Answers
Note that in this case, each sub net mask will have about 30 hosts.
How is this so?This is derived by stating:
(30 ⁵) - 2
= hosts.
Note as well that with 29 subnets, we have 3 bits for the subnet ID, leaving 29 bits for the host ID.
This translates to a subnet mask of 255.255.255. 224.
To find the I P address of host 2 on subnet 6, we need to determine the network address for subnet 6.
The first sub net has a net work adress of 227.12.1.0, and each subsequent subnet will increment by 32.
Therefore, subnet 6 has a net work address of 227.12.1.160 .
Since each subnet can have up to 30 hosts, host 2 on subnet 6 would have an IP address of 227.12.1.162.
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Related Questions
Look at the following Polygon class:
public class Polygon
{
private int numSides;
public Polygon()
{
numSides = 0;
}
public void setNumSides(int sides)
{
numSides = sides;
}
public int getNumSides()
{
return numSides;
}
}
Write a public class named Triangle that is a subclass of the Polygon class. The Triangle class should have the following members:
a private int field named base
a private int field named height
a constructor that assigns 3 to the numSides field and assigns 0 to the base and height fields
a public void method named setBase that accepts an int argument. The argument's value should be assigned to the base field
a public void method named setHeight that accepts an int argument. The argument's value should be assigned to the height field
a public method named getBase that returns the value of the base field
a public method named getHeight that returns the value of the height field
a public method named getArea that returns the area of the triangle as a double.
Use the following formula to calculate the area: Area = (height * base) / 2.0
Answers
Answer: This is the complete program for this with the highest level of explanation.
This program is written in the Java programming language.
The name of this file is Triangle.java
public class Triangle extends Polygon {
// private fields to store the dimensions of the triangle
private int base;
private int height;
// constructor to initialize the fields and set the number of sides
public Triangle() {
// call the setNumSides method inherited from Polygon to set the number of sides to 3
setNumSides(3);
// initialize base and height to 0
base = 0;
height = 0;
}
// setter method for the base field
public void setBase(int b) {
base = b;
}
// setter method for the height field
public void setHeight(int h) {
height = h;
}
// getter method for the base field
public int getBase() {
return base;
}
// getter method for the height field
public int getHeight() {
return height;
}
// method to calculate and return the area of the triangle
public double getArea() {
// calculate the area using the formula (base * height) / 2.0
return 0.5 * base * height;
}
}
The name of this file is Polygon.java
public class Polygon {
private int numSides;
public Polygon() {
numSides = 0;
}
public void setNumSides(int sides) {
if (sides == 3) {
numSides = sides;
} else {
System.out.println("Error: Invalid number of sides for a triangle");
}
}
public int getNumSides() {
return numSides;
}
}
The name of this file is Main.java
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
// Create a new Polygon object and set its number of sides to 3
Polygon polygon = new Polygon();
polygon.setNumSides(3);
// Print out the number of sides of the polygon
System.out.println("Number of sides: " + polygon.getNumSides());
// Obtain input from user for the base and height of a triangle
System.out.print("Enter the base of the triangle: ");
int base = scanner.nextInt();
System.out.print("Enter the height of the triangle: ");
int height = scanner.nextInt();
// Create a new Triangle object and set its base and height
Triangle triangle = new Triangle();
triangle.setBase(base);
triangle.setHeight(height);
// Calculate the area of the triangle and print it out
double area = triangle.getArea();
System.out.println("Area of the triangle: " + area);
}
}
This will be the output generated by this program.
Number of sides: 3
Enter the base of the triangle: 10
Enter the height of the triangle: 15
Area of the triangle: 75.0
Step 2/2
This is the complete explanation for this program.
This Triangle class is a subclass of the Polygon class, which means it inherits all of the methods and variables of the Polygon class.
This Triangle class has two private instance variables: base and height. These variables are used to store the dimensions of the triangle.
This Triangle class has a constructor that initializes the number of sides to 3 and sets the base and height variables to 0.
This Triangle class has four public methods:
a. This set Base method, which sets the value of the base variable to the given value.
b. This set Height method, which sets the value of the height variable to the given value.
c. This get Base method, which returns the value of the base variable.
d. The get Height method, which returns the value of the height variable.
