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Goryan [66]
3 years ago
9

A virtual private network (VPN) is used to securely connect to another network over a insecure network.

Computers and Technology
2 answers:
andrew11 [14]3 years ago
6 0

Answer:

The answer is True.

Explanation:

<em>A Virtual Private Network is a type of network that allows computers and other devices to communicate with each other using encrypted connection over vulnerable or insecure network like the internet or public connections. The reason why it is secured because it used protocols or rules which every data is encrypted during its travel on the network. (Example: Upon sending, it is wrapped in codes, and upon receiving of the packets of data, a code must be provided to be able to download it). This is how the security of VPN works. Normally, companies are implementing this type of network to prevent unauthorized access or users to get their information.</em>

saul85 [17]3 years ago
3 0

Answer: True

Explanation:

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import numpy as np

import matplotlib.pyplot as plt

def calculate_pi(x,y):

   points_in_circle=0

   for i in range(len(x)):

       if np.sqrt(x[i]**2+y[i]**2)<=1:

           points_in_circle+=1

       pi_value=4*points_in_circle/len(x)

       return pi_value

length=np.power(10,6)

x=np.random.rand(length)

y=np.random.rand(length)

pi=np.zeros(7)

sample_size=np.zeros(7)

for i in range(len(pi)):

   xs=x[:np.power(10,i)]

   ys=y[:np.power(10,i)]

   sample_size[i]=len(xs)

   pi_value=calculate_pi(xs,ys)

   pi[i]=pi_value

 

print("The value of pi at different sample size is")

print(pi)

plt.plot(sample_size,np.abs(pi-np.pi))

plt.xscale('log')

plt.yscale('log')

plt.xlabel('sample size')

plt.ylabel('absolute error')

plt.title('Error Vs Sample Size')

plt.show()

Explanation:

The python program gets the sample size of circles and the areas and returns a plot of one against the other as a line plot. The numpy package is used to mathematically create the circle samples as a series of random numbers while matplotlib's pyplot is used to plot for the visual statistics of the features of the samples.

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