Your computer needs to know the MAC (Media Access Control) address of a host when it wants to communicate with that host over a network.
Each device on a network is given a specific identifier called a MAC address, which is used to identify the device and initiate contact with it.
A computer can find the MAC address of a host it wants to connect to in a number different ways. One method is for the computer to broadcast a request over the network for the host's MAC address. All networked devices receive this message, but only the host with the desired MAC address will reply.
A computer can also use the Address Resolution Protocol to find out a host's MAC address (ARP).A computer can use ARP to identify the MAC address of a host based on its IP address when it wishes to interact with a host on the same network.
The MAC address of a host can also be found by a computer by looking up the address in a cache or table of previously known MAC addresses. In order to search up a host's MAC address fast in the future without having to broadcast a message or utilize ARP, a computer caches the host's MAC address when it connects with it.
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100 POINTS!!!
Type the correct answer in the box. Spell all words correctly. Michael works for a graphic design firm. He is creating an informative poster. He needs to add a great deal of text in the poster. What tool will help him format the text? Michael will use___________ a tool to help format the text for creating an informative poster.
Answer: I Think The Answer is Format Tool
Explanation: If its wrong I Am Sorry;}
What are types of security requirements?
Functional requirements, nonfunctional requirements, and derived requirements security requirements are the different categories.
A function is defined by a functional requirement in software engineering and systems engineering, where a function is defined as a definition of behavior's between inputs and outputs.
Functional requirements specify what a system is expected to do and can include computations, technical details, data processing and manipulation, among other functions.
Use cases, which are used to define all the ways the system uses the functional requirements, are known as behavioral requirements. Non-functional requirements (sometimes referred to as "quality requirements") support functional requirements by placing restrictions on the design or execution (such as performance requirements, security, or reliability). Functional requirements are typically expressed as "system must do," whereas non-functional needs are articulated as "system shall be."
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which type of lock prevents all types of access to the locked resource? select one: a. exclusive lock b. shared lock c. two-phased lock d. explicit lock e. implicit lock
An exclusive lock prevents all types of access to the locked resource. An exclusive lock is one that only allows one user to access a resource. Only after the resource's exclusive lock has been released can another user access it.
Exclusive locking occasionally turns out to be an overly hard and expensive locking mechanism. For instance, a lock timeout or the administrator's assistance would be needed to remove the exclusive lock in the event of a program crash or the lock owner forgetting to unlock the resource.
Owners of shared locks are free to coordinate their efforts using any other means of communication. The purpose of a shared lock is to inform collaborators of any potential outside contributors to a resource.
Multiple users can obtain a lock to a resource via a shared lock. Any user with the necessary access can therefore obtain the lock.
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when a superclass variable refers to a subclass object and a method is called on that object, the proper implementation is determined at execution time. what is the process of determining the correct method to call? late binding. early binding. on-time binding. non-binding.
An interface provides a default implementation for a collection of methods that can be invoked on an object.
When a method is called on a subclass object that is referenced by a superclass variable, the correct implementation is chosen at execution time. Implementing an interface in Java is done using the implements keyword. An interface is a particular kind of class that only has abstract methods and fully implements an abstraction. If a class doesn't override the interface's default concrete implementations, the class receives them when it implements the interface. In Java SE 8, default methods—public methods with actual implementations that describe how an operation should be carried out—may be declared in an interface.
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assuming that all processor clock speeds are identical, executing a given software algorithm on a multicore processor is always faster than executing the same algorithm on a single-core processor. group of answer choices true false
It is false that assuming that all processor clock speeds are identical, executing a given software algorithm on a multicore processor is always faster than executing the same algorithm on a single-core processor.
A multi-core processor is an integrated circuit having two or more processing cores attached for increased performance and reduced power consumption. These processors also enable the more efficient multithreading and parallel processing of various jobs. Comparable to adding many distinct CPUs in a computer, a dual-core setup. However, because they are plugged into the same socket, the connection between the two CPUs is faster.
