TRUE / FALSE. the concat function is used to store the contents of two columns into one column.
The given statement, "the Concat function is used to store the contents of two columns into one column," is false because, in most programming languages and database systems, the concat function is used to concatenate or combine the contents of two or more strings into a single string.
The concat function is not used to store the contents of two columns into one column. In most programming languages and database systems, the concat function is used to concatenate or combine the contents of two or more strings into a single string. It is not specifically designed for column operations but for string manipulation. To store the contents of two columns into one column, you would typically use column concatenation or column merging operations specific to the database or programming language you are using.
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a ____ sort sorts the list by finding the smallest (or equivalently largest) element in the list and moving it to the beginning (or end) of the list. value linear selection sequential
The correct answer is selection. A "selection sort" sorts the list by finding the smallest (or equivalently largest) element in the list and moving it to the beginning (or end) of the list.
This process is repeated for the remaining unsorted elements until the entire list is sorted in a sequential manner. The selection sort algorithm works by dividing the list into two portions: the sorted portion and the unsorted portion. Initially, the sorted portion is empty, and the unsorted portion contains all the elements of the list.
In each iteration, the algorithm finds the smallest (or largest) element from the unsorted portion and swaps it with the first element of the unsorted portion, effectively expanding the sorted portion by one element.
The process continues, with each iteration reducing the size of the unsorted portion until the entire list becomes sorted. The selection sort algorithm has a time complexity of O(n^2), where n is the number of elements in the list.
While the selection sort algorithm is not the most efficient sorting algorithm for large lists, it is easy to understand and implement. It performs well for small lists or when the number of elements is limited.
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bridges use stp to transfer the information about each bridge’s mac address and priority number. the messages the devices send to one another are called ____.
The answer to your question is that the messages that bridges send to one another to transfer information about each data repository bridge's MAC address and priority number are called Bridge Protocol Data Units (BPDUs).
BPDUs are used by bridges to establish a loop-free path for network traffic and prevent network loops. BPDUs contain information such as the bridge's MAC address, priority number, and the port it is connected to. This information is used to determine the best path for network traffic to flow through the network and avoid loops.
it is important to note that STP (Spanning Tree Protocol) is a protocol used by bridges to prevent network loops. It works by allowing bridges to communicate with one another and elect a root bridge, which becomes the central point for network traffic. Bridges then use BPDUs to share information with one another and determine the best path for traffic to flow through the network.
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what is the safe disposal of mis assets at the end of their life cycle called?
The safe disposal of IT assets at the end of their life cycle is typically referred to as IT asset disposition (ITAD).
What is IT asset dispositionITAD involves the proper and secure management of electronic equipment and data when it is no longer needed or functional.
ITAD practices focus on responsibly handling the disposal and recycling of IT assets to minimize environmental impact and protect data privacy. This may include physical destruction, recycling, or refurbishing of the assets based on their condition and value.
Key considerations in ITAD include:
Data Erasure: Ensuring that sensitive data is securely erased from storage devices to protect confidentiality.
Compliance: Adhering to relevant regulations and industry standards for the disposal of electronic waste and the protection of personal and sensitive information.
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children and young adults under 18 can easily become the victims of crimes due to their use of social media, but adults are entirely safe in using social media.T/F
False. Both children/young adults under 18 and adults can be vulnerable to becoming victims of crimes on social media.
While children and young adults may be more susceptible due to their limited experience and awareness of online risks, adults are not entirely safe. Cybercrime, such as identity theft, fraud, harassment, and online scams, can affect individuals of all ages. Adults can also fall victim to phishing attacks, social engineering, and data breaches on social media platforms. It is crucial for both children and adults to practice online safety measures, be cautious with sharing personal information, and be aware of potential risks when using social media platforms.
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write the complete sql command t ocompute the total of all prices of all the products
The sql query that retrieves all pairs of suppliers who supply the same product, along with their product purchase price if applicable is illustrated below:
select sr.supnr as "Supplier No.",sr.supname as "Supplier Name", p.prodnr as "Product No.", p.prodname as "Product Name",s.purchase_price as "Purchase Price" from supplier as sr,supplies as s,product as p where sr.supnr=s.supnr and s.prodnr=p.prodnr and p.prodnr in(select s1.prodnr from supplies as s1 group by s1.prodnr having COUNT(s1.supnr) > 1)
Structured Query Language (SQL) is a programming language designed for managing data in a relational database management system or for stream processing in a relational data stream management system.
A query is a request for information or data from a database table or tables. This data may be generated as Structured Query Language (SQL) results or as pictorials, graphs, or complex results, such as trend analyses from data-mining tools.
