which of the following context-based authentication methods is likely to reveal someone attempting to brute-force an account using an automated script?

Explanation:

......

Answer:

because the password being used is of high quality

Explanation:

Option C is the most preferable in terms of system security because the password being used is of high quality. Meaning that it contains lower case and capital case letters as well as numbers. It is also a random mix of all three and is not a common word or name. The length of the password is normal but could be longer for better safety. These things make it very difficult and time-consuming for a software program to guess the password, and nearly impossible for an individual to guess.

The program that defines a function named CoinFlip that returns "Heads" or "Tails" according to a random value 1 or 0 is given below:

#include <iostream>

#include <cstdlib>

#include <ctime>

std::string CoinFlip() {

   int randomValue = std::rand() % 2;

   return (randomValue == 1) ? "Heads" : "Tails";

}

int main() {

   std::srand(std::time(0)); // Seed the random number generator

   int numFlips;

   std::cin >> numFlips;

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

       std::cout << CoinFlip() << std::endl;

   }

   return 0;

}

We use std::rand() to generate a random number between 0 and RAND_MAX, and limit it to 0 or 1 with the % operator.

The CoinFlip() function returns "Heads" or "Tails". In main(), we seed the random number generator with std::srand(std::time(0)).

To ensure unique random values, we call CoinFlip() function in a loop after taking user input for the desired number of coin flips. Finally, return 0 for program success.

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A list cannot be passed as an argument to a function is a false statement.

When a list or tuple is specified as an argument with the symbol *, it is unpacked and each element is passed to each argument. The sample code that follows uses lists, but tuples can also use it. TypeError is raised if the number of elements and arguments do not match.

Therefore, As function arguments, objects may be passed. This comes in handy when we want to give the current object the values from a passed-in object. Any argument you pass to a function, including strings, numbers, lists, dictionaries, etc., will be treated as the same data type inside the function.

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A list cannot be passed as an argument to a function. True or false.

Answer:

i think i know

Explanation:

One standard of word processing is to have only one space after each period.

This convention originated from the typewriter era, where characters had the same width, and the two-space rule helped create a visual break between sentences. However, with the advent of modern word processors and variable-width fonts, the extra space can make the text appear uneven and disrupt the flow of reading.

Therefore, most style guides recommend using only one space after a period, which improves readability and creates a more polished look. This practice has become widely accepted in professional writing and is a common typographical standard today.

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When a computer is turned on, it goes through several technical stages before it can navigate to a sample website. The following are the basic steps involved in booting up a computer and accessing a website:

Power On Self Test (POST): When a computer is turned on, it undergoes a Power On Self Test (POST) process, which checks the hardware components such as RAM, hard drive, CPU, and other peripherals to ensure they are functioning properly.

Basic Input/Output System (BIOS) startup: Once the POST process is complete, the BIOS program stored in a chip on the motherboard is loaded. The BIOS program initializes the hardware components and prepares the system for booting.

Boot Loader: After the BIOS startup is complete, the boot loader program is loaded. This program is responsible for loading the operating system into the computer's memory.

Operating System (OS) startup: Once the boot loader program has loaded the operating system, the OS startup process begins. During this process, the OS initializes the hardware, loads device drivers, and starts system services.

Web browser launch: After the OS startup is complete, the user can launch a web browser. The web browser program is loaded into the memory, and the user can navigate to a sample website.

DNS Lookup: When the user types in the website address, the computer performs a Domain Name System (DNS) lookup to translate the website name into an IP address.

HTTP Request: After the IP address is obtained, the web browser sends an HTTP request to the web server that hosts the website.

Website content delivery: Once the web server receives the HTTP request, it sends back the website content to the web browser, and the website is displayed on the user's screen.

These are the basic technical stages involved in booting up a computer and navigating to a sample website.

