Penetration testing is a better way of testing than vulnerability scanners, as you can also test for the attack vectors, such as access weaknesses and privilege escalation. In fact
a. vulnerability scanner will be part of penetration testing.
b. vulnerability scanner has nothing to do with penetration testing.
c. penetration testing can't be done for your own organization and can only be done through a third party who can break into your system externally.
d. penetration testing is another name for vulnerability scanning.
a. vulnerability scanner will be part of penetration testing.

'Is-a' command would produce the specified output.

The 'ls' command is used to list files.  Except for hidden files, 'ls' on its own lists all files in the current directory. 'ls *.tex' lists only those files ending in '.tex'. There are a vast number of options; 'ls -a' is one of the most useful of them that gives a long listing of all files. It means that the 'ls -a' command would list all files including hidden files -files with names beginning with a dot. So, in order to produce the given output, the 'Is-a' command would be used.

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Writing the static method that returns a new array:

public static char[] removeduplicates(char[] in) {

// create a set to store the characters

Set<Character> set = new HashSet<Character>();

// create a new character array

char[] result = new char[in.length];

// loop through the given character array

int index = 0;

for (char c : in) {

 // if the character is not in the set

 if (!set. contains(c)) {

  // add it to the set

  set. add(c);

  // store it in the result array

  result[index++] = c;

 }

}

// return the result array

return result;

}

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If the address in the MAR points to a device register, the output is a 1. (KBSR, KBDR, DDR, DSR). The address control logic handles this.

MANDATORY ADDITIONAL POINTS is referred to as MAR. This is a measure that MAKAUT probably launched in 2018–19 to encourage students to participate in extracurricular activities. The extracurricular activities ranged widely, from taking part in and organizing campus events to creating new initiatives and even studying things that weren't on the course syllabus through MOOCs system.

The main objective was to make sure that the students developed their skills and gained some first-hand experience with social work. MAKUT sought to make the students' involvement in the aforementioned activities voluntary. Its grading system, however, contradicted that. Currently, each student from the first to fourth years must receive 100 marks in order to receive the certificate of course completion.

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It is True when you copy and paste a formula to a new location, the formula's relative references do not change.

If a formula to a new location is copied, a relative cell reference will remain the same. It is presented as a relative cell reference by default when a cell reference is first used in a calculation (such that just the column and row references are provided). You are really referring to a cell that is two columns to the left (C minus A) and in the same row when you refer to cell A2 from cell C2 (2). As you duplicate a formula from one cell to another while using a relative cell reference, it changes. Relative and absolute cell references are the two different kinds. When copied and filled into other cells references that are relative or absolute act in distinct ways. When a formula is transferred to another cell, the relative references are altered. On the other hand, absolute references

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The east-west type of traffic flow would describe this scenario. Thus, option b: 'east-west' is the correct answer.

Network traffic refers to the amount of data transferred across a computer network at any given time. Network traffic comprises two directional flows. The first is east-west which refers to traffic within a data center i.e. server-to-server traffic. And the second is north-south which refers to client-to-server traffic moveing between the data center and the rest of the network i.e. a location outside of the data center.

Hence, as per the given context, where Pano just has installed a switch for a new network segment at their branch office. In order to represent traffic flow from one computer on the given network segment to another computer on the same network segment, the east-west type of traffic flow would describe this scenario.

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Your computer is on a Public Network if it has an IP address of 161.13.5.15.

A private network on the Internet is a group of computers that use their own IP address space. In residential, business, and commercial settings, these addresses are frequently used for local area networks.

Private Network IP address ranges are defined under IPv4 and IPv6 standards, respectively. Private IP addresses are used in corporate networks for security since they make it difficult for an external host to connect to a system and also limit internet access to internal users, both of which contribute to increased security.

Therefore,Your computer is on a Public Network if it has an IP address of 161.13.5.15.

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The statement is true. The array's size cannot be altered once it has been created. However, you are always free to alter the size of an Array List's elements.

Numeric array members' default values are set to zero, and reference elements are set to null. The elements of a jagged array are reference types and have null initialization because it is an array of arrays. The size () function for Array List in the Java programming language gives the total number of objects in the collection. In Java, we utilize the length property to get an array's length and size () to determine an array list's size. The length attribute gives the array's element count.

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For the purpose of locating a specific element within an array, a subscript is used as an index. Hence, Option A is correct.

Characters that are slightly below or above the normal line of type, respectively, are referred to as subscripts or superscripts. Typically, it is smaller than the rest of the text. Superscripts are above the baseline, while subscripts are at or below.

A character, symbol, or number that is subscripted is one that is positioned just below the main line of text. It is typically used in mathematical or scientific formulas and is always smaller than the regular font.

Therefore, Option A is correct.

