1) Data mining is the process of extracting and detecting patterns in vast amounts of data using methods from machine learning, statistics, and database systems.
2) Various main data mining techniques, such as association, classification, clustering, prediction, sequential patterns, and regression, have been developed and applied in current data mining initiatives.
What are the approaches to Data Mining?1) Clustering -
The practice of grouping a sequence of diverse data points based on their qualities is called clustering. Data miners may then effortlessly split the data into subsets, allowing them to make better-educated judgments about large populations (such as consumers or users) and their corresponding habits.
2) Association -
Data miners use association to uncover unusual or intriguing associations between variables in databases. Association is frequently used to assist businesses in determining marketing research and strategy.
3) Prediction -
Predictive modeling is one of the most frequent applications of data mining and works best with huge data sets with a high sample size.
Some of the techniques and vocabulary used in predictive modeling are the same as those used in other data mining activities.
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Power Practical Portable LED Rope Light Lantern, Multiple Size Selection, Waterproof Luminoodle Rope Light for Outdoor Camping, Hiking, Emergencies Use.
a. true
b. false
Bending the rope light back and forth repeatedly can damage the internal wiring and components, therefore try to bend it just in one direction.
Winding your rope lights around tiny diameter poles and trees might cause the wiring to break and short out parts. The most common variety of rope light is 120V, which is suitable for most indoor and outdoor lighting installations where an electrical outlet is available. A 12V (DC) rope light is commonly used for parade floats, bikes, boats, and low voltage landscape lighting and is powered by a converter or battery. Bending the rope light back and forth repeatedly can damage the internal wiring and components, therefore try to bend it just in one direction.
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a cybersecurity student has been using dig and whois to query hosting records and check external dns services when a fellow student recommends a tool that packages similar functions and tests into a single query. conclude what tool the student recommended.
A cybersecurity student has been using dig and whois to query hosting records and check external DNS services when a fellow student recommends a tool that packages similar functions and tests into a single query. The tool the student is recommended is 'dnsenum'.
Dnsenum is a multithreaded Perl script to enumerate DNS information of a domain and to identify non-contiguous IP blocks. The primary purpose of 'dnsenum' is to gather as much information as possible about a domain.
In the given example where a cybersecurity student has been using dig and whois to query hosting records and check to see external DNS services when his classmate recommends a tool that combines similar functionality and tests into a single query. The tool recommended to students is 'dnsenum'.
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Write a program that reads 10 integers from a file and displays them in the reverse of the order in which they were read. Implement your program using the data structure stack. Then displays the integers in the same order in which they were read using queue. Note that for both orders of display, if two or more consecutive numbers are identical, then only display one of them. Make your own file input with some consecutive identical numbers to demonstrate this.
The top of a stack, which is a Last-In, First-Out (LIFO) data structure, is where elements are added and removed.
Its two primary actions are push, which adds an element to the stack, and pop, which removes the most recent addition to the stack while leaving the unremoved element. A stack can be implemented in several ways by changing the enqueue and dequeue operations of one or two queues. The idea is to configure the queue's enqueue procedure so that the most recent item always comes first. To do this, we'll need an additional queue. The top of a stack, which is a Last-In, First-Out (LIFO) data structure, is where elements are added and removed.
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the new ich e6(r2) integrated addendum requires sponsors to implement systems to manage quality throughout all stages of the trial process. the system should use a risk-based approach including which of the following?
Clearly disclose to subjects in the informed consent form that the monitor, auditor, IRB/IEC, and the regulatory authorities may have access to the subject's medical records
Identification of study risks to determine which may safely be omitted from continual monitoring
Clearly disclose to subjects in the informed consent form that the monitor, auditor, IRB/IEC, and the regulatory authorities may have access to the subject's medical records. It is important to inform participants about the potential access to their medical records as it is a requirement in the regulation and also it is important for ethical considerations to ensure fully informed consent.
The International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) E6(R2) guideline, which provides guidance for the conduct of clinical trials, does require sponsors to implement systems to manage quality throughout all stages of the trial process. These systems should use a risk-based approach, which includes the identification of study risks and the determination of which risks may safely be omitted from continual monitoring.
