A primary key is a unique identifier for each row or record in a table that uniquely identifies each record in a table. A primary key can be made up of a single attribute or several attributes in combination.
A primary key is also used to establish relationships between tables in a relational database management system.Each table in a database has a primary key, which is a column or group of columns that uniquely identifies each record in the table. The primary key is used to link a table with other tables in a relational database. In general, a primary key can only be one column or attribute in a table. However, some databases allow for composite primary keys, which are made up of several columns or attributes in combination. If an entity has no attribute suitable to be a primary uid, we can create an artificial one. So, the given statement is True. Artificial primary keys can be used to identify each record in a table if no natural primary key is available. For example, if a table contains information about customers, the customer ID can be used as the primary key. In other cases, an artificial primary key may need to be created if no suitable attribute exists.for such more question on attribute
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Notification appliances used outdoors may result in ? unless listed for such use. a. ground faults. b. open circuits. c. both a. and b. d. none of the above.
The notification appliances used outdoors potentially resulting in what issues, unless listed for such use: c. both a.ground faults and b.open circuits.
Notification appliances such as fire alarms and bells must be installed in such a way that they can be heard in all areas of a building when activated. These appliances are not just useful indoors but also outdoors, where they can alert people about danger.
The appliances installed outside must be listed for use outside since they are susceptible to environmental hazards like dirt, dust, water, and UV light. Regular testing and maintenance of the emergency notification system can help ensure that people are alerted in a timely and effective manner in the event of an emergency.
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a storage technology available since the 1950s, is often used to back up critical organizational data in the event of a disaster. a. cache memory b. magnetic disk c. magnetic tape d. compact disc
Magnetic tape is the storage technology available since the 1950s that is often used to back up critical organizational data in the event of a disaster. The correct answer is option c.
What is magnetic tape?Magnetic tape is a kind of physical data storage media for digital information that employs a magnetic layer to store data. The information is kept in the form of magnetic spots on the tape. The technology has been in use since the 1950s as a form of data backup and for long-term storage of archives and large files.
A magnetic tape is often used to back up critical organizational data in the event of a disaster, as indicated in the question. It is also used to store archives, images, audio, and video, among other things. Magnetic tape technology has a high capacity, low cost, and is simple to use. However, retrieving data from magnetic tapes is slower than from other digital storage devices, and the tapes degrade over time.
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is it possible to block access to websites that originate in countries with a different indecency standard?
Yes, it is possible to block access to websites that originate in countries with a different indecency standard.
What is indecency? Indecency is a term used to refer to any conduct that is considered contrary to prevailing social norms or standards of propriety. In other words, it's about behaviours that are considered inappropriate. Decency refers to standards of conduct that are considered socially acceptable at a given time in a given culture. What are websites?A website is a collection of web pages that are interlinked, multimedia content, or both, published on at least one web server. This digital interface is frequently found on the World Wide Web and is accessed using an Internet-connected device, such as a computer, tablet, or smartphone. A website is hosted on a domain name that points to a web server, allowing it to be accessed using the Internet.
How to block access to websites originating from countries with different indecency standards? Content filters can be used to block access to websites originating from countries with different indecency standards. These are a type of software that is installed on a user's device or network to filter or restrict access to specific types of content or websites. These filters can be used to restrict access to specific categories of websites, including those with adult content or those originating from specific countries. You can also install a virtual private network (VPN), which is a type of software that allows you to browse the web safely and anonymously by encrypting your traffic and routing it through a server in a different location. This can be used to access blocked websites from different countries safely. To block access to a website, you can add its domain name to the host file on your computer. The host file can be found in the C:\Windows\System32\Drivers\etc folder on your Windows computer. By adding the domain name to the host file, you can prevent the computer from accessing the website.
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you connect your host to a switch that is running the network analysis software. however, you are not seeing any packets from the server. what do you need to implement on the switch to see all the packet information?
To see all the packet information from the server on the switch running the network analysis software, you need to implement port mirroring.
Port mirroring is a technique that copies network traffic from one port on a network switch to another port, allowing the network analysis software to capture and analyze all the packets transmitted and received by the server.
