In which type of scan does an attacker scan only ports that are commonly used by specific programs? Select one: a. vanilla scan b. strobe scan c. random scan d. ping sweep

it could be argued that the modern civil rights movement gained prominence at a lunch counter at a

Woolworth's store in Greensboro, North Carolina, in 1960. On February 1, 1960, four African American college students - Ezell Blair Jr. (Jibreel Khazan), David Richmond, Franklin McCain, and Joseph McNeil - sat down at a "whites only" lunch counter at the Woolworth's store in Greensboro, North Carolina, and requested service. When they were refused service, they remained seated in protest, sparking a wave of sit-ins and protests throughout the country.

This event is considered a turning point in the civil rights movement because it inspired similar protests and boycotts across the United States, which led to changes in laws and policies that had enforced racial segregation and discrimination. The sit-in movement also inspired other nonviolent protests, such as the Freedom Rides and the March on Washington, which helped to bring national attention to the struggle for civil rights and eventually led to the passage of the Civil Rights Act of 1964 and the Voting Rights Act of 1965.

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A direct connection between a terminal and a mainframe computer is a point-to-point connection.

A point-to-point connection is a communication channel between two devices, such as a terminal and a mainframe computer, where data is transmitted directly between them. This type of connection is often used in situations where a dedicated, private connection is needed for secure and reliable data transfer.

In a point-to-point connection, the devices are connected using a physical cable, such as a serial cable or a network cable, and communication occurs in a bidirectional manner, meaning that data can be transmitted in both directions. This is in contrast to a multipoint connection, where multiple devices are connected to a common communication channel, and data is transmitted to all devices simultaneously.

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The maximum number of users that can be supported by the Essentials edition of Windows Server 2012 is "25".

Windows Server 2012 Essentials is designed for small businesses with up to 25 users and 50 devices. It is a server operating system that provides various features such as file and print sharing, data backup and restore remote access, and email functionality. While it has a limitation on the number of users that can be supported, it still provides essential features required by small businesses at an affordable price point. For businesses with more than 25 users, other editions of Windows Server 2012 such as Standard and Datacenter can support more users and offer advanced features.

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X.Org Server (also known as X11 or simply X) is a freely available version of X Window System, a graphical user interface (GUI) used in many Linux distributions.

X.Org Server, commonly referred to as X11 or simply X, is a freely available and open-source implementation of the X Window System used in many Linux distributions.

X provides the basic framework for graphical user interface (GUI) environments in Unix-like operating systems, including window management, event handling, and input handling. It allows applications to draw and interact with windows, buttons, menus, and other graphical elements on the screen.

X11 is highly customizable and supports a wide range of graphics hardware, making it a popular choice for desktop and server applications.

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The software that makes the benefits of cloud computing possible, including multi-tenancy, is virtualization software.

Virtualization software plays a crucial role in enabling cloud computing by abstracting the physical infrastructure and creating virtual resources that can be shared among multiple users or tenants. It allows for the creation of virtual machines (VMs) or containers that can run multiple operating systems or applications on a single physical server. This enables the efficient utilization of hardware resources, scalability, and the isolation of different tenants' data and applications.

By leveraging virtualization software, cloud service providers can offer the benefits of multi-tenancy, where multiple customers or organizations can securely share the same underlying infrastructure while maintaining logical separation. This helps to optimize resource utilization, reduce costs, and provide scalability and flexibility for cloud-based services.

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The correct answer to the question is b. narrative. A narrative refers to the sum of stories about a set of ties that exist between people.

These stories may include personal experiences, shared history, and anecdotes that highlight the nature of the relationships between individuals. A social network, on the other hand, refers to the actual connections and interactions between people, often visualized as a web of nodes and links. Uniplex and multiplex ties refer to the complexity of relationships, with uniplex ties being simple and one-dimensional and multiplex ties being more complex and multi-dimensional.

In the context of social relationships and community building, narratives play a critical role in shaping our understanding of ourselves and our place in the world. Stories help to connect us to one another and to the larger social and cultural contexts in which we exist. They help us to make sense of our experiences and to find meaning in the relationships and interactions we have with others. As such, narratives are an important tool for building and maintaining strong, healthy, and resilient communities. By sharing our stories and listening to the stories of others, we can build deeper connections and develop a greater sense of empathy, compassion, and understanding.

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True. 0010 0001 is an example of the ASCII coding of a letter in the alphabet.