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Answer:

A. Encode the (negative) decimal fraction -9/2 to binary using the 8-bit floating-point notation.

First, let's convert -9/2 to a decimal number: -9/2 = -4.5

Now, let's encode -4.5 using the 8-bit floating-point notation. We'll use the following format for 8-bit floating-point representation:

1 bit for the sign (S), 3 bits for the exponent (E), and 4 bits for the mantissa (M): SEEE MMMM

Sign bit: Since the number is negative, the sign bit is 1: 1

Mantissa and exponent: Convert -4.5 into binary and normalize it:

-4.5 in binary is -100.1. Normalize it to get the mantissa and exponent: -1.001 * 2^2

Mantissa (M): 001 (ignoring the leading 1 and taking the next 4 bits)

Exponent (E): To store the exponent (2) in 3 bits with a bias of 3, add the bias to the exponent: 2 + 3 = 5. Now, convert 5 to binary: 101

Now, put the sign, exponent, and mantissa together: 1101 0010

So, the 8-bit floating-point representation of -9/2 (-4.5) is 1101 0010.

B. Determine the smallest (lowest) negative value which can be incorporated/represented using the 8-bit floating-point notation.

To get the smallest negative value, we'll set the sign bit to 1 (negative), use the smallest possible exponent (excluding subnormal numbers), and the smallest mantissa:

Sign bit: 1

Exponent: Smallest exponent is 001 (biased by 3, so the actual exponent is -2)

Mantissa: Smallest mantissa is 0000

The 8-bit representation is 1001 0000. Converting this to decimal:

-1 * 2^{-2} * 1.0000 which is -0.25.

The smallest (lowest) negative value that can be represented using the 8-bit floating-point notation is -0.25.

C. Determine the largest (highest) positive value which can be incorporated/represented using the 8-bit floating-point notation.

To get the largest positive value, we'll set the sign bit to 0 (positive), use the largest possible exponent (excluding infinity), and the largest mantissa:

Sign bit: 0

Exponent: Largest exponent is 110 (biased by 3, so the actual exponent is 3)

Mantissa: Largest mantissa is 1111

The 8-bit representation is 0110 1111. Converting this to decimal:

1 * 2^3 * 1.1111 which is approximately 1 * 8 * 1.9375 = 15.5.

The largest (highest) positive value that can be represented using the 8-bit floating-point notation is 15.5.

Explanation:

Implementing a regular patch management policy, with a schedule for updating all endpoints and enforcing compliance through configuration management or other tools.

Patch management rules are a set of standards that guarantee patching is managed, efficient, and secure. These instructions outline the actions and procedures to be followed when fixing bugs and vulnerabilities. There are several sorts of patches, such as security patches, hotfixes, and service packs.

Patch management is the process of updating software, drivers, and firmware to prevent vulnerabilities. Effective patch management also ensures that systems run at peak performance, increasing productivity.

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Answer:

Answered below

Explanation:

Data hazards happen when instructions exhibiting data dependence modify data in the different stages of a pipeline. Potential data hazards when not attended to, can result in race hazards or race conditions. Examples of situations where data hazards can occur is read after write, write after read, write after write. To resolve data hazards we can insert a pipeline whenever a read after write, dependence is encountered, use out-of-order execution or use operand forwarding.

Structural hazards happen when multiple instructions which are already in pipeline new the same resource. Example is a situation which many instructions are ready to execute an there is a single Arithmetic Logic Unit. Methods for preventing this hazard include pipeline break an pipeline flushing.

Answer:

sorry if it is too late but I think it is d

Explanation:

Answer:

1. Create the main document

2. Connect to a data source

3. Specify which records to include

4. Insert merge fields.

5. Preview, print, or email the document.

Explanation:

Microsoft Word refers to a word processing software application or program developed by Microsoft Inc. to enable its users type, format and save text-based documents.

A Mail Merge is a Microsoft Word feature that avails end users the ability to import data from other Microsoft applications such as Microsoft Access and Excel. Thus, an end user can use Mail Merge to create multiple documents (personalized letters and e-mails) at once and send to all individuals in a database query or table.