Using multicore processors or microprocessors is one technique to boost processor performance while remaining within the realistic constraints of semiconductor design and manufacturing. Utilizing several cores also ensures secure operation in industries like heat generation.
Imagine it as a road with automobiles on it. Even though every car is a processor, they all travel on the same roads and must abide by the same traffic laws. While having more cars allows for faster movement of goods and people, they also add to congestion and other problems.
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you need to allow your network technician to view the rms logs and reports, but no additional permissions should be granted to this technician. what can you do?
Delegate the AD RMS Auditor role you need to allow your network technician to view the rms logs and reports, but no additional permissions should be granted to this technician.
Three distinct administrative roles are provided by Active Directory Rights Management Services (AD RMS), which can be used to more effectively assign control over your AD RMS infrastructure. When you first install AD RMS in your business, these roles are generated.
The functionalities in the AD RMS console are completely accessible to the AD RMS Enterprise Administrators group. When you install AD RMS, the user account that performed the installation is immediately assigned to this group. You should only allow people that need access to all AD RMS settings to join this group.
Rights policy templates can be made and managed by the AD RMS Templates Administrators group. Although it is created during the installation of AD RMS, no users are initially added to it. Keep in mind that having the ability to develop and administer templates might, in turn, grant you access to any type of protected content. Therefore, only users with whom you have a high level of confidence should be part of this group.
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quick search lets you refine or narrow your search results using links under tweak my results. why might you use this tool to limit your search results by creation date?
The quick search tool limits your search results by creation date so that you can focus on recent material available. You may get better results by limiting the area that a search engine will search in order to reduce the number of results.
The ability to filter searches by the creation dates of online pages is available on several search engines. This is a highly helpful feature for folks who plan to conduct ongoing studies on a certain subject because it allows them to restrict the results to sites added since their previous search.
Your search results are reduced to more recent material. It may discover a page that is unimportant or out of the way and only index it once. This obscure, never-updated page is still appearing in your search results two years later. Only the most recent matches will be returned if you restrict your search to a more recent date period. It also aids in avoiding current happenings. It enables you to evaluate outcomes across time.
A count like this isn't perfect, of course; indexing dates alter over time. But in general, it functions well enough that trends may be seen.
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Which is an example of proprietary operating system?
Microsoft Windows,Adobe Flash Player, the Java runtime environment from Oracle, iTunes, Adobe Photoshop, WinRAR,are some examples of proprietary software.
As a result, it can be inferred from the information provided that Microsoft Windows is an example of proprietary system software. Typically, proprietary OSs or closed source OSs are created, developed, and marketed by a specific firm and are not intended to be modified or customized by consumers. Linux is a free, open-source operating system distributed under the GNU General Public License, while proprietary operating systems are typically run on name-brand vertically integrated switches. Windows is a collection of several proprietary graphical operating system families created and marketed by Microsoft (GPL). Anyone may use the source code and run, examine, edit, and distribute it, as well as sell copies of their modified versions, provided they do so in accordance with the same license.
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the function below takes two string parameters: sentence is a string containing a series of words separated by whitespace and letter is a string containing a single lower case letter. it is supposed to return a string containing one of the words in sentence that contains letter (in either upper case or lower case) while retaining the original capitalization. can you fix it?
print(extract_word_with_given_letter('hello how are you?', 'w')).
How do function types work?A function type, also known as an arrow type or perhaps an exponential type, seems to be the type of variable as well as parameter that a function has or may be assigned to, as well as the argument or output form of a higher-order functions that accepts or returns a function.
Briefing:
def extract_word_with_given_letter(sentence, letter):
words = sentence.split()
for word in words:
if letter in word.lower():
return word
return ""
Testing the function here.
ignore/remove the code below if not required
print(extract_word_with_given_letter('hello HOW are you?', 'w'))
print(extract_word_with_given_letter('hello how are you?', 'w'))
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there is a linux command called uname. when executed, the uname command will output important information about the system. which uname command option will output only the kernel version?
