Only the member functions inside the class have access to the class members that have been defined as private.
Any object or method outside the class is not permitted to access them directly. The class members' secret data can only be accessed by member functions or friend functions. Private fields of classes shouldn't be altered by mutators. A mutator modifies, or "mutates," the private fields of a class. The private fields of a class should not be altered by an accessor. An accessor uses private fields to get access before returning a value or performing an action. A mutator method in computer science is a technique for managing modifications to a variable. They're also frequently referred to as setter methods. A setter is frequently present.
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Which innovator has been credited with using a moving assembly line in his automobile plant?
A.
Henry Ford
B.
Gottlieb Daimler
C.
Wright Brothers
D.
Guglielmo Marconi
Answer:
A. Henry Ford
Henry Ford is credited with using a moving assembly line in his automobile plant. This innovation, introduced in 1913 at the Ford Motor Company's Highland Park plant in Michigan, allowed the company to produce cars much more efficiently and at a lower cost. The moving assembly line was a key factor in the success of Ford's Model T car, which became one of the most popular and successful automobiles in history.
which system activity reporter function will list cpu, ram, i/o, disk activity, and more, with five outputs displaying the result every two seconds?
Sar -A -s 2 5 system activity reporter function which will list CPU, ram, i/o, disk activity, and more, with five outputs displaying the result every two seconds
Solaris is where the System Activity Recorder (sar) and associated utility suite were first developed. Later, it was ported to Linux, AIX, HP-UX, and all other significant UNIX variants. In a typical Red Hat installation, the Sysstat package is already installed. You must explicitly install the sysstat package for Suse since it is not installed by default (package is provided by Novell).
It is crucial to remember that sar is a highly capable monitoring suite whose capabilities are often grossly underused. Very few system administrators routinely review SAR logs on a weekly basis (see SAR reports). Additionally, it often offers information that is more trustworthy than expensive commercial products. It can identify several bottlenecks and is the easiest tool for determining whether or not the server needs a hardware upgrade. Additionally, hardware upgrades in a normal datacenter are a very controversial topic, thus having a more or less reliable benchmark for the server's real performance is quite helpful.
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bentley is the head of a software development team and needs to use a web app for project management. which of the following web apps best suits his needs? a. docs b. slack c. trello d. powerpoint
Option A is correct. The most likely causes, given that you are troubleshooting a failing notebook computer system, are alternatives A.
The LCD assembly's inverter has stopped functioning properly. It is necessary to replace the cold cathode fluorescent light because it has burned out. Troubleshooting, a methodical approach to problem-solving, is widely used to locate and fix issues with complex equipment, electronics, computers, and software systems. A common method of problem-solving used to repair malfunctioning parts or functions on a machine or system is troubleshooting. A rational, thorough search for the problem's cause is necessary in order to address a problem and bring the product or process back in operation. To locate the symptoms, troubleshooting is necessary.
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if the member variables in the base class are listed as protected, then who can access or modify those variables?
If the member variables in the base class are listed as protected, then the friends of base class can access or modify those variables.
A base class is an existing class in an object-oriented programming language from which the other classes are derived and their properties are inherited. It is also referred to as a parent class or superclass. In general, the class that inherits the base class can contain both all of its members and some additional data.
A class that is created from a base class or another existing class is referred to as a derived class. It frequently takes on a base class's whole set of methods and attributes. It is sometimes referred to as a child class or subclass.
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what kind of policy defines the actions users may perform while accessing systems and networking equipment?
A due process policy is a policy that defines the actions users may perform while accessing systems and networking equipment.
Architecture. The foundation of a peer-to-peer network is the notion that equal peer nodes can simultaneously act as "clients" and "servers" to other nodes. The client-server paradigm, in which communication normally travels to and from a central server, is different from this method to network design. Detective. Detective controls are designed to spot dangerous events as they happen and to support investigations and audits after the fact. The network of all the individuals, organisations, enterprises, assets, tasks, and technical developments involved in the manufacture and distribution of an item is known as a supply chain. The distribution of raw materials from the supplier to the manufacturer and on to the ultimate delivery to the client make up the entirety of the supply chain.