By configuring the switch to mirror the server's traffic to another port, the network analysis software can monitor and analyze the traffic as if it were directly connected to the server.
You need to identify the switch port connected to the server, and then configure the switch to mirror the traffic from that port to another port that is connected to the computer running the network analysis software. This would allow the network analysis software to capture all the packets transmitted and received by the server, enabling you to analyze the traffic and diagnose any network issues.
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what are the subnet network and the broadcast network for the ip address 172.16.204.76/27? (choose two.)
The subnet network and the broadcast network for the IP address 172.16.204.76/27 are:
Subnet network: 172.16.204.64
Broadcast network: 172.16.204.95
Determine subnet networkSubnet network: It is the IP address of the router interface for a particular subnet. In subnetting, a subnet mask is used to specify how many bits are reserved for the network address (fixed), and how many bits are used for the host address (variable).
The subnet mask of the IP address 172.16.204.76/27 is 255.255.255.224 (32 - 27 = 5 bits are used for the host address).
The subnet address is calculated by taking the logical AND between the IP address and the subnet mask.
IP address: 10101100.00010000.11001100.01001100
Subnet mask: 11111111.11111111.11111111.11100000
Subnet address: 10101100.00010000.11001100.01000000 = 172.16.204.64
Broadcast network: It is the network address at which all hosts on the network can receive broadcast messages.
The broadcast address is calculated by taking the logical OR between the IP address and the ones' complement of the subnet mask.
IP address: 10101100.00010000.11001100.01001100
Subnet mask: 11111111.11111111.11111111.11100000
Ones' complement: 00000000.00000000.00000000.00011111
Broadcast address: 10101100.00010000.11001100.01011111 = 172.16.204.95
Hence, the subnet network and the broadcast network for the IP address 172.16.204.76/27 are 172.16.204.64 and 172.16.204.95 respectively.
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Which panel shows users a project's layers, including vector objects and masks?
0000
Properties
Adjustments
History
Info
The "Properties" panel displays to users the layers of a project, including vector objects and masks.
Which panel offers users the ability to use a text tool and change fonts?Choose Character from Window. Another method is to click on the tiny toggle icon for the Character and Paragraph panels in the Options Bar when the Type Tool is active: selecting the toggle icon for the Character and Paragraph panels.
Which offers users more options, like the capacity to modify tracking leading and kerning?Character Palette: In Photoshop, you have the choice of using the Tools Options Palette or the Character Palette to alter text.
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you have just downloaded a file. you create a hash of the file and compare it to the hash posted on the website. the two hashes match. what do you know about the file? answer you can prove the source of the file. no one has read the file contents as it was downloaded. your copy is the same as the copy posted on the website. you are the only one able to open the downloaded file.
If you have just downloaded a file, created a hash of the file, and compared it to the hash posted on the website, and the two hashes match, then you can conclude the following:
You can prove the integrity of the file: The matching hashes indicate that the file has not been tampered with or corrupted during the download process. This means that the file you have downloaded is the same as the file posted on the website.
No one has read the file contents during the download: Hashing does not reveal the contents of the file, so you can't determine if anyone has read the file during the download process. However, you can be sure that the file has not been altered.
The source of the file is verified: The matching hashes prove that the file is from the same source as the file posted on the website. This is because the hash function used is unique to the file and any changes to the file will result in a different hash.
You can open the downloaded file: The matching hashes do not affect your ability to open the downloaded file. You should be able to open the file as you normally would.
In summary, if you have verified that the hash of the downloaded file matches the hash posted on the website, you can be confident that the file has not been altered, the source is verified, and the file is the same as the one posted on the website.
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You wrote a program to determine if a password contained a numeric character.
password = input("Password? ")
hasNumber = False
for character in password:
if character.isdigit():
hasNumber = True
break
Finish the code that is a shorter alternate.
password = input("Password? ")
valid = True
if not __ (character.isdigit() for character in password)
valid = False
Here is the completed code that is a shorter alternate to the given program:
[tex] \rm \: password = input("Password? ")[/tex]
[tex] \rm \: valid = not \: all(character.isalpha() for \: character \: in \: password)[/tex]
This code uses a generator expression within the all() function to check if all characters in the password are alphabetical. If all characters are alphabetical, the expression evaluates to True, and the not operator negates it to False, indicating that the password is not valid. If at least one character is a digit, the expression evaluates to 'False', and the 'not' operator negates it to 'True', indicating that the password is valid.
