what the meaning of Formatting marks?

The equation for the amount of work required to compress the spring from the origin to x4 is W = (1/2)kx², where k is the spring constant and x is the distance from the origin.

To write an equation for the amount of work required to compress the spring from the origin to x4, we can use the formula for work done by a spring:

W = (1/2)k(x2 − x1)²

Here, W represents the amount of work done by the spring, k represents the spring constant, and x2 and x1 represent the final and initial positions of the spring, respectively. In this problem, x1 is the origin, which is 0. Therefore, x2 is x4. Hence, the equation for the amount of work required to compress the spring from the origin to x4 is:

W = (1/2)k(x4)²

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To create a data center, various hardware components are required.

The data center is the most important component of the cloud computing infrastructure.

The following are the main hardware components that are needed to set up a data center:

Server: It is a central computer that manages data storage, network traffic, and software applications. It is the most important component of a data center.

Storage device: The storage device is used to store data. It could be a hard drive, tape drive, or cloud-based storage. The data center's storage system must have redundancy to guarantee data integrity and high availability.

Routers and Switches: Routers and switches are used to connect servers to each other and to the Internet. A router is a device that directs data packets to their intended destination, while a switch is used to connect devices within the data center.

Firewall: A firewall is used to protect the data center from unauthorized access, virus, and malware attacks.

Cooling and Power Supply: Data centers require specialized power and cooling systems to ensure reliable operation. They must have backup power and cooling systems to keep the servers and equipment operational even during power outages.

Backup systems: Backups are critical for data centers because they provide a way to recover data in the event of a disaster or hardware failure. Backups should be taken frequently, and they should be stored in a secure, offsite location where they can be easily accessed in the event of a disaster or data loss.

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The following code segment is intended to move the robot to the gray square. { repeat 4 times { move forward() rotate right() } rotate left() move forward() rotate right() } The answer is d. repeat 4 times.

When the given code is implemented, the robot will first move forward, then rotate right, move forward again, rotate right again, and repeat the above-mentioned step four times. After that, it will rotate left, move forward again, and finally rotate right. However, this will not lead the robot to the gray square as the requirement says. A solution to the above problem is to replace the blank with “repeat 4 times”. When we use the "repeat 4 times" command instead of the blank, the robot will perform the instructions inside the loop four times. So, the correct answer is d, i.e., repeat 4 times.

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In the context of an ERD (Entity Relationship Diagram), a horizontal line with two small vertical lines as the endpoint is referred to as a Relationship.

This relationship is used to show the relationship between two entities, which are typically represented by rectangles. The vertical lines indicate the cardinality of the relationship, which can range from one to many. For example, a one-to-many relationship would be indicated by one vertical line pointing to the entity on the other side of the relationship.

The horizontal line represents the relationship between two entities, while the two vertical lines signify the number of entities that can be linked in the relationship. In this case, it means that there is a one-to-many relationship between the two entities, where the entity on the left-hand side is the "one" and the entity on the right-hand side is the "many."

In an ERD diagram, a one-to-many relationship is represented by a horizontal line with one vertical line on one side and two vertical lines on the other side. The side with one vertical line represents the "one" side, while the side with two vertical lines represents the "many" side. The side with one vertical line is the primary key side, while the side with two vertical lines is the foreign key side. In summary, a horizontal line with two small vertical lines as the endpoint in an ERD diagram signifies a one-to-many relationship between the two entities.

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In app, files are used as a data abstraction because they allow for storage and retrieval of data. This allows for efficient management of data by abstracting it away from the application's code.

Data abstraction is a technique for dealing with complex data. It enables users to view data without having to worry about its implementation. In computer science, data abstraction is achieved by defining an interface that hides the implementation details of a data type, allowing users to interact with it through a set of well-defined operations.

Files, as a data abstraction, provide a simple and efficient way to store and retrieve data. They allow data to be saved to a file and then retrieved when it is needed.

This means that applications can easily manage large amounts of data without having to worry about the intricacies of how it is stored or accessed. In addition to being an effective storage solution, files also provide a level of persistence.

This means that data can be saved to a file and then retrieved later, even if the application has been closed or the device has been turned off.

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Using services as the fundamental component in a distributed software system offers several advantages, such as promoting modularity and loose coupling, enabling independent development and deployement mechanisms,  promoting scaling independently, and supporting greater accessibility.

Firstly, services promote modularity and loose coupling, meaning that changes to one service do not affect other services, making the system easier to maintain and update. Secondly, services can be developed and deployed independently, allowing for greater flexibility and agility in the development process. Thirdly, services can be scaled independently, providing greater efficiency and cost-effectiveness in resource allocation. Finally, services can be accessed and utilized from any location or device, enabling greater accessibility and integration across different platforms and environments.