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what, ultimately, was the correct balance of centralization ver- sus decentralization in the use of data for governance?
The correct balance of centralization versus decentralization in the use of data for governance depends on the specific goals and needs of the government.
Generally, a decentralized approach to data use can be beneficial for giving citizens more control over their data and for enabling innovation, while centralized data use can be beneficial for its ability to ensure data privacy and security. Ultimately, the best data governance strategy needs to strike a balance between centralization and decentralization to meet the specific needs of the government.
The optimal balance of centralization versus decentralization depends on the goals of the organization. Centralization is beneficial for achieving economies of scale, efficiency, and uniformity of operations. Decentralization, however, is beneficial for empowering local decision-making, delegating responsibility, and encouraging innovation. Organizations must evaluate their goals and resources to determine the right balance of centralization and decentralization.
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a leased line with the hdlc protocol creates a wan link between what two devices on the attached lans?
The two devices on the attached LANs to creates a WAN link from a leased line with the HDLC protocol is routers.
What is HDLC protocol?The HDLC protocol or high-level data link control is a protocol for data link layer. HDLC protocol will provide the encapsulated means for network layer packet.
The means which is provided by leased line is a physical means that can transmit the bits with this way a routers can forward bit packets onto the LANs that connecting them.
So, the LAN connection will be forward by routers with leased line as transmitter of bits and HDLC protocol will encapsulated that to network layer packet and create WAN link.
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a network administrator configures the port security feature on a switch. the security policy specifies that each access port should allow up to two mac addresses. when the maximum number of mac addresses is reached, a frame with the unknown source mac address is dropped and a notification is sent to the syslog server. which security violation mode should be configured for each access port?
warning
protect
shutdown
restrict
Answer:
protect
Explanation:
When the "protect" mode is configured, the port security feature on the switch will drop any frames with unknown source MAC addresses and send a notification to the syslog server when the maximum number of allowed MAC addresses is reached. This allows the network administrator to be notified of potential security violations, while still allowing the port to continue functioning and forwarding frames.
The other security violation modes have different behavior:
"warning" mode sends a notification to the syslog server but does not drop frames with unknown source MAC addresses."shutdown" mode disables the port when the maximum number of allowed MAC addresses is reached."restrict" mode drops all frames with unknown source MAC addresses, but does not send a notification to the syslog server.What should be done if the author or sponsor of a website is not identified?
Responses
a. Disregard the information from that website.
b, Scrutinize the information carefully and verify it with other sources.
c. Go ahead and use the information from the website confidently.
Answer:
b
Explanation:
Answer: b
Explanation: i took the test :)
A Machine Learning olution produce incorrect output once it' deployed for general ue. After an extended period of time, the olution begin to inget more data and increae in accuracy without any code update. Why could thi be the cae?
The number one problem facing Machine Learning is the lack of good data. While enhancing algorithms often consumes most of the time of developers in AI, data quality is essential for the algorithms.
What is the most common issue when using machine learning?Rewarding desired behaviours and/or punishing undesirable ones are the foundations of the machine learning training method known as reinforcement learning. A reinforcement learning agent is often capable of observing and interpreting its surroundings, acting, and learning through mistakes. Error (statistical error) is the term used to indicate the discrepancy between a value produced through a data gathering procedure and the population's "actual" value. The data are less indicative of the population as the inaccuracy increases. The two forms of errors that might affect data are sampling error and non-sampling error. When a model is overfit, it cannot generalise and instead fits too closely to the training dataset.To learn more about machine learning refer to:
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a remote access policy tends to cover every remote access option. what are some common remote access methods?
Some of the common remote access methods are Dial-up, VPN, web portal access.