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Many CMOS setup menus allow changes to the CPU and RAM, which supports _______________. A. overheating B. overclocking C. multitasking D. multiprocessing
The correct answer is B. overclocking.
Many CMOS setup menus allow changes to the CPU (Central Processing Unit) and RAM (Random Access Memory) settings, which supports overclocking.
Overclocking refers to the practice of running a computer component, such as the CPU or RAM, at a higher clock speed than its specified or default speed. By increasing the clock speed, the component can perform operations at a faster rate, potentially improving overall system performance. However, overclocking also increases the heat generated by the component and can lead to stability issues or even hardware damage if not done properly. Therefore, making changes to the CPU and RAM settings in CMOS setup menus enables users to modify clock speeds and voltages to overclock their system components if desired
CMOS stands for Complementary Metal-Oxide-Semiconductor, which is a type of technology used in modern computer systems to store non-volatile settings and information. CMOS is often associated with the CMOS battery-backed memory used in the system's motherboard, which contains the CMOS setup information.
The CMOS setup, also known as the BIOS setup or UEFI setup, refers to the configuration interface provided by the system's firmware (BIOS or UEFI) to adjust various hardware and system settings. It allows users to modify settings related to CPU, RAM, storage devices, peripherals, and other system parameters.
Typically, the CMOS setup menu can be accessed during the system startup by pressing a specific key (such as Del, F2, or Esc) as prompted on the screen. Once in the CMOS setup menu, users can navigate through different categories and make changes to hardware settings, boot order, security options, and other system configurations.
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The major disadvantage of using a bar chart on largeprojects is that bar charts:A. Cannotidentify critical pathsB. Donot show dependencies between activitiesC. Cannotidentify milestonesD. Cannotshow slack
The major disadvantage of using a bar charts on large projects is that bar charts do not show dependencies between activities.
Bar charts, also known as Gantt charts, are commonly used in project management to visually represent project schedules and activities over time. While bar charts are effective in illustrating the start and end dates of tasks, they do not provide a clear depiction of dependencies between activities. Dependencies are crucial in understanding the sequence and relationships between tasks, which can impact project timelines and resource allocation.
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T/F: in order to access your documents and files that are stored in the cloud, you must have an internet connection.
True: In order to access your documents and files stored in the cloud, you must have an internet connection.
Cloud storage refers to storing data on remote servers accessed over the internet. When your files are stored in the cloud, they are not physically present on your device but rather hosted on servers maintained by the cloud service provider. To access these files, you need to establish an internet connection. This connection allows you to connect to the cloud servers and retrieve or upload your files. Without an internet connection, you won't be able to access your cloud-stored documents and files since the data is not locally stored on your device.
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TRUE / FALSE .component assignment is a technique that assigns components in a bom either to a routing or to a specific operation within the routing.
True, component assignment is a technique that assigns components in a BOM (Bill of Materials) either to a routing or to a specific operation within the routing.
This process helps in organizing the production process and ensures the correct components are used at each stage of the manufacturing process. By assigning components to a routing or operation, manufacturers can effectively plan and track the usage of components at each stage of the production process. This helps in ensuring that the right components are available when needed and facilitates efficient production scheduling and resource allocation.
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secure communications, like those provided by "encrypted" web connections using https or a virtual private network (vpn), are:
Secure communications provided by "encrypted" web connections using HTTPS are essential for protecting sensitive data and ensuring privacy online.
Why are encrypted web connections important?Encrypted web connections using HTTPS and VPNs play a crucial role in ensuring secure communications by protecting sensitive data and maintaining privacy.
The Hypertext Transfer Protocol Secure encrypts the communication between a user's browser and a website, preventing unauthorized access to data during transmission. It verifies the authenticity of the website and ensures that the data exchanged is not tampered with or intercepted by malicious actors.
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which of the following does a router acting as a firewall use to control which packets are forwarded or dropped?
________ was proposed in the mid-1990s by a european consortium of companies to serve as a nonproprietary standard methodology for data mining.
The standard methodology for data mining proposed in the mid-1990s by a European consortium of companies is called the CRISP-DM (Cross-Industry Standard Process for Data Mining).
The goal of CRISP-DM is to provide a standardized and systematic methodology that can be applied across various industries and domains for effective data mining projects. It helps organizations and data scientists to understand business objectives, explore and preprocess data, develop and evaluate models, and ultimately deploy the results into practical applications. By offering a nonproprietary standard approach, CRISP-DM promotes consistency, repeatability, and collaboration in the field of data mining, making it easier for organizations to adopt and apply data mining techniques in a structured and effective manner.
