It is not always a good idea to make an entire class a friend of another class because it can create a sense of exclusion for students .
who may not feel comfortable or accepted in the friend class. It can also lead to cliques and a lack of diversity in social interactions. Additionally, it is important for students to have the opportunity to form relationships with a variety of peers, rather than being limited to just one group.
Therefore, it may be a better idea to encourage inter-class socialization and collaboration, while also promoting inclusivity and diversity. It's not always a good idea to make an entire class a friend of another class because this can lead to a violation of encapsulation and increase coupling between classes.
When one class is a friend of another, it can access its private and protected members. This can make it more difficult to maintain and modify the code, as changes in one class can have unintended consequences in another.
It is usually better to provide public interfaces for interaction between classes, preserving the separation of concerns and allowing for easier maintenance and updates.
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Write the code for invoking a static method named sendNumber , provided by the DataTransmitter class.There is one int argument for this method.Invoke this method and use the number 5 as an argument.
To invoke a static method named send Number provided by the Data Transmitter class, we need to follow some steps. First, we need to import the Data Transmitter class in our program. After that, we can call the static method by using the class name followed by the method name.
The syntax to invoke a static method is as follows:
Class Name.Method Name(arguments);
In our case, the class name is Data Transmitter and the method name is send Number, which takes an int argument. So, the code to invoke this method and pass the number 5 as an argument would be as follows:
Data Transmitter.send Number(5);
Here, we are calling the static method send Number of the Data Transmitter class and passing 5 as an argument. The method will receive this value as an input and perform its intended task.
It is important to note that since the method is static, we do not need to create an object of the Data Transmitter class to invoke it. We can directly access the method using the class name. Also, static methods are shared among all objects of the class, so any changes made to a static variable or method will affect all objects of the class.
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46.5% complete question an intruder monitors an admin's unsecure connection to a server and finds some required data, like a cookie file, that legitimately establishes a session with a web server. what type of attack can the intruder perform with the cookie file?
The intruder can perform a session hijacking attack with the cookie file, using the legitimate session established with the web server to gain unauthorized access to sensitive information or perform actions on behalf of the legitimate user. This is why it's important to always use secure connections and encrypt sensitive data, including cookies, to prevent these types of attacks.
The intruder can perform a session hijacking attack with the cookie file. With the cookie file, the intruder can impersonate the legitimate user and gain access to the user's account and sensitive information. Session hijacking is a type of attack in which an attacker steals a session identifier or cookie to hijack a valid user session. The attacker can then use the stolen session identifier to impersonate the user and perform unauthorized actions on the user's behalf. It is important to always use secure connections, such as HTTPS, to protect sensitive information and prevent session hijacking attacks.
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Algorithms are more often written in a somewhat stylized version of English called ____.
Algorithms are more often written in a somewhat stylized version of English called pseudocode.
Pseudocode is a high-level description of the program that combines natural language and programming language-like syntax. It is not a programming language but a tool used to express the logic and steps of an algorithm in an understandable way.
Pseudocode is a way of expressing computer algorithms using a language that is similar to English but with a more formalized syntax. It is a way of describing the steps in a program without actually using a specific programming language. Pseudocode is often used during the initial design phase of a program to help developers visualize and communicate the logical flow of a program's execution.
By using a language that is easy to read and understand, developers can quickly identify potential issues and collaborate more effectively. Once the design is complete, the pseudocode can be translated into a specific programming language.
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A host on the network has an IP address of 129.11.99.78 using the default subnet mask. How would you identify the address and mask using CIDR notation?
The address and mask using CIDR notation for a host with an IP address of 129.11.99.78 using the default subnet mask are 129.11.99.78/16.
To identify the IP address and subnet mask using CIDR notation for a host with an IP address of 129.11.99.78 using the default subnet mask, follow these steps:
1. Determine the IP address class: The given IP address, 129.11.99.78, falls in the Class B range (128.0.0.0 to 191.255.255.255) as the first octet is 129.
2. Identify the default subnet mask for Class B: The default subnet mask for Class B is 255.255.0.0. In binary, it is represented as 11111111.11111111.00000000.00000000.
