Cleanup firewall rules periodically to reduce the network attack surface.
Firewall rules permit business-fundamental traffic to travel through the network and block dangerous traffic from entering. This command over the web traffic going to and from the organization's network guarantees network security. The standard set ought to be solid and shouldn't contain any escape clauses.
Unused rules structure a significant escape clause and are simple for aggressors to take advantage of. An unused rule is essentially as terrible as a feeble rule. Unused rules are strange essentially. Any oddity in the standard set can make the whole network defenseless.
The firewall cleanup process includes two stages. The initial step is to distinguish the unused rules, and the following stage is to eliminate unused firewall rules. To do this you really want a productive firewall policy cleanup tool. Tidy up firewall rules to make your standard set more grounded by basically eliminating any unused rules.
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reparation checklist to determine what to study should include
a. Meeting with a teacher, reviewing tests,
Both of these
c.
b.
reviewing past assignments
Meeting with teachers, reviewing past tests, d. None of these
finding copies of old text books
Please select the best answer from the choices provided
Preparation checklist to determine what to study should include option B: Meeting with a teacher, reviewing tests, and reviewing past assignments.
What is Preparation checklist?This form of actions will allow you to identify your strengths and weaknesses in the subject, and help you focus on the areas that need the most improvement.
Meeting with a teacher can give you valuable guidance on what specific topics you should focus on, and reviewing past tests and assignments can help you understand what types of questions and concepts are typically covered in the subject.
So therefore, finding copies of old textbooks may also be helpful, but it is not as important as the other three options listed.
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explain how bar graphs can show comparisons between two topics
The way that the bar graphs can show comparisons between two topics is that: It can physically depict the sum difference that exist between 2 comparisons.
In a bar graph, how do you illustrate comparisons?To make it possible to compare different values, use a clustered bar graph or a side-by-side bar chart. To emphasize the link between parts and wholes, use stacked bar graphs. In this situation, comparing distinct values is not the goal. In case your audience can understand it, use a logarithmic scale.
When displaying sections of data, bar charts should be used. Using vertical bar charts, you may compare several discrete or categorical variables.
Therefore, Bar charts are typically used to compare information from a data collection by depicting each value (information) with a set of rectangular bars. The x-axis and y-axis of the bar graph are used to depict the many kinds of data that were gathered.
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buffering in i/o is used to a) cope with a speed mismatch between the producer and consumer of a data stream. b) provide adaptations for devices that have different data-transfer sizes. c) support copy semantics for application i/o. d) all of the above.
Buffering in i/o is used to cope with a speed mismatch between the producer and consumer of a data stream.
What is the purpose of buffering?Reasons for Buffering:As communicated data travels between devices or between a device and an app, the buffer temporarily stores information. In a computer system, a buffer refers to a specific quantity of data that will be saved in order to preload the necessary data just before the CPU uses it. Buffering I/O the act of transmitting data between a CPU and a peripheral and temporarily storing it. The common goal is to even out the disparity between the two devices' data handling speeds. An electronic dictionary,Buffering I/O.Buffering in i/o is used to cope with a speed mismatch between the producer and consumer of a data stream.To learn more about Buffering refer to:
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what does a technician need in order to make changes to software installed on the computer of a customer?
A technician needs the customer's permission before making any changes to a computer.
What kind of work does a level one technician at a call center typically do?A level one technician's main duty is to obtain information from the customer. All of the data must be accurately entered into the work order by the level one technician.
Which of the following software launches first when you turn on your laptop?computing device. When a computer is turned on, an operating system, a specific program, must be started. By handling the intricate logistics of hardware management, the operating system's job is to make other computer applications more functional.
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a calendar for the current month can be shown on the command line by issuing which command?
By default, the cal command shows the current month calendar as output. The cal command is a calendar command in Linux which is used to see the calendar of a specific month or a whole year.
Cal is a terminal command utilized in Linux to print a calendar. Basically type cal to show the ongoing month calendar.
