A small company with 100 computers has hired you to install a local area network. All fo the users perform functions like email, browsing and Office software. In addition, 25 of them also do a large number of client/server requests into a database system. Which local area network operating system would you recommend?

Answer:

When implementing a 1:1 relationship, the foreign key should be placed on the optional side if one side is mandatory and one side is optional.  

When this is implemented, the foreign key should be made mandatory.

Explanation:

A foreign key (FK) is a primary key (PK) in relational databases.  It is used to establish a relationship with a table that has the same attribute with another table in the database.  A mandatory relationship exists when the foreign key depends on the parent (primary key) and cannot exist without the parent.  A one-to-one relationship exists when one row in a data table may be linked with only one row in another data table.

Answer:

D. MAN

Explanation:

A local area network (LAN) refers to a group of personal computers (PCs) or terminals that are located within the same general area and connected by a common network cable (communication circuit), so that they can exchange information from one node of the network to another. A local area network (LAN) is typically used in small or limited areas such as a set of rooms, a single building, school, hospital, or a set of well-connected buildings. Some of the network devices or equipments used in a local area network (LAN) includes an access point, personal computers, a switch, a router, printer, etc.

On the other hand, a metropolitan area network (MAN) is formed by an aggregation of multiple local area network (LAN) that are interconnected using backbone provided by an internet service provider (ISP). A metropolitan area network (MAN) spans for about 5 kilometers to 50 kilometers in size.

Basically, a metropolitan area network (MAN) spans across a geographic area such as a city and it's larger than a local area network (LAN) but significantly smaller than a wide area network (WAN).

In conclusion, the network type that the patrol services of a city's police department would most likely use is a metropolitan area network (MAN).

Answer:

The correct answer is D. Man.

Explanation:

I got it right on the Edmentum test.

Answer:

ensure integrity. primary key is unique key..foreign key is to connect 2 table.normalization to ensure you keep track on what you should do to create db..

Answer:

a. Determine your needs

b. make the Assessments of  the resources available to you,

c. do a ranking of the resources in order of their usefulness to you,

d. create or allow the time to make use of the resources.

Explanation:

technology strategy is a concept that gives the important elements of a department and how these elements can interact with each other in order to get the continuous value.

The correct order is to first determine what your needs are, then you carry out an assessment of all the resources that you have at your disposal, then you rank these resources from the most useful to the least and the last is for you to create the time that you would have to use these resources.

Answer:

The answer is "Developing the custom control for the user interface"

Explanation:

The major difference between customized control & user control would be that it inherit throughout the inheritance tree at different levels. Usually, a custom power comes from the system. Windows. UserControl is a system inheritance.

Using accuracy up is the major reason for designing a custom UI control. Developers must know how to use the API alone without reading the code for your component. All public methods and features of a custom control will be included in your API.

Answer:

Pyramidal Space Frame Glamorizes Swimming Pool 15. News Briefs 16 ... to use every pound of steel with no sacrifice in safety or ... form of steel trusses in an inverted coni- ... be embedded in the concrete slab when.

Explanation:

I HOPE THIS HELPS

Answer:

The important problem is explained in the next section of clarification.

Explanation:

The longer it is required for a computing device interrupt to have been performed when it is created, is determined as Interrupt latency.

The accompanying duties include interrupt transmission delay or latency are provided below:

Explanation:

Concurrency Control in Database Management System is a procedure of managing simultaneous operations without conflicting with each other. It ensures that Database transactions are performed concurrently and accurately to produce correct results without violating data integrity of the respective Database.And The ACID properties, in totality, provide a mechanism to ensure correctness and consistency of a database in a way such that each transaction is a group of operations that acts a single unit, produces consistent results, acts in isolation from other operations and updates that it makes are durably stored.

(c) 4

The function strpos() is a function in php that returns the position of the first occurrence of a particular substring in a string. Positions are counted from 0. The function receives two arguments. The first argument is the string from which the occurrence is to be checked. The second argument is the substring to be checked.

In this case, the string is "Get Well Soon!" while the substring is "Well"

Starting from 0, the substring "Well" can be found to begin at position 4 of the string "Get Well Soon!".

Therefore, the function strpos("Get Well Soon!", "Well") will return 4.

Then, with the echo statement, which is used for printing, value 4 will be printed as output of the code.

Answer:

C. Spoofing.

Explanation:

Cyber security can be defined as preventive practice of protecting computers, software programs, electronic devices, networks, servers and data from potential theft, attack, damage, or unauthorized access by using a body of technology, frameworks, processes and network engineers.

Some examples of cyber attacks are phishing, zero-day exploits, denial of service, man in the middle, cryptojacking, malware, SQL injection, spoofing etc.

