Answer:
SSH, HTTPS and SMTP
Explanation:
Data theft can be defined as a cyber attack which typically involves an unauthorized access to a user's data with the sole intention to use for fraudulent purposes or illegal operations. There are several methods used by cyber criminals or hackers to obtain user data and these includes DDOS attack, SQL injection, man in the middle, phishing, etc.
Encryption is a form of cryptography and typically involves the process of converting or encoding informations in plaintext into a code, known as a ciphertext. Once, an information or data has been encrypted it can only be accessed and deciphered by an authorized user.
Some examples of encryption algorithms are 3DES, AES, RC4, RC5, and RSA.
Hence, SSH, HTTPS and SMTP are considered as secure network protocols.
HTTPS is acronym for Hypertext Transfer Protocol Secure while SSL is acronym for Secure Sockets Layer (SSL).
SMTP is an acronym for Simple Mail Transfer Protocol and it uses the standard port number of 25 to provide clients with requested services.
Determine the following information about each value in a list of positive integers.
a. Is the value a multiple of 7, 11, or 13?
b. Is the sum of the digits odd or even?
c. Is the value a prime number?
You should write a function named test7_11_13 with an integer input parameter and three type int output parameters (aka pointers) that send back the answers to these three questions. If the integer is evenly divisible by 7, 11 or 13, its respective output parameter should be set to 1, otherwise zero. Some sample input data might be:
104 3773 13 121 77 30751
Answer and Explanation:
Using Javascript:
test7_11_13(num){
If(num%7===0||num%11===0||num%13===0){
Console.log("yes it is a multiple of 7,11 or 13");
}
else{
Console.log("It is not a multiple of any of the numbers");
}
function(num){
var makeString= num.toString();
var splitString= makeString.split("");
var makeNumber= splitString.map(Number());
var New_number= makeNumber.reduce(function(a, b) {
return a+b};,0)
}
If(New_number%2===0){
Console.log("it's an even number");
}
else{
Console.log("it's an odd number")
}
If(num%2===0||num%3===0||num%5===0||num%7===0||num%11===0){
console.log("it's not a prime number");
}
else{
console.log("it's a prime number");
}
}
From the above we have used javascript if..else statements to test the conditions for each question and output the answer to the console using console.log(). In the last part for prime number, you could also choose to use else if statements(if,else if, else if) to test the value of the num parameter and output if it's a prime number.
is a collection of information stored under a single name
[tex]\boxed{ File }[/tex] is a collection of information stored under a single name.
[tex]\bold{ \green{ \star{ \orange{Mystique35}}}}⋆[/tex]
Answer:
Explanation:A collection of information that is stored on a computer under a single name, for example a text document, a picture, or a program. The association between a file and the program that created the file. Displays the contents of the current folder or library.
For an array of size N what is the range of valid indices (or subscripts)?
Answer:
The valid range is 0 to N - 1
Explanation:
Required
Valid range of an array of size N
The index of an array starts from 0, and it ends at 1 less than the size.
Take for instance:
An array of size 4 will have 0 to 3 as its indices
An array of size 10 will have 0 to 9 as its indices
Similarly,
An array of size N will have 0 to N - 1 as its indices
Viết chương trình kiểm tra số nguyên dương N có phải là số nguyên tố không?
Identify the possible error in each line. • For each line assume that the lines above it are part of the same code and have been fixed by the time you get to the line you are currently examining. . Yes there are some lines with No Errors - NONE is not a red herring. a) int intA = 10; NONE b) int& iptrA = *intA; SYNTAX int *arrA = (int) malloc("iptrA); SEMANTIC for(int i = 0; i < intA; d) i++) NONE e) arrA[ I ]=i; NONE f) for(int i = 1; i < intA; i++) [Select] { cout >>"index ::" g) >> >> "="; Select] 4 cout << *(arrA + i) h) << endl; [Select] } while((floatA % i) intA) != 0) Select] { j) if(arrA[ (int)floatA] % 2 == 0); [Select] cout << "EVEN!" << endl; floatA = floatA + 1; }
How are dates and times stored by Excel?
Answer:
Regardless of how you have formatted a cell to display a date or time, Excel always internally stores dates And times the same way. Excel stores dates and times as a number representing the number of days since 1900-Jan-0, plus a fractional portion of a 24 hour day: ddddd. tttttt
Explanation:
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Create a file named A10.java. Place all your code in this file. Create a publicstatic ArrayList of integers named intList.
