T/F the reason some recursive name queries involve a root server is because the root servers keep all names in the entire dns namespace close at hand
Answers
False.
Recursive name queries involve a root server because the root servers hold information about the top-level domains (TLDs) in the DNS hierarchy, such as .com, .org, .net, and so on. When a recursive resolver receives a query for a domain that is not in its cache, it needs to know the IP address of the authoritative DNS server for the TLD of that domain.
The root servers provide this information by responding to the query with the IP address of the TLD's authoritative DNS server. Once the recursive resolver has this information, it can continue the query by contacting the authoritative DNS server for the TLD, and eventually the authoritative DNS server for the requested domain.
The root servers do not keep all names in the entire DNS namespace close at hand. They only hold information about the TLDs and their authoritative DNS servers.
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Related Questions
Which method listed below is NOT a method by which securities are distributed to final investors? (Select the best choice below.) O A. Commission basis O B. Competitive bid purchase OC. Upset Agreement O D. Direct sale O E. Negotiated purchase O F. Privileged subscription
Answers
The method that is NOT a method by which securities are distributed to final investors among the options provided is C. Upset Agreement. The other options are legitimate methods of distributing securities to investors.
Upset agreement is a legal agreement between parties involved in a construction project that aims to provide a fair and equitable method of resolving disputes that may arise during the project. This type of agreement is typically used in large construction projects, such as infrastructure development, commercial building construction, or major renovation projects.
The upset agreement provides a mechanism for the parties to resolve disputes without resorting to costly and time-consuming litigation. Under the agreement, the parties agree to follow a specific process for resolving disputes, which may include mediation or arbitration.
The upset agreement typically specifies the scope of disputes that can be resolved through this process, as well as the time frame and procedures for initiating the process. The agreement also outlines the roles and responsibilities of the parties involved, including any third-party neutral who may be called upon to facilitate the resolution process.
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What is the best CPU you can put inside a Dell Precision T3500?
And what would be the best graphics card you could put with this CPU?
Answers
Answer:
Whatever fits
Explanation:
If an intel i9 or a Ryzen 9 fits, use that. 3090's are very big, so try adding a 3060-3080.
Hope this helps!
where to buy a ps5
I really want one please help meh
Answers
Answer:
You can buy one at gamestop, target, walmart, best buy and probably more stores
Answer:
Amazon, walmart, target, gamestop?
Explanation:
I'm sure a quick go ogle search will get u what u want to see, have a nice day and I hope u get what u want!
Determine the consequence frequency for a regulator failure if the system is designed with three IPLs, (Assuming PFD = 10-2 For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
Answers
Main answer: The consequence frequency for a regulator failure, with a system designed with three IPLs and a PFD of 10-2, is expected to be low.
Explanation:
When evaluating the consequence frequency of a regulator failure, several factors come into play, including the number of independent protection layers (IPLs) and the probability of failure on demand (PFD). In this case, the system is designed with three IPLs, which implies that there are multiple layers of protection in place to prevent or mitigate a regulator failure. Additionally, the PFD value of 10-2 suggests a relatively low probability of failure on demand, indicating a reliable and well-designed system.
Having three IPLs enhances the system's overall reliability as each layer provides an additional safeguard against a regulator failure. If one layer fails, the remaining IPLs act as backups, reducing the likelihood of a catastrophic event. This redundancy in protection contributes to a lower consequence frequency, meaning that the frequency of severe consequences resulting from a regulator failure is expected to be rare.
The PFD value of 10-2 further reinforces the reliability of the system. PFD represents the probability that a safety instrumented function (SIF) will fail to perform its intended task upon demand. A PFD of 10-2 implies that there is only a 1 in 10,000 chance of failure on demand for the regulator. This level of reliability indicates that the system has undergone thorough design, engineering, and testing processes to ensure the appropriate functioning of the regulator.
In summary, a system designed with three IPLs and a PFD of 10-2 for a regulator failure is expected to have a low consequence frequency. The multiple layers of protection and the low probability of failure on demand contribute to a robust and reliable system, reducing the likelihood of severe consequences resulting from a regulator failure.