Spoofing can be defined as a type of cyber attack which typically involves the deceptive creation of packets from an unknown or false source (IP address), as though it is from a known and trusted source. Thus, spoofing is mainly used for the impersonation of computer systems on a network.

Basically, the computer of an attacker or a hacker assumes false internet address during a spoofing attack so as to gain an unauthorized access to a network.

Answer:

The answer is "MPLS".

Explanation:

The MPLS stands for Multiprotocol Label Switching. This packet switching method facilitates the generation of easier personal backbones using a less physical channel, which sends information from one source to its destination with labels rather than IP addresses. Many of these WAN services are sold through huge companies. It is also a technology for data transfer that boosts speed and regulates network traffic flow. The information is directed with this technology via a label rather than needing complicated surveys at every stop in a route cache.

Answer:

Follows are the complete question to the given question:

Explanation:

The UML scheme is a UML-based diagram intended to depict the system visually, together with its key actors, roles, activities, objects, and classes, to gather information the about system, change that, or maintain it.

Every complex process is better understood via sketches or pictures. These diagrams have a higher understanding effect. By glancing about, we notice that diagrams are not a new idea but are widely used in various business types. To enhance understanding of the system, we prepare UML diagrams. There is not enough of a single diagram to represent all aspects of the system. You can also create customized diagrams to satisfy your needs. Iterative and incremental diagrams are usually done.

There are two broad diagram categories and that they are broken into subclasses again:

Please find the graph file of the question in the attachment.

Answer:

Explanation:

The following is written in Java. It uses File input, to get the file and read every line in the file. It adds all the lines into a variable called fullString. Then it uses regex to split the string into separate words. Finally, it maps the words into an array that counts all the words and how many times they appear. A test case has been created and the output can be seen in the attached image below. Due to technical difficulties I have added the code as a txt file below.

Answer:

Unification may be a process by which two logical individual atomic expressions, identical by replacing with a correct substitution. within the unification process, two literals are taken as input and made identical using the substitution process. There are some rules of substitution that has got to be kept in mind:

The predicate symbol must be an equivalent for substitution to require place.

The number of arguments that are present in both expressions must be equivalent.

Two similar variables can't be present within the same expression

Explanation:

a. American (Bob), American (y):-

In this scenario, Unification is feasible consistent with the principle. The substitution list is going to be [y/Bob].

b. Enemy (Nono, America), Enemy(x,y):-

In this scenario, the Unification is feasible consistent with the principles. The substitution list is going to be [x/Nono, y/America].

c. Weapon (Missile), soldTo (Missile, y), Weapon (x), soldTo (x, Nono):-

In this scenario, the Unification isn't possible because the predicate is different i.e. Weapon and soldTo.

d. L(x, y), (L(y, x) ^ L(A, B)):-

In this scenario, Unification isn't possible because the number of arguments is different within the given expression

Answer:

Memory-mapped I/O and port-mapped I/O are two complementary methods of performing input/output between the central processing unit and peripheral devices in a computer. An alternative approach is using dedicated I/O processors, commonly known as channels on mainframe computers, which execute their own instructions.

Answer:

Hence the answer is given as follows,

Explanation:

Base Case:-  

If (num == 0) //This is the base case for the given recursive method  

return 1;  

If(num % 2!=0) checks whether num is odd.  

The above condition is true for all odd numbers and false for even numbers.  

if the remainder is not equal to zero when we divide the number with 2 then it is odd.  

The method:-  

The above recursive method calculates the product of odd numbers up to the given range(that is num)  

For num=5   => 15(5*3*1).  

For num=7   => 105(7*5*3*1).  

For num=10 => 945(9*7*5*3*1).

Answer:

Here the code is given as follows,

Explanation:

def isPalindrome(x):

   stack = []

   #for strings with even length

   if len(x)%2==0:

       for i in range(0,len(x)):

           if i<int(len(x)/2):

               stack.append(x[i])

           elif stack.pop()!=x[i]:

               return False

       if len(stack)>0:

           return false

       return True

   #for strings with odd length    

   else:

       for i in range(0,len(x)):

           if i==int(len(x)/2):

               continue

           elif i<int(len(x)/2):

               stack.append(x[i])

           elif stack.pop()!=x[i]:

               return False

       if len(stack)>0:

           return false

       return True  

def main():  

   while True:  

       string = input("Enter a string or Return to quit: ")  

       if string == "":  

           break  

       elif isPalindrome(string):  

           print("It's a palindrome")  

       else:  

           print("It's not a palindrome")  

if __name__ == '__main__':  

   main()

Answer:

#include <stdio.h>

int main()

{

   int avg = 0;

   int sum =0;

   int x=0;

   /* Array- declaration – length 4*/

   int num[4];

   /* We are using a for loop to traverse through the array

    * while storing the entered values in the array

    */

   for (x=0; x<4;x++)

   {

       printf("Enter number %d \n", (x+1));

       scanf("%d", &num[x]);

   }

   for (x=0; x<4;x++)

   {

       sum = sum+num[x];

   }

   avg = sum/4;

   printf("Average of entered number is: %d", avg);

   return 0;

}

Answer:

Filmmaking involves a number of complex and discrete stages including an initial story, idea, or commission, through screenwriting, casting, shooting, sound recording and pre-production, editing, and screening the finished product before an audience that may result in a film release and an exhibition.