Define a public static method addNumber(int i) that adds ito your list.
Exercise 2
Create a publicstatic HashMap of integers,integers namedintMap.
Define a public static method addPair(int i,int j) that adds i,jto your HashMap (make ithe key and j the value).
Explanation:
The file named as A10.java has been attached to this response. It contains the source code for the exercises. The source code contains comments explaining important parts of the code.
A few things to note;
i. To add an item to an arraylist, the add() method is used. For example to add an integer 7 to the arraylist named intList, simply write;
intList.add(7);
ii. To add an item to a hashmap, the put() method is used. The put method receives two parameters which are the key and value respectively. The key is a form of identifier used to store or retrieve a particular value in a hashmap. To store an integer 8 with a key of 5 in a hashmap named intMap, for example, simply write;
intMap.put(5,8);
A company manufactures televisions. The average weight of the televisions is 5 pounds with a standard deviation of 0.1 pound. Assuming that the weights are normally distributed, what is the weight that represents the 75th percentile?
Answer:
5.0674
Explanation:
Given that :
Mean, μ = 5 pounds
Standard deviation, σ = 0.1
Given that weight are normally distributed ;
From the Z table, the Zscore or value for 75th percentile weight is :
P(Z < z) = 0.75
z = 0.674
Using the relation :
Zscore = (x - μ) / σ
x = weight
0.674 = (x - 5) / 0.1
0.674 * 0.1 = x - 5
0.0674 = x - 5
0.0674 + 5 = x - 5 + 5
5.0674 = x
The weight which corresponds to the 75th percentile is 5.0674
1. Briefly explain the various types of models used in software Engineering with benefits and limitations for each
Answer:
The Software Model represents the process abstractly. The different activities involved in developing software products are present in each phase of the software model. The order for each stage to be executed is also specified.
Explanation:
Waterfall model:-
Benefits
Implementing the waterfall model is very easy and convenient.
It is very useful for implementing small systems.
Limitations
If some of the changes are made at certain phases, it may create confusion.
First, the requirement analysis is performed, and sometimes not all requirements can be expressly indicated in the beginning.
Spiral model:-
Benefits
The working model of the system can be quickly designed through the construction of the prototype.
The project can be refined by the developer and the user during the development phase.
Limitations
If customer communication is not good or proper, the result is total project failure or project failure which could lead to project comission.
Suppose users share a 3 Mbps link. Also suppose each user requires 150 kbps when transmitting, but each user transmits only 10 percent of the time. (See the discussion of packet switching versus circuit switching in Section 1.3.)
a. When circuit switching is used, how many users can be supported?
b. For the remainder of this problem, suppose packet switching is used. Find the probability that a given user is transmitting.
c. Suppose there are 120 users. Find the probability that at any given time, exactly n users are transmitting simultaneously. (Hint: Use the binomial distribution.)
d. Find the probability that there are 21 or more users transmitting simultaneously.
Answer:
a) 20 users
b) 0.1 or 1/10
c) P ( X = n ) = [tex]^{120}C_{n} ( 0.10 )^n (0.9)^{120-n}[/tex]
d) 0.008
Explanation:
Given data:
Link shared by users = 3 Mbps
each user requires ; 150 kbps
percentage transmitted by each user = 10%
a) Determine the number of users can be supported
number of users = 3 Mbps / 150 kbps = 3000 / 150 = 20 users
b) P( user is transmitting )
given that percentage transmitted by each user = 10%
since packet switching is used ; P ( user is transmitting ) = 10% = 0.1
c) P ( n users are transmitting simultaneously )
let the number of users ( i.e. N ) = 120
number transmitting = n
P ( user is transmitting ) = 0.10
using Binomial distribution
P ( X = n ) = [tex]^{N}[/tex]Cₙ ( P )ⁿ ( 1 - P )^[tex]^{N-n}[/tex]
= [tex]^{120}C_{n} ( 0.10 )^n (0.9)^{120-n}[/tex]
d) P( X ≥ 21 transmitting simultaneously )
P ( X = n ) = [tex]^{120}C_{n} ( 0.10 )^n (0.9)^{120-n}[/tex]
Therefore ; P( X ≥ 21 ) = 1 - P( X ≤ 20 )
= 1 - BINOMDIST(20,120,0.1,1) ( excel function )
∴ P( X ≥ 21 ) = 1 - 0.992059 ≈ 0.008
For minimization problems, the optimal objective function value to the LP relaxation provides what for the optimal objective function value of the ILP problem?