ASCII (American Standard Code for Information Interchange) is a character encoding standard that assigns numerical values to letters, digits, punctuation marks, and control characters. In ASCII, each character is represented by a unique 7-bit binary code. In this case, the binary code 0010 0001 represents the decimal value 33. According to the ASCII table, decimal value 33 corresponds to the character '!'. While '!' is not a letter in the alphabet, the given binary code demonstrates the concept of ASCII encoding for characters. Other examples include 'A' represented by 0100 0001 (65 in decimal) and 'a' represented by 0110 0001 (97 in decimal).

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The indicator strip and the gas generator in the GasPak system serve different purposes:

- The "indicator strip" is used to confirm the presence of an anaerobic environment inside the GasPak chamber. The strip contains a chemical indicator that changes color when oxygen is removed from the environment, indicating that the chamber is ready to be used. This is important because many types of bacteria require an anaerobic environment to grow, and the GasPak system is commonly used to cultivate and culture anaerobic bacteria.

- The "gas generator" is used to generate the anaerobic environment inside the GasPak chamber. The generator contains a mixture of sodium borohydride and sodium bicarbonate, which reacts with water to produce hydrogen gas. The hydrogen gas then reacts with oxygen in the chamber, effectively removing it and creating an anaerobic environment. This process is essential for maintaining the anaerobic conditions required for growing certain types of bacteria. Together, the indicator strip and the gas generator allow the GasPak system to create and maintain a stable anaerobic environment for bacterial growth and other scientific applications.

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The wireless spectrum, as defined by the FCC (Federal Communications Commission), spans frequencies between 9 kHz and 300 GHz.

The wireless spectrum, as defined by the FCC (Federal Communications Commission) spans frequencies between 9 kHz and 300 GHz.

It is the range of frequencies that can be used for wireless communication, including radio, television, cellular communication, Wi-Fi, and many other types of wireless technologies.

The FCC regulates the wireless spectrum to ensure that different wireless devices can coexist without interfering with each other, and to ensure that the spectrum is used efficiently.

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The name of the "last name" column in the results of the function rename with(employees, tolower) would be "last name".

In the output of the rename with(employees, tolower) function, the "last name" column will remain as "last name", since the use of tolower() merely converts the letters to a lowercase font but does not change the titled appellation.

If wishing to alter the spelled out moniker of the "last name" column to all lower case letters, that would necessitate employing the rename() function in conjunction with the tolower() function for the designated column, as per the following usage:

rename(employees, `last name` = tolower(`last name`))

This would rename the "last name" column to "last name" in lower case.

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The feature is called "Plug and Play." It allows a new device to be automatically recognized by a computer without the need for manual driver installation.

Plug and Play is a technology that simplifies the process of adding new hardware to a computer system. It enables a device to communicate with the computer and be recognized as soon as it is plugged in. The computer can then automatically configure and install the necessary drivers without user intervention. This feature has greatly improved the user experience when adding new hardware and has eliminated the need for users to search for and manually install drivers. Plug and Play is now a standard feature on most modern operating systems, including Windows and macOS.

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The best graphic aid to show Starbuck's quarterly sales over a 5-year period would be a line graph.

A line graph is an excellent choice for tracking trends over time, making it ideal for showing sales figures. The horizontal x-axis could represent the quarterly periods, while the vertical y-axis would show the sales figures. Using different colors or patterns for each year can help to differentiate between them. A line graph also allows for easy comparison between different years, and it can reveal any patterns or fluctuations in sales over time. Therefore, a line graph is the most appropriate graphic aid for showing Starbuck's quarterly sales over a 5-year period.

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When fully engaging NAP (Network Access Protection) for remediation enforcement, the mode that is used is c. enforcement. NAP is a feature in Microsoft Windows Server that allows administrators to set policies that enforce compliance with system health requirements for network access.

The enforcement mode allows the NAP server to block or restrict access to non-compliant computers until the issues are resolved. This mode ensures that only healthy and compliant devices are allowed to access the network resources. The assessment mode, on the other hand, is used to evaluate the compliance status of client computers without enforcing any restrictions or blocking access to the network. It provides a way for administrators to evaluate the current state of client computers before enforcing NAP policies.

The compliment and isolation modes are not related to NAP enforcement. The compliment mode is used for compatibility with existing network security systems, while the isolation mode is used to isolate non-compliant computers from the network without actually enforcing compliance. In summary, when fully engaging NAP for remediation enforcement, the policy is placed in the enforcement mode, which allows the NAP server to block or restrict access to non-compliant computers until the issues are resolved.