Linux command Uname has numerous other settings that enable us to isolate only the data we require. The -r or --kernel-release option, which solely displays details on the kernel release, is one such instance.
$ uname -r
output: 5.8.0-59-generic
The name of the operating system you are using is printed on standard output by the uname command. The machine ID number is made up of 12 characters and is formatted as xxyyyyyymmss. The system is shown by the xx positions, which are always zero. The system's unique ID number can be found in the yyyyy positions.
Syntax: uname [OPTION]
Use the -v or --kernel-version option to print information about the kernel version.
$ uname -v
#88~20.05.1-Ubuntu SMP Thu Jan 19 12:00:10 UTC 2022
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you have a laptop running windows 10. user account control (uac) has been disabled. how would you re-enable uac on the laptop? (select two. each choice is complete solution.)
You have a laptop running Windows 10. User Account Control (UAC) has been disabled. In the Control Panel, select System and Security, then Security and Maintenance.
In the Control Panel, select User Accounts, then User Accounts.
What does User Account Control do?
User Account Control (UAC) prevents malware from damaging your PC and helps businesses provide a more managed desktop. With UAC, apps and tasks always run in the security context of a non-administrator account unless an administrator explicitly grants administrator-level access to the system.
Where is User Account Control?Check if UAC is enabled in the Start menu, and click Control Panel. From there, click User Accounts. You will see an option to Turn User Account Control on or off. Click this and you'll see a checkbox to enable User Account Control. Under Security Settings, select Local Policies > Security Options.
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data compression encoding systems such as mp3 rely on analysis of the recording to find sounds and remove them from the bit-stream?
Yes, data compression encoding systems such as MP3 rely on analysis of the recording to identify and remove redundant or unnecessary information from the data stream.
Music and other audio files are frequently stored and transmitted using the lossy audio compression standard MP3. It operates by examining the audio signal to find patterns and traits that can be used to compress the amount of data while maintaining the audio's quality.
Identifying and removing noises that are inaudible to the human ear or that are obscured by stronger sounds is one of the fundamental methods employed by MP3 and other data compression systems. This can include noises that are audibly inaudible to humans, or sounds that are present but at low volume and are overpowered by other sounds.
Predictive coding, which predicts and encodes future samples based on the properties of the audio signal, and lossless compression, which shrinks the amount of the data stream without sacrificing quality, are two further methods employed by data compression systems.
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Nicole wants to create a database to collect information about videos in her video rental store. She would like to use the database to look up movies by rating, actors, producer, and title. She would also like to retrieve the movies that are in stock. What fields should she have in her database?.
The fields that Nicole must have in her database is title, producer, actor, rating, and in stock.
What is field?Field is a set of data in database system with same data type. Field usually referred as a column or attribute but it also can hold another data like pictures, movie clips, etc.
Since, Nicole only want to look up movies by rating, actors, producer, title, and in stock movies. That all can be used as fields in her database with the appropriate data type for each field, also if Nicole want her also put more field for one category like actor 1, actor 2, actor 3, or rating 1, rating 2, rating 3.
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in python, an infinite loop usually occurs when the computer accesses an incorrect memory address. t or f
It is untrue to say that when a computer accesses a wrong memory location, an infinite loop often results.
What purposes serves Python?Python is commonly employed to build websites and applications, automate time-consuming operations, and analyze and present data. Since Python is fairly easy to learn, many professionals who are not programmers have utilized it for a variety of ordinary tasks, including handling funds, such as bankers and scientists.
Is Python suitable for novices?Python is a great programming language for experienced developers as well. It's among the most widely used languages for programming around the world, maybe as a result of how simple it is for novices to learn.
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a computer network that is restricted to the organization it serves; an internal internet.
The given statement is true because a computer network that is restricted to the organization serves as an internal internet.