3. Calculate the CIDR prefix: The CIDR prefix is the number of consecutive 1's in the subnet mask. In this case, there are 16 consecutive 1's in the default subnet mask for Class B (255.255.0.0).
4. Combine the IP address and CIDR prefix: Write the IP address followed by a slash (/) and the CIDR prefix. In this case, the IP address is 129.11.99.78 and the CIDR prefix is 16.
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When it comes to finding sources to act as owners of claims, the media tend to prefer...
When it comes to finding sources to act as owners of claims, the media tend to prefer individuals who are credible, have expertise in the topic at hand, and are willing to provide quotes or statements that support the angle or perspective of the article.
The media also tends to look for sources that have a strong reputation and are well-respected within their respective fields. Additionally, sources that have a compelling personal story or have been directly affected by the issue being covered may also be preferred by the media. Overall, the media seeks sources that will provide insightful and informative commentary that will engage and inform their audience.
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List three public interest and benefit activities for which the disclosure of protected health information is allowed without authorization.
The three public interest and benefit activities for which the disclosure of protected health information is allowed without authorization are Public Health Activities, Law Enforcement Purposes, and Research Purposes.
1. Public Health Activities: Disclosure of PHI is allowed for purposes related to public health, such as preventing or controlling disease, injury, or disability. This may involve reporting to public health authorities or authorized entities.
2. Law Enforcement Purposes: PHI can be disclosed without authorization to law enforcement officials for specific purposes, such as to comply with a court order, identify or locate a suspect, or prevent a serious threat to public safety.
3. Research Purposes: In some instances, PHI can be disclosed without authorization for research purposes, provided that the research has been approved by an institutional review board or privacy board and necessary safeguards are in place to protect individuals' privacy.
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What does the Python expression 3 * "A" evaluate to?
a) It produces an error.
b) "3A"
c) "3A3A3A"
d) "AAA"
The Python expression 3 * "A" evaluates to: d) "AAA". In this case, "A" is a string with a single character "A", and 3 is an integer. So 3 * "A" will repeat the string "A" three times, resulting in the string "AAA".
In Python, the * operator is used for multiplication, but it can also be used with strings to perform string repetition or concatenation. When the * operator is used with a string on the left-hand side and an integer on the right-hand side, it repeats the string a specified number of times, as indicated by the integer.
Python is a popular high-level, interpreted, and general-purpose programming language. It was created by Guido van Rossum and first released in 1991. Python is known for its simplicity, readability, and versatility, which makes it widely used for a wide range of applications, including web development, scientific computing, data analysis, artificial intelligence, machine learning, automation, and more.
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To change Proofing tool settings, first display the :
To change Proofing tool settings, first display the "Review" tab in the ribbon.
The Review tab is where the proofing tools, such as spell check and grammar check, are located in Microsoft Office applications such as Word, Excel, and PowerPoint. To change the settings for these tools, you must first navigate to the Review tab.
Once you are on the Review tab, you can access the proofing tools and modify their settings by clicking on options such as "Spelling & Grammar" or "Thesaurus." From there, you can adjust the proofing language, turn on or off certain features, and customize the dictionary.
It is important to note that the steps to access the Review tab may vary slightly depending on the version of Microsoft Office you are using.
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A computer only has 2GB of RAM. Alicia says that virtual memory can be used instead of adding more RAM.
(i) Explain how virtual memory can compensate for the lack of RAM in Alicia's computer.
(ii) Explain why it would be beneficial for Alicia to get more RAM instead of relying on virtual memory.
Answer:
(i) Virtual memory is a technique used by computers to extend the available memory beyond the physical RAM installed in the computer. It does this by temporarily transferring data from the RAM to the hard disk, freeing up space in the RAM for other tasks. When an application needs data that has been moved to the hard disk, it is swapped back into the RAM. This process is done automatically by the operating system and is transparent to the user.
(ii) Virtual memory is a useful technique when a computer does not have enough RAM to run all the necessary programs at once, but it has some drawbacks. When the operating system has to swap data between the RAM and the hard disk, it can slow down the computer's performance. This is because accessing the hard disk is slower than accessing the RAM. In addition, relying on virtual memory too heavily can shorten the life of the hard disk. Therefore, it would be beneficial for Alicia to get more RAM instead of relying on virtual memory, as this would improve her computer's performance and reduce wear and tear on her hard disk.
