Answer:
authenticating that the data received in a DNS response is the same as what was entered by the zone administrator
While using PERT (Program Evaluation Review Technique) and CPM (Critical Path Method) techniques, activities that are on the critical path are more flexible than those activities which are not on the critical path.
a. True
b. False
Answer:
b. False
Explanation:
The Critical Path Method(CPM) is used to determine the maximum time to finish a project based on the total maximum time of the network of interdependent activities in the project. The CPM is usually used in conjunction with the Program Evaluation Review Technique(PERT). If an activity is in the critical path then it is at its maximum or longest duration time and cannot be more flexible at this point.
Study the following two class interfaces: class Question { public: Question(); void set_text(string new_text); void set_answer(string new_answer); void display() const; private: string text; string answer; }; class ChoiceQuestion : public Question { public: ChoiceQuestion(); void set_text(string new_text); }; Which member function from the Question class is overridden in the ChoiceQuestion class?
Answer:
The question function
Explanation:
The ChoiceQuestion function inherits from the Question class and should have it's functions and attributes as it is now a child of the Question class. It however overides the Question class function where it sets the ChoiceQuestion class function in the first function definition of the ChoiceQuestion class definition. This allows the child class to have it's own functions as well have access to the attributes and functions of the parent class.
When planning out the new data center where he is building a private cloud, Juan knows that he needs to account for all of the physical and logical resources that the servers will need in that new network. Which of the following must he account for in regard to the network part of his planning?
a. Ensure that he has enough MAC addresses for the virtual machines.
b. Ensure that he has enough IP addresses for the networks and subnets to account for the vNICs that are in bridging mode.
c. Ensure that there is one network card or port per virtual machine on each host.
d. Ensure that all of the virtual machines are configured with the same VLAN so that they can all communicate with one another.
The process by which the kernel temporarily moves data from memory to a storage device is known as what?
Answer: Swapping
Explanation:
Swapping is referred to as the process by which the kernel temporarily moves data from memory to a storage device.
Swapping is simply a memory management scheme whereby the process can be swapped temporarily from the main memory to the secondary memory in order for the main memory to be available for other processes. Swapping is used for memory utilization.
Write a Java program which displays a menu to allow user the following functionality: 1. Load employees’ data - prompts user for the number of employees to be loaded and then prompts for each employee name, id (5 digit number), and annual salary
Answer:
Explanation:
The code I created is written in Java. It creates an Employee class that holds the employee's name, id, and salary. Then the main method has a menu that asks the user if they want to load data, print data, or exit. Each of which is fully functioning. If the user wants to load data, it asks them how many employees they want to add and then allow them to add the employees by calling the Employee class every time and saving the objects in an ArrayList. The program has been tested and the output can be seen in the image below.
import java.util.ArrayList;
import java.util.Scanner;
class Brainly {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
ArrayList<EmployeeData> companyData = new ArrayList<>();
boolean loopAgain = true;
while (loopAgain) {
System.out.println("Menu:");
System.out.println("1: Load Employee Data");
System.out.println("2: Print Employee Data");
System.out.println("3: Exit");
int answer = in.nextInt();
switch (answer) {
case 1: {
System.out.println("How many employees will you add?");
int loop = in.nextInt();
for (int i =0; i < loop; i++) {
companyData.add(new EmployeeData());
}
} break;
case 2: {
for (EmployeeData x : companyData) {
x.printData();
}
} break;
case 3: loopAgain = false; break;
}
}
}
}
class EmployeeData {
String name;
int id, salary;
public EmployeeData() {
Scanner in = new Scanner(System.in);
System.out.println("Enter Employee Name: ");
String name = in.nextLine();
System.out.println("Enter Employee ID:");
int id = in.nextInt();
System.out.println("Enter Employee Salary: ");
int salary = in.nextInt();
this.name = name;
this.id = id;
this.salary = salary;
}
public void printData() {
System.out.println("Employee: " + this.name);
System.out.println("ID: " + this.id);
System.out.println("Salary: " + this.salary);
}
}
Which of the following represents knowledge as a set ofâ rules? A. Neural networks.B. Machine learning systems.C. Robotics.D. Expert systems.E. Genetic algorithms.
Answer:
D. Expert systems
Explanation:
Artificial intelligence (AI) also known as machine learning can be defined as a branch of computer science which typically involves the process of using algorithms to build a smart computer-controlled robot or machine that is capable of performing tasks that are exclusively designed to be performed by humans or with human intelligence.
Artificial intelligence (AI) provides smarter results and performs related tasks excellently when compared with applications that are built using conventional programming.
Generally, there are two (2) main characteristics of artificial intelligence (AI) systems and these include;
I. Non-algorithmic processing.
II. Symbolic processing.
In artificial intelligence (AI), the field of expert systems is the most important applied area because it models human knowledge.