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Select the incorrect statement about HTML images
An tag cannot be placed within a tag
Src, alt, title are attributes of an image tag
tag is an empty tag
alt specifies an alternate text for an image, if the image cannot be displayed
The incorrect statement about HTML images is option A: An tag cannot be placed within a tag.
What is HTML images?An image can be embedded on a web page using the HTML tag. Images are linked to online pages; they are not actually placed into web pages. The referenced image has a holding area thanks to the tag. The tag has no ending tag, is empty, and just includes attributes.
Note that Adding images to your website is a simple method to enhance user experience. Visual information makes up 90% of all information that we take in and have sent to our brains. Images can aid in drawing attention to your site and directing visitors' lines of sight.
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QUICK PLEASE!!!!!! 100 POITNS
Which line of code will have "navy rainbow" as an output?
class pencil:
color = 'yellow'
hardness = 2
class pencilCase:
def __init__(self, color, art):
self.color = color
self.art = art
def __str__(self):
return self.color + " " + self.art
# main program
pencilA = pencil()
print (caseA)
Answer: (A) -> caseA.pencilCase(’navy’, ‘rainbow')
Explanation:
I believe that you may have written an error on the second to last line of your code, instead of setting:
pencilA = pencil() --> this should be: caseA = pencil()
which makes A the correct answer!
What do you suggest as an IT professional are ways that we can hold others accountable for ethical practices in IT?
Answer:
Keep Ethics in the Spotlight—and Out of the Compliance Box: Ethics is a pervasive aspect of technological practice. Because of the immense.
Explanation:
Assume the name of your data frame is flavors_df. What code chunk lets you review the column names in the data frame?
a rename(flavors_df)
b col(flavors_df)
c arrange(flavors_df)
d colnames(flavors_df)
Suppose the name of your data frame is 'flavors_df.' The code chunk that lets you review the column names in the data frame is D: 'colnames(flavors_df)'.
A data frame refers to a data structure that organizes data into a two-dimensional table of rows and columns, like a spreadsheet. Data frames are considered one of the most common data structures being used in modern data analytics. For this reason, they provide a flexible and intuitive way of storing and working with data.
In the context of the given phenomena where the name of a data frame is supposed to be 'flavors_df'. You want to check the column names in the data frame, so the appropriate code that allows you to do so is 'colnames(flavors_df)'.
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In most cases, access to every table and field in a database is a necessity for every user. True or false?
The given statement "In most cases, access to every table and field in a database is a necessity for every user." is false because an access control list is usually initiated by default.
What is DBMS?In Computer technology, DBMS is an abbreviation for database management system and it can be defined as a collection of software applications that enable various computer users to create, store, modify, migrate (transfer), retrieve, and manage data items in a relational database.
What is a database?In a database management system (DBMS), a database can be defined as an organized and structured collection of data that are stored on a computer system as a backup and they are usually accessed electronically through a software.
In this context, we can reasonably infer and logically deduce that tables and field in a database can be used to determine all of the information on the data items that are stored in a given data set. However, it is not a necessity that access to every table and field must be provided for every end users.
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You have an Azure container registry that stores an image named Image1 and a Windows Server 2022 Azure virtual machine named VM1. You need to ensure that you can run Image1 in VM1. What should you install in VM1?
Docker
Hyper-V role
Azure Portal
.NET Framework 4.7
Both these questions and this material are not the same as what you will see on the exam. You have VM1, a virtual computer in Azure.
Which Azure service is suitable for container image storage?Private Docker container images are managed by Azure Container Registry, along with related content formats including Helm charts, OCI artifacts, and images created in accordance with the OCI image format definition.
You must install Docker in VM1 in order to use an image from an Azure container registry inside of it. VM1 is a Windows Server 2022 Azure virtual machine. You can run containerized apps, including those packaged as Docker images, using the containerization platform Docker.
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The TidBit Computer Store (Chapter 3, Project 10) has a credit plan for computer purchases. Inputs are the annual interest rate and the purchase price. Monthly payments are 5% of the listed purchase price, minus the down payment, which must be 10% of the purchase price.
Write a GUI-based program that displays labeled fields for the inputs and a text area for the output. The program should display a table, with appropriate headers, of a payment schedule for the lifetime of the loan. Each row of the table should contain the following items:
The month number (beginning with 1)
The current total balance owed
The interest owed for that month
The amount of principal owed for that month
The payment for that month
The balance remaining after payment
The amount of interest for a month is equal to ((balance * rate) / 12) / 100. The amount of principal for a month is equal to the monthly payment minus the interest owed.