With the aid of a network connection, an authorized user can connect to a computer or network remotely from another location.
Users who are located remotely can at any time access data and other system resources from any servers or devices that are linked to the network. Employee productivity rises as a result, and employees are better able to work with colleagues throughout the world.
Technical support staff members can connect remotely to users' computers to assist them in resolving problems with their software or systems.
A virtual private network (VPN) connection for remote access is a popular way to grant remote access. The development of VPN technology made it possible for branch offices and distant users to securely access business apps and other resources.
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the neurotransmission system of the human body is a communication network. what is this network composed of? (mark all that apply.)
The neurotransmission system of the human body is a communication network that is composed of A: Synapses B: Neurotransmitters and C: Receptors.
The neurotransmission system of the human body is a communication system of the human brain that is estimated to contain 86 billion neurons. In the neurotransmission system, those billions of brain neurons communicate with one another by passing chemical messages at the synapse - the small gap between cells. Receptors in neurotransmission are resonpislbe to set the motion of chemical signaling events within the cell. While neurotransmitters are vital components of neurotransmission that carry chemical signals from one neuron to the target cell. Without neurotransmitters, the human brain and body cannot function.
"
Complete question:
the neurotransmission system of the human body is a communication network. what is this network composed of? (mark all that apply.)
Synapses
Neurotransmitters
Receptors
Antigens
"
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what are 51% attacks? why does it not make sense to stage a 51% attack in most scenarios? how might the network respond to successful 51% attacks?
A 51% attack is a type of attack on a blockchain network in which a single entity or group of entities controls more than 50% of the total network hashing power.
What is network?
A network is a collection of interconnected computing devices, such as computers, servers, mobile devices, sensors and other electronic devices, that are connected together to share resources and data. Networks allow these devices to communicate and exchange information, enabling users to access files, applications, printers, and other resources on different devices. Networking is used to facilitate communication and collaboration between users, providing access to the internet, email, and other services. Networks can be either wired or wireless, and can be configured in a variety of topologies, such as a bus, star, or mesh. Network components include routers, switches, and firewalls, which provide security, performance, and reliability.
This type of attack allows the controlling entity to double-spend coins, prevent new transactions from being confirmed, and even reverse transactions that have already been completed.
It does not make sense to stage a 51% attack in most scenarios because it is a costly and potentially damaging attack. It requires an attacker to control a majority of the network’s hashing power, which requires a large investment in hardware and electricity costs. If the attack is successful, it can result in significant damage to the network’s reputation, which could lead to a decrease in users’ confidence and a loss of value for the coin.
If a successful 51% attack is staged, the network may respond by hard forking to a new blockchain, which would prevent the attacker from double-spending coins. Additionally, the network may implement additional security measures, such as increasing the difficulty of mining, in order to make it more difficult for an attacker to acquire the majority of the network’s hashing power.
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discuss what information can be gleaned from a cockpit that basically has an analog array of instruments?
The cockpit houses all the display, control, and communications gear that the crew needs to fly and manage the aircraft both on the ground and in the air, all within easy reach of the sitting crew.
We utilize cockpit because...The area where the pilot and co-pilot control the aircraft is known as the cockpit. The cockpit's two primary purposes are to give the pilot an excellent view and to make all control elements easily accessible to them.
What does a cockpit now go by?The cockpit is where the pilots and crew sit when operating an aircraft. One pilot may sit in the cockpit of a small aircraft. A flight deck, often known as a cockpit, is similar to a ship's bridge or the driver sits in the cab of a truck, which is where the vehicle is controlled.
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how to transfer opera bookmarks from one pc to another create this pc shortcut on desktop in windows 10
Ctrl+Shift+B will bring up your full bookmarks manager. On the bottom left, select the Import/Export button. Drag it to your desktop after launching File Explorer and choosing This PC from the left pane.