Overall, services offer a powerful and scalable architecture for building complex distributed software systems.

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The given statement is true becasue as per the scenerio described you cannot incorporate additional services at the application layer itself, which are not offered by UDP.

The User Datagram Protocol (UDP) is an Internet Protocol (IP) protocol that transports datagrams or packets of data from one program to another on a network. It is a transport layer protocol that is one of the simplest protocols in the Internet Protocol (IP) suite.UDP is faster and less complex than Transmission Control Protocol (TCP), which requires the receiver to acknowledge every packet sent, and may be used when speed is more important than reliability, such as in online gaming or voice communication.

However, UDP does not provide any flow control, error control, or congestion control; consequently, data integrity and delivery reliability are not ensured. Thus, UDP is typically utilized in circumstances where data loss is tolerable or which demand reduced protocol overhead to improve network transmission efficiency.

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There are three controls available for protecting secondary storage and replication infrastructure:
1. Access control: This ensures that only authorized personnel are able to access and use the secondary storage and replication infrastructure.

The three controls that are available for protecting secondary storage and replication infrastructure are as follows:1. Security controls: To prevent unauthorized access to data and systems, security controls can be implemented. This involves using passwords, firewalls, antivirus software, and other technologies to secure the storage environment.2. Data replication controls: To ensure that data is replicated correctly and completely, data replication controls can be implemented.

This involves the use of redundant copies of data and automated tools for monitoring and verifying the replication process.3. Backup controls: To ensure that data is backed up properly and can be restored in the event of a disaster, backup controls can be implemented. This involves the use of automated backup processes and backup software to ensure that data is protected and can be recovered quickly and easily if needed. Thus, these are the three controls available for protecting secondary storage and replication infrastructure.

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The information hierarchy can be organized from bottom to top in terms of increasing complexity as follows: data, information, konwledge, and wisdom.

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The subnet address for the CIDR notation that represents the host part of address 1 is 192.168.1.0. The network address for the subnet containing address1 is 192.168.1.0/26.

To discover the subnet address and network address of a subnet with a CIDR notation that represents the host part of address 1, we must first understand some of the basic concepts of subnetting.

What is the network address?

A network address is a unique address that identifies a device on a network. When using IP addressing, the network address represents the starting address of a range of IP addresses assigned to a network.

What is the subnet address?

A subnet address is a logical division of a network into smaller subnetworks. A subnet is created by taking an existing network and dividing it into multiple smaller subnetworks. A subnet allows the network to be divided into smaller subnets, each with its own unique IP address range.

What is CIDR notation?

CIDR notation, which stands for Classless Inter-Domain Routing, is a way of indicating a range of IP addresses. It identifies the network prefix (the number of bits that are set in the subnet mask) as well as the number of bits used for the host portion of the address. It appears as an IP address followed by a slash and a number. For instance, 192.168.0.0/24 indicates that the first 24 bits are used for the network prefix, while the remaining bits are used for the host portion of the address.

To discover the subnet address and network address of a subnet with a CIDR notation that represents the host part of address 1, we must follow the procedure below:

Step 1: Identify the CIDR notation of the network that contains address 1We can derive the CIDR notation from the subnet mask by counting the number of ones in it. A subnet mask of 255.255.255.192, for example, contains 26 ones, so the CIDR notation would be /26. As a result, the network address of the subnet containing address 1 is 192.168.1.0/26.

Step 2: Calculate the network address. To calculate the network address of the subnet, we must bitwise AND the subnet mask with the IP address.192.168.1.1 (Host IP Address)255.255.255.192 (Subnet Mask)-------------------192.168.1.0 (Network Address)

Step 3: Identify the subnet address. The subnet address can be found by applying the same method as in step 2 to the network address.192.168.1.0 (Network Address)255.255.255.192 (Subnet Mask)-------------------192.168.1.0 (Subnet Address)

The subnet address for the subnet that contains address 1 is 192.168.1.0, and the network address for the subnet is 192.168.1.0/26.

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To boot from a USB drive, you need to change your boot settings.

To change your boot settings and boot into a USB drive, follow the steps given below:Plug in the USB drive into the USB port of your computer.Turn on the computer or restart it if it is already turned on.Press the appropriate key to enter the BIOS setup menu. The key may vary depending on the computer's manufacturer, but it is usually one of the following: F2, F10, Del, or Esc.

Consult your computer's manual if you are unsure about which key to press.Use the arrow keys to navigate to the Boot tab or menu.Choose the USB drive from the list of bootable devices on the Boot screen. Use the "+" and "-" keys to reorder the list if necessary.