Your program should include separate classes for the model and the view. The model should include a method that expects the two inputs as arguments and returns a formatted string for output by the GUI.
I've been stuck on this and can't figure it out.
The pseudocode that should help you get started on this project is given below:
# CreditPlanModel class
def __init__(self, annual_interest_rate, purchase_price):
self.annual_interest_rate = annual_interest_rate
self.purchase_price = purchase_price
def get_payment_schedule(self):
payment_schedule = []
balance = self.purchase_price
down_payment = self.purchase_price * 0.1
balance -= down_payment
monthly_payment = self.purchase_price * 0.05
month_number = 1
while balance > 0:
interest_owed = ((balance * self.annual_interest_rate) / 12) / 100
principal_owed = monthly_payment - interest_owed
payment_schedule.append({
'month_number': month_number,
'balance': balance,
'interest_owed': interest_owed,
'principal_owed': principal_owed,
'monthly_payment': monthly_payment,
})
balance -= principal_owed
month_number += 1
return payment_schedule
# CreditPlanView class
def __init__(self):
self.create_view()
def create_view(self):
# Create the GUI elements (input fields, text area, table)
def display_payment_schedule(self, payment_schedule):
# Populate the table with the payment schedule data
# Main program
def main():
model = CreditPlanModel(annual_interest_rate, purchase_price)
view = CreditPlanView()
payment_schedule = model.get_payment_schedule()
view.display_payment_schedule(payment_schedule)
if __name__ == '__main__':
main()
What is the GUI-based program about?The above code should give you a good starting point for creating the model and view classes, as well as the main program that ties everything together.
Note that You'll need to add additional code to handle user input and GUI events, but this should give you a general idea of how the program should be structured.
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Windows 10 features a storage solution called Storage Spaces. When you configure Storage Spaces, you can include information redundancy with a feature called Data Resiliency.
Match the types of data resiliency on the left with the appropriate descriptions on the right. Each type of data resiliency may be used once, more than once, or not at all.
A. Simple
B. Two-way mirror
C. Three-way mirror
D. Parity
1. Requires that you have at least three storage devices.
2. Requires at least five storage devices.
3. Does not provide redundancy.
4. Does not provide protection from a single storage device failure.
5. Requires at least two storage devices.
6. Allows you to reconstruct data if one of the storage devices fails.
7. Protects your data if two storage devices fail at one time.
The storage allows a computer to temporarily or permanently store data (The required matching is given below.)
What is Storage in computers?A computer can store data either momentarily or permanently using the storage.
Most digital gadgets need storage components like flash drives and hard disks because they let users store all types of data, including films, documents, photographs, and raw data.
Computers use two different kinds of storage: a primary storage device, like RAM, and a secondary storage device, like a hard drive.
Removable, internal, or external secondary storage are all options.
The matching is as follows:
1. Need at least three storage devices to be available⇒ The parity
2. demands a minimum of five storage devices ⇒ Mirror with three sides
3. Provides no redundancy ⇒ Simple
4. Defends against the failure of a single storage device ⇒ Two-way mirror
5. Needs two or more storage devices ⇒ A two-way mirror.
6. Enables data reconstruction in the event that a storage device fails ⇒ Parity
7. Three-way mirror ⇒ safeguards your data in the event that two storage devices fail simultaneously.
Therefore, the storage allows a computer to temporarily or permanently store data.
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Illustrate, by example, how a C++ struct may be passed as a parameter by value or by reference. Also, show how it can be returned from a function. Be thorough in your example and explain your code.