An internal internet also known as intranet is a local network that only is only accessible to people within the organization. The intranet is the most restricted network. It can be stated as the intranet is the network for sharing information, collaboration tools, operational systems, easier communication, and other computing services within a setup of the organization, typically to the exclusion of access by outsiders. Thus, it is said to be as the internal internet or intranet is the restricted netwrok to be used by the organization only.
"
Complete question:
a computer network that is restricted to the organization it serves; an internal internet.
True
False
"
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in 1998, an act was passed by congress that established a moratorium on taxing isps on the services they provide to computer users. this act was called the:
In 1998, an act was passed by congress that established a moratorium on taxing ISPs on the services they provide to computer users, this act was called the: Internet Tax Freedom Act.
What is the Congress?The Congress is sometimes referred to as Senate and it can be defined as a deliberative assembly or council of elected citizens found in the upper chamber or house of a bicameral legislature.
This ultimately implies that, Congress is a federal legislative arm of government of the United States of America, which is saddled with the responsibility of oversight functions, enacting and passing federal laws, acts, and bills for the citizens, with the steps enumerated above.
On the 1st of October 1998, the United States Congress passed the Internet Tax Freedom Act and it was an act which typically established a moratorium on taxing internet service providers (ISPs) on the services that they provide to computer users in the United States of America.
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you are the network administrator for your company. all computers are joined to a single active directory domain. several computers store sensitive information. you are configuring security settings that will be distributed to all computers on your network. you want to identify attempts to break into a computer by having the computer that denies the authentication attempt note the failed attempt in its security database. how can you create a policy that meets these requirements?
policy that meets these requirement Select Failure for Audit account logon events
Administrators use what to configure control and manage users and computers.?Group Policy is a hierarchical infrastructure that enables a network administrator in charge of Micro soft's Active Directory to implement specific user and computer configurations. Group Policy is primarily a security tool, and can be used to apply security settings to users and computers.
What type of group is typically used to manage resources in a domain?Domain local groups should be used to manage resource permissions because they can be applied anywhere in the domain. A domain local group can include members of any type in the domain and members from trusted domains.
Which of the following does an Active Directory client use to locate objects in another domain?Active Directory stores location information on objects in the database, but it uses the Domain Name System (DNS) to locate domain controllers. Every domain in Active Directory has a DNS domain name, and every joined computer has a DNS name within that same domain.
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which package provides tools for scientific and mathematical computations in python?
The core Python module for scientific computing is called NumPy. It adds support for huge, multivariate arrays as well as a sizable library of advanced math operations that can be used on these arrays.
What purposes serves Python?Python is frequently used for creating websites and applications, automating repetitive tasks, and analyzing and displaying data. Python has been used by many non-programmers, including bankers and scientists, for a range of routine activities including managing finances since it is very simple to learn.
Is Python suitable for novices?Python is a great programming language for experienced developers as well. It's among the most widely used languages for programming around the world, maybe as a result of how simple it is for novices to learn.
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Sebastian is the hr department's trainer. He is developing various materials to teach the fundamentals of using a virtual private network (vpn) to a variety of audiences, from the president and vice presidents of the corporation to newly hired mid-level managers and entry-level employees. After implementing his training program some weeks ago, he began getting calls from the it help desk stating that users are contacting them with troubleshooting issues for their vpn sessions. The help desk technicians do not know how to respond. What is the most likely problem?
First, attempt to block the firewall from communicating with the VPN, then restart.
Below is a list of the most likely issues.
The difficulty connecting to a virtual private network might be caused by a firewall issue.
Initially attempt to halt the firewall's contact with the VPN, then resume.
If the tunnel connection is established incorrectly, troubleshooting problems may also result. The server's VPN connection has to be verified, and any superfluous features should be turned off. It's also possible that the VPN's crash is what's causing the troubleshooting difficulty. You should try to remove any unused software from your computer. You need update the antivirus. Along with updating the server software, clients should also receive updates. Reinstate the VPN, if possible. Additionally, there is a possibility of incorrect port connection.