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The concept of independent protection layers (IPLs) in process safety is vital for designing reliable systems. Each IPL acts as a barrier against potential hazards, and having multiple IPLs increases the overall safety and reduces the chances of a catastrophic event. Additionally, understanding the calculation of probability of failure on demand (PFD) provides insights into the reliability of safety instrumented functions (SIFs) and their ability to perform their intended tasks when required. By implementing multiple IPLs and ensuring a low PFD, industries can enhance safety measures and mitigate risks effectively. #SPJ11
Title: APCSA-U4-Test-Iteration-15
Consider the code block below. What is printed as a result of newString("program")? (2 points)
public static void newString(String word) {
String newStr = "";
for (int x = 0; x < word.length(); x+=2) {
newStr += word.substring(x−1);
}
System.out.println(newStr);
}
a
programogramramm
b
rogramogramramm
c
prograogramram
d
ogramogramramm
e
An IndexOutOfBoundsException occurs
Answers
Given the Code Block above, what is printed as a result of newString("program") is: "ogramogramramm" (Option D)
What is the rationale for the above response?The method newString takes a String as a parameter, and then uses a for loop to iterate over the characters in the String at intervals of 2. Within the for loop, it concatenates substrings of the original word, starting from the current index minus 1.
In this case, the input word is "program", and the method concatenates substrings starting from indices 0, 2, 4, and 6 (because x starts at 0 and increments by 2 each time). So the resulting string is "ogramogramramm".
Note that the concatenation starts at index 0 in the word, rather than index -1 as the code might suggest. This is because Java interprets word.substring(x-1) as word.substring(x-1, word.length()), and the first argument of substring cannot be negative.
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As you already know, a stack is a data structure realizing the so-called LIFO (Last In - First Out) model. It's easy and you've already grown perfectly accustomed to it.
Let's taste something new now. A queue is a data model characterized by the term FIFO: First In - Fist Out. Note: a regular queue (line) you know from shops or post offices works exactly in the same way - a customer who came first is served first too.
Your task is to implement the Queue class with two basic operations:
put(element), which puts an element at end of the queue;
get(), which takes an element from the front of the queue and returns it as the result (the queue cannot be empty to successfully perform it.)
Follow the hints:
use a list as your storage (just like we did in stack)
put() should append elements to the beginning of the list, while get() should remove the elements from the list's end;
define a new exception named QueueError (choose an exception to derive it from) and raise it when get() tries to operate on an empty list.
Complete the code we've provided in the editor. Run it to check whether its output is similar to ours.
Expected output
1 dog False Queue error
Answers
Using knowledge in computational language in JAVA it is possible to write a code that put() should append elements to the beginning of the list, while get() should remove the elements from the list's end; define a new exception named.
Writting the code:var Stack = function(){
this.top = null;
this.size = 0;
};
var Node = function(data){
this.data = data;
this.previous = null;
};
Stack.prototype.push = function(data) {
var node = new Node(data);
node.previous = this.top;
this.top = node;
this.size += 1;
return this.top;
};
Stack.prototype.pop = function() {
temp = this.top;
this.top = this.top.previous;
this.size -= 1;
return temp;
};
var Queue = function() {
this.first = null;
this.size = 0;
};
var Node = function(data) {
this.data = data;
this.next = null;
};
Queue.prototype.enqueue = function(data) {
var node = new Node(data);
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A painting company has determined that for every 350 square feet of wall space, one gallon of paint and six hours of labor are required. The company charges $62.25 per hour for labor. Write a program call paintjobestimator.py that asks the user to enter the square feet of wall space to be painted and the price of the paint per gallon. The program is to display the following information.
A. The number of gallons of paint required rounded up to whole gallons.
B. The hours of labor required.
C. The cost of the paint based on the rounded up whole gallons.
D. The labor charges.
E. The total cost of the paint job.
Answers
To write the program called paintjobestimator.py, we need to use the input() function to ask the user to enter the square feet of wall space to be painted and the price of the paint per gallon.
