True-False Questions
1.In essence, the planning and design of modern networks is no different from any systems development project, and so it involves the same steps: planning, analysis, design, development, testing, implementation, and maintenance.
Answer:
2.In the planning stage, we first must determine the scope of the project—what it will
include and, importantly, what it will not.
Answer:
3.Looking at the array of available technologies is a good place to start the network project plan process.
Answer:
4.A good starting point question would be -- What are the business functions that the network needs to support?
Answer:
.
5.Project scope rests on the base of the purpose the network is to serve.
Answer:
6.End user involvement is not essential for the success of a network design project.
Answer:
7.Network design depends heavily on the applications to be run on it.
Answer:

24 bits of a Class A IP address are used for host information. Thus, Option C is correct.

An IP address is divided into two parts, the network portion and the host portion. The Class A address range is from 1.0.0.0 to 126.0.0.0 and is used for very large networks. The first octet of a Class A address is used to identify the network, while the remaining three octets are used for host information.

Since an octet is 8 bits, 3 octets equal 24 bits. Therefore, 24 bits of a Class A IP address are used for host information, leaving only 8 bits for the network portion. This means that there can be a maximum of 2^24 (16,777,216) unique host addresses within a Class A network.

Option C holds true.

The complete question:

How many bits of a class a ip address are used for host information?

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Answer:

The ISP connects to the core routers of the backbone

Answer:types of fiber connectors

Advantages:

Disadvantages

Answer:

prevents you from using old forms. protects your personal information. helps our applications run better on your computer.

Answer:

total=0

pet=input("what pet do you have? ")

while pet!= "rock":

   total=total+1

   print("you have a "+pet+" with a total of "+ str(total)+ " pet(s)")

   pet=input("What pet do you have? ")

Explanation: Just copy and paste above again just copy and paste this will get you a 100 percent i made another account just to give yall edhesive answers if yall need help with any edhesive just comment below

The Internet is split into two sections: network core (routers) and network edge (end systems).The network core's primary function is to forward data packets through routers that are linked to other routers.

Routers are responsible for implementing the protocol standards that allow communication between different networks. The network core's purpose is to provide connectivity and transfer data packets across a large area, such as a country or the world.

The main function of the network edge is to provide end systems, such as personal computers, smartphones, and servers, with access to the Internet. End systems transmit data packets to the network edge, which then routes them to the appropriate destination via the network core.

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Answer:

Follows are the code to this question:

def FindPair(Values,SUM):#defining a method FindPair  

   found=False;#defining a boolean variable found

   for i in Values:#defining loop for check Value  

       for j in Values:#defining loop for check Value

           if (i+j ==SUM):#defining if block that check i+j=sum

               found=True;#assign value True in boolean variable

               x=i;#defining a variable x that holds i value

               y=j;#defining a variable x that holds j value

               break;#use break keyword

       if(found==True):#defining if block that checks found equal to True

           print("(",x,",",y,")");#print value

       else:#defining else block

           print("Sorry there is no such pair of values.");#print message

Values=[3,8,13,2,17,18,10];#defining a list and assign Values

SUM=20;#defining SUM variable

FindPair(Values,SUM);#calling a method FindPair

Output:

please find the attachment:

Explanation:

In the above python code a method, "FindPair" is defined, which accepts a "list and SUM" variable in its parameter, inside the method "found" a boolean variable is defined, that holds a value "false".

Explanation:

1 Ms word - b. Word processing software

2 Pagemaker - c desktop publishing

3 Ms excel - f finance and data analyses

4 dbase - a database management system

6 Mcafee/Norton - d anti-virus software

7 virus - h computer program that can replicate itself

8 inbox, compose,.............. - parts of an email account

Writing a function to compute the average of the even numbers in the array is required for this application.

The percentage function When given an array of integers as a parameter or argument, even prints the average of the even numbers. The code below implements the aforementioned functionality in Python, and the code's output is also included. In computer science, an array is a group of objects (values or variables). At least one array index or key is used to uniquely identify each element. Given its index tuple, a mathematical formula can determine each element's location in an array. The simplest basic type of data structure is a linear array, sometimes known as a one-dimensional array. Since a two-dimensional grid can theoretically be used to represent a matrix, two-dimensional arrays are occasionally referred to as "matrices."

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Answer:

num_str = input("Enter an integer: ")

if num_str.isdigit():

   print("Yes")

else:

   print("No")

Explanation:

In this software, the input() function is used to request the user to provide a string representing an integer. The input string is then called with the isdigit() method to determine whether each character is a digit. The application outputs "Yes" if the isdigit() method returns True. Otherwise, "No" is displayed by the application.

You can test it in Python or any open editor online and enter a variable such as 20 where it will output yes and enter say AZ or -650 and it will output no.

ctrl+s  

is used to save

Hope this helped

-scav

The elongation of the rod under stress is 0.09 m or 9 cm. Five factors that affect the fibers in electrospinning fabrication technique.

1. Solution properties: The solution concentration, viscosity, surface tension, and conductivity are examples of solution properties that influence fiber morphology.