Hence, expert systems represents knowledge as a set of rules.
Although, all expert systems are generally lacking in human capabilities and can only use inference procedures to proffer solutions to specific problems that would normally require human expertise or competence.
Some of the areas where expert systems can be applied are; monitoring, diagnosis, scheduling, classification, design, process control, planning, etc.
The Expert systems represent the knowledge as a set of rules. Thus option D is correct.
What is an expert system?The system is the computer-based system that emulates all decision-making abilities of man and is designed to solving the complex problems by use of reasoning through the representation of IF-THEN rules.
The expert system is divided into the two types of systems such as knowledge base and inference engines. The knowledge base shows the facts and rules. The inference applies those facts to know the rules.
Find out more information about the expert systems.
brainly.com/question/9619145
what is the printed version of what you see on the computer screen
Answer:
screenshot
Explanation:
screenshot
Answer:
a image of what is on your screen on paper
Explanation:
This is a image of the screen of your computer with all images pasted out in paper form
You are developing a site for travel. From the homepage, a visitor wants to view packages for a trip to Japan. Based on the attached file structure and your knowledge of the Internet, write the code for links to the following:
Answer:
Explanation:
After finding the structure online that is mentioned in the question I was able to write out the necessary HTML code. The following code uses <a> tags which are the required tags for links. Inside these tags you will find the href attribute which tells the browser where to take the user when the user clicks on one of these links. Each link has the name of the link, for example, the first link will say "Visit Japan".
<a href="japan.html">Visit Japan</a>
<a href="family.html">Family Friendly Tours</a>
<a href="cycling.html">Cycling Enthusiast Tours</a>
<a href="culinary.html">Culinary Based Excursions</a>
If one wish to create a loop such that it will continuously add time elapsed between two functions with variable computation time until 1 hour is passed, what type of loop would be best
"Between two functions" not sure of what you mean there but here's a quick way to execute a function for an hour
Answer and Explanation:
var interval=setInterval(function(){
var i=0;
for (i=0; i <=60; i++){
for (i=0; i <70; i++){
console.log(i); }
}}, 60000);
Imagine you are trying to choose what restaurant to visit. You have a list of restaurants, each with a collection of star ratings. You also have a minimum standard; you will only go to a restaurant whose star rating is at least your minimum standard. Write a function called restaurant_rating. restaurant_rating has two parameters. The first is a dictionary, where the keys are restaurant names and the values are lists of ratings. The second parameter is your minimum rating. If a restaurant's average rating is above your minimum rating, you might visit it. If it is not, you won't. restaurant_rating should return a list of restaurants eligible for you to visit. That is, it should return a list of restaurant names from the dictionary whose average ratings (the average of the ratings in their lists) is greater than or equal to your minimum rating. This list should be sorted alphabetically. For example: rest_and_rating
Answer:
The function in Python is as follows:
def restaurant_rating(restaurants,minRatings):
restaurantList = []
for key in restaurants:
if restaurants[key] >= minRatings:
restaurantList.append(key)
restaurantList.sort()
return restaurantList
Explanation:
This declares the function
def restaurant_rating(restaurants,minRatings):
This initializes the list of eligible restaurants
restaurantList = []
This iterates through the restaurant dictionary
for key in restaurants:
If the ratings is greater than or equal to minimum ratings
if restaurants[key] >= minRatings:
The restaurant name is appended to the restaurant list
restaurantList.append(key)
Sort the eligible lists
restaurantList.sort()
Return the list
return restaurantList
what is example of application of machine learning that can be imposed in eduction. (except brainly.)
Answer:
Machine Learning Examples
Recommendation Engines (Netflix)
Sorting, tagging and categorizing photos (Yelp)
Self-Driving Cars (Waymo)
Education (Duolingo)
Customer Lifetime Value (Asos)
Patient Sickness Predictions (KenSci)
Determining Credit Worthiness (Deserve)
Targeted Emails (Optimail)
DEFINITION of COMPONENT HARDWARE?
Answer: See explanation
Explanation:
Computer hardware refers to the physical parts of a computer, which includes the monitor, mouse, central processing unit (CPU), keyboard, computer data storage etc.
Hardware are the physical, computer devices, which helps in providing support for major functions like input, processing, output, and communication. The computer hardware is directed by the software to perform an instruction.
Your friend Amy calls you asking for help with her new LCD monitor. She says the monitor isn't showing the whole picture. What is the resolution you should recommend for her to use
Answer: probably 1080p (which is HD)
Explanation: Lcd monitors mainly support 1080p.
I need to create a method named "root positive". which will either print the square root of the number passed to it or if the number is less than zero, it will print out the statement "Number must not be negative."?
