__________ are a part of big data analytics that allow a company the opportunity to analyze location data from mobile phones of employees.

According to the Control of Hazardous Energy (Lockout/Tagout) standard set forth by the Occupational Safety and Health Administration (OSHA), it is the employer's duty to put in place measures to prevent illegal removal of lockout devices.

Employers must implement measures to stop the unintended release of hazardous energy while servicing or maintaining machinery or equipment in accordance with OSHA's Lockout/Tagout regulation. To prevent the machinery or equipment from being triggered during maintenance or service activities, these processes must include lockout mechanisms.

All personnel who use machinery or equipment that is subject to the Lockout/Tagout standard must abide by these procedures, and it is the employer's responsibility to make sure that this happens. This entails putting in place processes to stop unauthorized removal of lockout devices, as well as training and oversight to make sure that staff members are aware of and adhere to the procedures.

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Functional security requirements are security services that the system under review must provide.

Examples include server clustering, backup, authorization, and authentication. It is possible to extract this demand artifact from best practices, rules, and regulations. The functional behavior that ensures security is described by functional security requirements. Functional needs can be tested and seen in action. Functional requirements include those that deal with data integrity, access control, authentication, and erroneous password lockouts. While non-functional requirements describe the system's performance goals, functional requirements specify how the system must function.  It is possible to extract this demand artifact from best practices, rules, and regulations.

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The error "Your PHP installation appears to be missing the Mysql extension which is required by Wordpress" is appear because the PHP code in your site is not compatible with the version of PHP in your site currently using.

PHP is a general purpose scripting language geared towards web development. The PHP reference implementation is currently produced by The PHP Group. PHP originally stood for Personal Home, but now it stands for the acronym PHP: Hypertext Preprocessor.

PHP code is typically handled on a web server using a PHP interpreter implemented as a Common Gateway Interface (CGI) module, daemon, or executable. On a web server, the result of the interpreted and executed PHP code – which may be any type of data, such as generated HTML or binary image data – would form the whole or part of an HTTP response.

There are many web form systems, web content management systems, and web frameworks that can be used to organize or facilitate this response generation. Additionally, PHP can be used for many programming tasks outside of the web context, such as standalone graphical applications and robotic drone control. PHP code can also be executed directly from the command line.

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the above statement is an error statement, a good question should be: "what does the error command 'Your php installation appears to be missing the mysql extension which is required by wordpress.?' mean"

The problem is that the administrator is trying to configure the switch without enabling privileged EXEC mode first. The error message is indicating that the configuration cannot be done without first entering privileged EXEC mode.

When configuring a switch, it is important to ensure that privileged EXEC mode is enabled before making any changes. This mode is necessary in order to have the necessary access and privileges to make changes to the switch. Enabling privileged EXEC mode allows the administrator to make changes to the switch that are not available in user EXEC mode.

One of the benefits of enabling privileged EXEC mode is that it provides the administrator with the highest level of access and control over the switch. By having the highest level of access, the administrator can configure the switch to their specific needs. This includes making changes to the switch's configuration files, as well as setting up specific access control lists. In user EXEC mode, the administrator does not have access to all of the commands and settings that are available in privileged EXEC mode.

Another benefit of enabling privileged EXEC mode is that it provides the administrator with additional security. By having the highest level of access, the administrator can set up additional security measures to protect the switch from unauthorized access. This includes setting up passwords, as well as configuring access control lists to restrict certain users from accessing certain parts of the switch.

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Because we only need digits (0-9) in this case, ASCII and UTF-8 will be identical in terms of storage. This is because the first 128 characters in UTF-8 are stored in a single byte, whereas ASCII is simply a subset of UTF-8.

To make a smaller file, we can either store the numbers as their binary equivalents or try to compress the data using Huffman Coding, which is a greedy algorithm used for compressing data without data loss.

What is ASCII?

ASCII, which stands for American Standard Code for Information Interchange, is a standard for assigning letters, numbers, and other characters to the 256 slots available in the 8-bit code.

The ASCII decimal (Dec) number is derived from binary, the universal computer language. The lowercase "h" character (Char) has a decimal value of 104, which is "01101000" in binary, as shown in the table below.

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Here is an example of a crosstabulation table that shows how many items from orders in the East region were returned:

Region     Returned Not Returned

East                5                            15

West              3                            17

North              7                            13

South              4                            16

In this example, the table shows that 5 items from orders in the East region were returned. The table is created using the crosstabulation method, which is a way of organizing and summarizing data by dividing it into categories or groups and counting the number of occurrences within each group.