2. Parameters of electrospinning: Voltage, flow rate, distance from the needle to the collector, and needle gauge are examples of parameters that influence the fiber diameter and morphology.

3. Physicochemical properties of the polymer: The intrinsic properties of the polymer chain, such as molecular weight, crystallinity, and orientation, influence the morphology and properties of the fibers.

4. Ambient conditions: Humidity, temperature, and air flow rate can all influence fiber morphology.

5. Post-treatment: Electrospun fibers can be subjected to post-treatments such as annealing, solvent treatment, and crosslinking, which can influence their mechanical, physical, and chemical properties.Answer to question 18:A hydrogel is a soft, jelly-like material that is primarily composed of water and a polymer network. Hydrogels have a range of biological functions due to their properties such as mechanical and biocompatible. Some of the biological functions of hydrogel are mentioned below:

1. Drug delivery: Hydrogels are widely utilized in drug delivery systems, particularly for the sustained release of drugs over time.

2. Tissue engineering: Hydrogels are frequently used as biomaterials in tissue engineering due to their similarities to the extracellular matrix (ECM).

3. Wound healing: Hydrogels are employed in wound healing due to their potential to promote tissue regeneration and repair.

4. Biosensing: Hydrogels are utilized in the production of biosensors that are capable of detecting biological and chemical compounds. Answer to question 19:Given,Magnitude of the force acting on the rod, F = 550 kg × 9.8 m/s² = 5390 NArea of the cross-section of the rod, A = 0.30 cm³ = 0.3 × 10^-6 m³Length of the rod, L = 2.0 mYoung's modulus of steel, Y = 2.0 × 10¹¹ N/m²The tensile stress in the rod is given by the relation;Stress = Force / Areaσ = F / Aσ = 5390 N / 0.3 × 10^-6 m²σ = 1.80 × 10^10 N/m²The elongation of the rod under stress is given by the relation;Strain = Stress / Young's modulusε = σ / Yε = 1.80 × 10¹⁰ N/m² / 2.0 × 10¹¹ N/m²ε = 0.09. The elongation of the rod under stress is 0.09 m or 9 cm.

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Arrays are used to represent data in rows and columns

The expression that represents the number of int the array can store is 4c

From the question, we have:

Also from the question, we understand that the array is of integer type.

So, the number (n) of int the array can store is the product of the rows and the columns

i.e.

\(\mathbf{n = Rows \times Column}\)

So, we have:

\(\mathbf{n = 4\times c}\)

Multiply

\(\mathbf{n = 4c}\)

Hence, the expression that represents the number of int the array can store is 4c

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Answer: Remove malware

Explanation:

The first thing to do in order to fix the problem with the Windows update is to remove malware. Malware refers to malicious software variants such as spyware, viruses, Trojan horse etc.

It should be noted that malware are harmful to a computer user as they can be used to delete, steal, or encrypt sensitive data, or monitor the activities of a user.

With regards to the question, the presence of malware may result in the inability of the Windows update to download.

The most appropriate relationship between intellectual and visual hierarchies in creating maps is that the visual hierarchy should reinforce the intellectual hierarchy.

Intellectual hierarchy refers to the importance and organization of the information being presented on the map, such as the relative significance of different features or layers. Visual hierarchy, on the other hand, pertains to the visual cues and design elements used to communicate this information effectively, such as colors, sizes, and symbols. The visual hierarchy should support and enhance the intellectual hierarchy by using visual techniques that prioritize and highlight the most important information, ensuring that users can easily comprehend and interpret the map. This alignment between the two hierarchies helps to create clear and visually appealing maps that effectively communicate the intended message to the map readers.

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Use the following code within the outputPerson member function, to output the private data of the Person class.

void Person::outputPerson(ostream& out) {

out << age << " " << weight << " " << id;

}

To correctly output the private data of the `Person` class using the provided member function header, you should define the `outputPerson` member function as follows:

void Person::outputPerson(ostream& out) {

out << age << " " << weight << " " << id;

}

In this code, the `out` parameter of type `ostream&` represents the output stream that will be used to display the private data.

The `<<` operator is used to stream the private data members `age`, `weight`, and `id` to the `out` object, separated by spaces.

The `outputPerson` member function should be defined within the scope of the `Person` class.

To actually output the private data, you can use the following code:

Person person;

person.outputPerson(outStream);

This will call the `outputPerson` member function of the `Person` object `person` and pass the `outStream` object as the output stream to display the private data.

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Return-oriented programming is a security exploit that manipulates existing code in a program's memory, constructing a sequence of instructions using existing code, called "gadgets," to execute the attacker's desired behavior.

Return-oriented programming (ROP) is a type of computer security exploit that involves manipulating existing code in a program's memory to execute malicious code.

ROP leverages the concept of "gadgets," small sections of code that can be found within a program's memory and can be combined to create new instructions that the attacker desires.

These gadgets are strung together in a way that bypasses existing security measures and ultimately executes the attacker's code.

