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polet [3.4K]
3 years ago
11

A___________is a collection of computer software, typically malicious, designed to enable access to a computer or an area of its

software that is not otherwise allowed (for example, to an unauthorized user) and often masks its existence or the existence of other software.
Computers and Technology
1 answer:
Molodets [167]3 years ago
4 0

Answer: rootkit

Explanation:

Hi, A rootkit is a collection of computer software, typically malicious, designed to enable access to a computer or an area of its software that is not otherwise allowed (for example, to an unauthorized user) and often masks its existence or the existence of other software.

A rootkit provides continued privileged access to a computer while hiding its presence. Because of this hiding characteristic it is very difficult to detect.

Once a rootkit has been installed, it allows someone to have total remote control of a computer and do things such as files executions and system changes.

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Describe and list advantages and disadvantages of each of the following backup types:
crimeas [40]

Answer:

Full back up

It creates complete copy of the source of data. This feature made it to the best  back  up with good speed of recovery of the data and  simplicity.However, because it  is needed for backing up  of  a lot of data, it is time consuming process,Besides it also  disturbs the routine application of  the technologist infrastructure. In addition large capacity storage is needed  for the  storage of  the large volume of back up with each new creation.

Incremental back up: back up work at high speed thus saves time, Little storage capacity is needed. This type of back up can be run as  many time as wished.

However, the restoration of data takes time, due to the time spent for restoration of initial back up and the incremental.

Differential Back up has very fast back up operation, because it only requires two pieces of back up.This is however slower compare to the Incremental.

The selective back up enable selection of certain type of file or folders for back up.

it can only be used to back up folders only when important data  are needed only.Thus the  storage capacity is low.

CPD eliminates back up window and reduces the recovery point objective.However, it has issue of compatibility with the resources to back up.,it is also expensive because its solutions are disk based.

Cloud based is affordable and save cost,It is easier to access. it is efficient,it can be access remotely for convenience.

However, Internet sources and some bandwidth must be available for access., always depends on third party providers,There is also problems encountered when switching providers.

Explanation:

8 0
3 years ago
Write a pyhton program to calculate area of a circle?
marta [7]

Answer:

The code to calculate the area of a circle is:

from math import pi

def circleArea(radius):

 if radius > 0:

   return pi * (radius ** 2)

 else:

   return None

if __name__ == '__main__':

 radius = 5

 print("Radius: {} Area: {}".format(radius,circleArea(radius)))

Explanation:

A detailed explanation of each line of code is given below.

#Define the number pi used to calculate the area

from math import pi

#We define a function that calculates the area of a circle

def circleArea(radius):

#Check if the radius is valid ( radius > 0) since there aren´t negative radius

 if radius > 0:

#Compute the area formula for a circle \pi * radius^{2}

   return pi * (radius ** 2)

 else:

#Return None if the radius is invalid

   return None

#Run the function we´ve defined

if __name__ == '__main__':

#Define a radius

 radius = 5

#Call the function and parse the radius through it, then print the result

 print("Radius: {} Area: {}".format(radius,circleArea(radius)))

8 0
3 years ago
Which correctly shows the configuration of boxes in the View tab that allow the indents to be changed?
den301095 [7]
The correct answer is B. Got it right on my review
4 0
3 years ago
Write an algorithm to settle the following question:
Vesnalui [34]

Answer:

<u>algorithm</u>

original = float(raw_input("Enter initial balance: "))

interest = float(raw_input("Enter promised return: "))

expenses = float(raw_input("Enter monthly expenses: "))

interest = interest / 100 / 12

month = 0

balance = original

if balance * interest - expenses >= 0:

print "You don't need to worry."

else:

while balance + balance * interest - expenses >= 0: # negation of the if condition

balance = balance + interest * balance # in one month

balance = balance - expenses

month = month + 1

print month, balance

print month / 12, "years and", month % 12, "months"

6 0
3 years ago
Develop a C# console application that will determine the gross pay for each of three employees. The company pays straight time f
I am Lyosha [343]

Answer:

The c# program for the scenario is shown.

using System;

class main {

 static void Main() {

   

// arrays to hold details of employees are declared

// double datatype is taken to accommodate all types of numerical values  

     int[] empid = new int[3];

     double[] hours = new double[3];

     double[] pay = new double[3];

     double[] pay_overtime = new double[3];

     double hrs = 40.00;

     double[] total_pay = new double[3];

     

   Console.WriteLine("Enter the details for the three employees ");

// variable declared and initialized for the loop    

   int i=0;

   while(i<3)

   {

       Console.WriteLine("Enter the id");

       empid[i] = Convert.ToInt32(Console.ReadLine());  

       

       Console.WriteLine("Enter the working hours");

       hours[i] = Double.Parse(Console.ReadLine());

       

       Console.WriteLine("Enter the hourly pay");

       pay[i] = Double.Parse(Console.ReadLine());

       pay_overtime[i] = pay[i]*1.5;

       

       i++;

       

   }

   

   Console.WriteLine("The details for the three employees ");

   // variable set to 0 to be re-used in the loop

   i=0;

   

   while(i<3)

   {

       if(hours[i] > hrs)

           total_pay[i] = ( hrs*pay[i] );

       else

           total_pay[i] = ( hours[i]*pay[i] );

       

       if(hours[i] > hrs)

           total_pay[i] = total_pay[i] + ( (hours[i]-hrs)*pay_overtime[i] );

       

       i++;

       

   }

// variable set to 0 to be re-used in the loop

   i=0;

   

   while(i<3)

   {

       Console.WriteLine("Gross pay of employee " + (i+1) + " : " + total_pay[i] );

   

       i++;

   }

   

   

 }

}  

OUTPUT

Enter the details for the three employees  

Enter the id

1

Enter the working hours

35

Enter the hourly pay

10

Enter the id

2

Enter the working hours

40

Enter the hourly pay

10

Enter the id

3

Enter the working hours

45

Enter the hourly pay

10

The details for the three employees  

Gross pay of employee 1 : 350

Gross pay of employee 2 : 400

Gross pay of employee 3 : 475  

Explanation:

The program works as described.

1. Arrays to hold each piece of information for the employee, employee number, hourly pay, overtime pay and hours worked, are declared.

2. User input is taken inside while loop to fill each array for each employee.

3. The total gross pay for each employee is calculated inside another while loop.

4. The last while loop is used to display the gross pay for each employee.

3 0
3 years ago
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