Answer:

First remove ur mask then am to give you the evolutions

Answer:

The answer is "False"

Explanation:

It is put to use Six Sigma had 3.4 defects per million opportunities (DPMO) from the start, allowing for a 1.5-sigma process shift. However, the definition of zero faults is a little hazy. Perhaps the area beyond 3.4 DPMO is referred to by the term "zero faults.", that's why Before being released, large computer programs, such as operating systems, must have no faults the wrong choice.

Answer:

b. The constructor for the parent class is called.

Explanation:

In this case this specific piece of code is calling the constructor for the parent class. Since a MountainBike object is being created. This creation uses the MountainBike class constructor but since this is a subclass of the Bicycle class, the super() method is calling the parent class constructor and passing the variables startCadence, startSpeed, startGear to that constructor. The Bicycle constructor is the one being called by super() and it will handle what to do with the variables inputs being passed.

Answer:

1) 10cos ( 2πfct + 10sin 2πfmt )

2) 50 watts

3) 1000 Hz

Explanation:

m(t) = 10cos(1000πt)

c(t) = 10cos(2πfct )

modulation index (  = 10

1) expression for modulated signal ( u(t) )

u(t) = Ac(cos 2πfct ) + A (cos 2πfct m(t) ) Am cos2πf mt

      = 10cos 2πfct + 100 cos 2πfct  cos2π500t

      = 10cos ( 2πfct + 10sin 2πfmt )

2) power of modulated signal

power of modulated signal  μ^2 / 2 ]

           = 10^2/2 ]

           = 50 watts

3) Bandwidth

B = 2fm  = 2 * 500 = 1000 Hz

Answer:

Explanation:

using namespace std;

#include <iostream>

int Go()

{

int N;

int A[20];

cout << " How many integers do you have ??? :>";

cin >> N;

if (N>20) { N=20; }

for (int iLoop=0; iLoop<N; iLoop++)

{

 cout << "Input integer # " << (iLoop+1) << " :>";  

  cin >> A[iLoop];  

}

for (int iLoop=N-1; iLoop>=0; iLoop--)

{

 cout << A[iLoop] << " ";

}

cout << endl;

}

int main()

{

Go();

}

A Java program that reads a list of integers and outputs them in reverse is written as,

import java.util.Scanner;

public class ReverseList {

   public static void main(String[] args) {

       Scanner scnr = new Scanner(System.in);

       // Read the number of integers

       int numIntegers = scnr.nextInt();

       // Create an array to store the integers

       int[] integers = new int[numIntegers];

       // Read the integers into the array

       for (int i = 0; i < numIntegers; i++) {

           integers[i] = scnr.nextInt();

       }

       // Output the integers in reverse order

       for (int i = numIntegers - 1; i >= 0; i--) {

           System.out.print(integers[i]);

           // Add comma unless it's the last integer

           if (i > 0) {

               System.out.print(",");

           }

       }

       System.out.println(); // Add a new line at the end

   }

}

Given that,

Write a Java program that reads a list of integers and outputs those integers in reverse.

Here, The input begins with an integer indicating the number of integers that follow.

For coding simplicity, follow each output integer by a comma, including the last one.

So, A Java program that reads a list of integers and outputs them in reverse:

import java.util.Scanner;

public class ReverseList {

   public static void main(String[] args) {

       Scanner scnr = new Scanner(System.in);

       // Read the number of integers

       int numIntegers = scnr.nextInt();

       // Create an array to store the integers

       int[] integers = new int[numIntegers];

       // Read the integers into the array

       for (int i = 0; i < numIntegers; i++) {

           integers[i] = scnr.nextInt();

       }

       // Output the integers in reverse order

       for (int i = numIntegers - 1; i >= 0; i--) {

           System.out.print(integers[i]);

           // Add comma unless it's the last integer

           if (i > 0) {

               System.out.print(",");

           }

       }

       System.out.println(); // Add a new line at the end

   }

}

Read more about java programming language at:

brainly.com/question/2266606

#SPJ4

Answer:

Explanation:

The following code is written in Java. It creates a loop within a loop that plays the game 10 times. As soon as the inner loop tosses a Heads (represented by 1) the inner loop breaks and the cost of that game is printed to the screen. A test case has been made and the output is shown in the attached image below.

import java.util.Random;

import java.util.Scanner;

class Brainly {

   public static void main(String[] args) {

       int count = 0;

       int loopCount = 0;

       while (loopCount < 10) {

           while (true) {

               Random rand = new Random();

               int coinFlip = rand.nextInt(2);

               count++;

               if (coinFlip == 1) {

                   System.out.println("Cost: $" + 2*count);

                   count = 0;

                   break;

               }

               loopCount++;

           }

       }

   }

}

Answer:

the data type name for integer is int

Hope This Helps!!!