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Which of the following is a cyber attack that would likely cause imminent loss of life?a.) disruption of banking systemb.) disruption of waterc.) disruption of security systemsd.) disruption of chemical plant control systems
d.) disruption of chemical plant control systems. A cyber attack that disrupts chemical plant control systems can potentially lead to an imminent loss of life.
Chemical plants often handle hazardous substances and operate complex control systems to ensure safety. If these systems are compromised, it could result in the release of toxic chemicals, explosions, fires, or other catastrophic events that endanger human lives.
By disrupting the control systems, an attacker could manipulate critical parameters such as temperature, pressure, or flow rates, causing the plant to malfunction or operate in an unsafe manner. This can lead to uncontrolled reactions, chemical leaks, or even the failure of safety measures, putting the lives of workers, nearby residents, and the environment at serious risk.
The potential for loss of life in such a scenario emphasizes the critical importance of securing industrial control systems against cyber threats and implementing robust safety protocols.
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Which statement is correct....?? A) List is mutable && Tuple is immutable B) List is immutable && Tuple is mutable C) Both are Immutable D) Both are Mutable
The correct statement is A) List is mutable and Tuple is immutable. A list in Python can be modified by adding, removing, or changing elements whereas a tuple is a collection of objects that cannot be modified once created.
This means that once a tuple is created, you cannot add, remove or change any of its elements. However, you can access elements of a tuple just like you can with a list. It's important to note that mutability is a key difference between lists and tuples in Python. If you need to store a collection of objects that can be modified, then a list is the way to go. But if you need to store a collection of objects that should not be modified, then a tuple is a better choice. Tuples are often used to represent fixed data, such as a set of coordinates or a date. In summary, lists are mutable and tuples are immutable in Python. This means that you can modify a list but not a tuple once they are created.
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Consider the following code segment, which is intended to store ten consecutive even integers, beginning with 2, in the list evenList. Assume that evenList is initially empty.i ← 1REPEAT 10 TIMES{}What can be used to replace so that the code segment works as intended?
By using the ADD command, each even number is added to the end of the list evenList.
To store ten consecutive even integers, beginning with 2, in the list evenList, the following code can be used:
i ← 2
REPEAT 10 TIMES
{
ADD i TO evenList
i ← i + 2
}
The above code segment initializes i with the first even number, which is 2. Then, it repeats the loop 10 times and adds the current value of i to the evenList, followed by incrementing the value of i by 2 to get the next even number. This ensures that the list evenList contains ten consecutive even integers starting from 2. By using the ADD command, each even number is added to the end of the list evenList.
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test 9 edhesivein two-dimensional arrays, the _____________ is always listed second.
In two-dimensional arrays, the second dimension is always listed second.
A two-dimensional array, also known as a matrix, is a data structure that represents a collection of elements organized in a two-dimensional grid or table. It consists of rows and columns, forming a rectangular arrangement of elements. Each element in the matrix is accessed using two indices: one for the row and one for the column.
Here are some key points about two-dimensional arrays:
Structure: A two-dimensional array is typically represented as a grid with rows and columns. The size of the array is determined by the number of rows and columns, which are defined during its creation.
Element Access: Elements in a two-dimensional array are accessed using two indices, one for the row and another for the column. For example, to access the element at row i and column j, you would use array[i][j]
Rectangular Shape: Two-dimensional arrays have a rectangular shape, meaning that each row has the same number of columns. All rows and columns are aligned, creating a well-defined structure.
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open-source crm software doesn’t have as many features or functions as other proprietary software. true or false
The statement that open-source CRM software doesn't have as many features or functions as other proprietary software is false. Open-source CRM software is designed to be customizable, flexible, and easily integratable with other systems.
This means that users can add or remove features depending on their specific needs, allowing them to create a tailored CRM solution that meets their business requirements. Moreover, because open-source software is community-driven, there are often many developers working to create new features and enhancements to the software. Therefore, while some proprietary CRM software may offer more out-of-the-box features, open-source CRM software can be just as capable, if not more so, when it comes to meeting the needs of businesses and organizations.
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Which of the following is NOT a network protocol supported by SQL Server 2012?Select one:a. NWLinkb. named pipesc. TCP/IPd. shared memory
a. NWLink is NOT a network protocol supported by SQL Server 2012 SQL Server 2012 supports three network protocols: named pipes, TCP/IP, and shared memory.
NWLink, also known as IPX/SPX or NetWare Link, is a network protocol used by Novell NetWare networks but is not supported by SQL Server 2012. NWLink was mainly used in earlier versions of Windows and has been deprecated in favor of TCP/IP in modern networking environments.
a. NWLink is NOT a network protocol supported by SQL Server 2012.