You would need to first collect information on the orders that were placed in each region as well as whether or not the items from those orders were returned in order to generate this table. The data would then be organized using the crosstabulation approach into a table, where each row would represent a distinct region and each column would represent a different return status (returned or not returned).

You may simply determine how many goods from orders in each region were returned by utilizing the crosstabulation approach, and you can use this information to make business decisions like recognizing trends or patterns in returns or changing your policies or practices to decrease the amount of returns.

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The network service that automatically assigns IP addresses to devices on a network is Dynamic Host Configuration Protocol (DHCP).

Dynamic Host Configuration Protocol (DHCP) is an autoconfiguration protocol that automatically assigns IP addresses to network devices as they appear on a network. To communicate, each device must have an IP address. DHCP allows a device to be configured automatically, eliminating the need for network administrator intervention and providing a central database to keep track of devices that are already connected to the network, preventing accidental configuration. Figure out two devices with the same IP address.

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Location transparency allows all of the given options i.e users, programmers, and managers to treat data as if it is at one location.  Resources may be accessed regardless of where they are located physically or on a network thanks to location transparency.

The clients should be able to see a consistent file namespace. It must have the capability of transferring files without changing their pathnames. In the case of a location transparent name, there is no information regarding the actual location of the object. It is a very important element that facilitates the availability of resources and services. Network transparency is made up of location and access transparency.

In order for a message to be sent, its source code must have the same appearance no matter where the recipient will process it. This is known as location transparency. Explicit message passing governs how application components interact with one another. A message-sending object then reduces to nothing more than a handle pointing at the intended recipient. This handle is portable and can be easily transferred across network nodes.

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a Python program that implements both the quickselect and median-of-medians algorithms for solving the selection problem and compares their running times:

import random

import time

def quickselect(arr, k):

   """

   Quickselect algorithm for finding the kth smallest element in an array.

   """

   if not arr:

       return None

   pivot = random.choice(arr)

   left = [x for x in arr if x < pivot]

   right = [x for x in arr if x > pivot]

   equal = [x for x in arr if x == pivot]

   if k < len(left):

       return quickselect(left, k)

   elif k < len(left) + len(equal):

       return pivot

   else:

       return quickselect(right, k - len(left) - len(equal))

def median_of_medians(arr, k):

   """

   Median-of-medians algorithm for finding the kth smallest element in an array.

   """

   if not arr:

       return None

   if len(arr) <= 5:

       return sorted(arr)[k]

   medians = []

   for i in range(0, len(arr), 5):

       subarr = arr[i:i+5]

       medians.append(median_of_medians(subarr, len(subarr) // 2))

   pivot = median_of_medians(medians, len(medians) // 2)

   left = [x for x in arr if x < pivot]

   right = [x for x in arr if x > pivot]

   equal = [x for x in arr if x == pivot]

   if k < len(left):

       return median_of_medians(left, k)

   elif k < len(left) + len(equal):

       return pivot

   else:

       return median_of_medians(right, k - len(left) - len(equal))

# Test the algorithms

arr = [random.randint(1, 100) for _ in range(10000)]

k = 5000

start = time.perf_counter()

result = quickselect(arr, k)

end = time.perf_counter()

print(f"Quickselect: {result} ({end - start:.6f} seconds)")

start = time.perf_counter()

result = median_of_medians(arr, k)

end = time.perf_counter()

print(f"Median-of-medians: {result} ({end - start:.6f} seconds)")

The quickselect algorithm searches the provided array arr for the kth smallest entry using the quickselect method. The kth lowest element in the supplied array arr is determined using the median of medians function and the median-of-medians algorithm.
Both routines output the algorithm's running time in addition to returning the kth smallest element. To compare the execution times of the two methods for various input sizes, you can change the size of the array and the value of k.

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No, a BGP router will not always choose the loop-free route with the shortest AS-Path length. BGP routers use a variety of attributes to determine the most desirable route to reach a certain destination. In addition to the AS-Path length, these attributes can include the origin code, local preference, MED, and other variables. Therefore, the route selected may not always be the one with the shortest AS-Path length.

The Border Gateway Protocol (BGP) is an integral part of the Internet's core infrastructure. As such, it is essential for network engineers to understand the routing decisions that BGP routers make in order to ensure efficient and reliable communication between networks. While it is true that BGP routers will generally choose the loop-free route with the shortest AS-Path length, there are other factors that can influence the route that is chosen. In order for a network engineer to make informed decisions about routing traffic, it is important to have an understanding of these attributes and how they influence BGP routing decisions.