Naturally, the cal command shows the ongoing month calendar as a result. The cal command is a calendar command in Linux which is utilized to see the calendar of a particular month or an entire year.
cal is accessible preinstalled in practically all Linux circulations. In the event that you are getting command not found blunder while running cal or from a slam script, conceivable in light of the fact that ncal isn't accessible.
On Ubuntu/Debian new ncal supplanted cal, which goes under bsdmainutils bundle. You can get cal working by introducing ncal.
On the off chance that no contentions are given the cal command shows the ongoing month calendar with the ongoing date featured.
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what is the purpose of the self parameter? group of answer choices to create variables with public visibility enables changes in the implementation without affecting users of a class store the data for all objects created by the same class refers to the object on which the method was invoked previous
To access class-specific variables, use the self parameter, which is a reference to the currently running instance of the class.
What is a self parameter ?There is no way around the term "self" while working with Pythn.
Both the defining of methods and the initialization of variables use it.
Every time a method is defined, the self method is explicitly invoked.
The class instance is represented by the self. You can access the class's attributes and methods in Pythn with this keyword. It connects the given arguments and the attributes.
Pythn does not utilize the notation o refer to instance attributes, therefore we use self instead. In Pythn, there are ways that cause the instance to be passed but not automatically received.
Hence, To access class-specific variables, use the self parameter, which is a reference to the currently running instance of the class.
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when using the hootsuite planner feature, the fastest way to compose a new message is to:: press "command N" for new and begin typing
exit Planner and open the Composer
click on a time slot and choose new post
create a new stream and click the plus sign
Answer:
The fastest way to compose a new message when using the Hootsuite planner feature is to click on a time slot and choose "new post". This will allow you to quickly create and schedule a new message without having to exit the planner or create a new stream. Alternatively, you can also press "command N" for new and begin typing to quickly create a new message.
when a cryptographic system is used to protect data confidentiality, what actually takes place? answer data is available for access whenever authorized users need it. data is protected from corruption or change. encrypted data transmission is prohibited. unauthorized users are prevented from viewing or accessing the resource.
A Cryptographic system is used to protect data confidentiality when unauthorized users are prevented from viewing or accessing the resource. Basic protections that cryptography can provide are confidentiality, integrity, authentication, source authentication, authorization and non-repudiation.
There are two methods of cryptographic protection of files:
Symmetric.Asymmetric.The symmetric ways involves using the similar key to encrypt and decrypt data. Symmetric encryption has widely function to keep data confidential. Popular algorithms DES, 3DES, AES, IDEA point to the block encryption method.
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what is a type of malware designed to trick victims into giving up personal information to purchase or download useless and potentially dangerous software? multiple choice ransomware bug bounty program scareware malware
Scareware frequently generates pop-ups that resemble system error messages by exploiting browser vulnerabilities.
What kind of malware tries to get people to give up personal information in order to buy or download useless and potentially dangerous software?Scareware is a type of malware that tries to get people to download or buy software that might have malware in it. Scammers and cybercriminals use scareware attacks to trick users into thinking they need to buy malware disguised as legitimate cybersecurity software.
What does the term "SMiShing" mean?Smishing (once in a while adapted as SMiShing) alludes to phishing assaults that include the utilization of messages sent utilizing SMS (Short Message Administration). Would-be victims receive fake text messages, to which they respond directly or visit a phishing website.
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the advantages of command line operating system
the most common example of ____ data is the human voice.
The most common example of analog data is the human voice.
What is Analog?Analog is an adjective that describes a device or system in which information is represented by continuously changing physical quantities. A record player is a simple example of an analog device. The stylus continuously reads the unevenness of the record. Watches with hands are one such example because the hands move continuously on the dial, the clock can be displayed at any time of the day.
