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2 years ago

How has the perception of the hacker changed over recent years? What is the profile of a hacker today?

Computers and Technology

1 answer:

finlep [7]2 years ago

4 0

Answer:

Hackers frequently spend long hours examining the types and structures of targeted systems because they must use guile, or fraud to bypass the controls placed on information owned by someone else.

Explanation

The perception of a hacker has evolved over the years.

The traditional hacker profile was a male, aged 14 to 18.
76% of hackers are men whose ages are between 14 years (8%) to 50 (11%). The average age is 35 years (43%).
A hacker is persevering, patient, creative, bright and having a passion for what he does.
Hackers today can be expert or novices.
The experts create the software and schemes to attack computer systems.
While the novices merely use software created by the experts.

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In your own words, describe what Internet Protocols are. Why is it important to have agreed upon protocols?

Anni [7]

Answer:

Internet Protocol refers to a set of rules that govern how data packets are transmitted over a network. Internet protocol describes how data packets move through a network. Its important to have agreed upon protocols because Computers make use of protocols as well, to enable them to communicate. Devices need to communicate. When two devices want to successfully communicate, they must agree to follow some rules about the way they will do it.

8 0

2 years ago

Amanda a recently moved into a new home. Everyone has their own tablet, and wants to connect to the same network, no matter wher

vagabundo [1.1K]

Answer:

wifi is the best network for all, As it gets in all corners of the house.

7 0

2 years ago

The program DebugTwo2.cs has syntax and/or logical errors. Determine the problem(s) and fix the program.// This program greets t

Elenna [48]

Answer:

The corrected code is as follows:

using System;

using static System.Console;

class DebugTwo2{

static void Main(string[] args){

string name;string firstString, secondString;

int first, second, product;

Write("Enter your name >> ");

name = ReadLine();

Write("Hello, {0}! Enter an integer >> ", name);

firstString = ReadLine();

first = Convert.ToInt32(firstString);

Write("Enter another integer >> ");

secondString = ReadLine();

second = Convert.ToInt32(secondString);

product = first * second;

Write("Thank you, {0}. The product of {1} and {2} is {3}", name,first, second, product);

}

Explanation:

string name;string firstString, secondString; ----- Replace secondSting with secondString,

int first, second, product;

Write("Enter your name >> "); --- Here, the quotes must be closed with corresponding quotes "

name = ReadLine(); The syntax of readLine is incorrect without the () brackets

Write("Hello, {0}! Enter an integer >> ", name);

firstString = ReadLine();

first = Convert.ToInt32(firstString); There is a dot between Convert and ToInt32

Write("Enter another integer >> ");

secondString = ReadLine(); --- Readline() should be written as ReadLine()

second = Convert.ToInt32(secondString);

product = first * second;

Write("Thank you, {0}. The product of {1} and {2} is {3}", name,first, second, product); --- The formats in {} should start from 0 because 0 has already been initialized for variable name

}

5 0

2 years ago

#Write a function called string_finder. string_finder should #take two parameters: a target string and a search string. #The fun

adoni [48]

Answer:

I am writing a Python program:

def string_finder(target,search): #function that takes two parameters i.e. target string and a search string

position=(target.find(search))# returns lowest index of search if it is found in target string

if position==0: # if value of position is 0 means lowers index

return "Beginning" #the search string in the beginning of target string

elif position== len(target) - len(search): #if position is equal to the difference between lengths of the target and search strings

return "End" # returns end

elif position > 0 and position < len(target) -1: #if value of position is greater than 0 and it is less than length of target -1

return "Middle" #returns middle

else: #if none of above conditions is true return not found

return "not found"

#you can add an elif condition instead of else for not found condition as:

#elif position==-1

#returns "not found"

#tests the data for the following cases

print(string_finder("Georgia Tech", "Georgia"))

print(string_finder("Georgia Tech", "gia"))

print(string_finder("Georgia Tech", "Tech"))

print(string_finder("Georgia Tech", "Idaho"))

Explanation:

The program can also be written in by using string methods.

def string_finder(target,search): #method definition that takes target string and string to be searched

if target.startswith(search): #startswith() method scans the target string and checks if the (substring) search is present at the start of target string

return "Beginning" #if above condition it true return Beginning

elif target.endswith(search): #endswith() method scans the target string and checks if the (substring) search is present at the end of target string

return "End" #if above elif condition it true return End

elif target.find(search) != -1: #find method returns -1 if the search string is not in target string so if find method does not return -1 then it means that the search string is within the target string and two above conditions evaluated to false so search string must be in the middle of target string

return "Middle" #if above elif condition it true return End

else: #if none of the above conditions is true then returns Not Found

return "Not Found"

6 0

2 years ago

5.6 Look carefully at how messages and mailboxes are represented in the email system that you use. Model the object classes that

Annette [7]

Answer:

See explaination for the details of the answer.

Explanation:

A class is a structured diagram that describes the structure of the system.

It consists of class name, attributes, methods and responsibilities.

A mailbox and an email message has some certain attributes such as, compose, reply, draft, inbox, etc.

See attachment for the Model object classes that might be used in the system implementation to represent a mailbox and an email message.

5 0

2 years ago