The SQL query "SELECT movie_id, title FROM movies" retrieves the movie_id and title columns from the movies table. By adding "ORDER BY year_of_release DESC" to the query, the results are sorted in reverse chronological order based on the year_of_release column.
What is the query to display movie ids and titles in reverse chronological order of release year?To display movie ids and titles in reverse chronological order of their year of release, you can execute the following SQL query: "SELECT movie_id, title FROM movies ORDER BY year_of_release DESC;".
This query retrieves the movie_id and title columns from the movies table and sorts the result in descending order based on the year_of_release column. By using the "ORDER BY" clause with "DESC" (short for descending), the query ensures that the movies are listed starting from the most recent release year and moving towards older years. This allows you to view the movie details in reverse chronological order, making it easier to identify the latest releases.
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consider a distributed variant of the attack we explored in q. 6, assume the attacker has compromised a number of broadband-connected residential pcs to use as zombie systems. also assume each such system has an average uplink capacity of 128 kbps. what is the maximum number of 500-byte icmp echo request (ping) packets a single zombie pc can send per second? how many such zombie systems would the attacker need to flood a target organization using a 0.5-mbps link? a 2-mbps link? or a 10-mbps link? given reports of botnets composed of many thousands of zombie systems, what can you conclude about their controller’s ability to launch ddos attacks on multiple such organizations simultaneously? or on a major organization with multiple, much larger network links than we have considered in these problems?
To calculate the maximum number of 500-byte ICMP echo request packets a single zombie PC can send per second, we need to consider the uplink capacity of the PC.
Given that each zombie PC has an average uplink capacity of 128 kbps, we can convert this to bytes per second by multiplying it by 1,000 (since there are 8 bits in a byte) to get 128,000 bytes per second.
To calculate the maximum number of packets, we divide the uplink capacity by the size of each packet. So, 128,000 bytes per second / 500 bytes per packet = 256 packets per second.
Now let's calculate the number of zombie systems needed to flood a target organization using different link capacities:
For a 0.5 Mbps link, we need to convert it to bytes per second by dividing it by 8 (since there are 8 bits in a byte). So, 0.5 Mbps / 8 = 0.0625 MBps = 62.5 KBps.
To find the number of zombie systems needed, we divide the link capacity by the maximum number of packets per second. So, 62.5 KBps / 256 packets per second = 244.14.
Since we can't have a fraction of a zombie system, we would need at least 245 zombie systems to flood a target organization using a 0.5 Mbps link.
Similarly, for a 2 Mbps link, the link capacity in bytes per second would be 2 Mbps / 8 = 0.25 MBps = 250 KBps.
Number of zombie systems needed = 250 KBps / 256 packets per second = 976.56, rounded up to 977 zombie systems.
And for a 10 Mbps link, the link capacity in bytes per second would be 10 Mbps / 8 = 1.25 MBps = 1250 KBps.
Number of zombie systems needed = 1250 KBps / 256 packets per second = 4.88, rounded up to 5 zombie systems.
Based on reports of botnets composed of many thousands of zombie systems, we can conclude that their controller has the ability to launch DDoS attacks on multiple organizations simultaneously. With a large number of zombie systems at their disposal, they can distribute the attack across multiple targets or focus a significant amount of traffic on a major organization with larger network links.
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what are three ways to foster accountability on an agile release train
The three crucial program events of inspect, adapt, and test maintain the Agile Release Train on track. This activity comes after each PI planning activity.
All the individuals expertise required for the implementation, testing, deployment, and release of software, hardware, firmware, or other products are included in the Agile Release Train. Each ART is a virtual organization that plans, commits, develops, and deploys work collaboratively. It typically consists of 50–125 individuals. The main duties of the RTE are to help the teams deliver value and to facilitate ART events and processes. RTEs interact with stakeholders, deal with obstacles, assist with risk management, and promote constant improvement.
