Data mining and OLAP (Online Analytical Processing) are two distinct data analysis techniques used by businesses to gain insights and make informed decisions. Data mining is the process of extracting valuable information and patterns from large datasets using statistical and machine learning algorithms. In contrast, OLAP is a database technology that allows users to analyze multidimensional data from different perspectives.
The main difference between data mining and OLAP lies in their primary objectives. Data mining is typically used to identify patterns, trends, and relationships in large datasets that are not immediately apparent. OLAP, on the other hand, is used to analyze and report on pre-aggregated data that has already been processed into a multidimensional cube. OLAP enables users to drill down, slice and dice data in real-time, allowing for quick and interactive analysis of complex data.
When advising a company on whether to use OLAP or data mining, it is important to consider the nature of the data and the specific business needs. OLAP is ideal for analyzing structured data that is organized in a multidimensional manner, such as sales data or financial data. Companies that need to generate regular reports and track key performance indicators would benefit from using OLAP. Data mining, on the other hand, is best suited for analyzing unstructured or semi-structured data, such as customer feedback, social media data, or website traffic data. Companies that are looking for insights into consumer behavior, market trends, and patterns would benefit from data mining. Ultimately, the choice between data mining and OLAP will depend on the specific business requirements and the type of data that needs to be analyzed.
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what technology helps prevent software from making changes to your system without your knowledge?
The technology that helps prevent software from making changes to your system without your knowledge is called "Application Whitelisting." Application Whitelisting is a security approach.
that allows only trusted applications to run on a system and prevents all others from executing. It creates a list of approved applications that can run on a device or network and blocks any other software from running. This technique effectively blocks malware, viruses, and other unauthorized software from making changes to your system.
Application Whitelisting works by defining a set of rules that allow only trusted applications to run. These rules can be based on the application's digital signature, checksum, or other characteristics. When a new application tries to execute, the system compares its characteristics to the whitelist rules.
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use this os x feature to configure automatic system backups to a dedicated drive.
Time Machine is the macOS feature that allows you to configure automatic system backups to a dedicated drive.
Time Machine is a built-in backup utility in macOS that enables you to easily back up your entire system. To configure automatic system backups using Time Machine, follow these steps:
1. Connect a dedicated drive: Connect an external hard drive or network storage device to your Mac that will serve as the backup destination.
2. Enable Time Machine: Open "System Preferences" from the Apple menu, and click on "Time Machine." Toggle the switch to turn it on.
3. Select backup drive: From the Time Machine preferences, click on "Select Backup Disk" and choose the connected drive as the destination for backups.
4. Customize options (optional): Time Machine offers additional options, such as excluding specific files or folders from backups. You can customize these settings according to your preferences.
Once configured, Time Machine will automatically create regular backups of your system, ensuring that your data, applications, and system settings are protected. Time Machine also allows you to easily restore files, retrieve previous versions of documents, or even restore your entire system from a backup if needed.
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what windows service provides the background backup processes used by some other backup services?
Windows service called Volume Shadow Copy Service (VSS) provides the background backup processes used by other backup services.
VSS is a Microsoft technology that enables data backup applications to create consistent snapshots of data while it is being used.
It allows multiple backup processes to occur simultaneously without interfering with each other or the performance of the system.
By utilizing VSS, backup services can efficiently and effectively safeguard important data, ensuring minimal downtime and quick recovery in the event of data loss.
Overall, Volume Shadow Copy Service plays a crucial role in the backup and recovery process for Windows systems.
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During the production process, selected Bates fields will be overwritten. true or false
It depends on the specific production process being used. In some cases, selected Bates fields may need to be overwritten in order to update or modify the information stored within them.
However, in other cases, steps may be taken to preserve these fields and ensure that they remain intact throughout the production process. Ultimately, the answer to whether selected Bates fields will be overwritten during production will depend on a variety of factors, including the specific tools and methods being used, the goals of the production process, and the needs of the end users who will be accessing the resulting materials.
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T/F. Constraints are a special case of triggers.
The given statement "Constraints are a special case of triggers" is false because constraints and triggers are two separate database concepts that serve different purposes.
Constraints are used to enforce rules and restrictions on the data that can be entered into a database table. They ensure that data is accurate and consistent, and can prevent errors and inconsistencies in the database.
Triggers, on the other hand, are used to automatically execute a set of instructions in response to specific database events, such as insert, update, or delete operations.
While constraints and triggers can both be used to enforce data integrity and ensure the accuracy of a database, they are distinct concepts with different functionality. Therefore, constraints are not a special case of triggers.