1. Ask the user to input a number of type double which you will find the square root of the number.
2. Create a method called rootPositive which will either print the square root of the number passed to it or if the number is less than zero, it will print out the statement "Number must not be negative.".
3. Call your rootPositive method and pass to it the number the user enetered.
Answer:
Explanation:
The following code is written in Java. It is a method that calculates the square root of a number as requested. The method first checks with an IF statement if the parameter value is a positive number and then calculates the square root and prints it to the screen. Otherwise, it prints Number must not be negative. A test case has been provided in the main method and the output can be seen in the attached image below.
import java.util.Scanner;
class Brainly {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.print("Enter a number of type double to calculate square root:");
double num = in.nextDouble();
rootPositive(num);
}
public static void rootPositive(double num) {
if (num > 0) {
System.out.println(Math.sqrt(num));
} else {
System.out.println("Number must not be negative.");
}
}
}
when describing a software lincense what does the phrase "open source" mean?
For this assignment, you will use pointers to write a program that can be used to gather statistical data about the number of movies college students see in a month. The program should ask the user how many students were surveyed and dynamically allocate an array of that size. The program should then allow the user to enter the number of movies each student has seen. The program should then calculate the average, median, and mode of the values entered. Be sure to include comments throughout your code where appropriate.
Complete the C++ code
Answer:
Following are the program to the given question:
#include <iostream>//header file
#include <bits/stdc++.h>//header file
using namespace std;
int main()//main method
{
int x,i,sum=0;//defining integer variable
double average, median;//defining double variable
cout<<"How many students were surveyed? ";//print message
cin>>x;//input value
int *a = new int[x]; //dynamically created array
for(i = 0;i<x;i++)//defining for loop to input value in array
{
cout<<"Enter the number of movies seen by student number "<<i+1<<": ";//print message
cin>>a[i];//input value
}
for (int i = 0; i < x; i++)//defining loop for add value
sum += a[i]; //use sum to add array value
average = (double)sum/x;//defining average variable to calculate average
cout<<"Average is "<<average<<endl;//print average value with message
sort(a, a+x); //use sort method to sort array to find the median
if (x % 2 != 0)//use if to check the even value
median = (double)a[x/2];//calculating the median value
else//esle block
median = (double)(a[(x-1)/2] + a[x/2])/2.0;//calculating median value
cout<<"Median is "<<median<<endl;//print median value with message
int m_count=1 ,mode= a[0], c_count = 0;//defining integer variable
for( i=1;i<x;i++)//defining for loop arrenge value
{
if(a[i]==a[i-1])//use if to check array value
{
c_count++;//increment c_count variable value
}
else//else block
{
if(c_count>m_count)//use if to check c_count greater than m_count
{
m_count = c_count;//holding value in m_count
mode = a[i-1];//holding mode value
}
c_count = 1;//holding value integer value in c_count
}
}
cout<<"Mode is "<<mode;//print mode value with message
return 0;
}
Output:
Please find the attachment file.
Explanation:
Including header file.Defining the main method. Declaring integer and double type variables.Declaring integer array.Use the loop to the input value.After input, the value uses double variable "average, the median" that uses the for loop and conditional statement to check the value and hold in its variable.In the next step, another integer variable "m_count, mode, and c_count" is defined that uses the loop and conditional statement to check the median and mode value and hold its value into their variable.If x=50.7,y=25.3 and z is defined as integer z,calculate z=x+y
Answer:
Ans: 76
Explanation:
z=x+y
=50•7 + 25•3
=76#
Select the correct answer.
A software development team is currently in the database creation phase of a project. Which activity will they undertake in this phase?
A.
memory allocation
B.
database design
C.
selecting a DBMS
D.
loading data
Answer:
database design is the correct e
Answer:
memory allocation
write a function that takes two integer arrays as input return true if any two of the numbers in the first array input add up to any of the numbers in the second array tests return false
Answer:
Explanation:
This program is written in Python. It is a function that takes in two arrays. Then it loops through the first array twice, adding each element with the others and comparing the sum to the values in the second array. If a similar value is found in the second array, the program prints out the value and returns True to the user. Otherwise, it returns False. A test case has been created with two array variables that print out False, the output can be seen in the attached image below.
def sumArray(arr1, arr2):
for i in range(len(arr1)):
for x in range(len(arr1)):
sum = 0
if i != x:
sum = arr1[i] + arr1[x]
if sum in arr2:
print(str(sum) + "Found in Second Array")
return True
return False
arr1 = [1, 9, 10, 44]
arr2 = [2, 4, 8, 14]
print(sumArray(arr1, arr2))
Websites can send __________ to your computer that stay on your hard drive and can track your web movements. Multiple Choice freeware cookies viruses pop ups
Answer:
Cookies
Explanation:
Cookies are pieces of information stored as text strings on your computer.
