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jonny [76]
3 years ago
6

How does the use of cloud computing affect the scalability of a data warehouse? a. Cloud vendors are mostly based overseas where

the cost of labor is low. b. Cloud computing vendors bring as much hardware as needed to users' offices. c. Hardware resources are dynamically allocated as use increases. d. Cloud computing has little effect on a data warehouse's scalability.
Computers and Technology
1 answer:
zhenek [66]3 years ago
4 0

Answer:

C. Hardware resources are dynamically allocated as use increases.

Explanation:

Cloud computing is a technique organisations to store and retrieve resources in a remote central database with secure access over the internet. It is able to access large data storage resources that would have cost more if they had implemented one for themselves.

A database or data centre is a online group of servers that is in a subscribed service to authorised users. Storage hardware allocation is dynamic to users, which means that another storage location in issued on every duration of subscription, making it easy to add more storage infrastructure. This defines the scalability of data centres.

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Answer:

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Explanation:

The Reference type variable is such type of variable in C# that holds the reference of memory address instead of value. Examples for reference type are classes, interfaces, delegates and arrays.

We can pass parameters to the method by reference using <em>ref </em>keyword

It’s mandatory to initialize the variable value before we pass it as an argument to the method in c#

For example,

int x = 10;  // Variable need to be initialized

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If you pass parameters by reference in method definition, any changes made to it affect the other variable in method call.

Here's a sample program:

using System;

namespace ConsoleApplication

{

   public class Test

   {

       public static void Main()

       {

           int i = 10;

           Console.WriteLine("i=" + i);

           Add(ref i);

           Console.WriteLine("i=" + i);

           Console.ReadLine();

       }

       public static void Add( ref int j)

       {

           j = j + 10;

           Console.WriteLine("j="+j);

       }

   }

}

Output:

i=10

j=20

i=20

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