After selecting the USB drive, save your settings by pressing the F10 key. The computer will restart and boot from the USB drive.

To summarize, the steps to change your boot settings and boot into a USB drive include plugging in the USB drive, entering the BIOS setup menu, navigating to the Boot tab or menu, selecting the USB drive from the list of bootable devices, and saving the settings by pressing F10.

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First, ensure that the CPU is seated correctly and locked into the socket. Improper installation or orientation can cause system lockups.

Next, check for overheating issues. The upgraded CPU may require more power and generate more heat than the previous one, so ensure that the cooling system is functioning correctly, including fans and heat sinks. Check that thermal paste is applied correctly, and clean any dust buildup.

Finally, verify that the new CPU is compatible with the motherboard and that any necessary BIOS updates have been applied. If the issue persists, consider reverting to the old CPU to determine whether the new CPU is the source of the problem.

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As an alternative, you can pick the range D13:D34, select cell D12, copy the formula (Ctrl + C), and then paste it (Ctrl + V). concerns.

A range in Excel is a grouping of two or more spreadsheet cells. It could be a single row, a single column, or both. A range might potentially consist of two or more distinct selections and not be contiguous. Excel formulae and functions frequently employ ranges to do computations or data manipulation on particular sets of data. To determine the total value, for instance, a range of cells can be subjected to the SUM formula. The average value of a range can be determined using the AVERAGE formula. Moreover, you can format, sort, filter, and employ ranges in conditional formatting rules.

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The SQL statement selects the product id, product name, and price of products whose price is greater than $120 .

What does the SQL statement?

The SQL statement,  will display the product id, product name, and price of products that are priced greater than $120.00 or that have a qty in stock value greater than 100 and have a supplier. What does the SQL statement mean?

The data that is obtained is then put into a table-like layout that we can view on our computer screens. The table that is created is dynamic, implying that it will be modified as the contents of the database change.

This means that if we add a new entry to the database, it will be shown on the next query that is executed.

means that the code will choose the product ID, product name, and price of goods whose price is more than $120 or whose qty in stock is more than 100 and whose supplier is included in the resulting list of supplier IDs.

The subquery returns the supplier id of those products that have a price greater than 120 or a qty in stock greater than 100.

The outer query then filters the outcomes for goods that are supplied by those suppliers whose ids are found in the result of the subquery.

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As a system administrator at an organization, to improve the security measures of the Active Directory forest by restricting malicious access to Active Directory, the next step to be taken is to update all the domain controllers running Windows Sever 2012 to Windows Server 2016.

Active Directory (AD) is a directory service designed by Microsoft Corporation for Windows domain networks. It is involved in authentication and authorization, allowing administrators to manage computers and other devices linked to the Windows domain network.When it comes to restricting malicious access to Active Directory, an excellent strategy is to employ a privilege access management system. Privilege access management is a security best practice that restricts access to specific resources and secures access to highly sensitive data. It establishes a system that regulates access to confidential data and resources by individuals who have specific authorizations.

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When a programmer informs you that she has created a new sorting algorithm with a worst-case run time of O(n^(3/2)), you can infer that the algorithm she created is a Polynomial-time algorithm.

The given run time of O(n^(3/2)) means that the algorithm has a worst-case run time of n^(3/2). The time complexity of the given algorithm will grow in the order of n raised to the power [tex]\frac{3}{2}[/tex] When the size of the input data grows, the time it takes to solve the problem will grow in the order of n^(3/2) as well.

As a result, it can be concluded that the algorithm will be slower as the size of the input grows. Therefore, a polynomial time algorithm has been created that performs slowly when the input size increases. The best sorting algorithms can sort an array in[tex]O(n log n)[/tex]time, which is a more efficient sorting algorithm than the O(n^(3/2)) algorithm.

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The following documentation sites are most likely to contain code snippets for you to cut and paste into your AWS operations: https://docs.aws.amazon.com and https://aws.amazon.com/professional-services. So, the correct options are C and D.

Amazon Web Services documentation includes a lot of code examples and practical solutions. The AWS documentation site (docs.aws.amazon.com) is a comprehensive reference tool for all AWS services, including S3, EC2, CloudFront, and RDS. It has a wealth of information, guides, and examples to assist you in learning about and using AWS features.

The AWS Professional Services website (aws.amazon.com/professional-services) is another documentation site that includes practical solutions and code examples. AWS Professional Services offers assistance and support to organizations that want to migrate to AWS, optimize their AWS infrastructure, or develop custom applications. This website includes practical solutions and code examples that can be tailored to meet specific requirements.