A web server sends you a cookie and a web browser stores it. The browser then returns the cookie to the server the next time the page is referenced. One of the most common uses of cookies is to store user ID. For example, the cookie might contain the following ID = 456894.
An example of a website that uses a cookie is an e-commerce website. When you visit the site and fill out a form, the website assigns you a user ID, stores your information with this user ID in the database on the web server and then returns this ID to your browser as a cookie.
The next time you visit the page, the browser sends this ID to the server. The server looks up this ID and then customizes the page it sends back to you. For example, you might see on the page, "Welcome back, David!"
When a virtual machine is
created, it is assigned
_____such as the CPU,
_____,Network Interface,
and storage..
Answer:
Resources, RAM
Explanation:
May be another choice for resources but the second one is definently RAM
What opeartions will acquire memory from heap? Select all that apply. Group of answer choices malloc new free declaraion
Answer:
malloc, new
Explanation:
Heap memory is that part of the memory which is allocated to the JVM and it is shared by all the executing threads in the application. This memory is used by the programming languages to store the global variables. All the global variables are stored in the heap memory by default. This memory is also known as the dynamic memory.
In C programming, the library function, malloc is mainly used to allocate the block of the memory on the heap.
The new operation also acquires memory form the heap.
Thus, the answer is 'malloc' and 'new'.
Catherine is designing the backup strategy for the new private cloud that her company is implementing. She specifies that a full backup will be done weekly on Sunday mornings. She also specifies that another backup will be run every morning after that. Which of the following backup types will use the least amount of disk space for the daily backups?
a. Cumulative
b. Additive
c. Incremental
d. Differentia
Answer:
Incremental ( C )
Explanation:
The incremental backup system should be used since Catherine intends to backup files every morning and this is because Incremental backup uses the least amount of disk space by simply copying data of files that have been changed after its previous backup session . Instead of copying all the files that it has previously copied in the previous backup session
Given the following class definition and the variable declaration:
class employee
char *name;
long id; }
class manager {
employee empl;
char* rank; } x
Which of the following assignment statement is correct?
a. x.empl->id = 12345;
b. x.id = 12345;
c. x->id = 12345;
d. x.empl.id = 12345;
Answer:
The answer is "Option d".
Explanation:
In the above-given code, two-class is defined that is "employee and manager", in which the first class "employee" defines two variables that are "name, id". In this name is pointer type character and id is a long type variable.
In the second class "manager" one variable "rank" and the employee object is created. In this class, the rank variable is a pointer type character, and outside this class, a reference "x" is created.
In this code, we use both class object that uses the "employee" class variable that is id to hold value in it.
Select the correct navigational path to create a combination chart. Select the chart. Click the Chart Tools tab. Select the data series from the Chart Area list. Click the Chart Tools tab. Click Change Chart Type. Choose a chart type for the selected data series and click OK.
Answer:
format and design
Explanation:
Answer:
format and design
Explanation:
Consider a system with seven processes: E, F, G, H, I, J, K and six resources: U, V, W, X, Y, Z. Process E holds U and wants V. Process F holds nothing but wants W. Process G holds nothing but wants V. Process H holds X and wants V and W. Process I holds W and wants Y. Process J holds Z and wants V. Process K holds Y and wants X. Is this system deadlocked?
a. Yes
b. No
Answer:
a. Yes
Explanation:
System is deadlock due to process HIK. Process H holds X and wants V and W. Process I holds W and wants Y. Process K holds Y and wants X. The system will become deadlock due to these three different processes.
What tool can help discover and report computer errors when you first turn on a computer and before the operating system is launched?
Answer:
a post diagnostic
Explanation:
Answer:
post diagnostic Card
Explanation:
a post diagnostic card helps discover computer errors.
What is the full form of USB ?
Answer:
universal serial bus: an external serial bus interface standard for connecting peripheral devices to a computer, as in a USB port or USB cable.
Explanation:
You are sitting at the local coffee shop, enjoying your favorite latte. You pull out your laptop and, using the wireless network available at the coffee shop, access your e-mail. List all the different networks possibly involved in this operation.
Answer:
Laptop computer is connected to wireless connection in the coffee shop, which is connected to an ISP which is connected to the Internet.
Explanation:
The laptop's Wireless connection is turned on such that it is enabled to find wireless connection access signals within a certain Radius. The ability to connect to a wireless network is that the coffee shop has open wireless connection which is detected by the laptop signals and connects to it. The wireless connection provided by the coffee shop is connected to a certain internet service provider which eneblws connected networks to be able to access the internet.
What will be the output of the following code
1 Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
2
3
Pim val As Double
val - Math.Sqrt (12)
5
TextBox1.Text = val
6
7 End Sub
Answer:
3.4641016151377544
Explanation:
See picture for corrected code. The OCR messes up the code.