The variable valid is assigned the resulting Boolean value indicating if the password is valid or 'not'
Answer:
any
Explanation:
"any" bc i got it right
why does my blueparrott bluetooth headset keep beeping while i am on a call saying that it is connected?
There might be several reasons why your BlueParrott Bluetooth headset is beeping and indicating that it is connected when you are on the phone. Here are some potential explanations:
Low battery: The beeping might indicate that the battery in your headset is running low. Check your headset's battery level and charge it if required. Bluetooth interference: Other electronic devices or Wi-Fi networks can disturb Bluetooth signals, causing the connection to lose and then reconnect, resulting in a beeping sound. Move your phone and headphones closer together or away from any sources of interference. Firmware update: It is possible that your headset requires a firmware upgrade in order to function correctly. Visit the BlueParrott website for any new information.
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Is the earth flat or round?
My cousin says it’s flat but my mom, his mom, and me keep telling him there is literal satellite proof that the earth is round and their are scientists literally 10000x smarter than he is and they say the earth is round but he told me to search it up on brainly so here I am
Is the earth flat or round?
Answer: The earth is round
Explanation: People have even gone to space and recorded it.
Answer: round
Explanation: satellite images show the earth is round
How do you fix your device is at risk because it's out of date and missing important security and quality updates?
To fix your device that is at risk because it is out of date and missing important security and quality updates, you need to update your device's operating system. You can do this by going to the device's settings and checking for updates, or you can use a third-party program to update your system.
Microsoft offers Windows Update as a free service as part of its upkeep and support services for Windows components. The program offers software upgrades/modifications to correct flaws or faults, improve user experience, or boost Windows component performance. To help keep people and computer systems secure, Windows software updates bring new features and correct known problems or vulnerabilities. With Windows 10, you control when and how to get the most recent updates to keep your computer safe and operating efficiently.
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if you were translating an if..else statement from pseudocode to arm assembly language, and the logical operator used in the if was ==, which branch would you use following the cmp instruction?
a. BEQ
b. BLO
c. BGE
d. BNE
e. None of the above
The pseudocode to ARM assembly language, and the logical operator used in the if was "==", you would use the BEQ branch following the cmp instruction.
Pseudocode typically uses a combination of statements and structures from a particular programming language along with natural language descriptions that provide insight into the code's intent. The BEQ instruction stands for Branch if Equal.
The branch instruction is used to jump to a new location in the code, which is specified as an offset (a value added to the current program counter) from the current location. The BEQ instruction can be used to compare the value of a register or memory location with a constant value.
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in demand paging, when an excessive number of pages are moved back and forth between main memory and secondary storage, it is called . a. thrashing b. paging c. faulting d. swapping
In demand paging, when an excessive number of pages are moved back and forth between main memory and secondary storage, it is called a. thrashing.
Demand paging is a memory management strategy that uses virtual memory to manage physical memory. Demand paging is a technique that allows a page to be moved from the secondary memory, typically hard disk or SSD, into the main memory, RAM, only when it is required for execution. This technique helps to save memory space by not keeping unneeded data in the main memory. This improves the speed of the system by reducing the usage of the secondary memory.How does demand paging work?When a user requests data, the operating system loads only that data into RAM. If the user's data is larger than the physical memory available, it is moved to the hard disk.
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Animations in which one of the following categories cause objects to change while they are on a slide?A) EntranceB) ExitC) EmphasisD) Motion Paths
The category of animations that causes objects to change while they are on a slide is "Emphasis."
Emphasis animations are used to draw attention to specific objects or parts of a slide. They can be applied to text, shapes, and images, and can include effects like color changes, size changes, and highlighting. Emphasis animations are often used to create visual interest and to help communicate key points in a presentation. Other categories of animations include Entrance animations, which bring objects onto the slide; Exit animations, which remove objects from the slide; and Motion Path animations, which move objects along a specified path.