Then we need to use the given information to calculate the number of gallons of paint required, the hours of labor required, the cost of the paint, the labor charges, and the total cost of the paint job. Finally, we need to use the print() function to display the results.
Here is the code for the program:
```python
# Ask the user to enter the square feet of wall space to be painted and the price of the paint per gallon
square_feet = float(input("Enter the square feet of wall space to be painted: "))
paint_price = float(input("Enter the price of the paint per gallon: "))
# Calculate the number of gallons of paint required rounded up to whole gallons
gallons = math.ceil(square_feet / 350)
# Calculate the hours of labor required
labor_hours = gallons * 6
# Calculate the cost of the paint based on the rounded up whole gallons
paint_cost = gallons * paint_price
# Calculate the labor charges
labor_charges = labor_hours * 62.25
# Calculate the total cost of the paint job
total_cost = paint_cost + labor_charges
# Display the results
print("The number of gallons of paint required: ", gallons)
print("The hours of labor required: ", labor_hours)
print("The cost of the paint: $", format(paint_cost, ",.2f"), sep="")
print("The labor charges: $", format(labor_charges, ",.2f"), sep="")
print("The total cost of the paint job: $", format(total_cost, ",.2f"), sep="")
```
The output of the program will be the following:
```
Enter the square feet of wall space to be painted: 1000
Enter the price of the paint per gallon: 25
The number of gallons of paint required: 3
The hours of labor required: 18
The cost of the paint: $75.00
The labor charges: $1,120.50
The total cost of the paint job: $1,195.50
```
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write an algorithm and a flow chart to determine the grades of students using "if and else" statement
Answers
The algorithm would look follows:
What is an algorithm?
An algorithm is a set of instructions, or a set of rules to adhere to, for carrying out a particular task or resolving a particular issue. In the ninth century, the term algorithm was first used. There are algorithms everywhere around us. The process of doing laundry, the way we solve a long division problem, the ingredients for baking a cake, and the operation of a search engine are all examples of algorithms. What might a list of instructions for baking a cake look like, similar to an algorithm?
Algorithm to find the grades of students whether pass or fail:
1)Start
2)Enter the marks obtained by the student
2)If the student has more than 70 marks it is a pass
4)else the student is fail
5)End
I have attached the snapshot of the flow chart
Therefore knowing the basic algorithm can help you to tackle the typical problems
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Which Windows tool do you use to browse the file system on a drive?
Notification Area
Network
File Explorer
Taskbar
Answers
The Windows tool that is used to browse the file system on a drive is the File Explorer.
File Explorer, previously known as Windows Explorer, is a file manager application that is included with the Microsoft Windows operating system.
It offers a graphical user interface (GUI) for accessing the file systems. With the File Explorer, users can browse, manage, and organize their files and folders stored on their devices or network drives.
In order to open File Explorer, you can click on the file folder icon on the taskbar or press the Windows key + E.
It can also be opened through the Start menu or by typing "File Explorer" into the search box.
Once File Explorer is opened, you can navigate through the file system by clicking on folders or using the address bar to go to a specific location.
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For an integer programming problem, the linear relaxation refers to:
Group of answer choices
The same optimization problem but with binary constraints on the decision variables
A different optimization problem but with shadow prices for constraints set to 0
The same optimization problem but with the constraints linearly scaled by a factor of SQRT(2)
The same optimization problem but without the integer constraints
Answers
The same optimization problem but without the integer constraints.
In integer programming, the decision variables are required to take integer values. However, in the linear relaxation of an integer programming problem, the same optimization problem is solved, but the integer constraints are relaxed, allowing the decision variables to take on fractional values. This means that the linear relaxation solves the problem as a linear programming (LP) problem, where the decision variables can be non-integer values.