Analog contrasts with digital. Turntables are analog, but CD players, which read the binary data representing the audio signal, are digital. A clock with hands is analog, but a digital clock can only represent a limited number of times such as every tenth of a second. In general, computers are digital devices, but the human experience is analog. For example, our sight and hearing are constant transmissions of information to our senses. There are infinitely smooth gradations of shapes, colors, and sounds.
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Which of the following best describes Platform as a Service products?A. Services that hide infrastructure complexity behind a simple interfaceB. Platforms that allow developers to run their code over short periods on cloud serversC. Services that give you direct control over underlying compute and storage resourcesD. Services that provide a service to end users through a public network
Services that hide infrastructure complexity behind a simple interface describes Platform as a Service products.
What is infrastructure as a service used for?Infrastructure as a Service (IaaS) is a business model that provides internet-based pay-as-you-go access to IT infrastructure like computing, storage, and network resources. IaaS allows you to customise and request the resources you need to run your IT systems and applications.The three major parts of IaaS are computation, network, and storage.The infrastructure for cloud-based technologies is constructed by IaaS. With the aid of an API that can be given over the cloud, PaaS enables developers to create unique apps. SaaS is cloud-based software that businesses may purchase and utilise.In a software as a service (SaaS) architecture, a vendor hosts an application for an organisation on a distant server before making the app's features available to that company's end users through the Internet.Learn more about Infrastructure as a Service refer to :
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What tips might you offer to your friend, based on what you’ve learned in this lesson, to help him/her demonstrate motivation and a positive work ethic?
The tips given to friend is : Punctuality. Focus. Dedication. A Desire to Improve.
How do you demonstrate a good work ethic?Being focused, disciplined, and orderly, as well as putting distractions like your phone aside, contribute to your work ethic. You may demonstrate your capacity to focus and finish activities on time by effectively managing your time.It entails demonstrating to others how to work hard and give your all. Since most individuals with strong work ethics are conscious of the impact their actions have on other people, they frequently want to set an example for others. Anyone can rely on these folks to put forth hard effort, maintain concentration, and produce.Integrity. Integrity extends to every facet of a worker's position.Sense of obligation. An employee's productivity and workload are both impacted by their sense of responsibility.To learn more about Work ethic refer,
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the base case does not require ________, so it stops the chain of recursive calls.
The base case does not require recursion, so it stops the chain of recursive calls.
What is recursive call?A recursive call occurs when procedure A calls itself or calls procedure B, which then calls procedure A again. Each recursive call places a new invocation of the procedure on the call stack.
The new invocation has new storage for all data items in automatic storage, and that storage is inaccessible to other invocations because it is local. (Unless the STATIC keyword is specified for the definition, a data item defined in a subprocedure uses automatic storage.)
Also, earlier invocations' automatic storage is unaffected by subsequent invocations. The new invocation makes use of the same static storage as the previous invocation, both the module's global static storage and the procedure's local static storage.
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. an index such as the p that indexes ptbr[ p ] is using 12 bit. how many different index values can be sustained ? an index value is a non-negative integer starting with 0 through the max possible value it can sustain.
The page is 256 bytes in size; There are 256 pages in the 64-bit space; Additionally, an 8-bit page offset and an 8-bit page number are part of a 16-bit address.
How many entries are there in the page tables for the first and second levels?256 entries are contained in the first level page table using the aforementioned subdivision, with each entry linking to a second level page table. Each entry in a page table at the second level points to a table at the third level. There are 256 entries on a third-page table, each pointing to a different page.
How many entries are required for a linear page table with one level?Each page requires one entry for the page table. We can see that the 232 byte address space needs to be divided into 220 pages if we assume a 4GB virtual and physical address space and a page size of 4kB (2,12 bytes). As a result, there must be 220 entries in the page table.
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which property would you use to get the node that contains the content for an element?
A node's value can be set or returned using the nodeValue property. The nodeValue property will return null if the node is an element node.
