#add value in r variable

           x=True#assign value True in boolean variable

       else:

           r=r+i#add all value in r variable

   return r#return r variable value

val=input()#input value in val variable

print(capital(val))#called the function which print the return value

Output:

please find the attachment.

Explanation:

  • In the above python program, a method "capital" is declared, which accepts a "val" a string value in its parameter, and inside the method one boolean "x" and one string "r" variable is used, in which r stores return value.
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  • In the next step, elif block is defined that adds value in r variable and at the last, it will return function value, at the last step "val" variable is declared that input value from the user and pass into the method and print its return value.

4 0
3 years ago
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