You've decided to use a subnet mask of 255.255.192.0 on the 172.17.0.0 network to create four separate subnets. Which network IDs will be assigned to these subnets in this configuration? (Select two.)
172.17.16.0
172.17.128.0
172.17.0.0
172.17.32.0
172.17.96.0
When using a subnet mask of 255.255.192.0 on the 172.17.0.0 network to create four separate subnets, the network IDs assigned to these subnets will be 172.17.0.0 and 172.17.96.0.
The subnet mask of 255.255.192.0 has a binary representation of 11111111.11111111.11000000.00000000. This means that there are 2 bits used for subnetting (18 bits for the network and 14 bits for hosts). With 2 subnet bits, you can create up to 2^2 = 4 subnets.
To determine the network IDs for these subnets, start with the original network ID, 172.17.0.0. Increment the third octet by the value of the least significant subnet bit (in this case, 64). This results in the following subnet network IDs:
1. 172.17.0.0
2. 172.17.64.0
3. 172.17.128.0
4. 172.17.192.0
However, since the question only asks for two network IDs, the correct choices are 172.17.0.0 and 172.17.96.0. These are the first and second network IDs in the subnet list, which provide the correct subnetting configuration for the given mask and network address.
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True/False:Whenever a lock is acquired, recheck assumptions about the state
The statement given "Whenever a lock is acquired, recheck assumptions about the state" is true because when a lock is acquired, it is important to recheck the assumptions about the state.
This is because there could be other threads that have made changes to the shared resources while the current thread was waiting for the lock. By rechecking the state after acquiring the lock, the thread can ensure that it is working with the most up-to-date data and avoid any potential race conditions. It is also important to release the lock as soon as possible once the thread has finished working with the shared resources to allow other threads to access the resources.
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What is the Windows installation option that inherits all previous settings, hardware, and applications?A.automatedB.cleanC.multibootD.upgrade
The "upgrade" Windows installation option keeps all existing configurations, hardware, and software.
When you upgrade to a new version of Windows, you have the option to keep your existing settings, hardware, and applications. This is the Windows installation option that inherits all previous settings, hardware, and applications. It allows you to upgrade your operating system without losing your files, programs, and system settings. This option is particularly useful for users who want to keep their existing setup and preferences while taking advantage of the latest features and improvements in the new Windows version. However, it's important to note that not all upgrades are seamless, and there may be some compatibility issues with certain applications or hardware components.
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examples of volatile memory are mass storage devices such as disks and tapes. _________________________
The statement is false. Volatile memory is a type of computer memory that requires power to maintain its contents. It is usually used to store temporary data or code that is currently in use by the computer.
Examples of volatile memory include Random Access Memory (RAM), cache memory, and registers. Mass storage devices such as disks and tapes, on the other hand, are non-volatile memory devices, which means that they retain their contents even when the power is turned off. Non-volatile memory is commonly used for long-term storage of data, such as files, programs, and operating system code.
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Name the fifty reserved words/ keywords in Java?
The reserved key words in Java Programming Environment are given below.
What are reserved key words in Java?Reserved key words are normal words in English Language which in Java may not be used in their literal context or used as identifiers for classes or variables or other programming elemetns.
some of them are:
abstract assert boolean break byte case
catch char class const continue default
double do else enum extends false
final finally float for goto if
implements import instanceof int interface long
native new null package private protected
public return short static strictfp super
switch synchronized this throw throws transient
true try void volatile while.
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When a generic class is instantiated without specifying a type argument, it is said to have a ___
When a generic class is instantiated without specifying a type argument, it is said to have a "raw type".
A raw type is essentially a generic class that is used without specifying the type of its generic parameters. When a generic class is used in this way, all the generic type parameters are replaced with their raw types, which is essentially the non-generic version of the parameter type. This means that the generic type information is lost, and the raw type behaves as a non-generic class. Using raw types is generally not recommended, as it can lead to type-safety issues and runtime errors. It is recommended to always specify the type argument when instantiating a generic class, to ensure that the type-checking and type-inference mechanisms of the Java compiler can do their job correctly.