By relaxing the integer constraints, the linear relaxation provides a lower bound on the optimal objective value of the original integer programming problem. The solution to the linear relaxation can be used to obtain insights into the problem, determine the quality of heuristics or algorithms, and provide a starting point for finding good integer solutions.
Question 8 of 20:
Select the best answer for the question.
8. Alonso has had a smartphone since he was a teenager. He knows how to use videoconferencing apps and messaging programs, and he uses both for work and personal use. On
the other hand, Benny didn't have the money to purchase a smartphone until recently. He misses a job interview because he doesn't know how to sign into the videoconferencing app
on his new phone. Alonso and Benny are examples of
OA. digital literacy.
OB. the digital divide.
OC. digital inclusion.
OD. digital equity.
Answers
Answer:
B. The digital divide
Explanation:
Alonso and Benny represent the digital divide, which refers to the gap between individuals or communities who have access to and knowledge of digital technologies and those who do not. Alonso, who has had a smartphone since he was a teenager and is proficient in using digital tools, represents the group with digital literacy and access.
On the other hand, Benny, who only recently acquired a smartphone and lacks the knowledge to use it effectively, represents the group without the same level of digital access or literacy. The digital divide highlights the disparities in technology access, skills, and opportunities among different individuals or communities.
Alonso and Benny represent the digital divide, the gap between those who are proficient in the use of digital technology and those who are not. Alonso, a comfortable smartphone user, is on one side, while Benny, a new user struggling with basic tasks, is on the other.
Explanation:The situations detailed in the question describe a phenomenon known as the digital divide. Both Alonso and Benny have smartphones, however, their level of understanding and ability to use this technology varies greatly. Alonso, who has had a smartphone since his teens and is comfortable using it for various tasks is on one side of the divide. Benny, who has only recently acquired a smartphone and struggles with basic tasks such as logging into apps, is on the other side. This divide often results from socioeconomic factors and can affect individuals' access to information, opportunities, and resources.
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Which of the following are considered property rights? (Select the three best answers.)
Question 1 options:
The right to use a property
The right to build a house
The right to make money off of the property
The right to be protected from other people's property
The right to transfer property rights to someone else
The right to pursue happiness
The right to copyright
Answers
Answer:
The right to pursue happiness
Answer:
The right to use a property
The right to make money off of the property
The right to transfer property rights to someone else
4.9 Code Practice: Question 1 [Intructions shown]
Instructions:
Write code using the range function to add up the series 3, 6, 9, 12, 15, ..... 66 and print the resulting sum.
Expected Output
759
![4.9 Code Practice: Question 1 [Intructions shown]Instructions:Write code using the range function to](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/hHi3J64WseoFGUD2v5mwKWowgDC33C3V.png)
Answers
In python:
total = 0
for x in range(3, 67, 3):
total += x
print(total)
I hope this helps!
The required program written in python 3 which sums the values in the series given with a common difference of 3 is :
sum = 0
#initialize a variable which holds the sum of the series to 0
for num in range(3, 69 ,3):
#use a for loop to pick each value in the series using the range function
sum+=num
#for each number picked, add the value to the initialized sum variable
print(sum)
#display the resulting sum
The third argument in the range function is the amount of step the loop takes, which corresponds to the common difference of the series.
Therefore, the resulting output of the program is attached below.
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![4.9 Code Practice: Question 1 [Intructions shown]Instructions:Write code using the range function to](https://i5t5.c14.e2-1.dev/h-images-qa/answers/attachments/nkTQ96aI0riWTbLEGL4mHlzlwGo6pTkz.jpeg)
how many layers does the osi model contain?
Answers
The OSI model, or Open Systems Interconnection model, consists of seven layers. Each layer has a specific function and communicates with the layers above and below it.
These layers include the physical layer, data link layer, network layer, transport layer, session layer, presentation layer, and application layer. The physical layer is responsible for transmitting raw data over physical media, while the data link layer ensures reliable communication over a single link. The network layer handles routing and forwarding of data between networks, and the transport layer provides end-to-end communication services for applications. The session layer establishes, manages, and terminates communication sessions, and the presentation layer translates data into a form that can be easily understood by the application layer. Finally, the application layer provides services to end-users and applications.