The sequential steps of what occurs during the mail merge process are;

1. Create the main document

2. Connect to a data source

3. Specify which records to include

4. Insert merge fields.

5. Preview, print, or email the document.

Answer:

1.Create the main document

2.Connect to a data source

3.Specify which records to include.

4.Insert merge cells

5.Preview, print, or email the document.

Explanation:

Just did it on e2020

Answer:

Microsoft Remote Desktop

Explanation:

The Microsoft software program that is useful for uploading documents to be accessed remotely is: Microsoft OneDrive.

Cloud computing can be defined as a type of computing that requires shared computing resources such as cloud storage (data storage), servers, computer power, and software over the internet rather than local servers and hard drives.  Thus, it offer or avail individuals and businesses a fast, effective and efficient way of providing services to their clients over the internet.

Generally, cloud computing comprises three (3) service models and these are;

Microsoft OneDrive can be defined as a software as a service (SaaS) developed by Microsoft Inc. to be used as a cloud (internet-based) storage service and software application synchronization service. It was officially launched on the 7th of August, 2007 by Microsoft.

Basically, Microsoft OneDrive typically offer to its registered customers or end users a free amount of storage space (at least 5 giga-bytes) that can be used to store various type of documents, remotely share digital files, and synchronize multiple files across different mobile and computer-based platforms.

In conclusion, with Microsoft OneDrive you can upload your documents to the cloud and make it available to be accessed remotely by other users.

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square root:: sqrt()

an approximation of 7#pi

greatest common divisor of two integers::gcd(0)

Answer:

Here yah go.

Explanation:

Virus: A virus is a malicious program that attaches itself to legitimate files and spreads by infecting other files. It can cause damage to the infected system by corrupting or deleting files, slowing down the computer, or spreading to other connected devices.

Worm: Worms are self-replicating programs that spread over computer networks without the need for user interaction. They exploit vulnerabilities in operating systems or software to propagate themselves and can cause significant damage by consuming network bandwidth or carrying out malicious activities.

Trojan Horse: A Trojan horse appears as a legitimate and harmless program, but it contains malicious code that performs unauthorized activities without the user's knowledge. Trojans can enable remote access to a computer, steal sensitive information, or download and install additional malware.

Ransomware: Ransomware is a type of malware that encrypts a victim's files, making them inaccessible until a ransom is paid. It typically displays a ransom note, demanding payment in exchange for the decryption key. Ransomware attacks can be highly disruptive and costly for individuals and organizations.

Spyware: Spyware is designed to secretly monitor a user's activities and gather information without their consent. It can track keystrokes, capture screenshots, record browsing habits, and steal personal or sensitive data. Spyware often aims to collect financial information or login credentials.

Adware: Adware is a type of malware that displays unwanted advertisements on a user's computer. It can redirect web browsers, modify search results, and slow down system performance. Adware is typically bundled with legitimate software and generates revenue for its creators through advertising clicks or impressions.

Keylogger: Keyloggers are designed to record keystrokes on a computer or mobile device. They can capture usernames, passwords, credit card details, and other confidential information. Keyloggers can be delivered through malicious downloads, infected websites, or email attachments.

Botnet: A botnet is a network of compromised computers, also known as "zombies" or "bots," that are controlled by a central command and control (C&C) server. Botnets can be used for various malicious activities, including distributed denial-of-service (DDoS) attacks, spam distribution, or spreading other types of malware.

Rootkit: A rootkit is a type of malware that provides unauthorized access and control over a computer system while hiding its presence from detection by security software. Rootkits often modify operating system components and can be difficult to detect and remove.

Backdoor: A backdoor is a hidden entry point in a system that bypasses normal authentication mechanisms, allowing unauthorized access to a computer or network. Backdoors are often used by attackers to gain persistent access for further exploitation or to create a secret pathway for future access.

It is essential to stay vigilant, use reputable antivirus software, keep systems up to date, and exercise caution when downloading files or clicking on suspicious links to protect against these various types of malware.

To create different styles for the same type of element, you can utilize various techniques in web development and CSS (Cascading Style Sheets).

Here are a few approaches:

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The code to verify if an year is a leap year is developed throughout this answer.