What attribute possesses an element's content?The element's text content, complete with inner HTML tags and all necessary spacing, is what the innerHTML property returns. The innerText property only returns the element's and all of its children's text content; CSS hidden text spacing and tags are not returned.
What is a node's property?The defaults object is used in the html specification of a node to define its properties. When a node instance is generated at runtime, these are the properties that are supplied to the node constructor function. The node in the example from the section on constructing your first node has a single attribute called name.
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What are two reasons for physical layer protocols to use frame encoding techniques? (Choose two.) O to reduce the number of collisions on the media to provide better media error correction to increase the media throughput to identify where the frame starts and ends to distinguish data from control information 2. V
To reduce the number of collisions on the media. Frame encoding techniques are used to reduce the number of collisions on the media
By encoding the frames with specific patterns, the receiving device can easily identify when a frame is being transmitted and can avoid collisions with other frames.
To provide better media error correction: Frame encoding techniques also provide better media error correction. By encoding the frames with specific patterns, the receiving device can easily identify when a frame is corrupted and can take corrective action to recover the data. This helps to ensure that the data is transmitted accurately and reliably.
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what would make the motion in a video look smoother
Answer:
There are several techniques that can be used to make the motion in a video look smoother. Here are a few:
Increasing the frame rate: One of the most effective ways to make motion in a video look smoother is to increase the frame rate. This involves capturing and displaying more frames per second, which can help reduce the appearance of "choppiness" or "judder" in the video.
Using a higher shutter speed: Another way to smooth out motion in a video is to use a higher shutter speed. This involves taking shorter exposures when capturing the video, which can help reduce blur and make the motion appear more fluid.
Using a tripod or other stabilizing device: Using a tripod or other stabilizing device can help keep the camera steady and reduce the appearance of camera shake in the video. This can make the overall motion in the video look smoother and more stable.
Applying image stabilization: Many cameras and video editing software have image stabilization features that can help smooth out motion in a video. These features use algorithms to analyze the video and automatically correct for any camera shake or other motion artifacts.
Using motion graphics: Motion graphics can be used to smooth out transitions between shots or to add visual interest to a scene. This can help make the overall motion in the video look more polished and professional.
Explanation:
a disk has a rotation speed of 6000 rpm, and average seek time of 5 ms and data transfer rate of 4 mbps. what is its average access time for transferring one block of data of size 512 bytes from/to the disk? assume no other controller overhead and no queuing delay. express your answer in ms (i.e. milliseconds)
The typical rotational delay is 5.55 milliseconds. 1024 bytes divided by 10 MB/s equals about 0.1 milliseconds of transfer time.
1 byte will be transferred in 1 / 4 * 106 seconds, 512 byte will be transferred in 512 / 4 * 106 seconds = 0.128 ms Average access time = Average seek time + Average rotational delay + Transfer time = 5ms + 5ms + 0.128 ms = 10.128 ms Note: 1 MByte equals 106 bytes.
Given the block address, how much time does it typically take to transfer a block in MSEC?25 milliseconds One block is transferred in 25 milliseconds, so transferring 100 blocks takes 2500 milliseconds. If there are 13 cylinders to move on average, a 100-block file will take 7800 seconds at 6 seconds per cylinder. Last but not least, the total rotational latency is 10,000 msec and is 100 msec for each block.
How is the average transfer time calculated?To determine the transfer time, divide the amount of data by the transfer speed. Instead, enter the amount of data (A) and the transfer speed (S) into the equation T = A S to solve for the transfer time (T).
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which of the access control schemes listed is the least restrictive
The discretionary access control system is the least-restrictive form of the access control model.
What is an access control model?
The access control paradigm enables you to manage a process's capacity to access secure objects or carry out different system administration duties. The elements of the access control model and their interactions are high-level described in the following areas.
An access model is a profile of the Netezza system users who need access as well as the tasks or permissions they require. An access model typically starts small, with a few users or groups, but it frequently expands and changes as new users are added to the system.
