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anastassius [24]
3 years ago
14

You work for manufacturing company who operate a hybrid infrastructure with systems located both in a local Datacentre and in AW

S, connected via Direct Connect. Currently, all on premise servers are backed up to a local NAS, but your CTO wants you decide on the best way to store copies of these backups in AWS. He has asked you to propose a solution which will provide access to the files within milliseconds should they be needed, but at the same time minimizes cost. As these files will be copies of backups stored on-premise, availability is not as critical as durability. Choose the best option from the following which meets the brief.
Copy the files from the NAS to an S3 bucket configured as Standard class.
Copy the files to an EC2 instance with a large EBS volume attached.
Copy the files from the NAS to an S3 bucket with the Reduced Redundancy Storage class.
Copy the files from the NAS to an S3 bucket with the One Zone-IA class
Computers and Technology
1 answer:
kotegsom [21]3 years ago
8 0

Answer: Copy the files from the NAS to an S3 bucket with the One Zone-IA class

Explanation:

Th one Zone -IA class with S3 bucket has reduced cost but offers the same durability for which the files needs to be copied from NAS to access them faster.

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The mathematical constant Pi is an irrational number with value approximately 3.1415928... The precise value of this constant ca
tatiyna

Answer:

I am writing a Python program:

def approxPIsquared(error):

   previous = 8

   new_sum =0

   num = 3

   while (True):

       new_sum = (previous + (8 / (num ** 2)))

       if (new_sum - previous <= error):

           return new_sum

       previous = new_sum

       num+=2    

print(approxPIsquared(0.0001))

Explanation:

I will explain the above function line by line.

def approxPIsquared(error):  

This is the function definition of approxPlsSquared() method that takes error as its parameter and approximates constant Pi to within error.

previous = 8     new_sum =0      num = 3

These are variables. According to this formula:

Pi^2 = 8+8/3^2+8/5^2+8/7^2+8/9^2+...

Value of previous is set to 8 as the first value in the above formula is 8. previous holds the value of the previous sum when the sum is taken term by term. Value of new_sum is initialized to 0 because this variable holds the new value of the sum term by term. num is set to 3 to set the number in the denominator. If you see the 2nd term in above formula 8/3^2, here num = 3. At every iteration this value is incremented by 2 to add 2 to the denominator number just as the above formula has 5, 7 and 9 in denominator.

while (True):  This while loop keeps repeating itself and calculates the sum of the series term by term, until the difference between the value of new_sum and the previous is less than error. (error value is specified as input).

new_sum = (previous + (8 / (num ** 2)))  This statement represents the above given formula. The result of the sum is stored in new_sum at every iteration. Here ** represents num to the power 2 or you can say square of value of num.

if (new_sum - previous <= error):  This if condition checks if the difference between the new and previous sum is less than error. If this condition evaluates to true then the value of new_sum is returned. Otherwise continue computing the, sum term by term.

return new_sum  returns the value of new_sum when above IF condition evaluates to true

previous = new_sum  This statement sets the computed value of new_sum to the previous.

For example if the value of error is 0.0001 and  previous= 8 and new_sum contains the sum of a new term i.e. the sum of 8+8/3^2 = 8.88888... Then IF condition checks if the

new_sum-previous <= error

8.888888 - 8 = 0.8888888

This statement does not evaluate to true because 0.8888888... is not less than or equal to 0.0001

So return new_sum statement will not execute.

previous = new_sum statement executes and now value of precious becomes 8.888888...

Next   num+=2  statement executes which adds 2 to the value of num. The value of num was 3 and now it becomes 3+2 = 5.

After this while loop execute again computing the sum of next term using       new_sum = (previous + (8 / (num ** 2)))  

new_sum = 8.888888.. + (8/(5**2)))

This process goes on until the difference between the new_sum and the previous is less than error.

screenshot of the program and its output is attached.

6 0
3 years ago
 A programming paradigm is a method used to program a computer that guides the solving of a problem or performing of a task. Whi
kaheart [24]

The one that best describes the procedural or imperative, programming paradigm as it uses a linear, top-down approach to solving problems. The correct option is D.

<h3>What is a linear approach?</h3>

It describes a method of programming where an application is created by first defining at a high level what it should be able to accomplish, then breaking that down into smaller and smaller sections.

Without going into specifics about any of the system's components, the top-down model presents an overview of the whole. The definition is then progressively improved, detailing each element in more detail until it is complete enough to validate the model.

Therefore, the correct option is D. It uses a linear, top-down approach to solving problems.

To learn more about programming paradigm, refer to the link:

brainly.com/question/17150647

#SPJ1

8 0
1 year ago
As time goes on, technology is likely to _______. A. Increase in complexity b. Decrease in complexity c. Stay at the same comple
amid [387]

Answer:

The answer to this question is the option "A".

Explanation:

In this question, the answer is Increase in complexity because, In computer science, the computerized or simply complexity is an algorithm. In this algorithm, the number of the resource is required for moving it (a quality separate to “complexity” in a conventional reason). So in this question the answer is option A that is  Increase in complexity.

5 0
3 years ago
What type of firestopping technology expands as much as 25 times in volume?
love history [14]
The answer is Intumescent. I am pretty sure this is right.
7 0
3 years ago
Submit your 400-word essay that analyzes and evaluates three different examples of digital media. need some help
Vlada [557]

Answer:

Essay that analyzes and evaluates three different examples of digital media is described below in complete detail.

Explanation:

The 3 Types of Digital Media

  1. Owned Media
  2. Paid Media
  3. Earned Media
  • Owned media is what your label owns and manages. It doesn’t mean that you certainly own the program, but your corporation regulates the respective tales through which they publish their content about assistance and products.  
  • Paid media is considered attractive, and we’re all knowledgeable of it. It includes all marketing ways that a brand spends to get viewers. Here you spend a third-party program with specs on what you want.
  • Earned media is anything, whether content or remark, that stretches from another entity to help your brand. While most of it is optional, some expect you to contribute a substantial amount.

4 0
2 years ago
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