We are going to develop a C code, hence first we declare the main function, as follows:

int main(){

return 0;

}

Then, we declare the integer variable to store the year, as follows:

int main(){

int year;

return 0;

}

Then the year is read in a loop, until the year read is different of 0.

int main(){

int year;

do{

printf("Enter a year (0 to quit):\n");

scanf("%d", & year);

}while(year != 0);

return 0;

}

Then conditional clauses are inserted to verify if the year number is an acceptable input (non-negative number), and if it is a leap year.

do{

printf("Enter a year (0 to quit):\n");

scanf("%d", & year);

if(year > 0){

//Calculates the remainder of the division by 4.

if(year % 4 == 0){

//If divisible by 4 but not by 100, it is a leap year.

if(year % 100 != 0){

printf("%d is a leap year\n", year);

}

//If divisible by 100, it is only a leap year if divisible by 400 also

else{

if(year%400 == 0){

printf("%d is a leap year\n", year);

}

else{

printf("%d is not a leap year\n", year);

}

}

}

//If not divisible by 4, then it is a not leap year

else{

printf("%d is not a leap year\n", year);

}

}

}while(year != 0);

return 0;

}

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1) We use chart for Visual representation, Data analysis, Effective communication and Decision-making.

2. It is important to select the correct data when creating a chart Accuracy, Credibility, Clarity and Relevance.

Accuracy: Selecting the right data ensures that the chart accurately represents the information you want to convey. Incorrect data can lead to misleading or incorrect conclusions.

Relevance: Choosing the appropriate data ensures that your chart focuses on the relevant variables and relationships, making it more useful for analysis and decision-making.

Clarity: Including unnecessary or irrelevant data can clutter the chart and make it difficult to interpret. Selecting the correct data helps to maintain clarity and simplicity in the chart's presentation.

Credibility: Using accurate and relevant data in your charts helps to establish credibility and trust with your audience, as it demonstrates a thorough understanding of the subject matter and attention to detail.

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Answer:

C. ATA Secure Erase

D. Smash the USB drive

Explanation:

Zero fill utility is a specialized way of formatting a storage device particularly secondary storage such as hard disk, flash drive e.t.c. In this process, the disk contents are overwritten with zeros. Once this has been done, undoing is essentially hard but possible. In most cases, this might just mean that the data content is corrupt and as such might still be recovered, maybe not in its pure entirety.

Formatting the drive on another hand does not essentially mean cleaning the drive and wiping off data. It just means that operating systems cannot see those data contents anymore. They are still present in the drive and can be recovered.

ATA Secure Erase is actually a way of completely and permanently erasing the content in a drive. Once the function has been done, undoing is not possible. Both the data content and even the data management table will be completely gone.

Smashing the USB drive is the surest way of cleaning data as that will permanently destroy the working components of the drive such as the memory chip. And once that happens then there's no drive let alone its contents.

The distance between and  is the difference between the two numbers.

Thus, Since the distance is a positive quantity, we want to subtract a small number from a big number to get a positive result. However, sometimes we don't know which of the two numbers is bigger.

If the number line above wasn't given, we wouldn't know is greater than. To get a positive result every time, we take the absolute value of the difference.

The number line serves as the primary visual representation in statistics, it is common practice to compare two points on the number line and calculate their distance from one another.

Thus, The distance between and  is the difference between the two numbers.

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Answer:

n the first stage of an intrusion, a nation-state attacker works to understand their target. That effort begins with scanning, researching important people and email addresses associated with the target, looking up open-source information regarding the organization or government and documenting everything they find on the network.

Explanation:

Answer:

it begins by gossips from peoples comments

Answer:

C

Explanation:

A social media specialist does not usually install computer hardware. They will do things like look at engagement data, create new posts to send out to followers, and consult on how to get more people to come into your business, but they wouldn't be doing things like installing new ram.

Answer:

Right click and paste

Ctrl + V

i) Time complexity for worst case is O(n^2).

What is asymptotic?