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The programmer should use a function to define the set of mathematical operations that need to be used several times in a program. By defining a function, the programmer can encapsulate the set of operations, which can then be called repeatedly from various parts of the program. This approach can help to reduce the amount of code that needs to be written, and it can also make the code more modular and easier to maintain.

For example, if the set of mathematical operations involved computing the sum of two numbers and returning the result, the programmer could define a function like this:

arduino

int add(int a, int b) {

   return a + b;

}

This function can then be called multiple times from different parts of the program, like this:

csharp

int x = add(5, 3);

int y = add(7, 9);

This approach helps to avoid c

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Getting a hash value with a computer forensics tool is much faster and easier than with a hexadecimal editor.

When working with hash values, it's important to have a tool that can quickly and efficiently generate the value. A computer forensics tool (option c) is specifically designed to work with hash values, making it much faster and easier to use than a hexadecimal editor (option b). A hexadecimal editor is not optimized for this task, making it less efficient. While hash values can be generated using various methods, some methods are faster and easier than others.

In summary, using a computer forensics tool is the best choice for generating hash values quickly and easily.

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Text is frequently added to buttons, logos, banners, and other web page graphics.

This text can be used to label the button or provide more information about the logo or banner. It is important for the text to be clear and concise so that users can quickly understand what action the button will perform or what information the graphic is conveying. Additionally, text can be used to improve the accessibility of web pages by providing alternative text descriptions for users who are visually impaired and use screen readers. By including text in web page graphics, designers can enhance the user experience and ensure that their content is easily understood by all users.

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An allocation unit, also known as a cluster, is indeed the smallest unit of disk space that stores data and information in a file system.

When data is stored on a disk, it is organized into clusters or allocation units. Each allocation unit represents a fixed amount of disk space and is used to allocate and store data. The size of an allocation unit can vary depending on the file system and the configuration of the disk. When a file is saved to a disk, it occupies one or more allocation units depending on its size. The file system keeps track of the allocation units used by each file, allowing the operating system to locate and retrieve the data when needed. The choice of allocation unit size can impact disk space utilization and performance. A smaller allocation unit size can provide better space utilization for smaller files but may result in increased overhead and slower performance. On the other hand, a larger allocation unit size can improve performance for larger files but may waste space for smaller files.

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To output even values between -10 and 10 (inclusive), we can use a loop that iterates over all the integers between -10 and 10 and checks if they are even. To check if a number is even, we can use the modulo operator `%` which returns the remainder of a division operation.

If a number is even, the remainder of dividing it by 2 will be 0.

Therefore, we can write a loop that starts at -10 and goes up to 10, checking each number if it's even. If a number is even, we can print it to the console.

Here's an example of how the code would look like:

```python
for i in range(-10, 11):
   if i % 2 == 0:
       print(i)
```

In this code, `range(-10, 11)` generates a sequence of numbers from -10 to 10 (inclusive). The `if` statement checks if the c`i` is even by using the modulo operator `%`. If the remainder of dividing `i` by 2 is 0, the number is even and gets printed to the console.

By using this code, we can output all even values between -10 and 10, which are: -10, -8, -6, -4, -2, 0, 2, 4, 6, 8, and 10.

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To determine the address of a[3][7] in the given C declaration, we need to consider the size of each element in the array and the layout of the multidimensional array in memory.

The size of the structure struct { int n; char c; } is composed of an int (typically 4 bytes on a 64-bit x86 machine) and a char (typically 1 byte). Therefore, the total size of the structure is 5 bytes.

Since a is declared as a[10][10], it represents a 2-dimensional array with dimensions 10x10. Each element of the array is a structure of size 5 bytes.

Given that the address of a[0][0] is 1000, we can calculate the address of a[3][7] as follows:

The offset from a[0][0] to a[3][0] is (3 * 10 + 7) * sizeof(struct { int n; char c; }).

(3 * 10 + 7) calculates the linear index of the element in the 2-dimensional array.

sizeof(struct { int n; char c; }) gives us the size of each element in the array.

Assuming sizeof(struct { int n; char c; }) is 5, we can calculate the address of a[3][7] as:

Address of a[3][7] = Address of a[0][0] + Offset

Address of a[3][7] = 1000 + (3 * 10 + 7) * 5

Address of a[3][7] = 1000 + 185

Address of a[3][7] = 1185

Therefore, the address of a[3][7] is 1185.

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Microsoft Windows is installed on more than 75% of the world's personal computers.

This dominance is due to the fact that Microsoft Windows was one of the first operating systems to be widely adopted in the personal computer market and has continued to evolve and improve over the years. Additionally, Microsoft has a strong presence in the business world, where Windows is the standard operating system for many organizations.