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Build Your Own Program!
Requirements
The list below lays out the minimum requirements of your program. Feel free to go big and add even more!!
Your program:
must use JavaScript Graphics
must allow the user to interact with your project with either their mouse or keyboard
must use at least one timer
must break down the program into multiple functions
must utilize control structures where applicable
Answers
Modify the code in the subfolder text_scores to create a web application that adds student names and scores into arrays and displays the scores. Should follow the specific guidelines below.
What will be specific guidelines?The specific guidelines that are mentioned above
var names = ["Ben", "Joel", "Judy", "Anne"];
var scores = [88, 98, 77, 88];
var $ = function (id) { return document.getElementById(id); };
window.onload = function () {
$("add").onclick = addScore;
$("display_scores").onclick = displayScores;
};
Program Requirements are on the website, the Use a Test Score array application appears as follows. One button is needed for the Array; there are two text fields for Name and Score.
Therefore, The software checks the two input text boxes after the user clicks the Add to Array button (5%).
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What is a function of Agile software development?
Answers
Agile software development refers to software development methodologies centered round the idea of iterative development, where requirements and solutions evolve through collaboration between self-organizing cross-functional teams.
An expert system used on a medical website accepts an input illness from the user and produces a list of possible symptoms. What type of function is the interface engine performing?
A.
backward chaining
B.
production unit
C.
production rule
D.
forward chaining
E.
knowledge base
Answers
Answer:
The correct answer would be:
D.
forward chaining
#PLATOFAM
Have a nice day!
lily obtained data from five trails 50 kcal 72 kcal 12 kcal and 50 kcal which best decribes her data
Answers
Answer:
its invalid
Explanation:
what is the extension of a Microsoft access database 2013
Answers
Answer:
Access Database (2007, 2010, 2013, 2016)..accdb
Answer:
.accdb
Explanation:
.accdb is the extension of Microsoft Access Database 2013
how does credit card fraud detection work when might detection fail?
Answers
Fill in the blanks to complete a summary of this part of the passage. For the power of Patents
Answers
Answer:
??
Explanation:
“Click” is a type of user input the onEvent code checks for in order to perform actions like going to another screen. List at least 3 other user inputs onEvent can check for.
Answers
Answer:
typing, commands, scrolling. hope this helps
How to deactivate 2-step verification on ps4 without signing in.
Answers
Answer: To turn off 2-step verification on PS4 without signing in, you can follow these steps:
Explanation: 1. Open the PlayStation 4 system software and click on the “Settings” icon in the top left corner of the screen.
2. Scroll down and click on the “Security” tab in the bottom left corner of the screen.
3. Click on the “2SV” icon in the top right corner of the screen and then click on the “Turn Off 2 Step Verification” button1.
Which technology can be implemented as part of an authentication system to verify the identification of employees?
Answers
Hello Everyone,
Please I have been have problems answering this question. I do not know if anyone could be of help to me.
Describe the difference between objects and values using the terms “equivalent” and “identical”. Illustrate the difference using your own examples with Python lists and the “is” operator.
Describe the relationship between objects, references, and aliasing. Again, create your own examples with Python lists.
Finally, create your own example of a function that modifies a list passed in as an argument. Describe what your function does in terms of arguments, parameters, objects, and references.
Create your own unique examples for this assignment. Do not copy them from the textbook or any other source
Answers
Objects are nothing but instance of a class. To know two objects are identical are not, use the is operator.
Is operator: The is operator is used to compare the two objects that are identical or not. The is operator returns true, if the variables on either side of the operator point to same object. If the variables on either side of the operator point to different object then it can also return true.
Value: Value is also an object that assign to a variable. Comparing to objects through === operator.
The term equivalent means.... is used to when the two operators are equal or not , if equal condition returns true.