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what is (was) a chord set? a computer peripheral allowing users to make music (striking chords). a data structure used at one time in software engineering but not used any longer. a shortcut device allowing computer users easy access to functions. the original name for the computer keyboard.
A chord set is a shortcut device allowing computer users easy access to functions. Chorded keyboard or chord set is a computer input device that allows the user to enter characters or commands formed by pressing several keys together.
A keyset or chorded keyboard (also called a chorded keyset, chord keyboard or chording keyboard) is a computer input device that allows the user to enter characters or commands formed by pressing several keys together, like playing a "chord" on a piano. A keyboard is for putting information including letters, words and numbers into your computer. You press the individual buttons on the keyboard when you type. The number keys across the top of the keyboard are also found on the right of the keyboard.
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________ uses a dedicated connection between two points with the connection remaining active for the duration of the transmission.
Circuit switching uses a dedicated connection between two points with the connection remaining active for the duration of the transmission.
What is circuit switching?Circuit switching is a method of switching in which an end-to-end path is created between two stations in the network before data transmission begins. The circuit switching method has a fixed data rate and both must operate at that fixed rate. Switching is the simplest method of data transmission in which a special physical connection is established between two individual senders and receivers. To establish this particular connection, a group of switches is connected by a physical link.
Advantages of Circuit Switching:
Dedicated transmission channel is established between computers, providing guaranteed data rates. No delay in data flow due to dedicated line.Disadvantages of Circuit Switching:
It takes a long time to establish a connection.More bandwidth is required to configure dedicated channels.It cannot be used to transmit other data even when the channel is idle because the connection is reserved for switching.Lean more about circuit switching https://brainly.com/question/29668380
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In python, an infinite loop usually occurs when the computer accesses an incorrect memory address.a. trueb. false
Answer:
a. true
Explanation:
2 - identifiez fill in the blanks activity 2 attempts left late due november 8th 11:59 pm instructions you will hear a series of words. write the word that does not belong in each series.
Economic sanctions programs are generally administered and enforced by the Office of Foreign Assets Control against nations and specialized categories of people, such as terrorists and drug traffickers.
To achieve aims in foreign policy and national security, sanctions can be either sweeping or selective, using the asset freezing and trade restrictions. Sanctions management has a long history at the Treasury Department. Gallatin, Secretary of the Treasury, oversaw the sanctions against Great Britain for harassing American seamen beginning before the War of 1812. Congress passed a statute during the Civil War that forbade trade with the Confederacy, demanded the loss of products used in such trade, and established a licensing system governed by Treasury-managed rules and regulations.
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how can technology help u communicate better
The way that technology can help a person to communicate better is by:
Better InteractionReliability of informationSpeed in information delevery, etc.What is the ways that tech has helped man?Unprecedented developments have been brought about by technology in this globe. The days of commuting between locations on camels and horses are long gone. The development of the automobile altered how people thought about transportation.
Technology is a progressive thing because it is unstable. It never stops evolving and moving quickly. Instantaneous communication with anyone, anywhere in the globe, is now a possibility. Globalization has reached its zenith, and no one knows what lies ahead. However, technology has greatly benefited the communication industry in a variety of ways.
Therefore, through the ability to collaborate closely with clients who may even be on the other side of the world, technology has an impact on communication. Using programs like Zoom, Microsoft Teams, and Go ogle Meet, it is feasible to stay in touch with clients while working remotely.
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Create a parameter query where the user will enter a value to use as the criterion for the deptcode.
A parameter query is a special type of query in Access that allows users to enter values at runtime to use as criteria for the query. This allows users to tailor the query to their specific needs.