Answer:
A lower bound on the optimal integer value.
Explanation:
The question is poorly typed. The original question requires the optimal solution of the objective function of a minimization problem
I will answer this question base on the above illustration.
When an objective function is to be minimized, it means that the objective function will take the feasible solution with the least value.
The least value are often referred to as the lower bound.
Explain why it is important for you to build proficiency with Microsoft Word.
Answer:
Listing proficiency in Microsoft helps push your resume through applicant tracking systems and into human hands for review. Advanced knowledge of Microsoft Office programs can also increase your earning potential.
Microsoft's skills on your resume can help it get past applicant tracking systems and into human hands for review. Additionally, having more in-depth knowledge of Microsoft Office applications can boost your earning potential.
What is Microsoft skills?Your proficiency and expertise with the Microsoft Office family of software products are collectively referred to as Microsoft Office skills.
Although MS Office has many various programs, employers may frequently assess your proficiency with some of the most widely used ones, such as MS Excel, MS PowerPoint, and MS Word.
The most popular business productivity software globally is Microsoft Office.
Therefore, Microsoft's skills on your resume can help it get past applicant tracking systems and into human hands for review.
Learn more about Microsoft, here:
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which feature of organisations to manage needs to know about to build and use information system successfully
The correct answer to this open question is the following.
The feature of organizations to manage needs to know about to build and use information system successful is the following.
Managers of successful organizations should know that companies have hierarchies and different structures in which these companies are organized.
Every company use systems and procedures that could be specialized to the degree the company requires. For that system to function, they have to be perfectly interconnected to all the areas of the company. The goal: to maximize efficiency and accomplish the goals.
Systems and procedures should take into consideration the culture and diversity of the workplace. There are interest groups in every organization that have special characteristics and requirements that have to be taken into consideration to create a much better system.
Good managers must be aware of these elements, and the different roles, goals, management styles, tasks, incentives, and departmental structure of the company so the system can better serve the purpose of the entire organization.
Trình bày phép biến đổi tịnh tiến và quay quanh trục tọa độ? Hãy xác định ma trận chuyển đổi của các phép biến đổi sau :
H = trans(3,7,2). Rot(x,30).Rot(z,45)
Answer:B
Explanation: she she
Have you ever been presented to someone else's home page of a given website?
Answer: No, is this the question?
Explanation: Have a stupendous day! <3
Which of the following substances increases in quantity during repititive muscle contraction during oxygen deficti ?
Lactic acid
Answer:
Lactic acid
Explanation:
Lactic acid builds up during strenuous exercise with limited amounts of oxygen.
Define a class Person that represents a person. People have a name, an age, and a phone number. Since people always have a name and an age, your class should have a constructor that has those as parameters.
Answer:
public class Person {
String name;
int age;
String phoneNumber;
public Person(String name, int age, String phoneNumber){
this.name = name;
this.age = age;
this.phoneNumber = phoneNumber;
}
}
Explanation:
The code above is written in Java.
The following should be noted;
(i) To define a class, we begin with the keywords:
public class
This is then followed by the name of the class. In this case, the name is Person. Therefore, we have.
public class Person
(ii) The content of the class definition is contained within the block specified by the curly bracket.
(iii) The class contains instance variables name, age and phoneNumber which are properties specified by the Person class.
The name and phoneNumber are of type String. The age is of type int. We therefore have;
String name;
int age;
String phoneNumber;
(iv) A constructor which initializes the instance variables is also added. The constructor takes in three parameters which are used to respectively initialize the instance variables name, age and phoneNumber.
We therefore have;
public Person(String name, int age, String phoneNumber){
this.name = name;
this.age = age;
this.phoneNumber = phoneNumber;
}
(v) Notice also that a constructor has the same name as the name of the class. In this case, the constructor's name is Person.
Answer:
The class and constructor in C++ is as follows:
class Person {
public:
string name; int age; int phone;
Person (string x, int y) {
name = x; age = y;
}
};
Explanation:
This defines the class
class Person {
The specifies the access specifier
public:
This declares the attributes; name, age and phone number
string name; int age; int phone;
This defines the constructor for the name and age
Person (string x, int y) {
This gets the name and age into the constructor
name = x; age = y;
}
};
Write a program that reads integers from the user and stores them in a list. Your
program should continue reading values until the user enters 0. Then it should display
all of the values entered by the user (except for the 0) in order from smallest to largest,
with one value appearing on each line. Use either the sort method or the sorted
function to sort the list.