Here is an example of a C++ struct called "person" that contains three members: a string for the name, an int for the age, and a float for the height.
struct Person {
string name;
int age;
float height;
};
Passing a struct as a parameter by value means that a copy of the struct is created and passed to the function. In this case, any changes made to the struct within the function will not affect the original struct. Here is an example of passing a struct by value:
void printPerson(Person p) {
cout << "Name: " << p.name << endl;
cout << "Age: " << p.age << endl;
cout << "Height: " << p.height << endl;
}
int main() {
Person p1;
p1.name = "John Smith";
p1.age = 30;
p1.height = 72.5;
printPerson(p1);
// Output: Name: John Smith
// Age: 30
// Height: 72.5
}
Returning a struct from a function is similar to returning any other data type in C++. Here is an example of returning a struct from a function:
Person createPerson(string name, int age, float height) {
Person p;
p.name = name;
p.age = age;
p.height = height;
return p;
}
int main() {
Person p1 = createPerson("Jane Doe", 25, 68.5);
cout << "Name: " << p1.name << endl;
cout << "Age: " << p1.age << endl;
cout << "Height: " << p1.height << endl;
// Output: Name: Jane Doe
// Age: 25
// Height: 68.5
}
In general, passing by value is useful when we want to make sure that the original struct remains unchanged. Returning a struct from a function is useful when you want to create a new struct and return it to the calling code.
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Where in PowerPoint should a user navigate to complete the tasks listed below?
Save a presentation:
Add a table to a slide:
Repeat or undo an action:
Expand the options for a command group:
Answer:Add a table to a slide. ribbon. Repeat or undo an action. Quick Access Toolbar. Expand the options for a command group: ribbon. Which feature helps a user
Answer:
Where in PowerPoint should a user navigate to complete the tasks listed below?
Save a presentation:
✔ Quick Access toolbar
Add a table to a slide:
✔ ribbon
Repeat or undo an action:
✔ Quick Access toolbar
Expand the options for a command group:
✔ ribbon
Explanation:
Yeah
1 Light Speed Transmission is having;
STP
UTP
Optical Fiber
Coaxial Cable
Answer:
Optical Fiber
Explanation:
Optical Fiber = Light Speed Transmission is having;
how to find ip address of department with 256 user,128 user ,64 user,32 user,8user,8 user
Which 2 of these statements are true about excluded bank transactions in the Banking center?
The two statements that are true about excluded bank transactions in the Banking center are
If the downloaded transaction was already recorded and reconciled in QuickBooks OnlineIf the bank downloads the same transaction more than onceWhat is a bank transaction?The movement of money into and out of your bank account is documented by bank transactions. Your bank account will experience transactions when you have to make payments for business-related expenses, such as office space rent.
A bank will give you a bank receipt when you go there to deposit or withdraw money.
Therefore, the correct options are a and b.
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The question is incomplete. Your most probably complete question is given below:
If the downloaded transaction was already recorded and reconciled in QuickBooks Online
If the bank downloads the same transaction more than once
If the posting date and actual payment date don't match in the bank feed
If the bank description doesn't match the payee's name
What is wrong, if anything, with the following function, used to calculate a factorial?
It does not handle negative numbers, which is the correct response based on the information provided in the query.
In C, what's an unsigned int?Nowadays, languages that distinguish among signed and unregistered integers include C and C++. A signed int can handle both and negative numbers by default. An integer that is unsigned can never be minus.
What in C is an unsigned data type?The character data type unsigned char uses all 8 bits of memory and does not include a signal value (which is there in signed char). Therefore, the unregistered char data type has a range of 0 to 255. Unsigned char [variable name] = [value] is the syntax.
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_____ work(s) with the hardware and control(s) the basic functioning of the computer.
Operating system work(s) with the hardware and control(s) the basic functioning of the computer.
What is the Operating system?An operating system (OS) is a software program that manages and controls the resources of a computer. It acts as an intermediary between the computer's hardware and its software applications.
Note that the OS is responsible for managing and allocating the computer's memory, processing power, and storage. It also controls and manages input and output operations, such as keyboard input, mouse movement, and file access.
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A technician has determined that she needs to replace a motherboard in a laptop. Which of the following procedures should you follow? (Choose two.)
A. Never use a power screwdriver with a laptop.
B. Document and label screw locations.
C. Refer to the manufacturer’s instructions.
D. Remove the keyboard before removing the motherboard.
Answer:c
Explanation: they made so they know how to fix it
The technician should follow procedures B. Document and label screw locations and D. Remove the keyboard before removing the motherboard.
When replacing a motherboard in a laptop, it is important to keep track of where each screw is located and to remove the keyboard before removing the motherboard.
Additionally, it is important to refer to the manufacturer's instructions for specific instructions and guidelines for replacing the motherboard. Never use a power screwdriver with a laptop, as this can cause damage to the device.