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you have an array containing the prime numbers from 2 to 311 in sorted order: [2, 3, 5, 7, 11, 13, ..., 307, 311]. there are 64 items in the array. about how many items of the array would binary search have to examine before concluding that 52 is not in the array, and therefore not prime? * 1 point 22 64 128 32 7 1 11
A binary search would have to examine about 6 items of the array before concluding that 52 is not in the array and therefore not prime.
How does binary search work?Binary search is a search algorithm that is used to find a specific target value within a sorted data collection. This method works by repeatedly dividing the search interval in half.
After dividing the sorted list into two equal halves, the target value is compared with the middle element of the list. If the target value is greater than the middle element, the second half of the array will be searched.
On the other hand, if the target value is less than the middle element, the first half of the array will be searched. This method of dividing the array in half and searching until the target value is found is repeated until the target value is found or the array is empty. If the element is not found, the search terminates.
Based on the principles of binary search, the array of prime numbers between 2 and 311, which has 64 items, would have to examine seven items of the array before concluding that 52 is not in the array.
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the lower the amount of work to be moved from the human side to the computer side of an information system, the higher is the complexity of that system. true false
An information system's complexity increases with the quantity of labor that must be transferred from the human to the computer side. The aforementioned assertion is untrue.
What is meant by a complexity system?Complex systems are those whose behavior is inherently challenging to model because of dependencies, rivalries, relationships, or other kinds of interactions among their constituent parts or between a specific system and its environment.Complex systems include anthills, ants, human economies, climate, nervous systems, cells, and living things, including humans, as well as contemporary energy or telecommunication infrastructures.Systems thinking is a way of understanding the complexity of the world without breaking it down into its component parts, instead viewing it as a whole and its relationships. In order to facilitate system change, it has been used as a method for investigating and developing effective action in complex contexts.Therefore,
Experimentation entails conducting a thorough investigation of a potential opportunity and coming up with the most promising solutions possible given the available resources.
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(a) read the man page of pipe and dup2 system calls. (b) fill in the blanks in the code provided and make sure it works as the description above. (c) compile the code and make sure it is executable. (d) upload the source code.
(a) A pipe is a unidirectional communication channel between two processes created by the pipe system function. Duplicates an existing file descriptor to a different file descriptor number using the dup2 system function.
(a) The following code builds a pipe, forks a child process, and redirects the parent process's standard output to the pipe. After that, the child process reads from the pipe and writes to its standard output. scss #include #include copy code pipe(fd); if (fork() == 0) int main() int fd[2]; close(fd[1]); dup2(fd[0], STDIN FILENO); close(fd[0]); execlp("sort", "sort", NULL); otherwise close(fd[0]); dup2(fd[1], STDOUT FILENO); close(fd[1]); execlp("ls", "ls", NULL); return 0; (c) Save the code to a file called pipe dup2.c and execute the following command to build it: Copy the following code: gcc -o pipe dup2 pipe dup2.c.
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write a script that adds an index to the my guitar shop database for the lastname and firstname fields in the customers table. you can name the index anything you like.
As per the given question, the script to add an index to the my guitar shop database for the lastname and firstname fields in the customers' table can be written as follows:Code: `CREATE INDEX customer_index ON customers(lastname, firstname);`
The above code creates an index named "customer_index" on the "customers" table of the "my guitar shop" database. The index is created for the "lastname" and "firstname" fields of the table. This means that the index will improve the performance of the queries that involve the "lastname" and "firstname" fields of the "customers" table.
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are programs designed to play audio and video files. a. media boxes b. media players c. ipods d. real players
Media players are programs that are designed to play audio and video files. The correct option is B.