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computer 1 on network a, with ip address of 10.1.1.8, wants to send a packet to computer 2, with ip address of 172.16.1.64. if the ttl value was set to 64 at the beginning, what is the value of the ttl once it reaches its destination?
The value of the TTL once it reaches its destination is determined by the fact that the packet is discarded by the router, and the Time Exceeded Error message is sent to the originating host.
What is TTL?TTL stands for Time-to-live (TTL). It may be defined as a type of value for the period of time that a packet, or data, should exist on a computer or network before being discarded.
Whenever TTL reaches the value of zero, TTL=0, it reaches its destination for a very short period of time. If a sender sets the TTL to 2, the packet can be forwarded by only one router.
In other words, TTL is used to stop a packet from forwarding, forever in a routing loop. With this information, let us look at how a packet's TTL looks when a receiver receives an IP packet.
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Answer:62
Explanation:
use previous answer to explain. 64-2 =62
Python Activity
We pass in a 2 dimensional list. You should output the 3rd element of the 2nd row.
--------------------------------------
Requirements:
Program Output
Program Failed for Input: "" 1,2,4 ""
Expected Output: 4
--------------------------------------
Given code:
# Get our list from the command line arguments
import sys
list2d= sys.argv[1:]
# Convert the command line arguments into 2d list
for i in range(0,len(list2d)):
list2d[i]= list2d[i].split(',')
# Write your code below
The code for output the 3rd element of the 2nd row in python is print(list2d[1][2])
The complete code in python is,
# Get our list from the command line arguments
import sys
list2d= sys.argv[1:]
# Convert the command line arguments into 2d list
for i in range(0,len(list2d)):
list2d[i]= list2d[i].split(',')
# Write your code below
print(list2d[1][2])
The print function will display the output.
Then the first parameter in list2d is to indicate the row (as usual the index start from 0, so the 2nd row is 1) and the second parameter in list2d is to indicate the element (index also start from 0, so the 3rd element is 2).
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how did printing help with travel to new world
Printing aided in the spread of knowledge throughout many locations and made mass-production of writing, art, and maps possible and thus in this way printing help with travel to new world.
What is Mass production?
The production of large quantities of standardized products, often using assembly lines or automation technology, is known as mass production. Mass production makes it possible to efficiently produce a large number of similar products.
Repetitive flow production, Flow production, series production and also serial production are all terms used to describe mass production.
Mechanization is used in mass production to achieve high volume, detailed material flow organization, careful control of quality standards, and labor division.
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which cloud computing category refers to the use of software hosted on a service provider's network, and is usually subscription based?
Software as a Service (SaaS) is a type of cloud computing in which software is hosted on a service provider's network, and is usually subscription-based. This means that customers don't need to purchase and install software on their own hardware, and can access it from any location with an internet connection.
Which cloud computing category refers to the use of software hosted on a service provider's network?Software as a Service (SaaS).The SaaS model eliminates the need for costly maintenance and management associated with traditional software installations, as the service provider takes responsibility for the upkeep and security of the software. Additionally, users benefit from low upfront costs and the ability to scale easily as their needs change. This makes SaaS an attractive and cost-effective option for businesses and organizations of all sizes.
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ciara has created a shell script that works just fine in the shell where she developed it. however, when she tries to execute it in a subshell some of the environment variables don't seem to be correct. how can she resolve this issue?
Answer:
There are several potential reasons why environment variables might not be set correctly in a subshell when running a shell script. Here are a few potential solutions that Ciara could try to resolve this issue:
Check the syntax of the script: Ciara should make sure that the script is correctly formatted and that there are no syntax errors that might be causing problems.
Use the "source" command: Ciara can try running the script using the "source" command, which will execute the script in the current shell rather than in a subshell. This can help ensure that the environment variables set by the script are available in the current shell.
Export the environment variables: If Ciara wants to set environment variables that will be available in subshells, she can use the "export" command to make the variables available in subshells. For example, she can use "export MYVAR=value" to set the MYVAR environment variable.