SQL Server 2012 supports three network protocols: named pipes, TCP/IP, and shared memory. NWLink, also known as IPX/SPX or NetWare Link, is a network protocol used by Novell NetWare networks but is not supported by SQL Server 2012. NWLink was mainly used in earlier versions of Windows and has been deprecated in favor of TCP/IP in modern networking environments.
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Which of the following is an example of the principle of separation of duties?A. Software developers should not have access to production data and source code files.B. Software development, testing, quality assurance, and production can be assigned to some of the same individuals.C. The functions of creating, installing, and administering software programs can be assigned to some of the same individuals.D. Software developers and testers should have access to "live" production data.
An example of the principle of separation of duties is: A. Software developers should not have access to production data and source code files.
The principle of separation of duties emphasizes the need to divide responsibilities and restrict access to certain tasks and resources. In this example, by not granting software developers access to production data and source code files, it ensures that there is a clear separation between the development and production environments. This separation helps prevent unauthorized access, data breaches, and potential conflicts of interest. It also supports accountability and ensures that different individuals or teams are responsible for distinct aspects of the software development and deployment process.
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The best way to address all types of learning styles when teaching a new resistance training exercise is to:
a) Give auditory and visual cues.
b) Demonstrate the exercise.
c) Use the tell-show-do method.
d) Give visual cues.
The best way to address all types of learning styles when teaching a new resistance training exercise is to use the tell-show-do method (option c). This approach ensures that you cater to auditory, visual, and kinesthetic learners by incorporating various techniques in your instruction.
1. Tell: Begin by verbally explaining the resistance training exercise to the learners. This caters to auditory learners who learn best through listening. Describe the proper form, technique, and muscle groups targeted by the exercise.
2. Show: Next, demonstrate the exercise in front of the learners. This caters to visual learners who understand information better when they see it. Perform the exercise with the correct form and technique while emphasizing the key points mentioned during the verbal explanation.
3. Do: Finally, have the learners perform the exercise themselves. This caters to kinesthetic learners who learn best through hands-on experience. Provide individual feedback and guidance, ensuring each learner executes the exercise correctly.
By incorporating the tell-show-do method, you can effectively address all types of learning styles, ensuring that every learner has the best chance of understanding and retaining the information presented during the resistance training exercise lesson.
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mobile devices track customers whereabouts through gps and the
Mobile devices can track customers' whereabouts through GPS (Global Positioning System) and other location-based services.
GPS is a technology that allows devices to determine their precise location on the Earth's surface using signals from satellites. Many modern smartphones and tablets have built-in GPS receivers, which enable them to provide accurate location information.
When users grant permission to apps or services, they can access the device's GPS data to track the user's location. This information can be used for various purposes, such as navigation, finding nearby points of interest, providing location-based recommendations, and targeted advertising.
However, it's important to note that the tracking of customers' whereabouts through GPS is typically based on user consent and requires explicit permission. Users have control over their device's location settings and can choose to disable GPS or grant or revoke location permissions for individual apps.
Additionally, it's worth mentioning that location tracking can also occur through other means, such as Wi-Fi signals, cellular tower triangulation, IP address geolocation, and sensor data. These methods can provide approximate location information even if GPS is disabled or unavailable.
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what is a web designer responsible for?
A. the look and feel of a website
B. the content on social media
C. web traffic metrics
D. the latest trends in design
A. The primary responsibility of a web designer is to create the look and feel of a website, including the layout, graphics, and overall user experience.
The correct answer is option A.The look and feel of a website
While they may also be involved in creating content for social media, this is typically the responsibility of a social media manager or content creator. Additionally, web designers may be interested in web traffic metrics to track the performance of their designs and make improvements based on data. However, this is not typically their primary responsibility. Staying up to date on the latest trends in design is also important for web designers to ensure they are creating modern, relevant websites.
Hence, the correct answer is option A.The look and feel of a website.
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which of the following is behavior-based information? a. cost reduction b. improved quality c. attitude d. timeliness of response
The behavior-based information among the given options is "attitude."
Behavior-based information refers to data or insights that pertain to individuals' attitudes, actions, or behaviors. It provides insights into how individuals or groups behave in specific situations, their preferences, tendencies, or patterns of behavior. In the given options, while cost reduction, improved quality, and timeliness of response are important metrics or goals, they are not inherently behavior-based information.
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a __________ is the maximum amount of time that a process can execute before being interrupted.
A time quantum is the maximum amount of time that a process can execute before being interrupted.