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A key that is generated by a symmetric cryptographic algorithm is said to be a: a) Public key b) Private key c) Shared key d) Asymmetric key
c) Shared key. A key that is generated by a symmetric cryptographic algorithm is said to be a Shared key.
A key generated by a symmetric cryptographic algorithm is known as a shared key because it is used by both parties involved in the communication to encrypt and decrypt the message. Unlike public and private keys, the same shared key is used for both encryption and decryption. This means that both parties must have access to the same shared key, hence the term "shared". Symmetric cryptography is a type of encryption that uses the same key for both encryption and decryption of data. The key is generated by the sender and shared with the receiver through a secure channel. This ensures that only the intended recipient can decrypt and read the message.
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A Web site designed to give parents of autistic children a common discussion area would be classified as a(n):
A website designed to give parents of autistic children a common discussion area would be classified as a "supportive online community."
Such a platform aims to provide a space where parents can connect with each other, share experiences, seek advice, and find support in raising their autistic children. These online communities often foster a sense of belonging, empathy, and understanding among parents facing similar challenges. They facilitate discussions on various topics related to autism, such as therapies, education, advocacy, and coping strategies. By offering a common discussion area, the website helps parents exchange valuable information, gain insights, and build a supportive network in their journey of parenting autistic children.
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True or False: A Bounce is an inbound or outbound email that is initially accepted by Mimecast, but cannot be delivered to the next hop.
The statement, "A Bounce is an inbound or outbound email that is initially accepted by Mimecast, but cannot be delivered to the next hop" is True because a bounce is an email that is rejected by Mimecast before it is delivered to the recipient's email server.
Bounces occur for a variety of reasons, such as an incorrect email address, a full mailbox, or a rejected message due to content filtering policies. When a message is bounced, it is returned to the sender with an error message indicating why the delivery failed. Mimecast provides administrators with detailed bounce reports to help them troubleshoot and resolve delivery issues. These reports provide information about the recipient, the reason for the bounce, and other important details that can help administrators identify and address underlying problems.
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Which of the following paths would a technician use to map a network drive?A. //servernameusershareB. \servernameusershareC. \servername/usershareD. //servername/usershare
To map a network drive, a technician would use //servername/usershare. Option D is correct.
Mapping a network drive allows a computer to access a shared folder on a networked computer, as if the folder were located on the local computer's hard drive. When mapping a network drive, the technician must specify the path to the shared folder that they want to access.
In this case, the correct path is "//servername/usershare", where "servername" is the name of the computer that is sharing the folder, and "usershare" is the name of the shared folder. The double slashes at the beginning of the path indicate that this is a network path, and the forward slash is used to separate the different components of the path.
Therefore, option D is correct.
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Write the normalized representation of the binary numbers in Problem 1. Write the exponents in decimal.
0.00101011
0.10110011
To convert binary numbers to normalized representation, we first identify the leftmost '1' bit, which indicates the location of the implied decimal point. We then move the decimal point to the left of the leftmost '1' bit and adjust the exponent accordingly.
For the first binary number, 0.00101011, the leftmost '1' bit is located at the fifth bit from the right. Therefore, we move the decimal point to the left by 4 bits to get 0.0000101011. This is equivalent to 1.01011 x 2^(-4), where the exponent is decimal.
For the second binary number, 0.10110011, the leftmost '1' bit is located at the third bit from the left. Therefore, we move the decimal point to the left by 2 bits to get 1.0110011. This is equivalent to 1.0110011 x 2^(0), where the exponent is decimal.
Therefore, the normalized representation of the binary numbers is:
1.01011 x 2^(-4)
1.0110011 x 2^(0)
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The board game featuring Africa in Source 18.1 depicts Europeans as
The board game featuring Africa in Source 18.1 depicts Europeans as Explorers and missionaries.
Ships around the shores of both East and West Africa feature images of Europeans. In the lower left corner of the board, they may be seen conducting business with Africans. Europeans are opening fire on Africans in the board's upper right corner. Through the lens of a new form of scientific racism, Europeans perceived the achievements of Asian, American, and African peoples.
Even though fear or dislike had frequently been sparked by physical differences, in the nineteenth century, Europeans increasingly used the stature and tools of science to support their racial preferences and prejudices. Phrenologists, craniologists, and certain alternative medicine practitioners employed a variety of tools and purportedly scientific techniques to define the dimensions and shapes of human skulls.
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What are the three outcomes of the NIST Cybersecurity Framework identify core function?
H The three outcomes of the NIST Cybersecurity Framework's core functions are Identify, Protect, and Detect. These functions help organizations manage and mitigate cybersecurity risks effectively.
