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valina [46]
3 years ago
10

John has subscribed to a cloud-based service to synchronize data between his smartphone, tablet, and PC. Before allowing the dat

a to be synchronized, this service uses a process in which the cloud service and the client on the smartphone will verify the security of all devices’ security certificates.
What type of security does the cloud-base service employ?
A. Mutual authentication
B. VPN
C. IMAP
D. Tethering
Computers and Technology
1 answer:
anzhelika [568]3 years ago
8 0

Answer:

A. Mutual authentication

Explanation:

Mutual authentication also known as a two-way authentication is a process whereby devices within the network authenticate each other to verify that communication is established with legitimate parties. Mutual authentication occurs when the digital certificate or public key certificate of the client is trusted by the server and vice versa.

Before John is able to synchronize data between his smartphone, tablet, and PC, the digital certificates of all the devices have to be confirmed for security purposes. The Transport Layer Security (TLS) protocol is responsible for sending the digital certificates across devices, if a certificate already exists, the certificate with the latest timestamp is used for authentication.

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The ability of a language to let a programmer develop a program on computer system that can be run on other systems is called
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3 years ago
There are three seating categories at a stadium. Class A seats cost $20, Class B seats cost $15, and Class C seats cost $10. Wri
Westkost [7]

Answer:

Following are the program to this question:

def calculate_income(num,seat):#defining method calculate_income

   if seat=="A": #defining condition for seat a

       return num * 20 #return value

   if seat=="B": #defining condition for seat b

       return num * 15 #return value

   if seat=="C": #defining condition for seat c

       return num * 10 #return value

def show_income(a,b,c): #defining method show_Income

   sum=a+b+c # add total seats income

   print("Income for A class seats: $",a) #print value

   print("Income for B class seats: $",b) #print value

   print("Income for C class seats: $",c) #print value

   print("Total Income: $",sum) #print value

def main(): # defining main method

   a=int(input("Enter class A seats: ")) #input seats a value

   b=int(input("Enter class B seats: ")) #input seats b value

   c=int(input("Enter class C seats: ")) #input seats c value

   a_income=calculate_income(a,"A")  #call method for seat a

   b_income=calculate_income(b,"B") #call method for seat b

   c_income=calculate_income(c,"C") #call method for seat c

   show_income(a_income,b_income,c_income) # call method show_income for print all seat value

main()

Output:

Enter class A seats: 2

Enter class B seats: 3

Enter class C seats: 2

Income for A class seats: $ 40

Income for B class seats: $ 45

Income for C class seats: $ 20

Total Income: $ 105

Explanation:

The description of the above program can be described as follows:

  • In the above python program, three methods "calculate_income, show_income, and the main method" were defined.  
  • The method "calculate_income" accepts two-variable "num and seat" as the parameter, inside the method a three if block is used, that calculate all types of seat class rate and returns its value.
  • In the "show_income", we add all the seat value in the sum variable and use the print method, that prints all seat cost, and total cost.
  • In the main method, we input all seat value from user input and pass into the calculate_income method and collect all the return value, after calculating calculate_income we pass its return value into the show_income method, that prints all value.
5 0
3 years ago
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