Asymptotic, informally, refers to a value or curve that is arbitrarily close. The term "asymptote" refers to a line or curve that is asymptotic to a given curve. Let be a continuous variable that tends to some limit, to put it more formally.

1) Asymptotic & worst case analysis:

The worst case analysis occur when the array is sorted in decreasing order.

Time Complexity = O(n^2)

Pseudocode:

for(i=0; i<n-1; i++)

{

   int min_index = i;

   for (j=i+1;, j<n; j++)

   {

         if(arr[i]<arr[min_index])

         {

               min_index = j; }

         swap(arr[i],arr[min_index]);

}

}

Let n=6

so,

i =[0,1,2,3,4]

j = [1→5,2→5,3→5,4→5,5→5]

Number of iteration:

5,4,3,2,1

General case:

\(\sum^{n-1}_1= 1 + 2 +3 +......+(n-1)\)

\(\sum^{n-1}_1= \frac{n(n-1)}{2}\)

\(= \frac{n^2-n}{2}\)

So, Time complexity = O(n^2).

∴Time complexity for worst case is O(n^2).

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Answer: I would suggest you consider your audience and how you can connect to them. Is your presentation, well, presentable? Is whatever you're presenting reliable and true? Also, no more than 6 lines on each slide. Use colors that contrast and compliment. Images, use images. That pulls whoever you are presenting to more into your presentation.

Explanation:

A surplus in a balance of payments is usually beneficial.

The correct answer to the given question is option B.

A surplus in a country's balance of payments occurs when its exports exceed its imports, resulting in a positive net inflow of foreign exchange. This surplus can bring several benefits to the country's economy. Firstly, it indicates that the country is competitive in international trade, as it is able to export more goods and services than it imports. This can boost domestic industries, create jobs, and enhance economic growth.

Secondly, a surplus in the balance of payments can contribute to increased foreign exchange reserves. These reserves can be used to stabilize the country's currency, provide a buffer against external shocks, and facilitate international transactions. Higher foreign exchange reserves can also enhance investor confidence and attract foreign direct investment.

However, it is important to note that while a surplus is usually beneficial, excessive surpluses can have some drawbacks. A persistent surplus can lead to an accumulation of foreign reserves beyond what is necessary, potentially causing imbalances and inefficiencies in the economy. It can also create trade tensions with other countries and contribute to global imbalances.

In summary, a surplus in the balance of payments is generally beneficial for a country's economy, but it should be managed and monitored to ensure sustainable economic growth and stability.

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Answer:

A mature technology is a technology that has been in use for long enough that most of its initial faults and inherent problems have been removed or reduced by further development.

Explanation:

Answer: NAT

Which of the following allows hundreds of computers all to have their outbound traffic translated to a single IP? One-to-many NAT allows multiple devices on a private network to share a single public IP address.

The following that allows for  hundreds of computers all to have their outbound traffic translated to a single IP is the One-to-many NAT.     Option C

One-to-many NAT allows hundreds of computers to have their outbound traffic translated to a single IP this is done by designating each computer to  a unique port number, that is used to identify the specific device within the the network address transition NAT, where all private network gain access to public network     .

The NAT device serves as translator, keeping track of the original source IP and port number in the translation table, translates the source IP address and port number of each outgoing packet to the single public IP address,  This allows for a possible multiple devices to share a single IP address for outbound connections.

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The complete question with the options

Which of the following allows hundreds of computers all to have their outbound traffic translated to a single IP?

a. Rewriting

b. Port forwarding

c. One-to-many NAT

d. Preservation

The option of the network topology that is known to be the most expensive to implement and maintain is known to be called option (b) Mesh.

Network topology is known to be a term that connote the setting of the elements that pertains to a communication network.

Note that Network topology can be one that is used to state or describe the pattern of arrangement of a lot of different types of telecommunication networks.

Therefore, The option of the network topology that is known to be the most expensive to implement and maintain is known to be called option (b) Mesh.

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Which of the following is the most expensive network topology?

(a) Star

(b) Mesh

(c) Bus