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Viewing the events of last January 6 needs to be placed in the context of a broader global crisis of “liberal democracy”. According to the 2021 World Freedom Report published by the think tank Freedom House, democracy has been in decline for 15 consecutive years, with some of the biggest setbacks occurring in the United States and India.
Yes it is true that According to the 2021 World Freedom Report published by the think tank Freedom House, democracy has been in decline for 15 consecutive years, with some of the biggest setbacks occurring in the United States and India.
What is democracy in the above case?The events of January 6, 2021 were certainly a part of a larger trend of democratic erosion that has been taking place globally in recent years.
This trend is concerning, as liberal democracy and the rule of law are important foundations of a healthy, prosperous society. It is important for people to be able to hold their governments accountable through free and fair elections, and for the rights and freedoms of all individuals to be protected.
In general, democratic erosion refers to the gradual weakening of the institutions and norms that support democratic governance. This can take a number of forms, including:
Restrictions on the freedom of the press and freedom of expressionLimits on the independence of the judiciaryAttacks on the legitimacy of electionsDiscrimination and persecution of minority groupsCorruption and abuse of power by those in positions of authorityLearn more about democracy from
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MI NTERNET & E-MAIL Explain the following: (a) Internet. (b) Intranet. (c) File Server. AS
Internet:- A large global network of computers called the Internet connects them all. People can share information and communicate via the Internet from any location that has a connection.
Intranet:- Employees utilize intranets to manage workflows, communicate with one another across the company, and search for information. An airline company's unique website for disseminating news and information to its staff is an example of an intranet.
File Server:- In a local area network, a file server is a computer that hosts files that are accessible to all users (LAN). The file server is sometimes a microcomputer in LANs, but sometimes it's a computer with a big hard drive and specialized software.
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given an array of integers, calculate the digits that occur the most number of times in the array. return the array of these digits in ascending order.
The built-in Python function count() provides the count of times an object appears in a list. One of the built-in functions in Python is the count() method.
As suggested by the name, it returns the quantity of times a given value appears in a string or list. Get the number of entries in a number field that is part of a range or array of numbers by using the COUNT function. To count the numbers in the range A1:A20, for instance, enter the formula =COUNT (A1:A20). In this case, the outcome is 5 if five of the range's cells contain numbers.
In Javascript
function solution(numbers) {
let hashmap = {};
let ans = [];
for (let i = 0; i < numbers.length; i++) {
// check wether it double or single digit
if (hasOneDigit(numbers[i])) {
// check if it exists in hashmap
// if exist add number of occurence
// check if the occurence is greater than 2
// add if > 2 to the answer list
if (numbers[i] in hashmap) {
hashmap[numbers[i]] = hashmap[numbers[i]] + 1;
if (hashmap[numbers[i]] = 2 && !ans.includes(numbers[i])) {
// max_freq = hashmap[numbers[i]]
ans.push(numbers[i]);
}
// else if (max_freq == hashmap[numbers[i]])
// ans = min(ans, numbers[i])
} else {
hashmap[numbers[i]] = 1;
}
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How do all array indexes begin?
O A. With the number 0
OB. With the smallest item in the array
O C. With the largest item in the array
O D. With the number 1
All array indexes begin with the largest item in the array. The correct option is C.
What is an array?A grouping of comparable types of data is called an array. For instance, we can create an array of the string type that can hold 100 names if we need to record the names of 100 different persons.
Since modern programming languages' array indices typically begin at 0, computer programmers may use zeroth in places where others may use first, and so on. As a result, the array's index starts at 0, since I initially denote the array's first element.
Therefore, the correct option is C. With the largest item in the array.
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Which of the following methods can a developer use to determine if it is close to hitting the DML rows governor limit? Choose 2 answers.
A. Limits.getLimitDMLRows()
B. Limits.getDMLRows()
C. Database.countQuery()
D. System.assert()
The methods can a developer use to determine if it is close to hitting the DML rows governor limit is Limits.getLimitDMLRows().
What is DML?A data manipulation language (DML) is a family of computer languages including commands permitting users to manipulate data in a database. This manipulation involves inserting data into database tables, retrieving existing data, deleting data from existing tables and modifying existing data. DML is mostly incorporated in SQL databases.A data manipulation language is a computer programming language used for adding, deleting, and modifying data in a database. A DML is often a sublanguage of a broader database language such as SQL, with the DML comprising some of the operators in the language.