The most important attribute that BGP routers consider when determining the best path for traffic is the AS-Path length. The AS-Path length is the number of autonomous systems that must be traversed in order to reach the destination network. Generally, the shorter the AS-Path length, the more desirable the route. However, this is not the only factor that BGP routers consider when making routing decisions. The origin code, local preference, MED, and other variables can all play a role in determining the most desirable route.

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An object can be initialised in PHP by taking its name and adding "->" before each property name.

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The stateful packet inspection, firewall function, is used to ensure that packets entering a network are legitimate responses to requests initiated from internal hosts. Correct answer: letter A.

Because, these types of firewalls are used to ensure that only legitimate and expected traffic is allowed into the network. This is done by inspecting packets to determine if they are responses to requests that originated within the network.

Stateful packet inspection firewalls are an essential part of any network security system. By inspecting the packets entering a network and comparing them to requests initiated from internal hosts, these firewalls can detect malicious traffic and unauthorized connections. This helps to protect against data loss or compromise.

The main benefit of stateful packet inspection firewalls is that they can be used to create a secure environment for data transmission. By analyzing the packets and their associated information, these firewalls can detect any suspicious activity and block it before it reaches its destination. This prevents attackers from gaining access to sensitive information or data.

Which firewall feature is used to ensure that packets coming into a network are legitimate responses to requests initiated from internal hosts?

A) Stateful packet inspection

B) URL filtering

C) Application filtering

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The type of attack involves an adversary attempting to gather information about a network to identify vulnerabilities is called option B: reconnaissance.

The primary goal of reconnaissance attacks is information collection. These initiatives are the result of some digital study as well as physical scouting. This information collection may involve anything from physical surveillance to social engineering to network probing. 

Therefore, one can say that  information-gathering phase of ethical hacking is known as reconnaissance, during which you gather information about the intended system. Anything from network architecture to employee contact information might be included in this data. Hence the option selected is correct.

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See full question below

Which type of attack involves an adversary attempting to gather information about a network to identify vulnerabilities?

DoS

reconnaissance

dictionary

man-in-the-middle

The Windows and OS X operating systems, the Microsoft Office productivity suite, and the Adobe Creative Suite productivity software are three instances of proprietary software.

In contrast to "public-domain software," which is available for free distribution, proprietary software is owned by a company or a person.  the Open Source Security Foundation  the Open Source  (OSV) database, LibreOfficeand other initiatives are just a few of the ways that the whole office suite , are excellent examples of open-source goods. .It has two login options: you may download it to your device and use it as a connected app, or you can log in to it online and use it as a web service.Because its author, publisher, or other rightsholder or rightsholder partner exerts a legal right, proprietary software is regarded within the free and open-source software community as being non-free.

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Answer:

Here is a Python program that allows a user to choose to roll between 1 and 100 dice between 1 and 1000 times. The program uses a while loop to continuously prompt the user for input until they enter a valid number of dice and rolls. It also uses a for loop to simulate the dice rolls and a random module to generate random numbers for the dice rolls.

import random

while True:

   # Prompt the user for the number of dice to roll

   num_dice = int(input("Enter the number of dice to roll (1-100): "))

   if num_dice < 1 or num_dice > 100:

       continue

   # Prompt the user for the number of rolls to perform

   num_rolls = int(input("Enter the number of rolls to perform (1-1000): "))

   if num_rolls < 1 or num_rolls > 1000:

       continue

   # Simulate the dice rolls and print the results

   for i in range(num_rolls):

       roll = 0

       for j in range(num_dice):

           roll += random.randint(1, 6)

       print(f"Roll {i+1}: {roll}")

   # Ask the user if they want to roll again

   again = input("Roll again? (Y/N): ").upper()

   if again != "Y":

       break

Explanation:

In this program, we first import the random module to use its randint function to generate random numbers for the dice rolls. We then enter a while loop that will continuously prompt the user for input until they enter a valid number of dice and rolls. Within the while loop, we prompt the user for the number of dice to roll and the number of rolls to perform. If the user enters an invalid number of dice or rolls, we continue back to the beginning of the loop and prompt the user again.

Once the user has entered a valid number of dice and rolls, we use a for loop to simulate the dice rolls. For each roll, we use another for loop to roll the specified number of dice and add up the results. We then print the total for each roll. After all of the rolls have been performed, we ask the user if they want to roll again. If they enter "Y", we continue back to the beginning of the while loop to prompt them for new input. If they enter anything else, we break out of the while loop and end the program.

Overall, this program allows a user to choose to roll between 1 and 100 dice between 1 and 1000 times, and simulates the dice rolls using random numbers and loops.

The average number of blocks the disk arm has to traverse to visit all tracks and read the file content is 26.4.