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I need help building this Assignmen in Java, Create a class "LoginChecker" that reads the login and password from the user and makes sure they have the right format then compares them to the correct user and password combination that it should read from a file on the system. Assignment Tasks The detailed steps are as follows: 1-The program starts by reading login and password from the user. 2- Use the code you built for Assignment 8 Task 2 of SENG101 to validate the format of the password. You can use the same validation rules used in that assignment. You are allowed to use any functions in the String library to validate the password as well. Here are suggestions for the valid formats if you need them. A- User name should be 6-8 alphanumeric characters, B- Password is 8-16 alphanumeric and may contain symbols. Note, your format validation should be 2 separate functions Boolean validateUserName(String username) that take in a username and returns true if valid format and false otherwise. Boolean validatePwd(String pwd) that take in a password and returns true if valid format and false otherwise. 3- The program will confirm if the user name and password have the required format before checking if they are the correct user/password 4- If the correct format is not provided, the program will keep asking the user to enter login or password again 5- Relevant output messages are expected with every step. 6- Once the format is confirmed, the system will check the login and password against the real login and password that are stored in a file stored in the same folder as the code. 7- For testing purposes, create a sample file named confidentialInfo.txt 8- the file structure will be as follows: first line is the number of logins/passwords combinations following line is first login following line is the password following line is the next login and so on. 9- the program should include comments which make it ready to generate API documentation once javadoc is executed. (7.17 for reference) A -Documentation is expected for every class and member variables and methods. 10- Once the main use case is working correctly, test the following edge cases manually and document the results. A- what happens if the filename you sent does not exist? B- what happens if it exists but is empty? C- what happens if the number of login/password combinations you in the first line of the file is more than the actual number combinations in the file ? what about if it was less? 11- Generate the documentation in html format and submit it with the project.
Here's an implementation of the "LoginChecker" class in Java based on the provided assignment requirements:
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
public class LoginChecker {
private String username;
private String password;
public LoginChecker(String username, String password) {
this.username = username;
this.password = password;
}
public boolean validateUserName(String username) {
// Validate username format (6-8 alphanumeric characters)
return username.matches("^[a-zA-Z0-9]{6,8}$");
}
public boolean validatePwd(String password) {
// Validate password format (8-16 alphanumeric and may contain symbols)
return password.matches("^[a-zA-Z0-9!#$%^&*()-_=+]{8,16}$");
}
public boolean checkCredentials() {
// Check if username and password have the required format
if (!validateUserName(username) || !validatePwd(password)) {
System.out.println("Invalid username or password format!");
return false;
}
// Read logins and passwords from the file
try (BufferedReader br = new BufferedReader(new FileReader("confidentialInfo.txt"))) {
String line;
int numCombinations = Integer.parseInt(br.readLine());
// Iterate over login/password combinations in the file
for (int i = 0; i < numCombinations; i++) {
String storedUsername = br.readLine();
String storedPassword = br.readLine();
// Check if the entered username and password match any combination in the file
if (username.equals(storedUsername) && password.equals(storedPassword)) {
System.out.println("Login successful!");
return true;
}
}
System.out.println("Invalid username or password!");
} catch (IOException e) {
System.out.println("Error reading the file!");
}
return false;
}
public static void main(String[] args) {
// Prompt the user to enter login and password
// You can use a Scanner to read user input
// Create an instance of LoginChecker with the entered login and password
LoginChecker loginChecker = new LoginChecker("user123", "pass123");
// Check the credentials
loginChecker.checkCredentials();
}
}
Please note that you need to replace the placeholder values for the username and password with the actual user input. Additionally, make sure to have the confidentialInfo.txt file in the same folder as the Java code and ensure it follows the specified format in the assignment.
Make sure to compile and run the program to test its functionality.
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Based on the information in the table, which of the following tasks is likely to take the longest amount of time when scaled up for a very large company of approximately 100,000 customers
Answer:
Task A
Explanation:
Hannah's prior status updates, pictures, and profile data will be hidden from view and deleted from servers 30 days after posting.
What amount of time when scaled up large company?When a set of symbols is used to represent a number, letter, or word during coding, that symbol, letter, or word is said to be being encoded. The collection of symbols is referred to as a code. A set of binary bits is used to represent, store, and transmit digital data.
Binary code is another name for this category.The values of the subject attributes can be stored in numerous rows for large data subjects. Data from long data sets may span several columns.
Therefore, The only system that is adaptable enough to allow for the representation of data other than numbers is the binary number system.
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How do I fix Java Lang StackOverflowError?