Media players are a type of computer software that can play audio and video files. They can be used to play music, watch videos, and view pictures. They are generally simple to use and do not require any special technical knowledge or training.There are a variety of media players available, including those designed for desktop computers, smartphones, and tablets. Some popular media players include Windows Media Player, VLC Media Player, QuickTime, and iTunes. Each of these programs has its own unique features and capabilities, making it important to choose the right one for your needs.In addition to playing audio and video files, some media players also support advanced features like streaming, downloading, and sharing files over the internet. Some also come with built-in equalizers, audio and video editing tools, and other features that make them more versatile and useful in a variety of different contexts. Overall, media players are an essential tool for anyone who wants to listen to music, watch videos, or work with audio and video files.Therefore, the correct option is b. media playersLearn more about files here: https://brainly.com/question/26972068
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your organization consumes and analyzes data from a wide variety of sources. many departments are struggling with finding trusted data sources. which oracle cloud infrastructure (oci) service should you use to harvest the metadata and provide a central repository? autonomous data warehouse data integration object storage data catalog data flow
Use Data Catalog from Oracle Cloud Infrastructure (OCI) to gather the metadata and offer a central store.
What is meant by Data Catalog?A data catalog is a collection of metadata that, when combined with data management and search tools, makes it easier for analysts and other data users to find the data they need. It also acts as an inventory of the data that is available and provides information to assess whether the data is fit for the purposes for which it is being used. Big-tech organizations frequently create open-source data cataloging technologies for their internal data finding and cataloging needs before making them available to outside teams. Examples include: Access Amundsen demo sandbox | Amundsen by Lyft. Access the LinkedIn DataHub demonstration sandbox. A data catalog is an orderly inventory of all the data assets that gives data teams across the organization more power. Organizations can determine how to gather, examine, and maintain contextual information (metadata) with the use of metadata management.To learn more about Data Catalog, refer to:
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We usually think of conflict as bad or something to be avoided. How can conflict be used to a game’s advantage in game design? Include an example.
Answer:
Conflict can help draw a player into the game and give them something to work towards. An example of conflict could be a pvp game where two players could fight and the winner could gain experience points or in game items.
Explanation:
36. may be appropriate for non mission critical applications. a) direct cutover b) parallel c) phased d) all of these e) none of these
The term that may be appropriate for non-mission-critical applications is c) phased.
Phased is an approach in project management where the project is broken down into stages. Each stage must be completed before moving on to the next one.
The approach is utilized when it is too risky or not practical to implement the changes all at once. It ensures that each stage is completed successfully before moving to the next one.
Phased may be appropriate for non-mission-critical applications because it is a more flexible approach than parallel and direct cutover approaches
The phased approach allows for testing and feedback to be gathered at each stage to ensure that any issues are identified and resolved before moving on to the next stage.
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Which error type does the "off-by-one" error belong to?
A. syntax error
B. compile-time error
C. run-time error
D. infinite loop
Answer:
The answer is C. run-time error.
Explanation:
The "off-by-one" error is a type of run-time error that occurs when a loop or an array index is either incremented or decremented by one more or one less than intended. This error can lead to unexpected program behavior, such as accessing memory that is out of bounds or skipping over elements in an array.
printava used their keyword report and found that most of their keywords were performing well. however, they noticed several keywords with very high acos. what can they do to reduce the amount of clicks they are paying for? add more asins to their campaign increase the bids on those keywords add those keywords as negative keywords remove asins from their campaign
To reduce the number of clicks they are paying for on keywords with very high ACOS, Printava can consider adding those keywords as negative keywords in their campaign.
Negative keywords are search terms that a company does not want to appear for, and they can be added to campaigns to prevent ads from displaying for those keywords. By adding high ACOS keywords as negative keywords, Printava can avoid paying for clicks on those keywords and focus on keywords that are performing well. Additionally, they can consider optimizing their product listings or adjusting their bids to improve their overall campaign performance.
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a(n) performs tasks automatically when a dml action occurs on the table with which it is associated. a. application trigger b. database trigger c. package d. stored procedure
A database trigger performs tasks automatically when a DML (Data Manipulation Language) operation happens on the table with which it is linked. Option B is the correct answer.
A database trigger is a stored program that the database initiates automatically in response to some event. For instance, the database can launch a trigger automatically when data is inserted, updated, or deleted in a table.The database administrator, utilizing a CREATE TRIGGER command, specifies the actions to be performed when the trigger is initiated.