Microsoft Windows has dominated the market share of operating systems for personal computers for many years. It is estimated that Windows is installed on over 75% of PCs worldwide, making it the most widely used operating system. This is due to factors like user familiarity, application compatibility, and strong corporate adoption.

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To create an inheritance code in C# for the given scenario, we can define a base class "Data" which encapsulates an integer array x. Then, we can define two derived classes, "DataA" and "DataB", which inherit from the base class "Data".
To acquire the array x through dependency injection, we can pass it as a parameter to the constructor of the base class. This parameterized constructor can be defined in the base class "Data", and the derived classes "DataA" and "DataB" can call this constructor using the "base" keyword.
Here is the code for the three classes with array x acquired from dependency injection:

```
public class Data
{
   protected int[] x;

   public Data(int[] arr)
   {
       x = arr;
   }
}

public class DataA : Data
{
   public DataA(int[] arr) : base(arr)
   {
       // constructor logic for DataA
   }
}

public class DataB : Data
{
   public DataB(int[] arr) : base(arr)
   {
       // constructor logic for DataB
   }
}
```

This inheritance code creates a base class "Data" with a parameterized constructor to acquire the integer array x through dependency injection. It also defines two derived classes "DataA" and "DataB" which inherit from the base class and call the base class constructor using the "base" keyword.
To create an inheritance code in C# for classes Data, DataA, and DataB, with DataA and DataB inheriting from Data, and a constructor for each class using dependency injection for the integer array x, you can use the following code:
```csharp
public class Data
{
   protected int[] x;

   public Data(int[] x)
   {
       this.x = x;
   }
}

public class DataA : Data
{
   public DataA(int[] x) : base(x)
   {
   }
}

public class DataB : Data
{
   public DataB(int[] x) : base(x)
   {
   }
}
```

In this code, Data is the base class with a constructor that accepts an integer array x. DataA and DataB inherit from Data, using the base keyword to pass x to the base class constructor.

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The 802.11g wireless standard has several characteristics that distinguish it from other wireless standards. Three of these characteristics include:

a. Maximum bandwidth of 54 Mbps: The 802.11g standard offers a higher maximum bandwidth compared to its predecessor, 802.11b, which has a maximum bandwidth of 11 Mbps. This increased bandwidth allows for faster data transfer and improved overall network performance.

b. Operates in the 2.4 GHz range: Like the 802.11b standard, 802.11g operates in the 2.4 GHz frequency range. This allows for a wider compatibility with various devices and wireless equipment. However, it also makes the standard more susceptible to interference from other devices operating in the same frequency range, such as microwave ovens and cordless phones.

c. Backwards compatible with 802.11b devices: One of the major advantages of the 802.11g standard is its backwards compatibility with 802.11b devices. This means that users with existing 802.11b equipment can upgrade to 802.11g without having to replace all of their existing hardware. This feature allows for a smoother transition to the newer standard and reduces costs associated with upgrading wireless networks.

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The answer to your question is b. Plain text or d. Simple text.

These terms refer to unformatted text that does not contain any additional styling, such as bold, italic, underline, or font color. Plain text is commonly used in email messages, word processing, and programming, where it is easier to manipulate and transfer data without any formatting. Simple text is also commonly used in digital communication, such as SMS and instant messaging, where formatting options are limited. Plain text can be easily converted to other formats, such as HTML, PDF, or RTF, which do allow for formatting. Overall, plain text and simple text are essential for efficient communication, as they provide a standardized, easily readable format that can be accessed and processed by any device or application.

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FHSS stands for Frequency Hopping Spread Spectrum, which is a method of transmitting radio signals. This method involves a transmitter hopping between different frequencies within a specific range in order to send data.

The transmitter uses a pseudorandom sequence to determine which frequency to transmit on at any given time. This makes it difficult for an outside party to intercept the signal, as they would need to know the specific sequence being used in order to accurately receive the transmission. The amount of time a FHSS station transmits on a single frequency is known as the "dwell time." This refers to the duration of time that a transmitter remains on a specific frequency before hopping to the next one. It is important to note that the dwell time may vary depending on the specific implementation of the FHSS system.

In summary, the amount of time a FHSS station transmits on a single frequency is called the "dwell time." This refers to the duration of time that a transmitter remains on a specific frequency before hopping to the next one. It is determined by the transmitter's pseudorandom sequence. Another important parameter to consider is the "hop time," which refers to the amount of time it takes for a FHSS transmitter to hop between two different frequencies. Both of these parameters are crucial for understanding the performance of a FHSS system.