Asset Management: Identification and management of all hardware and software assets in the organization.Risk Assessment: Understanding the risks and potential impact to the organization, customers, and stakeholders, resulting from cyber threats. Risk Management Strategy: Develop and implement risk management strategies and processes that are cost-effective, flexible, and repeatable to address identified risks. These outcomes are designed to help organizations understand their risk posture, identify their most critical assets, and implement risk management practices to reduce their overall cybersecurity risk.
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When adding rows to character columns, make sure you enclose the values in single quotation marks. T/F
True. When adding rows to character columns in a database table, it is important to enclose the values in single quotation marks.
This is because SQL recognizes single quotes as a string delimiter and will interpret any value within them as a string. If the values are not enclosed in single quotes, the SQL query will return an error. It is also important to note that if the value itself contains a single quote, it must be escaped with another single quote to avoid any syntax errors.
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Which of the following is the minimum USB requirement to use Windows To Go?
a. USB 1.0
b. USB 2.0
c. USB 3.0
d. USB 3.5
C) . The minimum USB requirement to use Windows To Go is USB 2.0. However, it is important to note that using a USB 3.0 drive can provide faster performance.
So, the long answer is that while USB 2.0 is the minimum requirement, it is recommended to use a USB 3.0 drive if possible. USB 1.0 and USB 3.5 are not compatible with Windows To Go.
The minimum USB requirement to use Windows To Go is USB 3.0 (option c). It is necessary for optimal performance and compatibility with the Windows operating system.
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what is the problem with using RNNs for POS tagging
RNNs can handle a wide range of sequence problems, their architecture is their biggest adversary because it causes issues with exploding and vanishing gradients when RNNs are being trained.
Ambiguity is the fundamental issue with POS tagging. Many common words in English have multiple meanings, and as a result, multiple POS. A POS tagger's responsibility is to appropriately resolve this ambiguity based on the usage context. For instance, the word "shot" has both noun and verb forms.
There are two major categories of POS-tagging algorithms: rule-based and stochastic. One of the first and most popular English POS-taggers, E. Brill's, uses rule-based algorithms.
Thus, RNNs can handle a wide range of sequence problems.
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isdn pri uses ____ b channels and one 64-kbps d channel.
ISDN PRI (Primary Rate Interface) uses 23 B (bearer) channels and one 64-kbps D (delta) channel in North America and Japan, while in Europe and most other countries, it uses 30 B channels and one 64-kbps D channel.
ISDN PRI (Primary Rate Interface) is a digital telecommunications technology used to transmit voice and data over the public switched telephone network (PSTN). It uses a T1 (North America and Japan) or an E1 (Europe and most other countries) line to provide high-bandwidth connectivity between the customer's premises and the telephone exchange.
In North America and Japan, ISDN PRI uses 23 B channels (bearer channels), each with a capacity of 64 kbps, for a total of 1.472 Mbps (23 x 64 kbps) of bandwidth. Additionally, it uses one 64 kbps D channel (delta channel) for signaling and control purposes.
In Europe and most other countries, ISDN PRI uses 30 B channels and one 64 kbps D channel. This provides a total bandwidth of 2.048 Mbps (30 x 64 kbps) for voice and data transmission.
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T or F?
The release function may cause the calling process to stop running. To avoid penalizing the process for releasing a resource, a fairer approach would be not to call the scheduler as part of the release.
True. The release function, which is used to release a resource that has been acquired by a process, may cause the calling process to stop running. This is because when a resource is released, the operating system scheduler may decide to switch to another process, even if the releasing process has not completed its execution.
This can lead to the releasing process being penalized for releasing the resource, as it may lose CPU time and other resources that it needs to complete its execution. To avoid this problem, a fairer approach would be not to call the scheduler as part of the release function. Instead, the operating system could keep track of the order in which processes acquire resources, and use this information to ensure that the next process to acquire the released resource is the one that has been waiting the longest. This approach, known as a "fair" or "strict" ordering policy, ensures that no process is unfairly penalized for releasing a resource, and that resources are allocated fairly among all processes. Overall, the release function is an important part of resource management in operating systems, but care must be taken to ensure that it does not unfairly penalize processes or lead to resource starvation. By using a fair ordering policy and avoiding unnecessary calls to the scheduler, operating systems can ensure that resources are allocated efficiently and fairly among all processes.
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True or False: If your tracking search reveals that an email connection was deferred, you will see Attempt Greylisted in the Rejection Information field.
The statement " If your tracking search reveals that an email connection was deferred, you will see Attempt Greylisted in the Rejection Information field." is False.