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E. All of the above change management practices for maintaining the secure configuration of the web server is important to audit.

A. Security mailing lists are monitored: Monitoring security mailing lists helps to identify newly discovered vulnerabilities and threats related to the web server. It allows for timely mitigation and keeps the server secure. An audit can verify that security mailing lists are being actively monitored and that appropriate actions are taken when vulnerabilities are identified.

B. Latest patches are applied in a routine patch cycle: Applying the latest patches is a critical step in maintaining the secure configuration of the web server. Patches address known vulnerabilities and improve the security of the system. Auditing this practice ensures that patches are being applied in a timely and consistent manner.

C. Regular vulnerability guidelines exist for the equipment: Regular vulnerability guidelines help ensure that the web server is configured securely and is protected from known vulnerabilities. An audit can ensure that appropriate vulnerability guidelines are in place and that they are being followed.

D. Regular internal reviews of the configuration are conducted to compare the existing infrastructure with the configuration guide: Regular reviews of the configuration are necessary to ensure that the web server is configured securely and in accordance with the configuration guide. Auditing this practice ensures that reviews are being conducted and that any deviations from the configuration guide are identified and addressed.

Therefore, all of the above practices are important to audit to maintain the secure configuration of the web server.

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In Java, the number of times a character appears in a string can be counted using the following code:

String str = "example string";char ch = 'e';int count = 0;for (int i = 0; i < str.length(); i++) {if (str.charAt(i) == ch) {count++;}}System.out.println("The character " + ch + " appears " + count + " times in the string.");

The above code initializes a string called str with a sample string and a character ch with the character to count the number of occurrences for. The count variable is used to keep track of the number of occurrences of the character.

In the for loop, each character in the string is checked, and if it matches the character to be counted, the count variable is incremented. The output is printed to the console with the number of times the character appears in the string.

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Bonding at service-entrance equipment is very important because service-entrance conductors do not have at their line side, other than the electric utility company's primary transformer fuses. (TRUE)

A metal part that provides a permanent conductive path for electrical currents between various metals or non-metals is known as bonding. This includes everything from metal parts to conductive liquids and gases.The purpose of bonding at service-entrance equipment is to create a low-impedance path for ground-fault current.

When a fault current flows through the grounded conductors, the bonding jumper allows it to return to the source of supply instead of flowing through metal parts of the electrical distribution system. Ground fault current is directed to the service grounding electrode system as a result of this return path.

The connection of metal parts together to ensure the electrical continuity and low impedance path for a fault current is known as bonding. When it comes to service-entrance conductors, bonding is critical because they don't have anything on their line side other than the electric utility company's primary transformer fuses to prevent ground faults.

As a result, bonding provides a critical safety measure for people and equipment.

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The two hardware selection criteria that are most important for a PC system that will be used as a file and print server in a small business are RAID 1+0 array and 64-bit multi-core processor. Option B and option E are correct answers.

RAID (Redundant Array of Independent Disks) 1+0, also known as RAID 10, is a type of nested RAID level that combines the high performance of RAID 0 with the redundancy of RAID 1 to provide both fault tolerance and enhanced data storage capacity. RAID 1+0 is formed by taking two identical RAID 1 (mirrored pair) arrays and combining them into a RAID 0 array. The mirrored pairs provide redundancy, whereas the RAID 0 stripes provide the necessary speed.

A 64-bit processor is a type of computer processor architecture that can handle 64-bit binary numbers. It is an upgrade from a 32-bit processor that can only handle 32-bit binary numbers. A multi-core processor is a processor that has two or more independent processing units on the same chip, each with its own cache. Multiple processing cores enable more instructions to be processed at the same time, resulting in quicker performance.

Both RAID 1+0 arra and 64-bit multi-core processors are the most important criteria for a file and print server in a small business. Thus, option B and E are the correct answers.

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When you pass data form an Android activity called Activity 1 to another Android activity called Activity2 using Intents, you use the putExtra() method in Activity 1 configuration.

What is the Intent putExtra method?

Android Intent is used to transfer data from one activity to another. Intent is used to start the target activity, pass data, and get results. putExtra is a method of Intent that is used to send data from one activity to another.To transmit data from one activity to another, an Intent object is used. putExtra is a technique for transmitting data from one activity to another. The receiving activity may get this data utilizing the getExtra() method.To pass values between activities using intents, you need to use the putExtra method.

You can pass values with different data types such as Strings, Booleans, Floats, Integers, Arrays, and many more. By using the putExtra method, the receiving activity will get the data in the Intent object that was passed from the calling activity.