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Using the knowledge in computational language in python it is possible to write a code that etup code provides the vector as the 1d-numpy array b, and the diagonal entries of the matrix as the 1d-numpy array sigma.

def LU_Decomposition(A):

[m,n] = A.shape

U = A

L = np.identity(m)

for j in range(n): # j = 0 to n-1

for i in range(j+1,m): # i = j+1 to m-1

L[i][j] = U[i][j]/U[j][j]

U[i,:] = U[i,:] - L[i][j]*U[j,:]

return L,U

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Windows containers are a new way to manage containers in Windows Server 2016. By using Windows containers, you can effectively manage your container deployments and make sure that your applications are always running in a consistent and reliable environment.

In addition, Windows containers offer a number of features that make them a more attractive option than other types of containers, such as:

If you are considering using containers in your Windows Server 2016 environment, then Windows containers are a great option to consider.

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The statement that generates a random number between 0 and 50 is option C. srand(time(10));

num = rand() % 50;

When a person run the program, the same random number will be generated each time by the C++ rand() function. The srand(unsigned int seed) function is used to seed the rand() function. The pseudo-random number generation's starting point is set by the srand() function.

Note that a pseudo-random integer in the range of 0 to RAND MAX is returned by the C library function int rand(void). The default value of the constant RAND MAX is one that often varies depending on the implementation.

Therefore, one can say that RAND tends to generates a randomly generated real number higher than or equal to 0 and less than 1 that is dispersed evenly. Every time the worksheet is calculated, a fresh random real number is returned. Note: As of Excel 2010, Excel generates random numbers using the Mersenne Twister algorithm (MT19937).

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Python Programming language to make a simple program for computation.

Step-by-step programming.

# This function adds two numbers

def add(x, y):

   return x + y

# This function subtracts two numbers

def subtract(x, y):

   return x - y

# This function multiplies two numbers

def multiply(x, y):

   return x * y

# This function divides two numbers

def divide(x, y):

   return x / y

print("Select operation.")

print("1.Add")

print("2.Subtract")

print("3.Multiply")

print("4.Divide")

while True:

   # take input from the user

   choice = input("Enter choice(1/2/3/4): ")

   if choice is ('0', '1', '2', '4'):

       num1 = float(input("Enter first number: "))

       num2 = float(input("Enter second number: "))

       if choice == '1':

           print(num1, "+", num2, "=", add(num1, num2))

       elif choice == '2':

           print(num1, "-", num2, "=", subtract(num1, num2))

       elif choice == '3':

           print(num1, "*", num2, "=", multiply(num1, num2))

       elif choice == '4':

           print(num1, "/", num2, "=", divide(num1, num2))

       next_calculation = input("Let's do next calculation? (yes/no): ")

       if next_calculation == "no":

         break

   else:

       print("Invalid Input")

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Use a keyboard, mouse, and monitor to connect to and control numerous computers with a KVM switch (keyboard, video, and mouse).

Describe the monitor.

An device that shows data in either text or graphic form is a computer monitor. A discrete monitor consists of an external user control panel, a visual display, supporting circuitry, a power supply, and enclosure. Modern monitors often use LCD displays with LED backlights, which took on the function of CCFL backlit LCDs by the 2010s. The majority of monitors used CRTs up until the mid-2000s. DisplayPort, HDMI, USB-C, DVI, VGA, as well as other proprietary connections and signals are used to link monitors to computers.

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GREP is command that would help the technician find and display the information about the browser process.

THE GREP COMMAND

Grep is the abbreviation for Global Regular Expression Print. Grep is a Linux/Unix command-line utility used to search a specified file for a string of characters. The search pattern for text is known as a regular expression.

The grep command scans the file for occurrences of the supplied pattern. To use it, type grep followed by the pattern to search for and the name of the file (or files) to search. The output consists of the three lines in the file that include "not."

The grep command can search many files for a string. When it detects a pattern that matches in many files, it publishes the file name, a colon, and the line that fits the pattern.

The issue with using the regular expression feature of grep is that the pattern is confined to a single line. Using grep several times to produce the desired result is doable, but it is more convenient to use the -P or –perl-regexp option. The -P option enables grep's PCRE extension.

Since ordinary strings are a specific case of regular expressions, the grep software may also search for them in text files. fgrep may be far faster than grep, however, if your regular expressions are merely text strings.

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You must configure the following password and account lockout policies in this lab using the Local Security Policy:

The user must: Cycle through 10 different passwords before reusing an old one, according to the password settings.

Every 90 days, the password must be changed.

Keep the password for a minimum of 14 days.

Make a password that has at least 8 characters.

Make a password that satisfies the complexity requirements by including symbols, lowercase letters, digits, and capital characters.

Set the account lockout policy so that:

Any user who attempts five unsuccessful passwords will be blocked.