Answer:
A StackOverflowError in Java is usually caused by a recursive method that calls itself indefinitely or by an excessively deep call stack.
Explanation:
To fix this error, you can try the following:
Check your code for any recursive calls that may be causing the error and modify them to avoid infinite recursion.Increase the stack size of your JVM by adding the "-Xss" option when running your application. For example, you can use the command "java -Xss2m MyClass" to increase the stack size to 2MB.Simplify your code or optimize it to reduce the depth of the call stack.If none of the above solutions work, you may need to consider refactoring your code or using a different approach to solve the problem.Ask the user to enter a sentence. If the sentence has any mention of dog, tell the user (once) Dogs are cute. If the sentence has any mention of taco, tell the user (once) Tacos are tasty. Change each mention of dog to puppy. Change each mention of taco to burrito. Print the new sentence. Capitalization matters! For example, if theres a mention of Dog (note where the capital letter is), it should be changed to Puppy (note where the capital letter is). You will only need to look for mentions of dog, Dog, taco, and Taco. The plural forms are allowed but the final output for dog / Dog will not be grammatically correct, and this is ok. See sample output.
Answer:
Theses puppies are so cute!
Theses burritos are so yummy!
Would you like a taste of this delicious taco dog?
Explanation:
there you go plz may i have a brainilist??
This question has two parts : 1. List two conditions required for price discrimination to take place. No need to explain, just list two conditions separtely. 2. How do income effect influence work hours when wage increases? Be specific and write your answer in one line or maximum two lines.
Keep in mind that rapid prototyping is a process that uses the original design to create a model of a part or a product. 3D printing is the common name for rapid prototyping.
Accounting's Business Entity Assumption is a business entity assumption. It is a term used to allude to proclaiming the detachment of each and every monetary record of the business from any of the monetary records of its proprietors or that of different organizations.
At the end of the day, we accept that the business has its own character which is unique in relation to that of the proprietor or different organizations.
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A customer calls you and states that her laptop screen is very dim. In order to avoid going to the client's site, which of the following is the first action you should recommend to the customer to perform?
1. Use function keys
2. Set encryption
3. Restart the system
4. None of above
it depends on the brand of laptop,If it is standard use function key if not None of the above
A____is the smallest unit of measurement used to describe computer processing and storage. Enter the answer in the box
Answer:
the smallest unit of measurement used for measuring data is a bit
Eddie is working on a document that has only text. Which layout will he use to type the text? plato
A software license gives the owner the _____
to use software.
human right
understanding
password
legal right
Answer:
A software license gives the owner the legal right to use software.
You have the main office and a branch office connected via a WAN link. Users have complained that access to file shares has been slow. What feature can you install in Windows Server 2016 that might help the problem
If users are experiencing slow access to file shares over a WAN link, one feature that can help improve performance is BranchCache. BranchCache is a Windows Server 2016 feature that enables content to be cached on a local server or client in a branch office, reducing the amount of traffic that needs to traverse the WAN link.
When BranchCache is enabled, the first time a user accesses a file share or web page, the content is retrieved over the WAN link and cached on a local server or client. Subsequent requests for the same content can be served locally, reducing WAN traffic and improving performance. BranchCache operates in two modes: distributed cache mode and hosted cache mode.
In distributed cache mode, multiple clients in a branch office can share a cache hosted on a local server. This mode is ideal for smaller branch offices with limited storage capacity. In hosted cache mode, a cache is hosted on a dedicated server in the branch office. This mode is ideal for larger branch offices with more storage capacity and more users.
To enable BranchCache in Windows Server 2016, you must install the BranchCache feature on the server and configure it for distributed or hosted cache mode. You must also configure the client computers to use BranchCache for file shares and web content. Once configured, BranchCache can help improve performance for users accessing file shares over a WAN link.
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in 3-5 sentences,desribe how technology helps business professionals to be more efficient
Explanation:
it saves time by providing affordable communication, easy to use by helping business people to advertise their goods and services online, they can easily communicate with their business partners anywhere in the world easily.
Technology can play an important part in creating spare and effective processes. Communication technology helps business professionals give better client service for products-grounded companies. You can fluently attend to your client's complaints with virtual assistants and break their issues.
Hope this helps :)
you've created a new path exploration in explore to gain insight into the top pages that new users open after opening your home page. you're interested in sharing your findings with your colleague. by default, who can see the exploration you just created?