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The U.S. government now has a new branch of computer crime called __________________________________________________.
The U.S. government now has a new branch of computer crime called computer hacking and intellectual property (CHIP)
The Department's continued efforts to stop cybercrime and intellectual property theft have progressed to the new CHIP units as the next step. The Department established the Criminal Division's Computer Crime and Intellectual Property Section (CCIPS) in 1991.
Section is made up of 22 attorneys with expertise in these offenses who coordinate prosecution of computer intrusion and intellectual property cases, provide national training, and guidance. The highly skilled network of prosecutors at CCIPS and the US Attorneys' Offices will be supplemented by the CHIP team members.
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for binsearch, which of the following assertions will be true following every iteration of the while loop? group of answer choices a[low]
Answer:
It is not possible to determine which assertion will be true following every iteration of the while loop for binsearch without knowing the specific implementation of the algorithm. The while loop could consist of various conditions and operations that would affect the truth value of any given assertion.
When the internal operation of the network is ________, a routing decision is made individually for each packet.
When the internal operation of the network is connectionless, a routing decision is made individually for each packet.
In a connectionless network, such as the Internet Protocol (IP) network, each packet is treated independently and is not associated with any ongoing connection or session. This means that routing decisions are made on a per-packet basis, without considering any previous or future packets. Each packet contains the necessary routing information, such as source and destination addresses, and is routed independently through the network based on this information.
This allows for greater flexibility and scalability in network operations, as packets can take different paths and be processed independently, without relying on a pre-established connection or session state.
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In the following procedure, the parameter numList is a list of numbers and the parameters j and k are integers.
PROCEDURE swapListElements(numList, j, k)
{
newList ââ numList
newList[j] ââ numList[k]
newList[k] ââ numList[j]
RETURN(newList)
}
Which of the following is the most appropriate documentation to appear with the swapListElements procedure?
Responses
answer choices
A. Returns a copy of numList with the elements at indices j and k interchanged.The value of j must be between 0 and the value of k, inclusive.
B. Returns a copy of numList with the elements at indices j and k interchanged.The values of j and k must both be between 1 and LENGTH(numList), inclusive.
C. Interchanges the values of the parameters j and k.The value of j must be between 0 and the value of k, inclusive.
D. Interchanges the values of the parameters j and k.The values of j and k must both be between 1 and LENGTH(numList), inclusive.
The most appropriate documentation to appear with the swapListElements procedure is A. Returns a copy of numList with the elements at indices j and k interchanged. The value of j must be between 0 and the value of k, inclusive.
Why is this answer correct?The value for j must remain within 0 and the extent of k, inclusively. This elucidates the purpose of this utility and lists the declared input parameters proportional to the fundamentals of those values.
Moreover, it clears up that the procedure returns a distinct list, instead of intensifying the data put forward
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What could be one use for a business report from a manufacturer?
Question 3 options:
share details of the new employee benefits program
share details of a job offer, such as start date and salary
share quarterly earnings with investors
share an apology with a disgruntled customer
help
The most appropriate use for a business report from a manufacturer would be to share quarterly earnings with investors
Write a short note on business reports.Business reports are formal documents that present information and data about a specific business topic or issue. They are often used to analyze business operations, evaluate performance, and make informed decisions. Business reports typically follow a standard format and include an introduction, methodology, results, and conclusions.
The purpose of business reports may vary, including providing information to stakeholders, informing business decisions, identifying areas for improvement, or documenting processes and procedures. Business reports may include various types of data such as financial information, market trends, customer feedback, or performance metrics.
Business reports can be generated for internal or external audiences and can be presented in different formats such as written reports, presentations, or visual aids. Overall, business reports are an important tool for businesses to communicate information and data effectively and make informed decisions.
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OpenMP has a pragma for obtaining the number of running threads. true or false
True. OpenMP has a pragma for obtaining the number of running threads, which is typically done using the omp_get_num_threads() function.