From Windows 95 onwards, editions of the Microsoft Windows operating system come with File Explorer, formerly known as Windows Explorer, a file manager program. Accessing the file systems is made possible by a graphical user interface. The taskbar and desktop are just two examples of the numerous user interface elements that it is also the operating system component that displays on the screen. The File Run command in Task Manager on NT-derived versions of Windows and commands entered in a command prompt window both work without Windows Explorer running, demonstrating how to control the computer without it.
File Manager, which included all versions of the Windows 3. x operating system, was replaced by Windows Explorer when Windows 95 was first released.
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a user is attempting to access a folder on a shared drive. they receive a message saying access denied and inform you that other folders are working fine. what is likely happening?
A user is attempting to open a folder on a shared disc. They get an access denied notice, but they let you know that other folders are functioning properly. The user is unable to access the folder.
A folder on a computer serves as the virtual home for files, programs, documents, and other subfolders. In the computer, folders assist in storing and organizing files and data. With operating systems that have a graphical user interface, the phrase is most frequently used.
Computer science folders perform similar tasks to actual folders found in everyday life. Different sorts of programs, data, or libraries can be stored and organized in folders. As well as containing other folders, folders can also contain files or other files. Folders are also referred to as file directories or simply directories due to the way in which they arrange and store data within the file system of the storage medium. The number of folders or subfolders that can be made is unlimited.
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when passing an array as a parameter, which array element type does not require a second parameter defining the number of elements in the array?
Pass an array as a pointer to pass it as a parameter to a function (since it is a pointer). For instance, the following method sets array A's first n cells to 0.
In C++, an entire array cannot be provided as an argument. However, by mentioning the array's name, you can supply a pointer to an array without an index.
Only the array name is supplied as a parameter to pass a full array to a function. calculateSum(num), result But take note of how [] is used in the function specification. This tells the compiler that you are handing the function a one-dimensional array.
When we provide an array to a function as an argument, we are actually passing the address of the array in memory, which is the reference. To pass an array to a function, simply pass the array as the function's parameter (like normal variables).
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molly has just taken a test of her capacity to learn to be a computer programmer. this is an example of a(n) test.
Where Molly has just taken a test of her capacity to learn to be a computer programmer. this is an example of a(n) Aptitude test.
What is an Aptitude Test?The Computer Aptitude Test is a scientifically proven test that assesses your ability to operate with computers. Essentially, it assesses your capacity to solve issues rapidly, which is required to fully excel in the sector of information technology. This exam does not require any computer skills or experience.
The Programmer Aptitude Test is intended to assist organizations in hiring entry-level programmers by assessing a candidate's ability to acquire and apply the skills required to be a successful programmer. The exam assesses two critical skills for strong IT performance: 1) linear thinking and 2) learning capacity.
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What does ""we have received notice that the originating post is preparing to dispatch this mail piece"" mean (from USPS)?
It indicates that the item or items you are shipping through the USPS have had tracking information generated for them, have typically been scanned into the system, and that the originating post, which serves as the starting point for those packages, is preparing to move that shipment through the USPS infrastructure.
What is USPS (U.S. Postal Service)?
The U.S Post Office, also referred to as the United States Postal Service (USPS).
The delivery of mail service throughout the United States, including its associated states and insular territories, is the responsibility of U.S. Mail, an independent executive branch organization.
It is one of the few governmental organizations that the US Constitution expressly grants authority to.
516,636 career employees and 136,531 non-career employees work for the USPS as of 2021.
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if your routing table has a static, a rip, and an igrp route to the same network, which route will be used to route packets?
If a routing table has a static, a RIP, and an IGRP route to the same network, among these 'IGRP' route will be used to route packets.
Interior Gateway Routing Protocol or IGRP is a distance vector interior gateway protocol (IGP) introduced by Cisco. IGRP is used by routers in order to exchange routing data within a host network or autonomous system. IGRP is used to control the flow of routing information within connected routers in the host autonomous system or network. IGRP is a classful routing mechanism that covers an administrative distance of 100.