If your tracking search reveals that an email connection was deferred, you will see "Attempt Defer" in the Rejection Information field, not "Attempt Greylisted".
"Attempt Defer" indicates that the email delivery was temporarily delayed and the sending server will retry the delivery later and "Attempt Greylisted" indicates that the email was rejected by the recipient's email server as a suspected spam message.
Greylisting is a spam prevention technique that temporarily blocks messages from unknown senders, forcing the sending server to retry the delivery later. However, this rejection reason is less common than "Attempt Defer" and usually requires action from the sender to resolve.
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Question 5.2. Create a table called ninety_nine containing the movies that came out in the year 1999. Use where. and the table, 'imdb'
To create a table called ninety_nine containing the movies that came out in the year 1999, you can use the WHERE clause in SQL to filter the results based on the year column. Here's an example:
SELECT *
FROM imdb
WHERE year = 1999;
This SQL query selects all columns (*) from the imdb table where the year column is equal to 1999. The results will be a table containing all the movies that came out in 1999, which can be saved as ninety_nine.
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In file systems consistent with Session Semantics, the changes in a file are made visible to new sessions only, but are not seen by current sessions.
Select one:
a. False
b. True
In file systems consistent with Session Semantics, the changes in a file are made visible to new sessions only, but are not seen by current sessions. The statement is true.
Consistency semantics is a set of guidelines that specify how users in a distributed system can access and modify data. In file sharing, it is crucial since it guarantees that all users view the same version of a file, regardless of who last updated it.
The same logical ideas' attribute values are expressed and specified consistently across a system, and consequently across the entire enterprise.
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What are the three named traversal orders for the nodes of a binary tree?
There are three named traversal orders for the nodes of a binary tree, namely Inorder, Preorder, and Postorder.
Inorder traversal visits the left subtree, then the root, and then the right subtree. Preorder traversal visits the root, then the left subtree, and then the right subtree. Postorder traversal visits the left subtree, then the right subtree, and then the root. These traversal orders help to explore the binary tree structure, and are essential for performing various operations on binary trees, such as searching, inserting, and deleting nodes. Each traversal order has its own unique sequence of node visits, which can be used to extract information or perform specific tasks.
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In an Excel formula such as =E7+E8, the plus sign for addition is called a(n) _____.
Standard formula operators used by Excel include the plus symbol (+) for addition, the minus sign (-) for subtraction, and the asterisk (*) for multiplication.
All spreadsheets have the basic functions, and Microsoft Excel is no exception. Data manipulations like arithmetic operations are organized using a grid of cells arranged in numbered rows and letter-named columns. It comes with a variety of built-in functionalities to address your statistical, engineering, and financial demands.
Additionally, it has very limited three-dimensional graphical capabilities and can present data as line graphs, histograms, multiplication charts, and other two-dimensional graphs. Using pivot tables and the scenario manager,
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How long does a faculty member at UCSD have to easily make a correction to an assigned course grade?
A faculty member at UCSD has up to one year from the date the grade was originally posted to easily make a correction to an assigned course grade. However, it is important to note that any changes made to the grade after the end of the quarter or session must be documented and approved by the appropriate academic administrator.
Additionally, any changes made to the grade after the one-year period may require special permission from the UCSD Office of the Registrar. It is always recommended that faculty members carefully review and double-check grades before submitting them to ensure accuracy and avoid the need for later corrections. Students also have the right to contest a grade if they believe it to be incorrect or unjustified, and should do so as soon as possible after the grade is assigned. Overall, faculty members at UCSD are expected to follow the university's policies and procedures regarding grading and grade corrections, and to act in the best interests of their students and the institution as a whole.
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1. What factors have brought increased emphasis on network security?
Answer:
Several Factors
Explanation:
There are several factors that have brought increased emphasis on network security in recent years. These include:
1. Increasing reliance on technology: As organizations and individuals become increasingly reliant on technology, the risk of cyberattacks and data breaches also increases. This has led to a greater emphasis on network security to protect sensitive information and ensure that systems remain operational.
2. Sophistication of cyberattacks: Cybercriminals are becoming increasingly sophisticated in their attacks, using a range of techniques such as phishing, ransomware, and malware to gain access to networks and steal data. This has made it more difficult to detect and prevent attacks, leading to a greater emphasis on network security measures.
3. Regulatory requirements: Many industries are subject to regulatory requirements that mandate certain levels of network security. For example, healthcare organizations are required to comply with HIPAA regulations, while financial institutions must adhere to regulations such as PCI-DSS. Failure to comply with these regulations can result in significant financial and reputational damage.