Cynthia writes computer programs for mobile phones and has received five job offers in the last week. This is most likely because:
Answers
Answer:i)the use of algorithms in the programs are efficient and less time consuming
ii)there are no errors in the programs and are very easy to understand
iii)the code is easily understandable but the program is strong and good
what kind of flip-flop has two inputs and all possible combinations of input values are valid
Answers
The type of flip-flop that has two inputs and all possible combinations of input values are valid is known as the SR flip-flop.
The SR stands for set and reset, which are the two inputs of this flip-flop. The SR flip-flop is a basic building block in digital logic circuits and is widely used in computer memory and storage applications. The SR flip-flop operates by changing its output state based on the input values.
When the set input is high, the output is set to high. Similarly, when the reset input is high, the output is reset to low. If both inputs are high, the output may be unpredictable and may oscillate between high and low, which is why the SR flip-flop is considered a level-sensitive flip-flop. All possible combinations of input values are valid for the SR flip-flop because it has two inputs and two possible output states, allowing for multiple input combinations to produce different output states.
However, it is important to note that care must be taken when designing circuits with SR flip-flops to avoid creating feedback loops that can cause unpredictable behavior. The SR flip-flop is a versatile and widely used component in digital circuits that has two inputs and all possible combinations of input values are valid.
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Which of the following is NOT a common tactic that scammers use to
steal personal information?
Answers
I can guess this.
Lets say you got a " virus " on your computer and said to call this number 111-111-111-1111
" Hello sir, how may we help you today " This can be a robot, and can show maybe that it isnt a scam and can be seen as a message bot so they can record, and send you to the correct line for your issue.
You say " I got this virus on my computer and it said This computer has a virus known as a " insert virus name " and to call this number.
A(n) is a program which reads the instructions programmers have written and translates these instructions into binary patterns that will execute commands on the CPU.
Answers
Answer:
Compiler.
Explanation:
An compiler is a program which reads the instructions programmers have written and translates these instructions into binary patterns that will execute commands on the central processing unit (CPU). An example of a compiler is Java.
Java is a object oriented and class-based programming language. It was developed by Sun Microsystems on the 23rd of May, 1995.
Java was designed by a software engineer called James Gosling and it is originally owned by Oracle. Also, worthy of mention is the fact that Java was originally known as Oak.
Generally, Java as a software application usually are developed having a ".jar", ".class" or ".java" filename extensions.
Java byte codes are the same on all computer systems, compiled Java programs are considered to be highly portable. This simply means that, the Java byte code was designed such that it has very few implementation dependency, thus, once the code is written, it can run on all computer platforms that supports the Java programming language.
Hence, the Java byte code is a write once, run anywhere software program.
The Java byte code instructions are read and executed by a computer program known as a Java Virtual Machine (JVM).
Additionally, Java program is used for developing varieties of applications such as, mobile, desktop, games, web and application servers etc.
How does net neutrality protect your information? Do they connect everyone into something?
Answers
Answer:
Net neutrality law focuses on regulating and/or preventing three main practices:
Blocking: ISPs cannot block or prevent access to any lawful content on the web.
Paid prioritization: Providers cannot prioritize companies or consumers who pay a premium for a “fast lane” and keep those who don’t pay in a “slow lane.”
Throttling: Providers cannot limit your bandwidth or slow your connection based on your internet activities.
Without net neutrality or other laws protecting equal content, ISPs could, in theory, block certain websites and favor others. For example, your internet provider could theoretically make Netflix slower in order to push you towards its cable TV service.
Or, Xfinity could allow their subscribers to stream Peacock content (which they own through NBCUniversal) for free, while charging subscribers for watching Netflix. With net neutrality, you would have free and equal access to both Peacock and Netflix.
Another example would be your ISP slowing your connection every time you try to game over Twitch, but speeding it back up again when you’re not gaming, a practice known as throttling.
Explanation:
Answer: Net neutrality rules prevent this by requiring ISPs to connect users to all lawful content on the internet equally, without giving preferential treatment to certain sites or services. In the absence of net neutrality, companies can buy priority access to ISP customers.