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Answer:

Styles

Explanation:

Valid, as of Excel 365.

If you are not able to print a test page from your Windows 10 computer to your local, USB-connected Canon Pixma printer, there could be several possible causes of the problem. Two possible causes are:

The printer cable is not connected properly: Ensure that the printer cable is properly plugged in to the USB port of your computer and to the printer. If the cable is loose or disconnected, the printer may not be able to receive print jobs from your computer.The Windows print spool is stalled: The Windows print spooler manages print jobs sent to the printer. If the print spooler is stalled or not running, the printer may not receive the print jobs. You can try restarting the print spooler service to see if that resolves the issue.Note that the other two options, "The network is down" and "File and printer sharing is not enabled," are not likely to be causes of the problem in this case, since the printer is connected directly to the computer via USB and does not require network or sharing settings to be configured.

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The correct option is  c. {3, 4, 5, 2, 1} for array arr has been defined and initialized with the values {5, 4, 3, 2, 1}.

int[] arr = {5, 4, 3, 2, 1};

for (int i = 0; i < 2; i++)

{

   for (int j = 0; j < arr.length - 1; j++)

     {      

         if (arr[j] > arr[j + 1])

           {          

                int temp = arr[j + 1];

                arr[j + 1] = arr[j];  

                arr[j] = temp;  

           }

  } /* end of the inner for loop */

} /* end of outer for loop */`

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In 10GBASE standards, such as 10GBASELR and 10GBASELW or 10GBASE R and 10GBASE LW or 10GBASE ER and 10GBASE EW, the "R" and "W" designations refer to the reach and wavelength of the optical transceivers used.

10GBASE is a group of standards for Ethernet, a local area network (LAN) technology. These standards specify various transmission speeds (10 Gbps, 40 Gbps, and 100 Gbps), types of media (fiber optic, twisted pair), and maximum distances for network connections.The 10GBASELR and 10GBASEER standards are for single-mode fiber optic cable connections.

The "L" and "E" designations refer to the transmission distance supported by the standard. LR stands for long reach, which can cover a distance of up to 10 kilometers, while ER stands for extended reach, which can cover a distance of up to 40 kilometers.The "R" designation refers to the reach of the optical transceiver used. Similarly, the "W" designation refers to the wavelength of the optical transceiver used.

In the case of 10GBASELW and 10GBASEEW, "LW" and "EW" refer to long wavelength and extended wavelength, respectively. They are used in wavelength division multiplexing (WDM) applications.

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The given statement "For determining the security of various elliptic curve ciphers it is of some interest to know the number of points in a finite abelian group defined over an elliptic curve" is TRUE because it correctly illustrates the concept of security of various elliptic curve ciphers.

An elliptic curve is a type of continuous and complex mathematical structure. It can be described algebraically in terms of the coordinates of its points, which are solutions to a set of algebraic equations. Elliptic curves are mostly used in cryptography to provide secure encryption and digital signature schemes by ensuring the confidentiality and integrity of data.

A finite abelian group is a group of mathematical objects that are finite in number and are abelian in nature. In cryptography, the security of an elliptic curve cipher depends on the number of points that belong to the finite abelian group defined over an elliptic curve. The number of points on an elliptic curve determines the length of the key used for encryption, which ultimately determines the security level of the encryption.

This is why it is of some interest to know the number of points in a finite abelian group defined over an elliptic curve. Hence, the given statement is TRUE.

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The header contains information about the packet, such as the destination, the source, the size of the packet, the protocol used, and other information. The payload contains the data or information being sent or received.

Information you are likely to find in the header of typical packet headers contains all of the information that a receiver requires to process and deliver the packet to its destination. The header may contain information like the following:

1. Source and Destination IP Addresses: A packet's source and destination IP addresses are included in the header.

2. Protocol Information: The type of data contained within the packet is frequently specified in the header.

3. Source and Destination Port Numbers: The specific process of the sending and receiving computers are identified by the port numbers.

4. Sequence Number: This is used to keep track of packets sent and received in a series.

5. Checksum: To detect errors, a checksum is frequently used.

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Memory chips or storage chips are terms used to describe electronic chips that store data.

The electronic technology used to store digital information in binary form is referred to as data storage. Electronic storage devices are commonly utilised to provide quick and dependable data and programme storage in a number of electronic devices, including computers, smartphones, cameras, and game consoles. Hard disc drives (HDDs), solid-state drives (SSDs), memory cards, USB flash drives, and optical storage media like CDs and DVDs are just a few examples of the various types of data storage devices. The choice of storage device depends on elements like capacity, speed, durability, and cost. Each type of storage device has a unique set of characteristics and performance advantages.

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