Only you can see the exploration, but you can share it with the other users of the property in read-only mode.
Path exploration demonstrates how your visitors behave moving ahead from a certain page or event.
Utilizing path exploration techniques, you can:
Discover the most visited pages by new visitors once they click on the main page. Learn what consumers do following an app exception. Find repeating activity that could suggest trapped users. determining how a situation affects a user's following behaviors.The Explorations' interface is divided into three primary sections/columns:
VariablesTab optionsThe result (the report or visualization produced using your configuration)Learn more about the go_ogle analytics with the help of the given link:
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what dose a bios system do?
which protocol is popular for moving files between computers on the same lan, where the chances of losing packets are very small? http smtp icmp tftp
Option D is correct. Another well-liked Layer 4 protocol is UDP. UDP is used by several protocols, including DNS, TFTP, and others, to transmit data.
A connectionless protocol is UDP. Before you transmit data, there is no need to create a link between the source and destination. At the transport level, TCP is by far the most widely used protocol when combined with IP. On networks like Novell or Microsoft, the IPX protocol is used at the network layer, and SPX is paired with it at the transport layer. TCP is used to manage network congestion, segment size, data exchange rates, and flow management. Where error correcting capabilities are needed at the network interface level, TCP is chosen.
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an apple ipad and a microsoft surface are examples of
The Apple iPad and Microsoft Surface are examples of tablet computers.
The Apple iPad and Microsoft Surface are both examples of tablet computers. Tablet computers are portable devices that have a touchscreen interface and are designed for tasks such as web browsing, email, multimedia playback, and gaming.
The Apple iPad is a line of tablets developed by Apple Inc. It runs on the iOS operating system and offers a wide range of apps through the App Store. The iPad is known for its sleek design, user-friendly interface, and extensive app ecosystem.
The Microsoft Surface, on the other hand, is a line of tablets and 2-in-1 devices developed by Microsoft. It runs on the Windows operating system and offers compatibility with a wide range of software applications. The Surface devices are known for their versatility, as they can be used both as tablets and as laptops with the detachable keyboard cover.
Both the Apple iPad and Microsoft Surface have become popular choices for consumers who want a portable and versatile computing device. They offer different features and operating systems, allowing users to choose the device that best suits their needs and preferences.
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An Apple iPad and a Microsoft Surface are examples of tablets. Tablets are a type of mobile computer that usually have a touch screen interface, and are larger than a smartphone but smaller than a laptop computer.
These devices are often used for browsing the internet, watching videos, reading e-books, playing games, and running applications.Tablets are portable and lightweight, making them convenient for use on-the-go. They can be connected to the internet through Wi-Fi or cellular data, and can often be used to make phone calls and send messages.An iPad is a tablet computer that runs on Apple's iOS operating system.
It was first introduced in 2010 and has since become one of the most popular tablet devices in the world. The iPad comes in several different models, including the iPad Mini, the iPad Air, and the iPad Pro.A Microsoft Surface is a tablet computer that runs on Microsoft's Windows operating system. It was first introduced in 2012 and was designed to compete with the iPad. The Surface is unique in that it has a detachable keyboard that allows it to function as both a tablet and a laptop computer.
Microsoft also offers several different models of the Surface, including the Surface Pro, the Surface Go, and the Surface Book.Both the iPad and the Surface have their own unique features and advantages, and the choice between them will depend on the user's individual needs and preferences.
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What are the four principles events of processes and
threads advantages and disadvantages of each?
Processes and threads are the two fundamental concepts of computer programming.
Below are the four principles of processes and threads along with their advantages and disadvantages.
ProcessesThe four principles of processes are:
1. Isolation
2. Encapsulation
3. Resource Allocation
4. Interprocess Communication
Advantages of Processes are:
1. It is more stable.
2. It has a higher degree of security.
3. Each process has its memory area, which does not affect other processes.
4. There is no interference among the different processes.
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Explain how islam systems of belief and their practices affected society in the period from c. 1200 to c. 1450.
The systems of belief and practices in Islam had a significant impact on society between the years 1200 and 1450.