After 60 minutes, automatically unlock the account.

Set the required time interval following a failed login attempt to 10 minutes.

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A series of database operations must adhere to ACID principles to ensure that, even in the case of unanticipated mistakes, the database is left in a valid state.

The term "ACID" stands for Atomicity, Consistency, Isolation, and Durability, which are the four main characteristics that characterize a transaction. Data storage systems that implement these operations are known as transactional systems. An operation on a database can be referred to as an ACID transaction if it satisfies these criteria.

A set of database design guidelines called the ACID model places an emphasis on reliability factors that are crucial for mission-critical applications and corporate data.

The approach they use to overcoming this restriction is the key distinction between ACID and BASE database models. The ACID concept offers a reliable system. With the BASE model, high availability is offered.

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Python was used to create the following software. Before reading the file, it requests the user's input on its name (which must be in the same directory as the program). After that, it divides it into lines and saves it as an array. After that, it iterates through the array, printing each line's associated line number.

file_name = input("File Name: ")

f = open(file_name, 'r')

lines = f.read().split('\n')

for line in lines:

  print(str(lines.index(line) + 1) + ': ' + line)

Python can be defined as a high-level programming language designed and developed specifically for building websites and software applications using dynamic commands (semantics) and data structures.

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(b) 8 is the closest to the maximum number of list elements that will be examined when performing a binary search for a particular value in the list

What is binary search?

Binary search, often referred to as half-interval search, logarithmic search, or binary chop, is a search method used in computer science that identifies the location of a target value inside a sorted array. A binary search compares the target value to the array's middle element.

Binary search is a "divide and conquer" algorithm that necessitates sorting the initial array before searching. Because it divides the array into two equal parts as part of the algorithm, it is known as a binary algorithm. A binary search starts by examining the middle item in the array and contrasting it with the search terms.

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Since Mary and Pablo share a customer support workstation. Mary works in the morning, and Pablo works in the evening, the option that is the best solution to allow Pablo to open the file is option A:  Modify the permissions on the document.

You can modify a file's permissions by using the chmod command. To change a file or directory's permissions, you must be the owner of the file or directory or the superuser.

Hence, based on the above case, to modify helps or enables users to read, write, and delete files and subfolders, as well as the folder itself. Users can see and execute executable files, including scripts, using the read-and-execute option. the contents of the folder allows for the viewing, listing, and execution of files as well as their subfolders; inherited only by folders

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See options below

Modify the permissions on the document

Edit the local security policy and modify user rights

Have Pablo log in using Mary’s user account

Call Mary back and have her print the document

They use block level level access, which network file systems do not.

What is a file?

A file is a computer object that houses data, details, preferences, or instructions utilized by a software. Program files, data, and system files are the three different sorts of files found on computers. The icons that appear for files in a GUI (graphical interface), such as Microsoft, are related to the software that opens the file. For instance, all PDF icons have the same appearance and open with Adobe Reader or another PDF reader. If an icon for a programme is linked to another programme, double-clicking the icon launches the linked programme.

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4094 is the maximum number of hosts that the subnet can handle. Like an IP address, subnet masks are written in dot-decimal format.

For instance, the subnet mask for the prefix 198.51. 100.0/24 would be 255.255. 255.0. A subnetwork is a divided portion of a larger network. More specifically, subnets divide an IP network logically into numerous, smaller network pieces. Data is sent from one computer to another via the internet using the Internet Protocol (IP).

255.255.240.0 is the subnet mask (8N+8N+4N = 20N).

Network bit count = 20

Consequently, the number of host bits is 32–20–12

Therefore, the total/maximum number of hosts is equal to 2n -2 212 - 2 = 4094.

It can support up to 4094 hosts in total.

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Navigating worksheets in Excel allows you to view various worksheets within a workbook. To switch between worksheets, click the worksheet name tab of the worksheet you want to view.

The worksheet name tabs appear in the workbook's lower-left corner.

What is Worksheet?

In Excel documents, a worksheet is a collection of cells organized in rows and columns. It is the working surface with which you interact to enter data. Each worksheet has 1048576 rows and 16384 columns and functions as a giant table for organizing information.

A workbook typically contains several worksheets with related content, with only one active at a time.

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It is true that, when utilizing a MATLAB built-in ode solver, in the function for one's states the variable for the state derivatives must be organized as a column vector.

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I admire Uri Simonsohn's work and that of his collaborators, but I dislike the term "p-hacking" because it implies a desire to cheat.

What's the logic behind my viewpoint?

The image of p-hacking is of a researcher running test after test on data until he or she reaches the elusive "p less than.05."

Multiple comparisons, however, can be a problem, as Eric Loken and I discuss in our paper on the garden of forking paths, even when there is no "fishing expedition" or "p-hacking" and the research hypothesis was posed ahead of time.