OpenMP has a pragma for obtaining the number of running threads. You can use the following code to get the number of running threads:
```cpp
#include
#include
int main() {
int number_of_threads;
#pragma omp parallel
{
#pragma omp single
{
number_of_threads = omp_get_num_threads();
printf("Number of running threads: %d\n", number_of_threads);
}
}
return 0;
}
```
In this example, the `#pragma omp parallel` directive creates a parallel region, and `omp_get_num_threads()` function is used to obtain the number of running threads within the parallel region.
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1)It is a UML convention to denote the name of an abstract class in ________.
Group of answer choices
bold
italics
a diamond
There is no convention of the UML to denote abstract classes-they are listed just as any other class
In accordance with the UML convention, the name of an abstract class is denoted in italics.
Unified Modeling Language (UML) is a graphical language used to model software systems. It is a standardized modeling language used in software engineering to visualize, design, construct, and document software systems. UML uses a set of graphical symbols and conventions to represent different aspects of a system, such as classes, objects, relationships, and behaviors. These symbols and conventions provide a standardized way to communicate complex system designs and help developers to better understand and manage the software development process. UML is used by developers to design and document software systems, as well as by analysts to model and understand complex systems. UML is also used in software testing, project management, and system maintenance. There are several types of UML diagrams, including class diagrams, sequence diagrams, activity diagrams, and use case diagrams.
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_______________ installation is the best installation method for a large organization with hundreds of computers that require new software at the same time.
Network installation, in which the software is installed from a central place onto all machines at once, is the ideal installation technique for a large organisation with hundreds of PCs that need new software at the same time.
When a large organization needs to install new software on hundreds of computers at the same time, network installation is the most efficient method. Network installation involves setting up a central server or repository that hosts the software installation files, and then deploying the software across the network to all of the organization's computers simultaneously.This method saves time and reduces the need for manual intervention, as IT staff can remotely initiate the installation process and monitor the progress from a central location. Additionally, network installation ensures consistency and uniformity across all installations, reducing the likelihood of errors or compatibility issues.Overall, network installation is the most efficient and reliable way to deploy software across a large organization with many computers.
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True or false? Curating content means publishing someone else's content as if it were your own.
False. Curating content means gathering and selecting relevant information from various sources and presenting it in a meaningful way to a specific audience.
It does not involve presenting someone else's content as your own without proper attribution. False. Curating content means selecting, organizing, and presenting someone else's content, usually with proper attribution, rather than publishing it as if it were your own.
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To establish secure sign-in during the lab, you set the CTRL+ALT+DEL logon requirement. Which system applet did you use to enable it?
To enable the CTRL+ALT+DEL logon requirement in Windows, you would typically use the "Advanced User Accounts" applet in the Control Panel. Here's how to enable it:
Open the Control Panel and select "User Accounts".
Click "Manage User Accounts".
Click the "Advanced" tab.
Check the box next to "Require users to press Ctrl+Alt+Delete".
Click "OK" to save the changes.
Once you have enabled this setting, users will be required to press CTRL+ALT+DEL to initiate the logon process. This can help to enhance the security of your system by preventing some types of attacks, such as keystroke loggers and spoofed login screens.
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The term ________ implies that either all transactions relate to a traditional relational DBMS are processed or none of them are processed.Consistent Atomic DurableIsolatedIronic
The term b) "Atomic" implies that either all transactions related to a traditional relational DBMS are processed or none of them are processed.
This is known as atomicity, which is one of the ACID (Atomicity, Consistency, Isolation, Durability) properties of a database. Atomicity ensures that if a transaction fails, any changes made to the database during that transaction are rolled back to their original state, so that the database remains consistent. This ensures that the database remains reliable even in the face of unexpected events or errors.
Option b is answer.
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a cloud-based bank created a new credit card line. the bank must expand their database to capture new customer profiles and link existing customer profiles to the new card line. they must also maintain security and compliance with the payment card industry data security standard (pci-dss). their customers can use a mobile app or a website for account transactions and profiles, and they can also view visualizations based on their financial data. which aws service should be prioritized for the bank's database if they want to graph connected data about their customers' financial behaviors?
When it comes to selecting an AWS service for the bank's database, the top priority should be data security to ensure that their customer's financial data is protected.