4. Remote work: The COVID-19 pandemic has led to a significant increase in remote work, with many employees accessing company networks from home. This has created new security challenges, as organizations need to ensure that remote workers are accessing networks securely and that sensitive information is protected.
5. Internet of Things (IoT): The increasing use of IoT devices, such as smart home devices and industrial sensors, has created new security challenges. Many IoT devices are not designed with security in mind, making them vulnerable to attacks that can compromise entire networks.
Taken together, these factors have brought increased emphasis on network security as organizations and individuals seek to protect themselves from cyberattacks and data breaches. As a result, network security has become a critical area of focus for many organizations and individuals alike.
What is meant by a hacker having the means for an attack
Unauthorized individuals known as computer hackers enter into computers to steal, alter, or destroy data. Often, they do this by secretly downloading and installing harmful software.
A hacker is someone who solves technological issues by using their knowledge of computer hackers, networking, or other talents. Anyone who uses their skills to gain unauthorized access to systems or networks in order to commit crimes may also be included in the definition of the term.
Black hats, white hats, and grey hats are the three categories of hackers that are most well-known in the field of information software security. As hackers sought to distinguish themselves and tell the good hackers from the bad, they developed these colored hat descriptions.
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how much ram can be installed in either datacenter or standard editions of windows server 2012?
The maximum amount of RAM that can be installed in the Datacenter edition of Windows Server 2012 is 12 terabytes (TB), while the Standard edition has a maximum limit of 4 terabytes (TB).
For the Standard edition of Windows Server 2012, the maximum amount of RAM that can be installed is 4 terabytes (TB) for the 64-bit version. However, the practical limit of RAM for most systems is much lower, depending on the number of memory slots and the maximum capacity of each module.
For the Datacenter edition of Windows Server 2012, the maximum amount of RAM that can be installed is much higher. In the 64-bit version of Windows Server 2012 Datacenter edition, up to 12 terabytes of RAM can be installed. This allows for large-scale virtualization and high-performance computing.
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Wireless refers to all tech that makes up 802.11
True or false
The statement, "Wireless refers to all tech that makes up 802.11" is True because the term "wireless" in the context of technology often refers to the 802.11 family of standards, which are commonly used for wireless local area networks (WLAN) such as Wi-Fi.
The 802.11 standard defines a set of protocols for wireless local area networks (WLANs) that use radio waves to transmit and receive data over short distances. These protocols are commonly known as Wi-Fi. The 802.11 standard was first released in 1997 and has since undergone several revisions, with the latest version being 802.11ax (also known as Wi-Fi 6). The term "wireless" is often used interchangeably with "Wi-Fi" or "802.11," especially in the context of consumer technology and networking.
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What is the sixth step of the phases of an attack, and what does it involve?
The sixth step of an attack is typically referred to as "Discovery" or "Enumeration".
Enumeration involves the attacker performing reconnaissance on the target system or network to gather information about the system's configuration, users, and resources.
This may involve scanning the system to identify open ports, services, and vulnerabilities, as well as probing the system to identify user accounts, passwords, and other sensitive information.
Once the attacker has gathered information about the target system, they can use this information to plan their next move, such as identifying vulnerabilities to exploit, creating a map of the network, or launching further attacks.
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The local or remote file systems are the part of the third layer of virtual file system which is responsible for implementing file-system type or remote file system protocol.
Select one:
True
False
The third layer of a virtual file system, which implements file-system type or remote file system protocol, includes local and remote file systems as a component.
A more abstract layer is placed on top of a more realistic file system via a virtual file system (VFS) or virtual file system switch. A VFS is used to provide standard access to many concrete file systems so that client applications can use them.
For instance, a VFS can be used to access both local and network storage devices transparently without the client program recognizing the difference. It can be used to overcome discrepancies between Windows, the original Mac OS, and protocol Unix filesystems.
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After a DBMS detects a deadlock, the ____ should break the deadlock.
a.) first user
b.) second user
c.) database administrator
d.) DBMS
After a DBMS detects a deadlock, the DBMS should break the deadlock.
When a DBMS (Database Management System) detects a deadlock, it is responsible for resolving the deadlock situation. Deadlock occurs when two or more transactions are waiting indefinitely for resources held by each other, resulting in a cyclic dependency. The DBMS has the knowledge of the system's state, including the transactions involved and the resources they hold or request. It uses deadlock detection algorithms to identify deadlocks and then takes appropriate actions to break the deadlock. These actions can include aborting one or more transactions or releasing resources to allow progress.
Therefore, option D (DBMS) is the correct answer.
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