Use absolute paths: If the script references files or directories using relative paths, these paths might not be correct when the script is run in a subshell with a different working directory. Ciara can try using absolute paths to ensure that the script can find the correct files and directories.
Check the permissions: Ciara should make sure that the script has the correct permissions and that she has permission to execute it.
I hope these suggestions help you. Let me know if you have any other questions.
Hard drives that can be used for hot-swapping cost significantly less than regular hard drives.
1) True
2) False
Hard drives that are used for hot-swapping cost significantly less than regular hard drives. It is a false statement.
Hot swap storage hard drives allow computer users to replace or remove a hard drive without disrupting or powering off the device. If a hard drive in a storage array fails, a redundant drive can be quickly used without powering off the entire running system, as a result saving time and reducing costs. With the advent of hot-swapping hard drives, technologies have helped simplify storage drive maintenance and applications.
Hot-swapping hard drives typically cost more than regular hard drives. That is why the given ststament is false.
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this photo shows apparatus used in an experiment in which materials thought to have been present on the early earth were sparked with energy. what have we learned from this type of experiment?
A) These experiments have provided strong evidence for the idea that life first arose near volcanic vents at the bottom of the ocean.
B) These experiments have told us the precise composition of Earth's early atmosphere.
C) These experiments have shown us how life originated on Earth.
D) These experiments have shown that the building blocks of life form easily and naturally under conditions that existed on the early Earth.
Answer:
D) These experiments have shown that the building blocks of life form easily and naturally under conditions that existed on the early Earth.
write an expression whose value is the character at index 3 of the str associated with s.
an expression whose value is the character at index 3 of the str associated with s would be s[3].
The Java String class charAt() technique returns a burn esteem at the given index number.
The index number beginnings from 0 and goes to n-1, where n is the length of the string. It returns StringIndexOutOfBoundsException, in the event that the given index number is more prominent than or equivalent to this string length or a negative number.
The technique acknowledges index as a boundary. The beginning index is 0. It returns a person at a particular index position in a string. It tosses StringIndexOutOfBoundsException on the off chance that the index is a negative worth or more prominent than this string length.
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when discussing display advertising, what is an ad network? a a way to get free traffic to your site b a directory of lots of websites that sell the same products as you do c an online store of images you can use within your content d a platform allowing the advertiser to advertise on websites within the network
The right response is (d) a platform that enables the advertiser to place ads on websites included in the network.
What is an advertising network?A technology platform known as an ad network facilitates the sale of ad inventory between publishers and advertisers. An ad network might be thought of as a kind of broker, gathering a sizable number of impressions from publishers and then offering them for sale to advertisers.
In the current market for exchanging digital media, advertising technology, or ad-tech, includes ad networks. The majority of publishers who list their ad space for sale seek to ad networks to attract customers. In a similar vein, advertisers search ad networks for the best appropriate inventory for their requirements.
Ad networks have existed since the 1990s, when the dotcom boom caused a sharp increase in the number of websites and online publishers. With digital marketing growing in popularity, marketers were looking for a quick way to reserve digital ad spots on numerous websites. These publishers were looking for a convenient approach to improve inventory demand and ad income. In the beginning, the ad network would offer the unsold ad inventory for less than a publisher's direct sales. However, in today's world of intense competition, that trend has changed.
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what is the process of retrieving data from a file called?
Reading data is called the process of retrieving data from a file.
What is a file?In a computer system, a file is a container used to store data. Computer files share many characteristics with paper documents stored in office and library files.
There are various types of files, including text files, data files, directory files, binary files, and graphic files, and these various types of files store various types of information. Files can be kept on optical drives, hard drives, or other kinds of storage devices in an operating system for a computer.
In most operating systems, each file within a specific file directory must have a distinct name. However, some characters cannot be used when naming a file because they are illegal.
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