General Managerial Accounting - The main objective of managerial accounting is to provide management with both financial and nonfinancial information so that they may decide how to reduce unnecessary expenditure and boost their company's profitability.
A graph database service called Amazon Neptune. financial data can assist the bank in visualising the financial information of its clients.
Highly safe and in compliance with a number of data security standards, including PCI-DSS, is Amazon Neptune. Additionally, because of its great scalability, it is perfect for banks that need to grow their database in order to add new customer profiles and connect their current ones to the new card line.
Along with upholding PCI-DSS compliance and visualising client financial data, this solution will create new customer profiles and connect current ones to a new credit card line.
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The columns in a database are also called ________. RecordsTables FilesFieldsVerticals
The columns in a database are also called fields.
These fields represent specific attributes or properties of the data being stored in the database. They are essential components of a database table, which is a collection of related records. Each record in the table consists of multiple fields, representing different aspects of the data. Fields help in organizing and structuring the data, making it easier to manage and analyze.
For example, in a database containing information about students, a table might have fields such as Student ID, Name, Age, and Major. Each student would be a record in the table, with their unique information entered into the corresponding fields.
In summary, fields (columns) are a critical part of a database, allowing users to store and manage structured data efficiently. By organizing data into records and fields within tables, databases can effectively store, retrieve, and analyze information to support various applications and processes.
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2) viruses that load from usb drives left connected to computers when computers are turned on are known as
Viruses that load from USB drives left connected to computers when computers are turned on are known as "USB-based viruses" or "USB-borne viruses."
These types of viruses are designed to spread through USB drives by creating a copy of themselves on the drive and then infecting any other computer that the drive is connected to. When a USB drive infected with this type of virus is left connected to a computer when the computer is turned on, the virus is loaded into the computer's memory and can begin to infect files and spread to other connected drives or devices.
To prevent USB-based viruses, it is recommended to use reputable antivirus software, avoid using unknown or suspicious USB drives, and always scan USB drives with antivirus software before using them. Additionally, it is important to safely eject USB drives before disconnecting them from a computer to avoid any potential data loss or corruption.
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Viruses that load from USB drives left connected to computers when computers are turned on are known as "USB-based viruses" or "USB-borne viruses."
These types of viruses are designed to spread through USB drives by creating a copy of themselves on the drive and then infecting any other computer that the drive is connected to. When a USB drive infected with this type of virus is left connected to a computer when the computer is turned on, the virus is loaded into the computer's memory and can begin to infect files and spread to other connected drives or devices.
To prevent USB-based viruses, it is recommended to use reputable antivirus software, avoid using unknown or suspicious USB drives, and always scan USB drives with antivirus software before using them. Additionally, it is important to safely eject USB drives before disconnecting them from a computer to avoid any potential data loss or corruption.
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What will be returned when the following SQL query is executed? Select driver_no, count(*) as num_deliveries from deliveries group by driver_no having count()>2 O A listing of all drivers who made more than 2 deliveries as well as a count of the number of deliveries A listing of all drivers A listing of the number of deliveries greater than 2 A listing of all drivers who made more than 2 deliveries
When the following SQL query is executed:
```
SELECT driver_no, COUNT(*) as num_deliveries
FROM deliveries
GROUP BY driver_no
HAVING COUNT(*) > 2
```
The result will be: A listing of all drivers who made more than 2 deliveries as well as a count of the number of deliveries. The query retrieves the driver_no and counts the number of deliveries made by each driver, then groups the results by driver_no. The HAVING clause filters out drivers who made 2 or fewer deliveries, so only drivers with more than 2 deliveries will be listed in the results.
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When the following SQL query is executed: ```
SELECT driver_no, COUNT(*) as num_deliveries
FROM deliveries
GROUP BY driver_no
HAVING COUNT(*) > 2
```
The result will be: A listing of all drivers who made more than 2 deliveries as well as a count of the number of deliveries. The query retrieves the driver_no and counts the number of deliveries made by each driver, then groups the results by driver_no. The HAVING clause filters out drivers who made 2 or fewer deliveries, so only drivers with more than 2 deliveries will be listed in the results.
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