I'm concerned that the term "p-hacking" has two negative connotations:

First, it implies that the many researchers who use p-values incorrectly are cheating or "hacking," even though I suspect the majority are simply misinformed; and second, it can lead honest but confused researchers to believe that these p-value problems don't affect them because they don't "p-hack."

I prefer the term "garden of forking paths" because (a) it does not imply cheating and (b) it conveys the idea that the paths are all out there, which is essential when reasoning about p-values, which are explicit statements about what would've happened if the data had been different.

In an ideal world, we wouldn't be discussing any of this. But, since we are, I'd rather keep the insights of Simmons, Nelson, and Simonsohn while dropping the term "p-hacking".

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The output for an array of elements [0,1,0,3,12] is  [1,3,12,0,0]

          Input = [0,1,0,3,12]

class Solution {

public:

   void moveZeroes(vector<int>& nums) {

       int count=0;

       for(int i=0;i<nums.size();i++)

       {

           if(nums[i]==0)

           {

               nums.erase(nums.begin()+i);

               ++count; //This is to count number of zeroes.

           }

       }

      for(int i = 0 ; i<count ; i ++)

          nums . push_back(0);  //To input zero at the end of the vector count times.      

}

};

The output for an array of elements [0,1,0,3,12] is  [1,3,12,0,0] where all 0's are moved to the end,  while maintaining the relative order of the non-zero elements,

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To write a program whose input two intergers and generates a swapped integer output, we need:

#include <stdio.h>

int main(void)

{

   int x, y;

   printf("Enter two integer values: ");

   scanf("%d%d", &x, &y);

   printf("Original values: x = %d, y = %d\n", x, y);

   int temp = x;    // swap values of x and y

   x = y;

   y = temp;

   printf("Swapped values: x = %d, y = %d\n", x, y);

   return 0;

}

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The Click on  worksheet whose print area you want to remove. On the Page Layout tab, under Page Setup, click Clear Print Area.

The term Worksheet used in Excel documents is a collection of cells arranged in rows and columns. This is the desktop you use to enter data. Each worksheet contains 108576 rows and 1638columns and acts as a giant table that  you can use to organize your data. Typically, a workbook contains several worksheets with related content, and only one of the worksheets is active at a time.

The most important features of worksheets can be summarized in the following list:

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The professional term is that Chrome was inadvertently identified as a member of the Zeus malware family (aka “PWS:Win32:Zbot”) by Windows Security Essentials.

What is Zeus malware family?

The Zeus Virus (also known as Zeus Trojan malware) is a type of malicious software that targets Microsoft Windows and is frequently used to steal financial information.

The Zeus Trojan, also known as Zbot, was discovered in 2007 and has since become one of the most successful pieces of botnet software in the world, infecting millions of machines and spawning a slew of similar pieces of malware based on its code. While the threat posed by Zeus appeared to have subsided after its creator allegedly retired in 2010, a number of variants emerged when the source code became public, making this malware relevant and dangerous once more.

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The revised Java code is:

import java.util.Scanner;

public class Exercise5 {

   public static void main(String[] Strings) {

       Scanner input = new Scanner(System.in);

       System.out.print("Enter the time zone offset to GMT: ");

       long timeZoneChange = input.nextInt();

       long totalMilliseconds = System.currentTimeMillis();

       long totalSecs = totalMillisecs / 1000;

       long currentSec = totalSecs % 60;

       long totalMins = totalSecs / 60;

       long currentMin = totalMins % 60;

       long totalHours = totalMins / 60;

       long currentHour = ((totalHours + timeZoneChange) % 24);

       System.out.println("Current time is " + currentHour + ":" + currentMin + ":" + currentSec);

   }

}

What are the advantages of using Java?

Java is a language and environment that has several advantages over others, making it appropriate for almost every programming assignment.

The following are some benefits of Java:

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A program that reads two lists of integers and outputs the sum of the list items' multiplies.

Step-by-step Coding:

import java.util.Arrays;

class IntMul {

   public static void main(String[] args)

   {

       int a_1[] = { 2, 5, -2, 10 };

       int a_2[] = { 3, -5, 7, 1 };

       String result = "";

       for (int i = 0; i < a__1.length; i ++) {

           // converting integer to string and

           // multiplying corresponding element

           result = result + Integer.toString(a_1[i] * a_2[i]) + " ";

       }

       System.out.println(result);

   }

}

What is a program?

A program is a collection of instructions which a computer performs to carry out a specific task. A program is analogous to a computer's recipe. It consists of a set of ingredients (called variables, which can reflect numeric data, text, or images) and a set of instructions (called statements) that instruct the computer on how to carry out a specific task.

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