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1. prior to java 7, you write to a file with a call to the bufferedwriter class's write() method. true or false? true false
True. The BufferedWriter class provides a write() method that can be used to write characters, strings, and arrays of characters to a file. Before Java 7, you would use the BufferedWriter class to write to a file.
In Java, the BufferedWriter class is a type of Writer that provides buffering for output streams. It stores output in an internal buffer, which is written to the underlying output stream only when the buffer is full or when the flush or close method is called. This can improve the performance of output operations by reducing the number of calls to the underlying system, which can be expensive. It is important to call the close method when you are finished using the BufferedWriter, as this will release any resources that it is using and ensure that the output is properly written to the underlying stream.
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which would you use to replace the contents of an html page with the value stored in a variable named student?
Answer:
(Student.innerHTML);
suppose you write a program that reads numbers and displays the distinct numbers. the order of the number does not matter. the best data structure for storing the numbers in the program is
Basic actions are carried out through methods in the Collection interface, such as int size(), boolean isEmpty(), boolean contains(Object element), boolean add(E element), boolean remove(Object element), and Iterator iterator ()
Are array lists LIFO or FIFO?
Random access is used in arraylist. Within the list, elements can be added and removed anywhere. Despite not precisely enforcing this behaviour, you can use this as a FIFO data structure. Use Queue in its place if you require strict FIFO.
List or array, is ArrayList?
An object-containing dynamic array is made using the ArrayList class. The index is used to identify and access the elements created by the list interface, which are kept in a sequence. Making an array of objects using ArrayList
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what is the level of encryption of the public/private key pair that is contained in the domain-server-ca in microsoft server 2019?
The level of encryption of the public/private key pair that is included in the domain-server-CA in Microsoft Server 2019 is '2048-bit encryption'.
Encryption is a vital component of digital communication. Encryption is a computing process that encodes plaintext (human-readable data) into ciphertext (encrypted data). The encryption data is made accessible only by authorized users with the right cryptographic key. In simple terms, encryption converts readable data in such a format that only people with the right password can decode and view it.
The domain-server-CA in Microsoft Server 2019 provides a public/private key pair with an encryption level '2048-bit'.
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asynchronous transfer mode is a better internet protocol. why is tcp/ip the most common protocol used today?
The most widely used email protocol, SMTP, which is a component of the TCP/IP package, regulates how email clients transmit users' email messages. Email messages are sent from the client to the email server to the receiving email server via SMTP on email servers.
The four tiers of TCP/IP functionality each have a different set of protocols: Applications can share data in a standardized manner thanks to the application layer. HTTP, FTP, Post Office Protocol 3, Simple Mail Transfer Protocol, and Simple Network Management Protocol are some of its protocols. Given that there are at least one billion hosts and an additional one billion websites on the worldwide Internet, the TCP/IP protocol stack or suite is well-liked. Additional security safeguards are needed for the protocol suite. A upper layer protocol used by apps is called the Hypertext Transfer Protocol (HTTP). Due to its widespread usage, this is significant. VPN tunnels and web sockets have both been known to use it in addition to web pages and online services.
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laura wants to deploy a wpa2 secured wireless for her small business, but she doesn't have a radius server set up. if she wants her wi-fi to be encrypted, what is her best option for wireless authentication?
Her best option would be to use WPA2-Personal or WPA-Personal, which are pre-shared key (PSK) authentication methods that do not require a RADIUS server.
What is WPA2?
WPA2 is a security protocol used to protect wireless networks. It is the successor to the original Wi-Fi Protected Access (WPA) protocol, and is one of the most widely used wireless security protocols. WPA2 uses a combination of encryption and authentication to provide strong security for wireless networks. The encryption used by WPA2 is based on the Advanced Encryption Standard (AES), which is considered to be one of the strongest available. Additionally, WPA2 uses an authentication protocol known as 802.1x, which requires users to authenticate with a username and password before they can access the network. WPA2 also provides enhanced security features such as robust key management, message integrity checks, and secure remote access. WPA2 is the most secure wireless security protocol available, and is recommended for all wireless networks.