During this period, Islam spread rapidly across various regions, influencing social, political, and cultural aspects of society. One key belief in Islam is the concept of Tawhid, which emphasizes the oneness of Allah. This belief fostered a sense of unity among Muslims, leading to the formation of cohesive communities and the establishment of Islamic states. The practice of Salah (prayer) five times a day also contributed to social cohesion and discipline.
Islamic teachings also influenced societal norms and values, promoting concepts such as justice, equality, and charity. Islamic scholars made significant contributions to various fields of knowledge, including mathematics, astronomy, and medicine, which had a transformative impact on education and scientific advancements. Overall, the systems of belief and practices in Islam during this period played a vital role in shaping and influencing society.
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Write a class RangeInput that allows users to enter a value within a range of values that
is provided in the constructor. An example would be a temperature control switch in
a car that allows inputs between 60 and 80 degrees Fahrenheit. The input control has
"up" and "down" buttons. Provide up and down methods to change the current value.
The initial value is the midpoint between the limits. As with the preceding exercises,
use Math. Min and Math. Max to limit the value. Write a sample program that simulates
clicks on controls for the passenger and driver seats
Answer:
UHHHM
Explanation:
the problems with scale in the profitability index can be corrected by using
The problems with scale in the profitability index can be corrected by using discounted cash flow (DCF).
What is the profitability index?
The profitability index (PI) is a capital budgeting technique that compares the present value of cash inflows to the initial investment required to make them. It can be used to assess various investment opportunities that may have differing initial investments.
The profitability index is calculated by dividing the present value of future cash flows by the initial investment. In mathematical terms,
PI = Present Value of Future Cash Flows / Initial Investment
A profitability index greater than one means that the project is worth pursuing, while a profitability index less than one means that the project is not profitable.
How can the scale problem in the profitability index be corrected?
There is a scale problem in the profitability index that must be addressed. When calculating the profitability index, the scale problem arises when comparing the profitability index of two projects with different scales.
For example, suppose you're comparing the profitability index of a $100,000 project with a $500,000 project. The project with a larger scale would have a greater profitability index because it would generate more cash flows than the smaller project, even if the smaller project has a higher return on investment (ROI).
Discounted cash flow (DCF) is used to correct the scale problem in the profitability index. In capital budgeting, discounted cash flow (DCF) is a valuation method that involves forecasting the future cash flows of a project and discounting them back to their present value using a discount rate. The present value of future cash flows is calculated as follows:
PV = FV / (1 + r)n
Where:
PV = Present ValueFV = Future Valuer = Discount RateN = Number of YearsThat's how the scale problem in the profitability index can be corrected by using discounted cash flow (DCF).
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An element of a two-dimensional array is referred to by ________ followed by ________.
An element of a two-dimensional array is referred to by the row subscript of the element followed by the column subscript of the element.
An element of a two-dimensional array is referred to by the row subscript of the element followed by the column subscript of the element.
What is array?The use of rows and columns to depict multiplication and division is known as an array. The number of groupings is shown in rows. The size or number of members in each group is shown in columns.
Two dimensional array is the simplest form of a multidimensional array. We can see a two dimensional array as an array of one-dimensional array for easier understanding.
An element of a two - dimensional array is refereed to by row subscript of the element
And element is followed by column subscript of the element.
Hence, the element of a two-dimensional array is referred to by the row subscript of the element and followed by the column subscript of the element.
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Which of the following organizations offers a family of business management system standards that details the steps recommended to produce high-quality products and services using a quality-management system that maximizes time, money and resources?
a
The World Wide Web Consortium (W3C)
b
The Internet Engineering Task Force (IETF)
c
The Institute of Electrical and Electronics Engineers (IEEE)
d
The International Organization for Standardization (ISO)
Answer:
D
Explanation:
The International Organization for Standardization (ISO) offers a family of management system standards called ISO 9000. ISO 9000 details the steps recommended to produce high-quality products and services using a quality-management system that maximizes time, money and resources.
True or false: The Nickelodeon the first movie theater to become successful showing only films opened in Pittsburgh in 1915
Answer:
ture
Explanation:
Answer:
TRUE I THINK....................
