stop-and-wait arq uses ___________ type of data flow.

Answers

Answer 1

Stop-and-wait ARQ uses sequential data flow, where the sender transmits a frame and waits for an acknowledgment before sending the next frame.

Stop-and-wait ARQ (Automatic Repeat Request) uses a sequential type of data flow. In this protocol, the sender transmits a single data frame and then waits for an acknowledgment (ACK) from the receiver before sending the next frame. The receiver, upon receiving a frame, sends an acknowledgment back to the sender indicating successful receipt. If the sender does not receive an ACK within a certain timeout period, it assumes that the frame was lost or corrupted and retransmits it. This sequential nature of data flow in stop-and-wait ARQ ensures reliable communication between the sender and receiver by allowing them to synchronize their transmission and reception of data frames.

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Related Questions

on august 1, the owner of a hardware store noticed that he was running low on half-inch carriage bolts and their corresponding nuts.

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On August 1, the hardware store owner noticed a low inventory of half-inch carriage bolts and their corresponding nuts.

What type of inventory shortage did the owner of the hardware store observe on August 1st regarding half-inch carriage bolts and their corresponding nuts?

On August 1st, the owner of the hardware store noticed a shortage or low inventory of half-inch carriage bolts and their corresponding nuts.

This means that the store had fewer quantities of these specific items available for sale compared to the demand or desired stock levels.

This observation prompted the owner to recognize the need for replenishing the inventory to meet customer demands.
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can i use windows 10 recovery disk on another computer

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No, you cannot use Windows 10 recovery disk on another computer.

Here's why:

Explanation:

When a user installs Windows on a computer, it gathers information about that computer, such as the hardware configuration and the drivers required for its hardware components. The Windows operating system is customized to that hardware configuration. Because of this, using a recovery disk that is meant for one computer on another computer is likely to result in errors. Using a recovery disk that is not designed for a specific computer is not recommended. Doing so could result in a variety of problems, such as driver incompatibility issues or software that doesn't work properly. The best option is to use a recovery disk that is designed for the specific computer in question, as this will ensure that it contains all the necessary drivers and software.

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Which of the following creates a vritual machine within a host OS? True/False

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The following creates a vritual machine within a host operating system (OS)  IS True.

Creating a virtual machine within a host operating system (OS) is a common practice in virtualization technology. A virtual machine (VM) is an emulation of a computer system that operates within the host OS. It allows the user to run multiple operating systems simultaneously on a single physical machine. The host OS provides the necessary resources and manages the virtualization process, enabling the creation and execution of virtual machines. By creating a virtual machine, users can utilize different operating systems, test software in isolated environments, and enhance resource utilization by running multiple virtual instances on a single physical server.

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Question

Which of the following creates a virtual machine requiring a host OS?True/FalseQuizlet

Teachers are also identified by an employee number and each has a name, age, subject specialty such as English (assume only one per teacher), and the year that they entered the school system. Teachers tend to move periodically from school to school and the school system wants to keep track of the history of which schools the teacher has taught in, including the current school. Included will be the year in which the teacher entered the school, and the highest pay rate that the teacher attained at the school. The school system wants to keep track of the universities that each teacher attended, including the degrees earned and the years in which they were earned. The school system wants to record each university’s name, address, year founded, and Internet URL (address). Some teachers, as department heads, supervise other teachers. The school system wants to keep track of these supervisory relationships but only for teachers’ current supervisors.

The school system also wants to keep track of the subjects that it offers (e.g. French I, Algebra III, etc.). Each subject has a unique subject number, a subject name, the grade level in which it is normally taught, and the year in which it was introduced in the school system. The school system wants to keep track of which teacher taught which student which subject, including the year this happened and the grade received.

2. The following entity-relationship diagram describes the business environment of Video Centers of Europe, Ltd., which is a chain of videotape and DVD rental stores. Write a verbal description of how VCE conducts its business, based on this E-R diagram.

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The school system keeps track of teachers' information, including their history, schools taught, universities attended, and supervisory relationships.

Video Centers of Europe conducts its business as a chain of rental stores, managing customer rentals, movie catalog, supplier inventory, and employee information. In the school system, teachers are identified by an employee number and have various attributes such as name, age, subject specialty, and the year they entered the system. The system keeps track of the teachers' history, including the schools they have taught in, the entry year, and the highest pay rate attained. Some teachers serve as department heads and supervise other teachers, and the system keeps track of these supervisory relationships for current supervisors only.  