The procedure, application, or event that initiates the trigger determines when the trigger is initiated. Triggers can be used to improve data integrity by forcing data validation or to automate tasks like sending alerts when certain circumstances occur.
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Consider the following method. public static void strChange(String str){ if (str.length() > 0) { strChange(str.substring(1)); System.out.print(str.substring(0, 1)): } Which of the following best describes the behavior of the method? Ait prints the first character of str. B It prints the characters of str in the order they appear. с It prints the characters of or in reverse order D It prints the last character of str. E It prints nothing due to infinite recursion
The behavior of the method can be described as option C: It prints the characters of str in reverse order.
Here's a step-by-step explanation of the method:
1. Check if the length of the input string 'str' is greater than 0.
2. If it is, call the method recursively with the substring of 'str' starting from the second character to the end.
3. After the recursion reaches the end of the string, the 'System.out.print()' statement is executed, which prints the first character of the current 'str' substring.
4. This process continues in reverse order, printing the characters of the original input string 'str' in reverse.
Therefore, the behavior of the method can be described as option C: It prints the characters of str in reverse order.
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Using Python, solve this problem.
The type() function is used in this code to create a float named my float and print its data type, which produces the result class 'float'>. The float is then changed to an integer using the int() function, and the outcome is then saved in a new.
In Python, how do you print a float data type?A built-in function called print can be used to output a float to the standard console (). The float argument to print() is accepted. We'll initialise a variable with a float value in the example below and print it to the terminal.
# establishing a float
print(type(my float) my float = 3.14159 # output: 'float' class
My int = int(my float) print(type(my int)); / converting float to integer. output: 'int' class
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the programming example had to call the same methods on a dog, a sled dog, and a circus dog. in order to avoid code duplication, the shared code was extracted into a private method that included one parameter. what was the type of the parameter?
The type of the parameter was C. Dog
Code duplication refers to the practice of copying and pasting code within a program. Code duplication makes programs difficult to maintain, modify, and update because it creates many copies of the same code, resulting in a lot of redundant code.
Any modifications made to one copy of the code will not be reflected in other copies of the code, and bugs may emerge as a result. In addition, code duplication makes programs more difficult to debug and diagnose because errors in duplicated code may manifest themselves in various areas of the program.
To avoid code duplication, programmers should extract common code to a shared method or class. Shared code that is relevant to several different types can be parameterized, with the parameter type being the type that they share in common.
In this programming example, the shared code was extracted into a private method that included one parameter, and the type of the parameter was Dog.
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Your question is incomplete, but probably the complete question is :
The programming example had to call the same methods on a dog, a sled dog, and a circus dog.
In order to avoid code duplication, the shared code was extracted into a private method that included one parameter.
What was the type of the parameter?
A. CircusDog
B. SledDog
C. Dog
D. Object
n addition to providing a computer with short-term power when the main power source fails, what else can an uninterruptable power supply protect against? group of answer choices voltage spikes segmentation faults inharmonic distortion denial-of-service attack
An Uninterruptible Power Supply (UPS) can protect a computer from more than just short-term power failure. It can also protect against voltage spikes, inharmonic distortion, and Denial-of-Service attacks.
Voltage spikes occur when there is an unexpected surge in voltage that can cause damage to the computer’s components. Inharmonic distortion is a form of electrical noise that can disrupt the power and cause errors. A Denial-of-Service attack is when someone deliberately attempts to disrupt the power to the computer.
A UPS will protect against these types of issues by providing a consistent, regulated power source that is isolated from the main power source.
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If no divergence or convergence were occurring anywhere above the lower levels of the atmosphere, what would happen to any existing surface low-pressure systems?
Any current surface low-pressure systems would likely weaken and finally disappear over time if there was no divergence or convergence taking place anywhere above the lower levels of the atmosphere.
What would occur to the surface low in the event if the upper level divergence abruptly disappeared?The central air column would be accumulating more mass from convergence than it was losing by divergence aloft, which would lead the low to eventually weaken.
If there was convergence above, what would happen to your surface low pressure system?When air moves from high pressure to lower pressure when there is a surface low pressure system, the winds converge. This surface convergence causes upward vertical motion, which strengthens the lower pressure there.
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