Explanation:
This triangle class has a public get Area method that calculates the area of the triangle using the formula (base * height) / 2.0 and returns the result as a double.
Final answer
This is the image of the output generated by this code.
This is the image of the final output.
This is the complete summary of the entire program.
This program defines two classes: Polygon and Triangle. The Polygon class has one private instance variable, num Sides, and three public methods: Polygon(), set Num Sides(int sides), and get Num Sides (). The Triangle class is a subclass of the Polygon class and features two private instance variables, base and height, as well as six public methods: Triangle (), set Base(int base), set Height(int height), get Base (), get Height (), and get Area ().
The Main class is used to build a Triangle class object and to gather user input for the triangle's base and height. The set Base and set Height methods are used to set the values of the base and height instance variables, respectively.
Answer:
public class Triangle extends Polygon {
private int base;
private int height;
public Triangle() {
setNumSides(3);
base = 0;
height = 0;
}
public void setBase(int baseValue) {
base = baseValue;
}
public void setHeight(int heightValue) {
height = heightValue;
}
public int getBase() {
return base;
}
public int getHeight() {
return height;
}
public double getArea() {
double area = (height * base) / 2.0;
return area;
}
}
Hope This Helps
Why is it important to observe cyber etiquette always?
Answers
Answer:
Oral or in-person communication has the benefit of body language, tone of voice and facial expressions that add to the communication between sender and recipient. Written communication is devoid of this luxury, often making the writer’s intent unclear.
This is the primary reason for the presence of online etiquette—to allow us to communicate well virtually. Most websites and social media platforms have defined the rules of online behavior that users must follow.
Such codes have been put in place to ensure people interact effectively and avoid conflicts. There can even be legal implications of not following net etiquette.
Explanation:
Answer:
observing cyber etiquette helps create a positive and respectful online environment that benefits everyone.
Explanation:
Observing cyber etiquette is important for several reasons:
Respect: Cyber etiquette is about showing respect for others online. By following the rules of cyber etiquette, you demonstrate that you value the feelings, privacy, and time of other people. It is important to remember that behind every computer screen is a real person, and that person deserves to be treated with respect.
Avoiding misunderstandings: The lack of nonverbal cues such as tone of voice and facial expressions online can easily lead to misunderstandings. By following cyber etiquette, you can avoid accidentally offending someone or causing a misunderstanding that can lead to conflict.
Protecting privacy: Cyber etiquette helps protect your own privacy as well as that of others. By refraining from sharing personal information online, avoiding cyberbullying and respecting the privacy settings of others, you help keep the online world a safe place.
Professionalism: Cyber etiquette is especially important in a professional setting. By maintaining a professional tone and avoiding offensive language, you demonstrate your professionalism and can help build your online reputation.
Overall, observing cyber etiquette helps create a positive and respectful online environment that benefits everyone
Drag each label to the correct location. Each tile can be used more than once.
Match each task to the phase of the website development process in which it occurs.
Answers
The task and their phases in web development is given below:
Tasks and PhasesTask:
Planning content and functionality
Designing user interface and user experience
Creating and testing website code
Launching the website
Monitoring and updating website content
Phases:Planning
Design
Development
Launch
Maintenance
Match:Planning: Planning content and functionality
Design: Designing user interface and user experience
Development: Creating and testing website code
Launch: Launching the website
Maintenance: Monitoring and updating website content
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● Move the pen 1 inch along a straight line. (If the pen is lowered, this action draws a 1-inch line from left to right; if the pen is raised, this action just repositions the pen 1 inch to the right.) Turn 90 degrees to the right. Draw a circle that is 1 inch in diameter. Draw a structured flowchart or write structured pseudocode describing the logic that would cause the arm to draw or write the following. Have a fellow student act as the mechanical arm and carry out your instructions. Don't reveal the desired outcome to your partner until the exercise is complete. 1-inch square a. b. 2-inch by 1-inch rectangle string of three beads short word (for example, cat) four-digit number c. d. e.
Answers
Here is the structured pseudocode to carry out the desired actions below.