SSTF of shortest seek time first is a scheme to move to shortest distance from current position. So,

Total tracks traversed is: 27 + 12 + 1 + 73 + 19 = 132

Total track is: 5

The average number of tracks traversed is: (132 / 5) = 26.4

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The Research Plan is a live document that must be updated throughout the duration of the protocol and serves as a narrative of the investigation.

Every protocol that is submitted for IRB review must include a research plan. Use the section headers supplied below while developing the research plan and refer to the bulleted items for section content. This guidance provides an explanation of why the data is crucial for IRB approval for each part. People who have fibromyalgia (FM), a condition that has no known cure, frequently struggle with chronic fatigue and extensive pain. Studies from a particular narrative viewpoint are notably limited, despite the fact that some qualitative research has attempted to understand the experiences of people with FM.

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An administrator who needs to view packets and decode and analyze their contents should use a packet analyzer or network analyzer application. Packet analyzers, also known as protocol analyzers, are tools that are used to capture, decode, and analyze network traffic.

Network administrators and other IT experts frequently utilize packet analyzers to diagnose network issues, improve network speed, and find security flaws. They can offer comprehensive details on each packet's contents, including the source and destination addresses, the kind of protocol being used, and the data in the payload.

There are numerous options for packet analyzer software, from straightforward command-line tools to intricate graphical user interface (GUI) programs. Applications for packet analysis such as Wireshark, tcpdump, and Netmon are widely used.

An administrator must set up a packet analyzer application to capture packets from the desired source and destination devices on a network-connected device before using it.

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A data analyst add descriptive header to column of data in a spreadsheet. By doing this, the data analyst is adding context to their data.

The term "spreadsheet" refers to a computer program that displays data in a two-dimensional grid along with formulas that link the data. An accounting ledger page that displays various quantitative data useful for managing a business is what a spreadsheet has traditionally been known as.

In the later 20th century, electronic spreadsheets took the place of paper ones. Spreadsheets, however, can be used for more than just financial data; they are frequently employed to represent and perform calculations on scientific data as well.

VisiCalc, created for the Apple II computer in 1979, was the first spreadsheet program. This application, which in some cases reduced a 20-hour per week bookkeeping task to a few minutes of data entry, served as the best example for many users of the practicality of personal computers for small businesses.

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To compute, the maximum element from a list of numbers by folding, he initial value is the first value to be passed to foldl or foldr.  However, rather than using FoldR because it is tail-recursive, one should use FoldL.

A solution is as follows

func {MaxList Xs}

{FoldL Xs.2 Max Xs.1}

End                                                                                                  

A function is considered to be tail recursive if it returns the result of its recursive call. The benefit is that a for loop can be created from a tail recursive function.

After the recursive call's value was returned in the initial sum function, we add x to it. The value returned by the recursion is immediately returned in the tail recursive sum' following the recursive call. The compiler can convert this recursive call into a straightforward goto instruction in the second scenario. As a result, tail recursive functions typically execute more quickly than their conventional equivalents.

Keep in mind that foldr is not tail recursive, while foldl is not. Usually, if you have to choose between the two functions, choose foldl for performance. However, using foldr is frequently simpler. Instead of using foldr on a lengthy list, you might prefer to use foldl after first reversing the list.

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when using the edit menu within the command prompt or PowerShell, the find task will display a dialog box to find a text string within the command prompt.

Define PowerShell.

Microosooft's PowerShell application, which consists of a command-line shell and the related scripting language, automates tasks and manages configurations. Built using Microosooft. NET technology, PowerShell has two distinct functions. PowerShell can be used as a scripting language or as an open-source shell. An operating system-related command-line interface is used in conjunction with PowerShell as a shell to provide commands to control the computer.

PowerShell functions are essentially blocks of code that may be executed repeatedly. You can use PowerShell functions as frequently as necessary. PowerShell functions include making listings to view particular user or group types, adding and deleting accounts, updating groups, and creating listings.

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In datainputstream class, the read method can read only one field at a time.

A data input stream enables machine-independent reading of primitive Java data types from an underlying input stream by an application. A data output stream is used by an application to write data that can then be read by a data input stream.

Bytes are read from the input stream and stored in the buffer byte array using Java's read(byte[] b) function of the DataInputStream class. The read() method returns an integer type representing the actual number of bytes read. If the input stream is finished and there is no further data to read, this function returns -1.

DataInputStream may not always be secure for access by multiple threads. Users of methods in this class are responsible for optional thread safety.

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The given statement is true in that the stop is the default setting that is applied to cells in MS Excel that contain a data validation rule.

