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vovangra [49]
2 years ago
14

There are 5 participants in a Symmetric Key system and they all wish to communicate with each other in a secure fashion using Sy

mmetric Keys without compromising security. What's the minimum number of Symmetric Keys needed for this scenario keeping in mind that each pair of participants uses a different key
Computers and Technology
1 answer:
sergejj [24]2 years ago
3 0

Answer:

10 keys.

Explanation:

There are 5*4/2 = 10 pairs in a group of 5. You need that many keys.

Every member of the group will have 4 keys.

If you draw 5 dots on a piece of paper and connect each one with a line, you'll be drawing 10 lines. Each line needs a key.

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The answer to your question is The grade of a metric bolt is designated by the number stamped on the head of the bolt.
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3 years ago
Sites like Zillow get input about house prices from a database and provide nice summaries for readers. Write a program with two
Alexeev081 [22]

Answer:

In Python:

cprice= int(input("Current price: "))

lmonth= int(input("Last month's price: "))

print("This house is $"+str(cprice))

print("The change is $"+str(cprice-lmonth)+" since last month")

print("The current mortage $"+str((cprice * 0.051) / 12)+" since last month")

Explanation:

Get current price

cprice= int(input("Current price: "))

Get last month's price

lmonth= int(input("Last month's price: "))

Print the current price

print("This house is $"+str(cprice))

Print the change

print("The change is $"+str(cprice-lmonth)+" since last month")

Print the mortgage

print("The current mortage $"+str((cprice * 0.051) / 12)+" since last month")

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3 years ago
An online supermarket wants to update its item rates during the sales season. They want to show the earlier rates too but with a
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Cheaper elements gives a strike through appearence
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You're a ticket agent for a commercial airline and responsible for checking the identification for each passenger before issuing
algol13

Answer:

Follows are the code to this question:

import java.util.*;//import package for user input  

public class Main //defining class  

{

  public static void main(String[] as)//main method

  {

      boolean x,y,z;//defining boolean variable

      Scanner ox= new Scanner(System.in);//create Scanner class object for user input

      System.out.println("input value: "); //print message  

      x=ox.nextBoolean();//input value

      y=ox.nextBoolean();//input value

      z=ox.nextBoolean();//input value

      System.out.println("Output: ");//print message

      System.out.println(x || (y &&z));//use print method to check value and print its value  

  }

}

Output:

1)

input value:  

true

false

false

Output:  

true

2)

input value:  

false

true

true

Output:  

true

3)

input value:  

false

false

false

Output:  

false

Explanation:

In the given code, inside the class three boolean variable "x,y, and z" is declared, that uses the scanner class for input the value from the user end, and in the next print, the method is declared, that uses " OR and AND" gate for calculating the input value and print its value.

In the AND gate, when both conditions are true. it will print the value true, and in the OR gate, when one of the conditions is true, it will print the value true.  

3 0
3 years ago
The ___________ button represents the start of a hyperlink in Table of contents.
zubka84 [21]

Answer:

An LS button

Explanation:

It appears on the (structure line 3)on the structure line, place your cursor in the <u>whi</u><u>te</u> field to the right of the E button (Recall that the E button represent the entry test).

3 0
3 years ago
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