What is the pseudocode for the above prompt? Move pen 1 inch along a straight line.Turn 90 degrees to the right.Draw a circle that is 1 inch in diameter.Move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line.Move pen 2 inches along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 2 inches along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line.Move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line.Write the word "cat" by moving the pen to write the letter 'c', then move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line to write the letter 'a', turn 90 degrees to the right, move pen 1 inch along a straight line to write the letter 't'.Move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line, turn 90 degrees to the right, move pen 1 inch along a straight line, write the four-digit number.Learn more about pseudocode at:
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Create a data disaster recovery plan for a small copy shop
Answers
A data disaster recovery plan is a plan B for an event that takes out all your main data drive and or the information inside.
A sample disaster recovery planTo ensure efficient data recovery for a small copy shop, it is imperative to first identify the critical data that is vital to its operations. This would typically include customer information, transaction records, financial data, and vital employee details.
Afterward, a comprehensive backup plan should be drafted using external hard drives or cloud storage solutions. To guarantee the effectiveness of these backup systems in dire situations, it is necessary to carry out routine tests periodically.
In order to safeguard their operations against data disasters, small copy shops must establish and document a comprehensive disaster recovery plan, while also making certain that all staff members are proficient in its implementation.
Obeying these guidelines helps such establishments in limiting business disruption caused by potential data catastrophes.
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1. Consider an automated teller machine (ATM) to which users provide a personal identification number (PIN) and a card for account access. Give examples of confidentiality, integrity, and availability requirements associated with the system and, in each case, indicate the degree of importance of the requirement.
Answers
Confidentiality:
One confidentiality requirement of the system is that the transmission of the user's PIN and account information should be encrypted to prevent unauthorized access. This requirement is of utmost importance since the unauthorized disclosure of this information could lead to unauthorized access to the user's financial accounts, which could result in financial loss, fraud, and identity theft.
Integrity:
A requirement for the system's integrity is that the user's account balance, transaction history, and other account information must be accurate at all times. This requirement is of high importance because incorrect or manipulated data could result in the user being misled or experiencing a financial loss.
Availability:
A requirement for the system's availability is that it should always be accessible to users. In case of a system failure or downtime, users should have an alternative method to access their accounts. The importance of this requirement is high because if the system is not available, users cannot withdraw cash, transfer money or access their account, which could cause significant inconvenience and financial loss.
Confidentiality requirement: The ATM system must ensure that user information such as PIN and account number are kept confidential. This requirement is of high importance because if user information is compromised, it can lead to unauthorized access to user accounts and result in financial loss.
Integrity requirement: The ATM system must ensure that user information is not modified or tampered with during transmission or storage. This requirement is of high importance because if user information is modified, it can lead to unauthorized access to user accounts and result in financial loss.
Availability requirement: The ATM system must ensure that the service is available to users when needed. This requirement is of high importance because if the service is unavailable, users may not be able to access their accounts and may face financial loss.
In summary, confidentiality, integrity, and availability requirements associated with the ATM system are all of high importance to ensure that user information is kept secure and user accounts are not compromised.
Are there more challenges than benefits when dealing with instant messaging with the youth of today 
Answers
As with any form of communication technology, instant messaging with the youth of today comes with both challenges and benefits. While instant messaging can provide convenience and accessibility for communication, it also presents potential challenges and risks.
What is messaging?Here are some considerations:
Challenges:
Lack of face-to-face communication: Instant messaging often lacks the richness and nuance of face-to-face communication. Nonverbal cues such as tone of voice, facial expressions, and body language may be lost or misinterpreted, leading to misunderstandings or miscommunications.
Reduced social skills: Reliance on instant messaging as a primary mode of communication may reduce the development of important social skills, such as active listening, empathy, and effective verbal and nonverbal communication.
Potential for misinterpretation: The use of abbreviations, emojis, and informal language in instant messaging may lead to misinterpretation or misunderstandings, which can result in conflicts or miscommunications.
Benefits:
Convenience and accessibility: Instant messaging provides a convenient and accessible way for youth to communicate with friends, family, and peers in real-time, regardless of their physical location.
Informal communication: Instant messaging allows for informal and casual communication, which can help youth express themselves more freely and comfortably.
Therefore, , instant messaging with the youth of today has both challenges and benefits. It is important for youth to develop critical digital literacy skills, including effective communication, online etiquette, and cybersecurity awareness, to maximize the benefits and mitigate the challenges of instant messaging.
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