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False. When using the IIF function in Microsoft Access or SQL Server, each part of the function is separated by a comma, not a colon.

The syntax for the IIF function is as follows: IIF(condition, value_if_true, value_if_false). The condition is evaluated, and if it is true, the value_if_true is returned, otherwise, the value_if_false is returned. It is important to note that the IIF function is not available in all programming languages or database systems. When using the IIF function, each part of the function is not separated by a colon. Instead, each part of the IIF function is separated by a comma.

The IIF function has three parts: the condition, the value if true, and the value if false, and the syntax is as follows: IIF(condition, value_if_true, value_if_false).

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True, many apps are designed specifically for a particular operating system or platform, such as iOS or Android.

This means that they may not be compatible with other types of mobile devices that use a different operating system or platform. Therefore, the statement "Many apps are written for a particular type of mobile device and will not run on other types" is true.

Many apps are specifically designed for a particular type of mobile device, and they may not run on other types. This is because different devices use distinct operating systems, such as Android or iOS, which have unique programming requirements. Developers often tailor their apps to match the capabilities and specifications of a specific platform, leading to compatibility issues when attempting to use the app on an alternate device.

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A. ISDN and C. PSTN are the two common types of circuit-switched WAN technologies.

ISDN (Integrated Services Digital Network) is a digital circuit-switched WAN technology that provides high-speed transmission of voice, video, and data over traditional copper telephone lines. It uses a dedicated, point-to-point connection between two devices and provides a fixed bandwidth.

PSTN (Public Switched Telephone Network) is a circuit-switched WAN technology that uses traditional copper telephone lines to transmit voice and data over long distances. It provides a reliable and widely available communication network and is commonly used for voice communication.

DSL (Digital Subscriber Line), ATM (Asynchronous Transfer Mode), and Frame Relay are packet-switched WAN technologies, which use shared network resources to transmit data in packets.

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The 802.11n standard specifies two guard interval options: 400 nanoseconds (ns) and 800 ns. The choice of guard affects the symbol duration and the number of samples used to transmit each symbol.

In the case of 64-QAM modulation used by 802.11n HT (High Throughput) devices to achieve a maximum data rate of 600 Mbps, the standard specifies the use of the 800 ns guard interval.

This is because the 800 ns guard interval provides more robust protection against multipath fading and echoes compared to the 400 ns guard interval, which is better suited for lower data rates.

It's worth noting that the latest Wi-Fi standard, 802.11ax (Wi-Fi 6), uses a new guard interval called the OFDM (Orthogonal Frequency Division Multiplexing) symbol duration (OFDM-SYM) guard interval, which is adaptive and can be dynamically adjusted to optimize performance in different environments.

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True. To specify the order in which query results should be listed, use the "sort by" clause. This clause allows you to sort the results by one or more columns, either in ascending or descending order.

By default, the results are listed in ascending order, but you can specify "desc" after the column name to sort the results in descending order.
For example, if you want to sort the results by the "name" column in descending order, you would use the following code:
SELECT * FROM table_name
ORDER BY name DESC;
This will list the results in alphabetical order by name, from Z to A.
To summarize, using the "sort by" clause is an effective way to specify the order in which query results should be listed. It allows you to sort the results by one or more columns, either in ascending or descending order, depending on your needs.

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The statement "cloud consumers can never ask cloud service providers about the physical locations of data centers." is false because cloud consumers have the right to know the physical location of data centers where their data is being stored.

In fact, it is recommended that cloud consumers should inquire about the location of data centers before signing up with any cloud service provider.

Knowing the physical location of data centers is important for several reasons. Firstly, it helps in ensuring compliance with local regulations, especially in cases where data sovereignty laws are in place. Some countries have strict regulations on data storage and processing, and organizations may face legal consequences if they violate these laws. Secondly, knowing the location of data centers can help in assessing the risk of natural disasters such as earthquakes, floods, or hurricanes, which could potentially disrupt data center operations and lead to data loss.

In addition to the physical location of data centers, cloud consumers may also want to know about the security measures in place to protect their data, such as encryption, access controls, and backup and recovery procedures. It is the responsibility of cloud service providers to be transparent about these aspects of their services and to provide the necessary information to their customers.

In conclusion, cloud consumers have the right to inquire about the physical location of data centers, and it is recommended that they do so to ensure compliance, assess risk, and make informed decisions about their cloud service providers.

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