Answer:
The program in Python is as follows:
numList = []
num = int(input())
while num != 0:
numList.append(num)
num = int(input())
numList.sort()
for num in numList:
print(num)
Explanation:
This initializes the list
numList = []
This gets input from the user
num = int(input())
This loop is repeated until the user enters 0
while num != 0:
This appends the user input to the list
numList.append(num)
This gets another input from the user
num = int(input())
This sorts the list in ascending order
numList.sort()
This iteration prints the list elements, each on a line
for num in numList:
print(num)
In this chapter, you learned that although a double and a decimal both hold floating-point numbers, a double can hold a larger value. Write a C# program named DoubleDecimalTest that declares and displays two variables—a double and a decimal. Experiment by assigning the same constant value to each variable so that the assignment to the double is legal but the assignment to the decimal is not.
Answer:
The DoubleDecimalTest class is as follows:
using System;
class DoubleDecimalTest {
static void Main() {
double doubleNum = 173737388856632566321737373676D;
decimal decimalNum = 173737388856632566321737373676M;
Console.WriteLine(doubleNum);
Console.WriteLine(decimalNum); } }
Explanation:
Required
Program to test double and decimal variables in C#
This declares and initializes double variable doubleNum
double doubleNum = 173737388856632566321737373676D;
This declares and initializes double variable decimalNum (using the same value as doubleNum)
decimal decimalNum = 173737388856632566321737373676M;
This prints doubleNum
Console.WriteLine(doubleNum);
This prints decimalNum
Console.WriteLine(decimalNum);
Unless the decimal variable is commented out or the value is reduced to a reasonable range, the program will not compile without error.
Phân tích những xu hướng mới của Digital Marketing nổi bật 2020-2023
Answer:FSfgvdfftb
Explanation:
c srfv fergvrgfcg
Decision support systems (or DSSs) model information using OLAP, which provides assistance in evaluating and choosing among different courses of action. Which of the following does not represent an example of a DSS in business?
a. An insurance company using a system to gauge risk of providing insurance to drivers who have imperfect driving records
b. A medical doctor entering symptoms into a system to aid in diagnosing and treating patients
c. A manufacturing digital dashboard showing visualizations of inventory and production
d. A dentist entering symptoms into a system to help diagnose and treat patients
Answer:
C
Explanation:
Decision Support Systems (DSSs) model information using OLAP, helps in providing assistance to evaluate and choose among different course of action.
For option A, an insurance company using DSS to evaluate risk of providing insurance to drivers who doesn't have perfect records and option B and D medical doctor entering symptoms into a system to aid in diagnosing and treating patients and dentist entering symptoms into a system to help diagnose and treat patients respectively
Use the following to calculate the acid-test ratio. (Round your answer to two decimal places.) Cash: $100,000 Short-term investments: 17,000 Net current receivables: 250,000 Inventory: 330,000 Total current liabilities: 760,000 O 0.92 5.88 O 0.79 0.48
Answer: 0.48
Explanation:
The acid test ratio will be calculated as:
Cash = $100,000
Add: Short term investments = $17,000
Add: Net Current Receivables = $250,000
Total Assets = $367,000
/ Total Current Liabilities = $760,000
Acid Test Ratio will now be:
= Total Assets / Total Liabilities
= $367000/$760000.
= 0.48
Therefore, the acid test ratio is 0.48.