How to create a parameter query using a deptcode?Create a new query in Access and select the table or tables containing the Department Code field.Add the Department Code field from the table to the query design grid.Right-click the Department Code field and select "Build".In the Criteria line, enter the prompt text you want to appear when the query is run, such as "Enter Department Code:"In the next line, enter the parameter, such as "[Enter Dept Code]".Run the query and enter a valid Department Code when prompted. The query will run and return the results where the Department Code matches the value entered.A parameter query is a powerful tool in Access which allows the user to customize their query to their specific needs. To create a parameter query in Access, users can open a new query, add the table or tables containing the field they are looking to query, add the field to the query design grid, right-click the field and select "Build," enter a prompt text and a parameter as the criteria, and then run the query.
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Why is mandatory reporting important in aged care?
Elder abuse can result in serious mental and physical harm, even death, if it is not reported.
When elder abuse is reported, law enforcement and the APS have a chance to look into the allegations. Additionally, it enables lawyers to offer initial assistance to hurt individuals. Mandated reporters are obligated by law to file reports of alleged elder or child abuse as quickly as is reasonably possible. The reporting of suspected cases of abuse by mandated reporters is completely exempt from civil and criminal penalties. All populations are incredibly susceptible to abuse and neglect, so as a healthcare provider, you must be aware of the typical symptoms, indications, and symbols. Nursing professionals are obligated to report any allegations of abuse.
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janice is in the market for a new smartphone when she sees an ad online touting the new features of the latest samsung model. she had not thought about buying a samsung and doesn’t know how much it costs, but the ad made her want to research this type of smartphone further. what feature of advertising does her response exemplify?
The promising Samsung marketing strategy focuses on promoting its smartphones and appealing to the audience by leveraging the power of exceptional marketing campaigns. Sponsorships, social media ads, and online advertising all helped to strengthen the brand.
What is Marketing strategy?
A marketing strategy is a company's overall game plan for reaching out to potential customers and converting them into paying customers for their products or services. A marketing strategy includes the value proposition of the company, key brand messaging, data on target customer demographics, and other high-level elements.
A comprehensive marketing strategy addresses all four Ps of marketing: product, price, place, and promotion.
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a data source can be shared among database users as long as they have the same dbms driver and privilege to access the database. select one: a. file b. common c. shared d. system e. user
A File data source can be shared among database users as long as they have the same dbms driver and privilege to access the database. They are typically more adaptable to use than machine data sources since they store connection information in a text file rather than the Windows registry.
So that your program can rely on consistent and accurate connection information across all of the machines it uses, you can, for instance, copy a file data source to any computer that has the appropriate ODBC driver. Alternatively, you can put the file data source on a single server, distribute it across numerous machines connected to the network, and conveniently manage the connection information in a single place.
A file data source or also known as DSN files, may also not be able to be shared. A machine data source is referenced by an unshareable file data source that is contained on a single computer. You can access existing machine data sources from file data sources by using unshareable file data sources.
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what technique has been used to protect copyrighted material by inserting digital watermarks into a file?
Answer:
Steganography
Explanation:
this helps, for example, operating systems, to be given to consumers digitally without the need of a disk and the little slip of paper stating all the legal things nobody reads
What does authoritarian mean? ruling authority is granted to individuals by the government ruling by aristocracy requiring acknowledgment of authorship requiring strict obedience to an authority, such as a dictator
Authoritarian mean requiring strict obedience to an authority, such as a dictator.
What does the word "authoritarian" actually mean?Authoritarianism is the idea that everyone must submit to the will of the majority without question. Authoritarianism in politics refers to any political system that concentrates power in the hands of a ruler or a small elite that is not legally obligated to answer to the general populace. All three members of the Axis—Nazi Germany, Fascist Italy, and Imperial Japan—had totalitarian or autocratic regimes, and two of the three were succeeded by regimes with democratic constitutions. An alliance of democratic nations and (later) the Soviet Union were known as the Allies.
Political repression and the elimination of possible rivals keep highly concentrated and centralized authority in place under an authoritarian regime.
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