In computer systems, time quantum refers to the predefined time slice allocated to a process for execution on a CPU before it is preempted or interrupted by the operating system. It is part of the time-sharing mechanism used by multitasking operating systems to allocate CPU time fairly among multiple processes. The time quantum is typically a small, fixed duration, such as a few milliseconds. When a process's time quantum expires, the operating system suspends its execution and switches to another process in the ready queue. This allows for efficient sharing of CPU resources and ensures that no single process monopolizes the system for an extended period, promoting fairness and responsiveness in multitasking environments.
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a(n) __________ host is simply a machine that is fully exposed to the internet.
A "public" host is simply a machine that is fully exposed to the internet. A public host refers to a computer or server that is directly connected to the internet and does not have any network barriers or firewalls in place to restrict access.
It is accessible to anyone on the internet, allowing direct communication and potential interaction. This type of host is often used for services that need to be publicly accessible, such as web servers or mail servers. However, the lack of security measures can make public hosts more vulnerable to attacks, which is why it is crucial to implement proper security measures and monitoring to safeguard the host and its data.
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A data management platform service is called:
A) Infrastructure-as-a-service.
B) Platform-as-a-service.
C) Software-as-a-service.
D) Database-as-a-service.
D) Database-as-a-service.
A data management platform service is called D) Database-as-a-service (DBaaS). It provides users with a managed database environment, handling setup, administration, and maintenance tasks, while offering scalability and convenience.
A data management platform service referred to as Database-as-a-service (DBaaS) is a cloud-based service that provides users with a managed database environment. With DBaaS, the service provider handles the setup, administration, and maintenance of the database infrastructure, allowing users to focus on their data management and application development tasks. Users can access and manage their databases through a user-friendly interface or API provided by the service. DBaaS offers scalability, flexibility, and convenience, as it eliminates the need for users to worry about hardware provisioning, software installation, and database management tasks. It allows organizations to offload the complexities of database management and leverage the benefits of cloud computing for their data storage and processing needs.
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T/F all e-mail servers use databases that store multiple users' e-mails.
The statement "all email servers use databases that store multiple users' emails" are true because these databases are essential for managing, organizing, and retrieving emails for the users on the email server. They allow for efficient storage and retrieval of emails, enabling seamless communication between users.
The exact structure and technology used for email databases can vary depending on the email server software and configuration. Some common databases used for email storage include:
Relational databases: Many email servers use relational database management systems (RDBMS) like MySQL, PostgreSQL, or Microsoft SQL Server. These databases provide structured storage and offer features like indexing, query capabilities, and data integrity.
NoSQL databases: Some email servers leverage NoSQL databases like MongoDB or Apache Cassandra. These databases offer a more flexible schema and can handle large volumes of unstructured or semi-structured data efficiently.
File-based storage: In some cases, email servers may store emails as files on the file system directly, without relying on a separate database. Each email message is typically saved as a separate file, organized in a directory structure.
Regardless of the specific database technology used, email servers employ these databases to store and retrieve emails efficiently, allowing users to send, receive, and manage their messages.
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true or false: according to the video, a passive searcher is a user who is not trying to make a purchase.
The statement " according to the video, a passive searcher is a user who is not trying to make a purchase" is true They are typically looking for information or entertainment, and they are not actively looking for products or services to buy. Passive searchers are often referred to as "window shoppers" or "browsers."
Active searchers, on the other hand, are users who have a clear intention to make a purchase or engage in a specific action. They are actively searching for a product, service, or solution to fulfill their needs or requirements.
Understanding the distinction between passive and active searchers is valuable for businesses and marketers to tailor their strategies and target the right audience with appropriate content and messaging.Here are some examples of passive searcher behavior:
Reading product reviews Watching product demos Comparing prices Researching new products or services Browsing websites for funMarketers can reach passive searchers by creating content that is informative, engaging, and relevant to their interests. They can also use targeted advertising to reach passive searchers who are likely to be interested in their products or services.
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Add a new Short Text field to the far right side of the table. Name the field: Description
You can add a new Short Text field to the far right side of the table by following these steps:
1. Open the table in Design View.
2. Scroll to the far right side of the table.
3. Click on the next empty column.
4. In the Field Properties section, enter "Description" as the name for the new field.
5. Set the Data Type to "Short Text".
Once you have completed these steps, you will have successfully added the new "Description" field to the table.
An explanation for this process is that when you add a new field to a table, you need to ensure that it is in the correct position and has the correct data type and properties. In this case, we want the new field to be a Short Text field and positioned at the far right side of the table. By following the steps outlined above, we can easily add the new field and make sure that it is set up correctly.
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