ROP is referred to as programming because it involves constructing a series of instructions that are executed by the computer.

However, rather than writing code from scratch, the attacker uses existing code and constructs a sequence of gadgets that execute their desired behavior.

Programs are written in a specific language, such as C or Python, and can be compiled into machine code that can be executed by a computer.

However, in ROP attacks, the attacker does not need to write new code but rather uses existing code to create a malicious sequence of instructions.

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Answer:

Phishing

Explanation:

the other answers are just random stuff.

Answer:

It is Phishin

Explanation:

the act of seding out bait aka the fake emails and trying to get people to bite or aka get scammed.

A default document is not configured for the requested url, and directory browsing is not enabled on the server is option a. True.

The most popular moniker for the default page that appears on a website when no other page is requested by a visitor is "html page." In other words, the name of the website's home page is index.html.

Therefore, one can say that a default document may be the homepage of a website or an index page that lists the contents of the site or folder in hypertext. For the Web site or folder, you can set the default document settings. A Web site or subdirectory can have more than one default document specified.

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The new feature in Windows Server 2016 that allows up to eight identical physical adapters on the host system to be configured as a team and mapped to a virtual switch is called NIC Teaming.

NIC stands for Network Interface Card. NIC Teaming allows you to bundle several physical network interfaces together to form a single logical interface that provides fault tolerance and high-speed links.

By configuring multiple physical adapters as a team, you can increase the network bandwidth and provide redundancy in case a network adapter fails.

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Answer:

string newstring="hello"

This is a programming question that requires you to group a list of people by their last names and print the families sorted by the number of members starting with the largest.

Within a family, you should print the first names sorted by their age starting with the oldest. To solve this problem, you can use a dictionary to group the people by their last names. You can iterate through the list of people, extract their last names, and add them to the dictionary as keys. The values of the dictionary will be a list of tuples containing the first name and date of birth. Next, you can sort the values of the dictionary by the number of members in each family. You can then iterate through the sorted dictionary, print the last name, and sort the list of tuples by the date of birth. Finally, you can print the first names in the sorted order.

Here's the code to solve the problem:
```
n = int(input())
people = {}
for i in range(n):
   first_name, last_name, dob = input().split()
   dob = tuple(map(int, dob.split("-")))
   people.setdefault(last_name, []).append((first_name, dob))

for last_name, family in sorted(people.items(), key=lambda x: len(x[1]), reverse=True):
   print(last_name + ":", end=" ")
   for first_name, dob in sorted(family, key=lambda x: x[1]):
       print(first_name, end=" ")
   print()
```

In this code, we first iterate through the list of people and add them to the dictionary using `setdefault()`. We convert the date of birth to a tuple of integers for easy comparison. Next, we sort the dictionary items by the length of the list of tuples using a lambda function. We iterate through the sorted dictionary items and print the last name followed by the sorted list of first names. This code should correctly group the people by their last names, sort the families by the number of members, and sort the first names within each family by their age.

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To select all columns from every row in the Stock table, a person can be able to use the SQL SELECT statement below:

sql

SELECT * FROM Stock;

To retrieve certain columns or expressions from a table, you would specify them using the keyword SELECT. Using an asterisk (*) as a shorthand notation includes every column within the table.

The table where the data is to be obtained can be specified with the use of the keyword FROM. The name given to the table is "Stock" in this instance. Executing the SQL query SELECT * FROM Stock; prompts the database to retrieve all columns from each row in the Stock table.

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See text below
For the following questions, assume that an SQL database has a table named Stock, with the following columns:

Column Name               Type

Trading Symbol              TEXT

CompanyName             TEXT

NumShares                   INTEGER

PurchasePrice                     REAL

Selling Price                      REAL

1. Write an SQL SELECT statement that will return all of the columns from every row in the Stock table.

Answer:

pop() function.

Explanation:

The pop() function is used in the format list.pop(integer), where the integer represents the index of the element of a list that is to be removed. If nothing is placed within the parentheses of pop(), the function will remove the last item of the list as default.

*This is for Python.

Hope this helps :)

Answer:

the poop() function

Explanation:

Explanation:

Types of network devices

Hub.

Switch.

Router.

Bridge.

Gateway.

Modem.

Repeater.

Access Point.

HOPE THIS HELPS YOU THANK YOU.

Answer:

parallel communication is a method where several binary digits are sent as a whole, on a link with several parallel channels.

serial communication conveys only a single bit at a time over a communication channel or computer bus.

In select circumstances, Options A, C, and D are permissible characters on the Mac operating system. Note that The colon ":" is the only character not permitted for Mac files.  

An operating system is a piece of system software that controls computer hardware and software resources while also providing common functions to computer programs.

An operating system (OS) is the software that handles all of the other application programs in a computer after being loaded into the machine by a boot program. The application programs interact with the operating system by requesting services via a predefined application program interface (API).

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Full Question:

In select circumstances, _____ is a permissible character on the Mac operating system.

A. *

B. :

C. <

D. /

Answer:

24

Explanation:

factorial operation 4! = 4×3×2×1 = 24