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Impacts of ICT on the society
The major benefit of ICT on people is the increased access to services, and information that has accompanied in the progress of the Internet.
What is ICT?Information and Communications Technology (ICT) is the convergence of computing, telecommunication and governance policies for how information should be accessed, secured, processed, transmitted and stored.In some parts of the world, ICT is used as a synonym for information technology (IT), but the two terms can have slightly different meanings when used in different contexts. For example, in the United States the label IT is used when discussing technology in terms of business operations -- while the label ICT is used more often in the context of education and government.ICT has become an umbrella term in many parts of the world as digital communication links replace analog links -- and the demand for professionals who have the knowledge and skills to manage the convergence of these links grows.To learn more about information technology (IT) refer to:
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#include
#include
#include
#include
int value = 5;
int main(void)
{
pid_t pid = fork();
if (pid == 0)
{
value += 5;
printf("value = %d in FIRST CHILD process %d ppid = %d \n", value, getpid(), getppid());
exit(0);
}
else
{
wait(NULL);
printf("\n value = %d in parent FIRST process %d ppid = %d \n", value, getpid(), getppid());
pid = fork();
if (pid == 0)
{
value += 10;
printf("\n value = %d in SECOND CHILD process %d ppid = %d \n", value, getpid(), getppid());
exit(0);
}
}
value++;
printf("\n value = %d in parent SECOND process %d ppid = %d \n", value, getpid(), getppid());
return 0;
}
This is a C program that creates two child processes using the fork() function. The pid_t type is a signed integer type used to represent a process ID.
What does the program do?The fork() function creates a child process that is a duplicate of the calling process. The function returns 0 in the child process and the child's process ID in the parent process. If the function fails to create a child process, it returns -1.
The if statement checks the value of pid to determine whether the process is the child or the parent. If pid is 0, it means that the process is the child. If pid is not 0, it means that the process is the parent.
The wait(NULL) function is called in the parent process to wait for the child process to complete before continuing execution.
The exit(0) function is called in the child process to terminate the child process and return a status of 0 to the parent.
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BigQuery is a fully managed data warehouse. What does “fully managed” refer to?
BigQuery manages the data quality for you.
BigQuery manages the underlying structure for you.
BigQuery manages the cost for you.
BigQuery manages the data source for you.
BigQuery is a fully managed data warehouse. The thing that “fully managed” refer to is all of the above which are:
BigQuery manages the data quality for you.BigQuery manages the underlying structure for you.BigQuery manages the cost for you.BigQuery manages the data source for you.What is BigQuery about?"Fully managed" in the context of BigQuery refers to the fact that the platform handles all aspects of managing a data warehouse for you.
This includes managing the underlying structure and infrastructure, as well as handling tasks such as data loading, backups, and security. With a fully managed data warehouse like BigQuery, you don't have to worry about setting up and maintaining the hardware and software necessary to store and process your data, which can save you time and resources.
Additionally, BigQuery can automatically scale to handle large amounts of data and provide fast query performance, which means you don't have to worry about capacity planning or optimizing query performance.
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Which of the following is a limitation of early networks that used a daisy-chain method of connecting computers? (choose all that apply)
a. Total number of computers that could be connected
b. The processing speed of the computers connected
c. Cable length
d. No Internet access
The limitation of early networks that used a daisy-chain method of connecting computers is Total number of computers that could be connected and Cable length. the correct option is A and C.
The connections between network nodes, which are often computers, are governed by a type of network structure called a daisy chain. Different network topologies support various objectives, such as fault tolerance, persistence, and user-friendliness. The drawback of early networks that connected computers via a daisy-chain technique is Maximum number of linked computers and cable length
The first parallel interface was developed by Centronics and utilized in the Centronics 101 model printer in 1970. Despite the requirement for many wire kinds, this became the standard. Businesses like Dataproducts created connections with up to 50 pins.
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differences between a keyword and an identifier in Python
Answer:
Keywords are the reserved words with a special meaning. Identifiers are the user-defined names of variables, functions, etc. They are written in lower case except for True, False, and None. Need not be written in lowercase.