what represents the amount of data that travels along a network
Answer:
byte
Explanation:
Answer:
Bandwidth is measured as the amount of data that can be transferred from one point to another within a network
Explanation:
6.23 LAB: Convert to binary - functions Instructor note: This is a lab from a previous chapter that now requires the use of a function. If you weren't able to solve it before, think of this as a new opportunity. Write a program that takes in a positive integer as input, and outputs a string of 1's and 0's representing the integer in binary. For an integer x, the algorithm is: As long as x is greater than 0 Output x % 2 (remainder is either 0 or 1) x = x // 2 Note: The above algorithm outputs the 0's and 1's in reverse order. You will need to write a second function to reverse the string. Ex: If the input is: 6 the output is: 110 Your program must define and call the following two functions. The function integer_to_reverse_binary() should return a string of 1's and 0's representing the integer in binary (in reverse). The function reverse_string() should return a string representing the input string in reverse. def integer_to_reverse_binary(integer_value) def reverse_string(input_string)
Answer:
The program in Python is as follows:
import math
def integer_to_reverse_binary(integer_value):
remainder = ""
while integer_value>=1:
remainder+=str(integer_value % 2)
integer_value=math.floor(integer_value/2)
reverse_string(remainder)
def reverse_string(input_string):
binaryOutput=""
for i in range(len(input_string)-1,-1,-1):
binaryOutput = binaryOutput + input_string[i]
print(binaryOutput)
integer_value = int(input("Enter a Number : "))
integer_to_reverse_binary(integer_value)
Explanation:
This imports the math module
import math
This defines the integer_to_reverse_binary function
def integer_to_reverse_binary(integer_value):
This initializes the remainder to an empty string
remainder = ""
This loop is repeated while the integer input is greater than or equal to 1
while integer_value>=1:
This calculates the remainder after the integer value is divided by 2
remainder+=str(integer_value % 2)
This gets the floor division of the integer input by 2
integer_value=math.floor(integer_value/2)
This passes the remainder to the reverse_string function
reverse_string(remainder)
The reverse_string function begins here
def reverse_string(input_string):
This initializes the binaryOutput to an empty string
binaryOutput=""
This iterates through the input string i.e. the string of the remainders
for i in range(len(input_string)-1,-1,-1):
This reverses the input string
binaryOutput = binaryOutput + input_string[i]
This prints the binary output
print(binaryOutput)
The main begins here
This gets input for integer_value
integer_value = int(input("Enter a Number : "))
This passes the integer value to the integer_to_reverse_binary function
integer_to_reverse_binary(integer_value)
Ten examples of an interpreter
Answer:
Some popular examples of today's interpreters are:
Interpreter of PythonInterpreter for RubyPerl performerInterpreter for PHPMATLAB UCSD PascalExplanation:
An interpreter executes the commands directly in an object code or a machine code, written in a program or a scripting language.
The Interpreter can be referred to as system software that can read and execute the programme instead of interpreting programmes. This interpretation includes high-level source code, pre-compiled programmes and scripts.
It is important to note that the interpreter translates programme by programme line, meaning that one statement is translated on one go. This feature makes it easy for programmers to check any line on debugging but slows the whole programme running time.
A good CRM should Integrate marketing, sales, and customer support activities measuring and evaluating the process of knowledge acquisition and sharing.
The correct answer to this open question is the following.
Unfortunately, you forgot to include a question. Here, we just have a statement.
What is your question? What do you want to know?
If this is a true or false question, the answer is "true."
It is true that a good CRM should integrate marketing, sales, and customer support activities measuring and evaluating the process of knowledge acquisition and sharing.
The reason is that effective investment in Customer Relationship Management (CRM) should be able to operate efficientñy with these management aspects in order to increase the productivity and efficiency of the company.
A good CRM has to facilitate the operations of a company, improving time management and people's activities that can produce better results accomplishing the companies goals and fulfilling the key performing indicators (KPI)
4. Used to grip, pull and cut electrical wires. A. Pliers C. Long-nose B. Electric plug D. Electric drill and Drill bit
5. A special tape made of vinyl used to wrap electrical wires A. Cutter C. Electrical tape B. Drill bit D. Screwdrivers
6. What pair of sharp blades are commonly used to cut wires and to remove a portion of the wire insulatione A. Combination plier C. Electrical tape B. Cutter D. Screwdrivers
Answer:
4. A. Pliers
5. C. Electrical Tape
6. B. Cutter
Explanation:
who would win in a fight iron man or bat man
How do u create a blank line between two lines in a document
Answer: Press enter at the end of the line.
Explanation:
If you press enter at the end of the line or sentence, it will start a new space underneath your line or sentence.
Explain the
4 ways
ways of arranging icons.
Answer:
There are 4 ways of arranging icons:
By name.by type.by date or by size.Explanation:
Click right-click a blank desktop area and then click Arrange icons to arrange icons for name, type, date, or size. Click on the command to show how the icons should be organized (by Name, by Type, and so on).
Click Auto Arrange to set the icons automatically. Click Auto Arrange to remove the checkmark if you want to set the icons alone.
HOW TO ARRANGE ICONS ON LAPTOP'S DESKTOP:
Right-click the Desktop and from the resulting shortcut menu select View; make sure that Auto Arrange Icons are not selected.Destroy it before proceeding to the next step if selected.
Click on the desktop with the righ-click.Choose Sort-by from the resulting shortcut menu and then click on the desktop shortcut criteria.Any icon can be clicked and dragged to a different place on your desktop, for instance, to separate your favorite game from other desktop icons to help you easily find it.