These methods use a shared password, which is entered into the wireless router and all clients that connect. This password is used to encrypt the data transmitted over the wireless connection.
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which aws service is effectively a nas in the cloud, allowing you to connect it to multiple ec2 instances at once?
Which AWS service allows you to connect it to numerous EC2 instances simultaneously and functions as a NAS in the cloud? With Amazon EC2 instances, Amazon EFS (Elastic File System) offers straightforward, scalable file storage.
In 2006, Amazon Online Services (AWS) started providing organisations with web services for IT infrastructure, which is today referred to as cloud computing. The ability to replace upfront capital infrastructure expenditures with low variable costs that grow with your organisation is one of the main advantages of cloud computing. Businesses don't have to prepare for and buy servers and other IT equipment in advance thanks to the Cloud. Instead, they can quickly put up hundreds of thousands of servers and produce results more quickly.
Today, Amazon Web Services offers a highly dependable, scalable, affordable cloud infrastructure platform that serves as the foundation for hundreds of thousands of organisations across 190 nations. United States-based data centre locations
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you have an error in your sql syntax; check the manual that corresponds to your mysql server version for the right syntax to use near
A simple grocery list, a photo gallery, or the enormous volume of data on a business network might all be examples. You require a database management system like MySQL Server in order to add, access, and process data kept in a computer database.
What is the error in MySQL syntax?Depending on the most likely reason of the MySQL 1064 problem, there are five different approaches you can try: retype commands that were mistyped, replacing outdated commands, Include missing data, designate reserved words, In compatibility mode, move WordPress databases.
Any time there is a problem with your SQL syntax, such as employing reserved terms, missing data in the database, or incorrectly typed/outdated commands, you will see the 1064 error.
There are two primary reasons and fixes for the issue "MySQL server has disappeared": Due to server timeout, the connection was cut off. Check to see if the wait timeout mysql variable in your my.cnf configuration file is large enough to handle your workload, for example wait
timeout = 28800. By replacing the semicolon with a colon, you may fix this incorrect syntax in Python.
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which of the following statements regarding static methods is true? group of answer choices static methods should be liberally used within classes. static methods are not very common. use of static methods usually leads to good object-oriented design. static methods can be easily evolved to add more functionality.
Static methods cannot directly access non-static methods created inside the same class as they are called using an object reference to an object of the class in which they are declared. Instead, they can be called using an object reference to an object of that class.
What is the maximum number of declared static variables per class?Only one static variable exists for each class. Each object's unique class area is where it is kept. a. All classes of objects have access to a single copy.
What is the maximum number of declared static variables per class?Static variables, also referred to as class variables, are those that are declared in a class but not inside of a function, constructor, or block. Every class variable would only have one instance.
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which of the following prohibits the use of manipulative and deceptive devices to bypass sec rules? select one: a. section 15(a) b. section 10(b) c. rule 2 d. section 5
The use of manipulative and deceptive technologies to circumvent the restrictions is prohibited by section 10(b).
Technology is the systematic and repeatable application of knowledge to the accomplishment of useful goals. The outcome of such an endeavor is sometimes referred to as technology. technologies is widely used in daily life, including in communication, industry, daily activities, science, medicine, and other fields. The term "technology" refers to both real items like machinery or utensils as well as intangible things like software.
Societal transformations have been prompted by numerous technical advances. The earliest technology that has been identified is the stone tool, which was employed in the prehistoric past. This was followed by the use of fire, which helped to accelerate the development of language and the expansion of the human brain during the Ice Age. Travel was made easier and more complex machinery could be built thanks to the bronze age invention of the wheel.
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