Explanation:
Consider the language ODDNOTAB consisting of all words that do not contain the substring ab and that are of odd length. (0) an applicable universal set (ii) the generator(s), (ili) an applicable function on the universal set and (iv) then use these concepts to write down a recursive definition for the language Give
The set theory is used to describe the set of strings of the ODDNOTAB language.Consider the ODDNOTAB language consisting of all odd-length words that do not include the ab substring. The following are the terms that must be included in the answer:(i) an applicable universal set(ii) the generator(s)(iii) an applicable function on the universal set(iv) using these concepts to provide a recursive definition for the language.
The following are the solutions to the given question:The universal set will be {a,b} and the generator(s) will be Ʃ. We can use the complement of the set {ab} to create a subset of Ʃ*. The word with length one, i.e., Λ, will be used as the base case and written into the language.
The recursion definition for the language ODDNOTAB can be written as:ODDNOTAB = {Λ} ∪ {x ∈ Ʃ*: x = ay or x = by for some y ∈ ODDNOTAB} where Ʃ = {a, b}.Therefore, the solution to the problem is that the language ODDNOTAB consists of all words that do not contain the substring ab and that are of odd length.
The universal set is {a, b}, the generator(s) is Ʃ, the function on the universal set is {ab} complement, and the recursive definition for the language is given as ODDNOTAB = {Λ} ∪ {x ∈ Ʃ*: x = ay or x = by for some y ∈ ODDNOTAB}.
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in corba, two objects written in different object-oriented programming languages can communicate with each other through a common language called
In Corba, two objects written in different object-oriented programming languages can communicate with each other through a common language called an Interface Definition Language (IDL).
IDL is a language-neutral syntax that defines the interface of objects. It defines a set of operations that can be called remotely by another object, along with the parameters and data types of those operations. IDL also specifies the protocols used to communicate between objects, including the Object Request Broker (ORB) protocol.
ORB is responsible for marshaling and unmarshaling data between objects written in different programming languages. It enables transparent communication between objects regardless of their implementation language or location.ORB intercepts method invocations from clients, finds the target object, and invokes the method on the target object.
It also handles security, transactions, and other aspects of distributed systems communication.ORB provides a flexible and extensible middleware that can support a wide range of distributed applications from simple client-server systems to complex enterprise applications.
ORBs are used in a variety of applications including distributed object systems, web services, and cloud computing. They provide a powerful mechanism for building distributed systems that are scalable, flexible, and reliable.
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What is the median salary of a cybersecurity engineer?
Answer:Rank State Avg. Salary
4 Georgia $98,217
5 Pennsylvania $93,997
6 Washington $99,206
7 Texas $95,531
Explanation:Washington gets paid better
What is output? x = 9 y = -3 z = 2 print(x + y * z)
Answer:
12
Explanation:
if an attacker calls the e-mail help desk posing as a company executive on a business trips who has lost her password, and consequently talks the help desk receptionist into giving out a password, such actions are known as:
Such actions are commonly referred to as "social engineering" or "phishing."
Social engineering involves manipulating individuals to gain unauthorized access to information or systems. In this scenario, the attacker is using impersonation and persuasive tactics to deceive the help desk receptionist into disclosing the password. Phishing, on the other hand, typically refers to fraudulent attempts to obtain sensitive information (such as passwords) by disguising as a trustworthy entity through electronic communication, usually emails. he attacker combines social engineering techniques, such as impersonation, with elements of phishing to manipulate the help desk receptionist into divulging the password. By exploiting trust, authority, and persuasive tactics, the attacker aims to bypass security measures and gain unauthorized access to the executive's account or sensitive information. The goal is to trick recipients into revealing sensitive information like passwords, credit card numbers, or account credentials. In this case, the attacker is essentially phishing for the password by pretending to be the executive in need of assistance.
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true or false: mobile searches and mobile web browsing is often a precursor to other offline commercial activity. true false
True, mobile searches and mobile web browsing is often a precursor to other offline commercial activity.
What is involved in business activity?Commercial activities are defined as those that have as their ultimate goal the manufacture of a thing or the provision of a service that will be sold in the pertinent market in quantities and at prices set by the firm and are carried out with a profit-making orientation.
What exactly is personal business activity?Any specific transaction, act, or behavior that is of a commercial nature, including the leasing, trading, or selling of donor, membership, or other fundraising lists, is referred to as a "commercial activity."
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