A data validation rule refers to the process that restricts incorrect or invalid input values in controls such as cells. Using the data validation rule in MS Excel, users are prompted to enter a valid input value in a selected cell. In Excel, the 'stop' is a default setting that prevents users from entering invalid data in a cell. A 'stop' alert message setting has two options:  cancel or retry.

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Different video files and operating system versions can cause compatibility issues to arise between computer systems.

Since, file formats and operating systems may not be compatible with each other. For example, earlier versions of Windows may not be able to play certain types of video files due to the codecs used to encode them.

Compatibility between operating systems is important because it allows different computer systems to interact and share resources. This includes sharing of programs, files, and data.

Compatibility also allows users to access applications and services on different platforms. It also enables efficient use of hardware and software resources, as well as efficient use of resources in a network. Compatibility also ensures that computer systems can communicate with each other and can access the same resources. Without compatibility, it would be difficult for computer systems to interact with each other.

What are two compatibility issues that may arise between computer systems while transferring presentations? (Fill in the blank).

Different video files and _____ can cause compatibility issues to arise between computer systems.

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In building a neural network, gradient descent is typically used to update the weights of the network during the training process.

In order to reduce the error between the expected output and the actual labels, the neural network's weights are adjusted during training by feeding it a set of input data and labels. This is accomplished by using an optimization algorithm like gradient descent, which iteratively modifies the network weights to reduce error.

The error between the expected output and the true labels must be measured by a loss function before gradient descent can be computed. The gradient of the loss with respect to the weights of the neural network is then calculated using the loss function. The gradient shows us which way the weights should be changed to lessen the loss.

The magnitude of the weight update is then determined by the learning rate and the gradient used to update the network's weights. The Neural network weights are thought to be optimal for the given training data when this approach is repeated until the loss function reaches a minimum.

In conclusion, after feeding the input data and labels to the network, gradient descent is often employed to update the weights of the neural network during training. The gradient of the loss function with respect to the weights, calculated using gradient descent, and a learning rate are used to update the weights. Up until the loss function achieves a minimum, this process is repeated.

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The type of attack that involves an adversary attempting to gather information about a network to identify vulnerabilities is the man-in-the-middle. The correct option is d.

An enterprise's cyberspace is the target of a cyberattack, which aims to steal the data's integrity.

The main goal of the cyberattack is to take the company's personal data by disabling or destroying the computer infrastructure. Attacks, when a perpetrator inserts himself into a user's or an application's communication, are known as "man in the middle" (MITM) attacks.

Therefore, the correct option is d, man-in-the-middle.

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After the line of code has been run, RStudio automatically shifts the pointer to the next line. This allows you to single-step through a list of lines.

Due to the analyst's desire to import data from the spreadsheet into RStudio, the following locations in RStudio can be used.

The source code line where the cursor is currently placed can be run using the Run toolbar button or the Ctrl+Enter key combination.

Therefore, analyst to locate the imported data: Select “Import Dataset” in RStudio's Workspace tab to import a dataset from a text file. Click Open after opening a file browser, choosing the.csv file, and finally.

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We should develop class and sequence diagrams in parallel iterative so that the static structure is consistent with the dynamic behavior of the system.

What is Class and Sequence Diagram?

Class diagrams can be used to model the architecture of a system or an application. Sequence diagrams can be used to model the interaction between objects during runtime with respect to the order of method invocation.

Sequence diagrams and class diagrams can be related to one another.

A lifeline in a sequence diagram represents an instance of such a blueprint, whereas a class in a class diagram represents a data blueprint.

For the purposes of this tutorial, we will begin with a basic class diagram and utilize a sequence diagram to represent the dynamic method invocation associated with a controller class that is described in a class diagram.

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Assemble a second printer you can call printer2. Set printer2's permissions so that only the manager can print. Priority on printer1 should be set to 1, while priority on printer2 should be set to 99.

Select Properties by right-clicking the printer icon. Select the Share this printer check box under the Sharing tab, and then enter a name in the Share name text box. Select the operating systems of each network client that prints to the printer by clicking Additional Drivers. Select OK.

Connect your printer to a network-connected external print server device. Connect a network cable to the serial port on your printer.

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We  Would save virtual machine to stop the virtualization and ensure that every open application is still open and operating when they restart.

A machine is anything that was made by humans to simplify labour. It is a device or innovation that increases the impact of human labor. The device generates a mechanical benefit.

A machines is a tool that allows a tiny applied force to be multiplied in order to overcome a good normal force or to increase performance. Simple machines are frequently employed to lift big items with an ack or pulley, to ride a bicycle, or to cut with a pair of knives.

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