In the case of Video Centers of Europe, Ltd., the business operates as a chain of videotape and DVD rental stores. The entity-relationship diagram represents various aspects of its business environment. Customers can rent multiple videos or DVDs, and the system tracks the rentals, due dates, and payments. The business also maintains a catalog of available movies and TV shows, including their titles, genres, and release years. Suppliers provide the company with video inventory, and the system tracks their deliveries.

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What is best available economically achievable technology?

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Best Available Economically Achievable Technology (BAEAT) refers to the most effective and economically feasible technology or practices for achieving environmental goals, taking into account cost, feasibility, and industry standards. BAEAT aims to strike a balance between environmental protection and economic considerations, promoting the adoption of advanced yet financially viable technologies or practices.

Best Available Economically Achievable Technology (BAEAT) refers to the technology or set of practices that provides the most effective environmental protection while considering the economic feasibility for implementation. BAEAT is often used in the context of environmental regulations and standards, where it aims to strike a balance between achieving environmental goals and minimizing the financial burden on industries or businesses.

The concept of BAEAT recognizes that complete elimination of environmental impacts may not be technically or economically feasible. Instead, it promotes the adoption of the most advanced and cost-effective technologies or practices that can reasonably reduce environmental impacts to an acceptable level. BAEAT takes into account factors such as costs, technological feasibility, and industry standards to determine the best available option for achieving environmental goals while considering economic viability.

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Which market or business model best describes azuremarketplace.microsoft.com? (visit the site and then decide) Select one: a. Peer to peer market b. Platform c. Ecosystem d. Two-sided market

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The business model that best describes azuremarketplace.microsoft.com is the Platform. When we go through the site, we can notice that it provides a platform where various software vendors and partners can publish their applications and services. It also enables customers to browse and deploy these apps on Microsoft Azure.

Azure Marketplace

Microsoft Azure is a cloud computing service provided by Microsoft. Azure Marketplace is an online marketplace created by Microsoft that offers various services for Microsoft Azure. It allows customers to browse, purchase, and deploy services and software applications that are certified to run on Microsoft Azure. There are more than 8,000 pre-built apps and services listed in the marketplace for customers to choose from.Azure Marketplace works on a platform business model.

In this model, Microsoft Azure Marketplace provides a platform for software vendors and partners to publish and sell their applications and services. They can reach a vast customer base by publishing their apps and services on the Azure Marketplace. Customers can browse the Marketplace and find the solutions they need to deploy and manage their cloud infrastructure.

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Define sewage, sewerage (sewer network), black water, brown water.

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Sewage refers to the waste materials and wastewater generated from domestic, commercial. Brown water refers to wastewater generated from sources other than toilets, such as sinks.Black water is a specific type of wastewater that contains human waste, typically from toilets.

Sewerage, also known as a sewer network, refers to the system of underground pipes, channels, and other infrastructure used to transport sewage and wastewater away from buildings and communities. Sewerage systems are designed to collect and convey the waste to treatment plants or other appropriate disposal locations.

Black water is a specific type of wastewater that contains human waste, typically from toilets, along with water from bidets and flushable wipes. It is called black water due to its high levels of contamination and potential health hazards. Black water requires careful handling and treatment due to the presence of pathogens and other harmful substances.

Brown water refers to wastewater generated from sources other than toilets, such as sinks, showers, washing machines, and dishwashers. It contains soaps, detergents, food particles, and other organic matter but does not include human waste. Brown water is generally less contaminated than black water, but it still requires treatment before being discharged into the environment to prevent pollution and protect public health.

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a ________can retrieve data from multiple fields in different tables in the data model

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In a database, tables are used to organize and store data. Often, related data is distributed across multiple tables to ensure data normalization and avoid duplication.

However, there are scenarios where you need to retrieve data that spans across multiple fields in different tables. This is where a join operation becomes crucial. A join operation combines rows from different tables based on a common field or column. The join condition specifies how the tables should be connected. The most common type of join is the inner join, which returns only the matching records from both tables. Other types include the left join, which returns all records from the left table and the matching records from the right table, and the right join, which does the opposite.

Joins can involve multiple tables, allowing you to retrieve data from various fields across those tables. The result is a consolidated dataset that combines information from different sources. This is particularly useful when you need to analyze relationships, generate reports, or extract specific insights that require data from multiple tables. To perform a join, you typically specify the tables involved, the join condition, and the desired fields to retrieve. The join condition defines how the tables are related, usually by matching values in a common column or key.

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data from the hard drive reaches the cpu ___ than data from the ram.

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Data from the hard drive reaches the CPU slower than data from the RAM.

When the CPU needs to access data, it first checks the faster memory hierarchy, starting with the cache and then the RAM. If the required data is not found in these faster memory locations, the CPU needs to fetch it from the slower storage devices, such as the hard drive. Accessing data from the hard drive involves mechanical movement and seeks, which significantly slows down the retrieval process compared to the near-instantaneous access of data from RAM.

The CPU's speed and performance heavily rely on the speed of data access from the RAM, which is much faster than accessing data from the hard drive. That's why modern systems utilize various levels of cache memory to store frequently accessed data closer to the CPU, minimizing the need to access slower storage devices like the hard drive.

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how many registered users does pandora internet radio have?

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Pandora Internet Radio has more than 60 million registered users. The company is popular for its streaming music service, which allows listeners to create personalized radio stations. Pandora's database includes over 1 million songs from various genres, including pop, rock, country, jazz, classical, and more.

Listeners can create stations based on their favorite songs, artists, or genres, and Pandora's Music Genome Project technology helps identify similar songs to play for them. The company has also expanded its service to offer on-demand music streaming, as well as podcasts. Pandora's services are available in the United States, Australia, and New Zealand. In 2019, the company was acquired by SiriusXM, a satellite radio company, for $3.5 billion.

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This screen allows users to view and edit Profiles connected to the selected
a. Reservation.
b. Linked Profiles
c. Accompanying Profiles
d. Associated Profiles
e. Select Another Profile

Answers

This screen allows users to view and edit Profiles connected to the selected-

c. Accompanying Profiles

This screen provides users with the ability to view and edit Accompanying Profiles connected to the selected Reservation. Accompanying Profiles refer to additional profiles associated with the main profile or reservation. It allows users to manage and make changes to the linked profiles that are connected to the reservation, such as adding or removing accompanying individuals or making updates to their information. This feature is particularly useful in situations where multiple individuals are included in a reservation, such as family members or group bookings, as it enables easy access to and management of the associated profiles. By selecting this option, users can efficiently handle the details and modifications related to the accompanying profiles within the context of the chosen reservation.

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data visualization, data discovery and geospatials are _________ tools and technologies.

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Data visualization, data discovery and geospatials are data analytics tools and technologies.

Data analytics is the process of collecting, cleaning, analyzing, and interpreting data to gain insights that can be used to make better decisions. Data visualization is a visual representation of data that helps users to understand and interpret the data. Data discovery is the process of finding hidden patterns and relationships in data. Geospatials is the use of geographic information systems (GIS) to analyze and visualize spatial data.

All of these tools and technologies are used to help businesses make better decisions by providing insights into their data. For example, data visualization can be used to create dashboards that show key performance indicators (KPIs) in a visually appealing way. Data discovery can be used to identify trends and patterns in data that would not be visible otherwise. Geospatials can be used to analyze data about the location of things, such as stores, customers, or competitors.

These tools and technologies are becoming increasingly important as businesses collect and store more data. By using data analytics, businesses can gain insights that can help them to improve their products, services, and operations.

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which method of presenting stimuli would produce memory for the largest number of items?

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The method of presenting stimuli that would produce memory for the largest number of items is through chunking, which involves organizing information into meaningful groups. Chunking allows individuals to remember and recall a larger number of items by reducing cognitive load and enhancing memory encoding and retrieval.

The method of presenting stimuli that would typically produce memory for the largest number of items is through the use of chunking. Chunking involves grouping or organizing information into meaningful chunks or patterns, which allows individuals to remember and recall a larger number of items. By organizing stimuli into manageable and meaningful units, it reduces the cognitive load and facilitates memory encoding and retrieval. This method helps individuals overcome limitations in working memory capacity and enhances their ability to remember and retain information effectively.

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Which of the following statements accurately describes fingerprint recognition?
A) fingerprint recognition scanners are very expensive
B) fingerprint recognition is easily deceived
C) fingerprint recognition is rarely used
D) All of the above

Answers

The following statements accurately describes fingerprint recognition is D) All of the above.

Fingerprint recognition is a type of biometric authentication that uses a person's unique fingerprints to verify their identity. This type of technology is becoming increasingly popular in many different settings, from unlocking mobile devices to accessing secure facilities. In this answer, we will explain fingerprint recognition and its importance.Fingerprint recognition technology uses specialized scanners to read a person's fingerprints, and these scanners are often integrated into devices such as smartphones and laptops.

In conclusion, it is clear that fingerprint recognition is an important technology that is rapidly becoming more widespread. This technology provides a high level of security and convenience, and it is likely that we will see more and more applications of fingerprint recognition in the years to come. Therefore, option D) All of the above is incorrect because the statement "fingerprint recognition is easily deceived" is false, as it is a highly reliable form of identification.

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Installation of a corporate firewall is the least common security precaution taken by businesses as it does not provide sufficient security.

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The installation of a corporate firewall is not the least common security precaution taken by businesses, and it continues to be an essential measure for protecting network security.

The statement suggesting that the installation of a corporate firewall is the least common security precaution taken by businesses is not accurate. Firewalls are widely recognized as a fundamental security measure and are commonly employed by organizations to safeguard their networks. Firewalls act as a barrier between internal and external networks, filtering incoming and outgoing network traffic based on predefined security rules. They play a crucial role in preventing unauthorized access, protecting against malicious activities, and mitigating potential security threats. While firewalls are not the sole security measure, they are a vital component of a comprehensive security strategy and are widely implemented by businesses to enhance network security.

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If you could modify the space environment to your advantage, how could you improve a space system? What models or forecasts would you use to determine how to modify the space environment?

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If one could modify the space environment to their advantage, they could potentially improve the functionality of a space system. To determine how to modify the space environment, one could utilize models or forecasts.

Models and forecasts can help in determining the benefits and drawbacks of a proposed solution. A model is a simulation or representation of a particular system or phenomenon. Models can help predict the behavior of a space system under different conditions. Additionally, models can also be used to analyze how different modifications would affect a space system.

A forecast, on the other hand, is an estimate or prediction of future conditions. Forecasts can be useful in determining which modifications would be most beneficial in the long run. Modifying the space environment could include a variety of actions such as controlling solar radiation or changing the composition of the atmosphere.

By modifying these factors, a space system could potentially be improved in a number of ways. For example, by reducing solar radiation, the lifespan of electronics in a satellite could be extended. Similarly, modifying the atmosphere could help reduce the risk of meteor strikes on the space system.

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True or False: An analyst can and should use the decision-making framework to structure data investigation and analysis.

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The statement "An analyst can and should use the decision-making framework to structure data investigation and analysis" is true.

An analyst is responsible for investigating and analyzing data in order to develop critical insights and business strategies. The decision-making framework is a structure used to make data-driven decisions and is an essential tool for an analyst to use in their work.

The framework is designed to guide an analyst through the data investigation and analysis process, helping them to identify the problem, gather and analyze data, and develop a solution. It includes various stages, such as problem definition, data collection, analysis, and recommendation.

By using the framework, analysts can ensure that they have a structured and systematic approach to decision-making, which can lead to more accurate and reliable insights. The decision-making framework can also help analysts to communicate their findings more effectively to stakeholders.

By presenting data in a structured and organized way, analysts can help stakeholders to understand the implications of their findings and make more informed decisions. a decision-making framework is an essential tool for an analyst to use in their work.

The framework is designed to guide an analyst through the data investigation and analysis process, helping them to identify the problem, gather and analyze data, and develop a solution. It includes various stages, such as problem definition, data collection, analysis, and recommendation.

By using the framework, analysts can ensure that they have a structured and systematic approach to decision-making, which can lead to more accurate and reliable insights.

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network based intrusion detection system are able to detect which type of attacks

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It's important to note that NIDS primarily focus on detecting suspicious or malicious activities at the network level. They complement other security measures such as firewalls, antivirus software, and host-based intrusion detection systems (HIDS) to provide a comprehensive defense against various types of attacks.

Network-based intrusion detection systems (NIDS) are designed to detect various types of attacks that target computer networks. Some common types of attacks that NIDS are capable of detecting include:

Network scanning: NIDS can detect attempts to scan or map a network, which is often the initial step taken by attackers to identify potential vulnerabilities.

Denial of Service (DoS) attacks: NIDS can detect excessive traffic or unusual patterns of network activity that indicate a DoS attack, where an attacker tries to overwhelm a network or system to make it unavailable to legitimate users.

Port scanning and probing: NIDS can identify attempts to access or probe specific ports on a network, which could indicate a reconnaissance activity or a precursor to an attack.

Malware and virus activity: NIDS can detect known patterns or signatures of malicious software or viruses attempting to spread across the network or infect connected systems.

Intrusion attempts: NIDS can identify unauthorized attempts to access or exploit network resources, such as unauthorized login attempts, brute-force attacks, or exploitation of known vulnerabilities.

Anomalous network behavior: NIDS can detect abnormal network traffic or behavior that deviates from established patterns, which could indicate an ongoing attack or unauthorized activity.

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what cisco ios command is used to enable the use of ipv4 routing on a cisco device

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The Cisco IOS command used to enable the use of IPv4 routing on a Cisco device is "ip routing".

This command activates the routing functionality on the device and allows it to forward IPv4 packets between different networks. By enabling IP routing, the Cisco device becomes capable of making routing decisions based on the destination IP address and the routing table entries it has learned or configured. This command is typically entered in global configuration mode on the Cisco device. It is important to note that enabling IP routing should be done carefully, considering network design and security requirements.

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chapter 1 states that technical communicators use design to increase readability and make their documents more effective. which of the following is an example of a design feature?

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design features such as headings, subheadings, images, font choices, and color schemes are instrumental in making technical documents visually appealing, accessible, and effective in conveying information to the audience.

Design features play a crucial role in enhancing the effectiveness and readability of technical documents. One example of a design feature is the use of headings and subheadings to organize content. By employing a hierarchical structure, readers can quickly navigate through the document and locate specific information. This improves readability and comprehension.

Another design feature is the inclusion of relevant images and graphics. Visual elements can help clarify complex concepts, provide visual aids, or support the textual content. They can enhance understanding and engagement, particularly for visual learners.

Choosing an appropriate font style and size is also a design feature. The right typography can contribute to the overall readability and professionalism of the document. Clear and legible fonts, paired with suitable font sizes, ensure that readers can comfortably consume the content without strain.

Creating a consistent color scheme is yet another design feature. Consistency in color selection helps establish a visual identity and aids in information organization. Color coding or using consistent color schemes can assist in distinguishing sections, highlighting important points, or guiding the reader's attention.

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Metals are widely classified into ferrous and non- ferrous. you are asked to design materials selection charts that include both types. you can use multiple charts so that your charts are comprehensive of all mechanical properties and covering most metals used in industry.

Answers

The materials selection charts for metals encompass both ferrous and non-ferrous categories, offering a comprehensive representation of mechanical properties and commonly used metals in the industry.

Materials selection charts play a crucial role in the engineering and manufacturing processes by aiding in the selection of appropriate materials for specific applications. When it comes to metals, they are broadly classified into two categories: ferrous and non-ferrous. Ferrous metals primarily consist of iron and have a significant content of carbon, such as steel and cast iron. On the other hand, non-ferrous metals do not contain iron as the main component and include metals like aluminum, copper, titanium, and various alloys.

To design materials selection charts that cover both ferrous and non-ferrous metals comprehensively, a systematic approach can be followed. The charts can include multiple axes representing different mechanical properties like strength, hardness, ductility, corrosion resistance, and thermal conductivity. Each axis can be further divided into ranges or levels to provide a clear visual representation.

By including a wide range of mechanical properties and metals commonly used in the industry, these materials selection charts enable engineers and designers to make informed decisions based on the specific requirements of their applications. They serve as valuable references during the material selection process, considering factors like cost, availability, performance, and compatibility with other materials.

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output device which displays graphics and images from the computer

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An output device that displays graphics and images from a computer is a monitor. A monitor is a visual display unit that presents visual information generated by the computer's graphics card.

Monitor uses a screen to show images, text, videos, and other visual content. Monitors come in various sizes, resolutions, and display technologies such as LCD (liquid crystal display), LED (light-emitting diode), and OLED (organic light-emitting diode).

They provide a visual interface for users to interact with the computer, allowing them to view and interpret graphical information, watch videos, play games, edit images, and perform other visual tasks. Monitors are essential for a wide range of applications, including work, entertainment, and creative pursuits.

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who decides how and when data in an organization will be used or controlled? who is responsible for seeing that these decisions are carried out?

Answers

In an organization, the process of deciding how and when data will be used or controlled is usually carried out by the data governance committee.

It is the governing body that decides how and when data will be used or controlled by the organization. It is responsible for creating, maintaining, and enforcing policies, procedures, and standards for data management across the organization.Data governance is important because it helps to ensure that an organization's data is accurate, complete, and secure. It also ensures that data is used in a way that complies with regulatory requirements and meets the needs of stakeholders.

The committee is responsible for overseeing the implementation of data policies and procedures across the organization. It also monitors data usage and quality to ensure compliance with data governance policies and regulations.In addition to the data governance committee, the Chief Data Officer (CDO) is responsible for overseeing data management across the organization. The CDO is responsible for ensuring that data is managed as an enterprise asset and that it is used to support the organization's strategic objectives.

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vocabulary workshop level c unit 1 choosing the right word

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Vocabulary Workshop Level C Unit 1 Choosing the Right Word is one of the programs aimed at teaching students how to master words that are often used in English reading materials or daily conversation.

Vocabulary Workshop is a beneficial program designed to help learners of all ages to improve their English vocabulary skills. The program is composed of various activities and exercises that help learners to recognize and define English words, understand how they can be used in different contexts, and master the nuances of synonyms, antonyms, and other related concepts. It's essential to choose the right word when expressing an idea or thought to convey the intended meaning of a message accurately.

It's a crucial aspect of effective communication. The Vocabulary Workshop Level C Unit 1 program aims to teach students how to choose the appropriate words based on context, connotation, and denotation. In summary, Vocabulary Workshop Level C Unit 1 Choosing the Right Word program is an excellent resource for learners of all ages and backgrounds. The program helps learners master essential English vocabulary skills that can benefit them in daily life or academic pursuits.

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1. What type of network connectivity problem can be solved by using Device Manager? a. DNS server is down b. Incorrect permission to access a database Forgotten password to Active Directory d. O NIC drivers are corrupted

Answers

The network connectivity problem that can be resolved with the help of the Device Manager is the d. O NIC drivers are corrupted.

NIC stands for Network Interface Card. In order for the network to work correctly, the NIC drivers must be up-to-date, functioning, and properly configured. When the NIC drivers are missing, outdated, or corrupted, the network connection can fail. Windows has a built-in tool called the Device Manager, which allows users to manage and troubleshoot hardware devices, including the NIC. The Device Manager can be used to locate the NIC driver, update the driver, uninstall and reinstall the driver, and troubleshoot the device.

The Device Manager is an essential tool for troubleshooting hardware devices on Windows. It can help users identify hardware devices that are not functioning correctly, update or reinstall drivers, and troubleshoot device issues. In the case of network connectivity problems caused by corrupt NIC drivers, the Device Manager can be used to solve the issue. By uninstalling and reinstalling or updating the NIC driver, the network connection can be restored. So the answer is d. O NIC drivers are corrupted.

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when might a researcher not need to use inferential statistics to analyze his or her data?

Answers

A researcher may not need to use inferential statistics to analyze his or her data in some cases. Inferential statistics are useful when researchers want to generalize their results from a sample to a population.

When a researcher's goal is to describe a sample or a population, inferential statistics may not be necessary.

For instance, when the aim of research is to describe a single sample or population, inferential statistics are not needed.

Another scenario in which inferential statistics may not be used is when a researcher has a small sample size, resulting in a lack of statistical power to conduct inferential analyses.

In such cases, researchers may instead use descriptive statistics to summarize their data and present their findings. Descriptive statistics are useful for summarizing a sample or a population's central tendencies, variability, and distribution.

Finally, in some qualitative research studies, inferential statistics are not needed because the goal is to describe the participants' experiences and perspectives.

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Involving the selection of rats from a cage. Assume that there are 8 rats in the cage: 5 trained and 3 untrained. A rat is removed from the cage and it is noted whether or not it is trained. It is then placed in a different cage. 3 more rats are removed and treated the same way. (1) Which of the following is not a valid outcome for this experiment? A. UUUU B. UUTU C. TITU D. TUTU (2) How many outcomes are possible for this experiment?

Answers

There are 8 possible outcomes when removing and observing 3 rats, each either trained or untrained, from a cage of 8 rats.

How many possible outcomes are there when removing and observing 3 rats, each either trained or untrained, from a cage of 8 rats?

(1) Which of the following is not a valid outcome for this experiment? A. UUUU B. UUTU C. TITU D. TUTU

A. UUUU is not a valid outcome because it implies that all rats removed from the cage were untrained, which contradicts the initial information that there are both trained and untrained rats in the cage.

(2) How many outcomes are possible for this experiment?

To determine the number of possible outcomes, we can consider the removal of rats as a series of independent events, where each event has two possibilities: the rat being trained (T) or untrained (U).

For each rat removal, there are 2 possible outcomes. Since there are 3 rats being removed and treated the same way, the total number of outcomes is given by 2 multiplied by itself three times (2^3), which equals 8 possible outcomes.

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Which of these are prototyping techniques? (Select all that
apply)
SELECT THE CORRECT ANSWER(S)
A. Prototype for empathy
B. User-driven prototype
C. Wizard of Oz
D. Prototype to decide

Answers

These are prototyping techniques is: A. Prototype for empathy, B. User-driven prototype, C. Wizard of Oz, D. Prototype to decide.

Prototyping techniques are methods and tools used to create prototypes in the software development process. Prototypes are important for software developers because they help to identify potential problems early in the development cycle, before the final product is complete.  A. Prototype for empathy: This technique is used to create a prototype that is designed to elicit an emotional response from users. The purpose of this type of prototype is to help developers understand the user's emotional response to the product, which can be useful in refining the design.

B. User-driven prototype: This technique involves creating a prototype that is designed to allow users to interact with the product. The purpose of this type of prototype is to help developers understand how users will interact with the product, which can be useful in refining the design. C. Wizard of Oz: This technique involves creating a prototype that is designed to simulate the product without actually building it. So the answer is A, B, C, D.

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A(n) _____ is a number that identifies a particular device.
A) IP address
B) href
C) domain
D) hyperlink

Answers

An IP address (A) is a number that identifies a particular device.

What is an IP address?

An IP address is a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. IP stands for "Internet Protocol," which is a set of guidelines that regulate network activity and transmit data across the network. It serves two functions: identifying the host or network interface and providing a location address.

What are the different classes of IP addresses?

There are five different classes of IP addresses that include:

Class A - It is used in large organizations with a large number of hosts, as it allows for over 16 million hosts.

Class B - It is used in medium-sized companies with a smaller number of hosts, as it allows for up to 65,000 hosts.

Class C - It is commonly used in small networks, as it allows for up to 254 hosts.

Class D - It is used for multicasting, which sends messages to a group of hosts.

Class E - It is reserved for experimental and research purposes, and it is rarely used.

Hence, the correct answer is Option A.

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To tightly control the anti-malware settings on your computer, you elect to update the signature file manually. Even though you vigilantly update the signature file, the machine becomes infected with a new type of malware.

Which of the following actions would best prevent this scenario from occurring again?

Answers

To prevent the scenario of a machine becoming infected with a new type of malware, it is recommended to implement an automated signature file update mechanism instead of relying on manual updates.

By enabling automatic updates for the anti-malware software, you ensure that the signature files are regularly and promptly updated to detect and protect against the latest malware threats. Automatic updates help to keep your computer protected by ensuring that your anti-malware software is equipped with the most recent and comprehensive set of signatures, which are essential for identifying and blocking newly emerging malware. This proactive approach minimizes the risk of infection from evolving malware strains that may not be detected by outdated signature files.

Additionally, it is crucial to keep the operating system and other software applications up to date by installing the latest security patches and updates. Frequently updating software helps to address vulnerabilities that malware can exploit, reducing the chances of successful infections. By combining automated signature file updates with regular software updates, you enhance your computer's security posture and significantly reduce the risk of falling victim to new types of malware.

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