Explanation:

Answer:

Explanation:

Using the main() and Instrument class which can be found online. We can create the following StringInstrument class that extends the Instrument class itself. The only seperate variables that the StringInstrument class posses' would be the number of Strings (numStrings) and the number of frets (numFrets). Due to technical difficulties I have added the code as a seperate text file below.

kxjhdjshdjdjrhrjjd

snsjjwjsjsjjsjejejejd

s

shsjskkskskskekkes

slskekskdkdksksnsjs

djmsjs

s JM jsmsjjdmssjsmjdjd s

jsmsjjdmssjsmjdjd

HS shhsys

s

s

sujdjdjd s

sujdjdjd

syshdhjdd

Answer:

764217360

Explanation:

Answer:

#Implementation of Queue class

class Queue

   #Implementation of _init_

   def _init_(self, limit=10):

       #calculate the self.data

       self.data = [None] * limit

       self.head = -1

       self.tail = -1

   #Implementation of enqueue function

   def enqueue(self, val):

       #check self.head - self.tail is equal to 1

       if self.head - self.tail == 1:

           raise NotImplementedError

       #check len(self.data) - 1 is equal to elf.tail

       if len(self.data) - 1 == self.tail and self.head == 0:

           raise NotImplementedError

       #check self.head is equal to -1

       if self.head == -1 and self.tail == -1:

           self.data[0] = val

           self.head = 0

           self.tail = 0

       else:

           #check len(self.data) - 1 is equal to self.tail

           if len(self.data) - 1 == self.tail and self.head != 0:

               self.tail = -1

           self.data[self.tail + 1] = val

           #increment the self.tail value

           self.tail = self.tail + 1

   #Implementation of dequeue method

   def dequeue(self):

       #check self.head is equal to self.tail

       if self.head == self.tail:

           temp = self.head

           self.head = -1

           self.tail = -1

           return self.data[temp]

       #check self.head is equal to -1

       if self.head == -1 and self.tail == -1:

           #raise NotImplementedError

          raise NotImplementedError

       #check self.head is not equal to len(self.data)

       if self.head != len(self.data):

           result = self.data[self.head]

           self.data[self.head] = None

           self.head = self.head + 1

       else:

          # resetting head value

           self.head = 0

           result = self.data[self.head]

           self.data[self.head] = None

           self.head = self.head + 1

       return result

   #Implementation of resize method

   def resize(self, newsize):

       #check len(self.data) is less than newsize

       assert (len(self.data) < newsize)

       newdata = [None] * newsize

       head = self.head

       current = self.data[head]

       countValue = 0

       #Iterate the loop

       while current != None:

           newdata[countValue] = current

           countValue += 1

           #check countValue is not equal to 0

           if countValue != 0 and head == self.tail:

               break

           #check head is not equal to

           #len(self.data) - 1

           if head != len(self.data) - 1:

               head = head + 1

               current = self.data[head]

           else:

               head = 0

               current = self.data[head]

     self.data = newdata

       self.head = 0

       self.tail = countValue - 1

   #Implementation of empty method

   def empty(self):

       #check self.head is equal to -1

       # and self.tail is equal to -1

       if self.head == -1 and self.tail == -1:

           return True

       return False

   #Implementation of _bool_() method

   def _bool_(self):            

       return not self.empty()

   #Implementation of _str_() method        

   def _str_(self):

       if not (self):

           return ''

       return ', '.join(str(x) for x in self)

   #Implementation of _repr_ method

   def _repr_(self):

       return str(self)

   #Implementation of _iter_ method

   def _iter_(self):

       head = self.head

       current = self.data[head]

       countValue = 0

       #Iterate the loop

       while current != None:

           yield current

           countValue += 1

           #check countValue is not equal to zero

           #check head is equal to self.tail

           if countValue != 0 and head == self.tail:

               break

           #check head is not equal to len(self.data) - 1

           if head != len(self.data) - 1:

               head = head + 1

               current = self.data[head]

           else:

               head = 0

               current = self.data[head

Explanation:-

Output: