False. Most personal computer operating systems use the discretionary access control (DAC) model. MAC is more commonly used in high-security environments such as government and military systems.
Most personal computer operating systems, such as Windows, macOS, and Linux, use the discretionary access control (DAC) model rather than the mandatory access control (MAC) model.
In the discretionary access control model, the owner of a file or resource has full control over who can access it and what level of access they have. In contrast, in the mandatory access control model, access decisions are made by a central authority based on a set of rules or policies, which are usually predefined and cannot be changed by users or owners of the resources.
The MAC model is commonly used in high-security environments, such as military and government agencies, where the access to resources must be tightly controlled to prevent unauthorized access or data leakage.
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False. Most personal computer operating systems use the discretionary access control (DAC) model, which allows users to control access to their own resources.
In the DAC model, each resource has an owner who can grant or deny access to it to other users. The MAC model, on the other hand, is used in high-security environments, where a central authority defines and enforces access policies. In the MAC model, access to resources is based on a set of rules, and users have no control over them. Some examples of operating systems that use the MAC model include SELinux and TrustedBSD.
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Explain how each of the different layers in the chart above is involved when you go to a link like code.org
Answer:
By utilizing different layers, we can navigate to links such as code.org; this process is similar to a long chain system whereby an input is given to take the link and the outcome is an output that leads us to code. We can't go through one chain to get from the link to code.org; there are many layers involved, and that's where IP comes into play. IP can be used to determine where the message is sent and received, and TCP and UDP act as backup to ensure that everything sent arrives and nothing is left behind in the message. The DNS, on the other hand, is a server that receives all requests for when you search something, very much like the accepting part, and ensures that it should be allowed.
Explanation:
Question: Using your Layers of the Internet activity guide to help you, explain how each of the different layers is involved when you go to a link like code.org.
Above is a well written answer!
What documents are needed for real id in california.
When applying for a REAL ID, the document needed are:
A Proof of your identity (such as U.S. birth certificate, valid U.S. passport, permanent resident card, etc.An evidence of Social Security number ( such as Social Security card, W-2 form, etc.).What is an ID?An Id is known to be a tool or something that is often used in the identification of a person.
Therefore, When applying for a REAL ID, the document needed are:
A Proof of your identity (such as U.S. birth certificate, valid U.S. passport, permanent resident card, etc.An evidence of Social Security number ( such as Social Security card, W-2 form, etc.).Learn more about ID from
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Which of the following statements is incorrect about RAID technology? a. A RAID-5 is preferred to RAID-1 when the database requires frequent data modifications. b. RAID-1 requires more storage than RAID-5. C. RAID-1 requires less write time than RAID-5. d. RAID-5 does not duplicate the data items themselves.
RAID (Redundant Array of Independent Disks) is a technology that uses multiple physical hard drives to create a single logical drive that provides increased storage capacity, data redundancy, and improved performance.
Let's briefly explain each statement and then draw a conclusion.
a. A RAID-5 is preferred to RAID-1 when the database requires frequent data modifications. This statement is correct because RAID-5 balances both read and write performance, making it suitable for frequent data modifications.
b. RAID-1 requires more storage than RAID-5. This statement is also correct. RAID-1 mirrors the data, requiring double the storage space, whereas RAID-5 uses parity information and needs less storage.
c. RAID-1 requires less write time than RAID-5. This statement is correct as well. RAID-1 has faster write times because it only needs to write the data to two drives, while RAID-5 must write both data and parity information.
d. RAID-5 does not duplicate the data items themselves. This statement is incorrect. While RAID-5 doesn't mirror data like RAID-1, it still provides redundancy through parity information, allowing data recovery if a drive fails.
In conclusion, statement d is incorrect about RAID technology. RAID-5 does provide redundancy and allows data recovery through the use of parity information, even though it doesn't duplicate the data items themselves.
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Explain how the number of jobs available to workers has been affected by the use of ICT in commerce and industry, using specific examples. Refer in your answer to jobs created as well as job losses
please answer correctly thank you so much!
Answer:
The main cause of lack of jobs is due to automation and the ability for computers to do everything faster, more efficiently and effectively.
Explanation:
A specific example - Data entry jobs are redundant from automation programs
- Economic Forum predicted a net increase of 58 million jobs for automation, so this accounts for losses but isn't case specific to data entry
return the maximum value by deleting exactly one 5 from its digit
This means that, on average, the server is expected to be available for approximately 51.02% of the time.
Apologies for the repeated response. The availability calculation for a server with an MTBF of 75 hours and an MTTR of 3 days (72 hours) is as follows:
MTBF = 75 hours
MTTR = 3 days = 72 hours
Availability = MTBF / (MTBF + MTTR)
Availability = 75 / (75 + 72)
Availability ≈ 75 / 147
Availability ≈ 0.5102
The availability of the server is approximately 0.5102 or 51.02%.
This means that, on average, the server is expected to be available for approximately 51.02% of the time. The remaining time is accounted for by the MTTR, representing the time taken to repair the server in case of a failure.
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Write a program in the if statement that sets the variable hours to 10 when the flag variable minimum is set.
Answer:
I am using normally using conditions it will suit for all programming language
Explanation:
if(minimum){
hours=10
}
URGENT
The 2 missing activity times in the following network are: \[ A=3 \] \[ B=4 \] What is the Latest Start Time for Activity 3 ?
The latest start time for Activity 3 is 3. To determine the latest start time for Activity 3, we need to work backwards through the network diagram using the critical path method.
Activity 3 is preceded by Activity 1 and Activity 2. The earliest start time for Activity 3 is determined by the latest finish time of its preceding activities.
Since the latest start time for Activity 1 is 0 (assuming it starts at the beginning), and the duration of Activity 1 is 3, the latest finish time for Activity 1 is 3.
Similarly, since the latest start time for Activity 2 is also 0 and the duration of Activity 2 is 4, the latest finish time for Activity 2 is 4.
Since Activity 3 is dependent on both Activity 1 and Activity 2, its latest start time is the minimum of the latest finish times of its preceding activities. Therefore, the latest start time for Activity 3 is min(3, 4) = 3.
Therefore, the latest start time for Activity 3 is 3.
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What information can you get from a Netcraft search? Is it
Passive or active?
From a Netcraft search, you can obtain information about a website's hosting, technology stack, security, and performance.
A Netcraft search is considered passive.
Netcraft is a company that provides internet security services and tools, including a website that allows users to perform various types of internet-related searches. Netcraft search provides details such as server software, operating systems, content management systems, web frameworks, and SSL certificates.
A Netcraft search is considered passive because it does not involve direct interaction with the target website or network. Instead, it relies on publicly available data and previously collected information. The search results can be useful for website administrators, security professionals, and researchers who are interested in understanding the infrastructure and security of a website.
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Differentiate between a window and Windows
Answer:
A window is a graphic control element which are controlled by the keyboard usually and windows is an operating system
Explanation:
Help ASAP!!Choose all the basic elements of algorithms. A.Selection B.Loops C.Flow Charts D.Sequencing E.Combinations F.Iteration
Answer:
b c d
Explanation:
Answer:
A, C, E, F
Explanation:
Just took the test
You have been managing a $5 million portfolio that has a beta of 1.45 and a required rate of return of 10.975%. The current risk-free rate is 3%. Assume that you receive another $500,000. If you invest the money in a stock with a beta of 1.75, what will be the required return on your $5.5 million portfolio? Do not round intermediate calculations.
Round your answer to two decimal places.
%
The required return on the $5.5 million portfolio would be 12.18%.
1. To calculate the required return on the $5.5 million portfolio, we need to consider the beta of the additional investment and incorporate it into the existing portfolio.
2. The beta of a stock measures its sensitivity to market movements. A beta greater than 1 indicates higher volatility compared to the overall market, while a beta less than 1 implies lower volatility.
Given that the initial portfolio has a beta of 1.45 and a required rate of return of 10.975%, we can use the Capital Asset Pricing Model (CAPM) to calculate the required return on the $5.5 million portfolio. The CAPM formula is:
Required Return = Risk-free Rate + Beta × (Market Return - Risk-free Rate)
First, let's calculate the market return by adding the risk-free rate to the product of the market risk premium and the market portfolio's beta:
Market Return = Risk-free Rate + Market Risk Premium × Beta
Since the risk-free rate is 3% and the market risk premium is the difference between the market return and the risk-free rate, we can rearrange the equation to solve for the market return:
Market Return = Risk-free Rate + Market Risk Premium × Beta
= 3% + (10.975% - 3%) × 1.45
= 3% + 7.975% × 1.45
= 3% + 11.56175%
= 14.56175%
Next, we substitute the calculated market return into the CAPM formula:
Required Return = 3% + 1.75 × (14.56175% - 3%)
= 3% + 1.75 × 11.56175%
= 3% + 20.229%
= 23.229%
However, this result is based on the $500,000 additional investment alone. To find the required return on the $5.5 million portfolio, we need to weigh the returns of the initial portfolio and the additional investment based on their respective amounts.
3. By incorporating the proportionate amounts of the initial portfolio and the additional investment, we can calculate the overall required return:
Required Return = (Initial Portfolio Amount × Initial Required Return + Additional Investment Amount × Additional Required Return) / Total Portfolio Amount
The initial portfolio amount is $5 million, and the additional investment amount is $500,000. The initial required return is 10.975%, and the additional required return is 23.229%. Substituting these values into the formula:
Required Return = (5,000,000 × 10.975% + 500,000 × 23.229%) / 5,500,000
= (548,750 + 116,145.45) / 5,500,000
= 664,895.45 / 5,500,000
≈ 0.1208
Rounding the answer to two decimal places, the required return on the $5.5 million portfolio is approximately 12.18%.
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Compare and contrast iOS in a short essay and explain which one is better. Also, write the significant points as bullet points.
Do not troll; wrong answers will be deleted and reported.
The best answer will be marked brainliest!
Android is a more open operating system than iOS. In iOS, users hardly have any system permissions, whereas, in Android, users may easily modify their phones. There is Android software for numerous brands, like Samsung, LG, etc.
What is the system?A system is a group of moving or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its situation, is described by its boundaries.
The advantages of the IOS are considered as.
iOS By using it they were provided with the best interface and understanding.iOS is a most secure operating system than any other.the iOS operating system is best for Businesses and Professionals.Therefore, As a result, IOS devices are very much significant and useful. There are different features are there in it.
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Which device is often employed by power companies to protect cabling infrastructure from having cables added or removed and to prevent emissions from being retrieved from the air?
PDS is a tool that power companies frequently use to safeguard its cabling system from having cables added to it or removed, as well as to stop pollutants from being pulled out of the air.
A wireline or fiber-optic telecommunication system with terminals and sufficient acoustical, electrical, electromagnetic, and physical safeguards to permit its use for the unencrypted transmission of classified information is referred to as a protective distribution system (PDS), also known as a protected distribution system, by the US government. These devices were once known as "authorized circuits."
The interconnecting lines, subscriber and terminal equipment, and protected distribution systems are also included.
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how to generate a random sample of 10,000 values for attendance and concession spending using the transform function in spss
To generate a random sample of 10,000 values for attendance and concession spending using the transform function in SPSS, you can follow these steps:
Open your dataset in SPSS.
Click on "Transform" from the menu bar.
Select "Compute Variable".
In the "Target Variable" field, enter a name for the new variable you want to create (e.g., "random_attendance").
In the "Numeric Expression" field, enter "RV.UNIFORM(0,100)" to generate random values between 0 and 100 for attendance.
Click on "OK".
Repeat steps 3-6 to create a new variable for concession spending (e.g., "random_concession").
Once both variables have been created, click on "Data" from the menu bar.
Select "Select Cases".
Choose "Random sample of cases" and set the sample size to 10,000.
Click on "OK" to apply the random sampling.
Your new dataset with random values for attendance and concession spending is now ready for analysis!
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Evaluate the Mean Fill Rates from the following 4 Coca Cola Soda machines. They are all identical machines with identical fill settings. Last night during production, the maintenance technician had to make some repairs to one of the machines. After evaluating the first 18 bottles from each machine, can you determine if all machines are filling the bottles to the proper 16fl ounces? Use a level of significance of 0.05 1. Use the six steps of hypothesis testing to determine if any of the machines are not filling to the proper volume. 2. Using the confidence interval calculation, compare machine 1 and 3 and determine if there is a difference between these two machines? 3. What is the df treatment 4. What is the df error 5. What is the SS Error 6. What is the MS treatment 7. What is the MS Error
To determine if all machines are filling the bottles to the proper 16 fl ounces, we can follow the six steps of hypothesis testing:
1. State the null and alternative hypotheses:
- Null hypothesis (H0): All machines are filling the bottles to the proper volume (mean fill rate = 16 fl ounces).
- Alternative hypothesis (Ha): At least one machine is not filling the bottles to the proper volume (mean fill rate ≠ 16 fl ounces).
2. Choose the significance level:
- Given a level of significance of 0.05 (5%), we will use this as our threshold to reject the null hypothesis.
3. Collect and analyze data:
- Evaluate the first 18 bottles from each machine and calculate the mean fill rate for each machine.
4. Calculate the test statistic:
- Perform an analysis of variance (ANOVA) test to compare the means of multiple groups.
- This will help determine if there is a statistically significant difference between the mean fill rates of the machines.
5. Determine the critical value(s):
- The critical value is based on the significance level and the degrees of freedom (df treatment and df error).
6. Make a decision:
- Compare the test statistic to the critical value(s).
- If the test statistic falls within the rejection region (outside the critical value range), we reject the null hypothesis.
Remember to use the appropriate formulas and calculations based on the data provided to determine the values for df treatment, df error, SS Error, MS treatment, and MS Error.
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How does an app process information
As a visual device, iconicity requires complete similarity between a picture and reality in order for advertising visual to set off analogical thinking in viewers. True or False?
As a visual device, iconicity requires complete similarity between a picture and reality in order for advertising visual to set off analogical thinking in viewers: True.
What is search engine optimization (SEO)?In Computer technology, search engine optimization (SEO) is a strategic process which typically involves improving and maximizing the quantity and quality of the number of visitors (website traffics) to a particular website by making it appear topmost among the list of results from a search engine such as the following:
Yah-ooGoo-gleBingIconicity simply refers to a measure of the level of resemblance or similarity between the two aspects of a sign, which typically represent its form and its meaning.
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why computer is a reliable machine?
Answer:
Computer is a reliable machine because it gives consistent result for similar set of data
Answer:
Each computer generation has improved the reliability over the preceding generation, as have other electronic devices produced in the same time period.
A computer is a reliable machine.
Modern electronic components have failure free long lives.
Computers are designed to make maintenance easy.
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which is best declared as a constant? group of answer choices the number of people in a car the number of feet in a yard the number of leaves on a tree the number of insects in a room
According to the given information The number of feet in a yard is best declared as a constant.
What is the constant symbol?A number (0–9) or a period serves as the initial of a constant sign. A constant symbol's value cannot be altered. It is only the string made up of the symbol's characters (that is, with any lowercase alphabetic characters translated to uppercase).
A constant value is what?A signed or unsigned integer value that is produced by the programmer is known as a constant value. A number sign serves as the symbol for constant values. Select the Constant item in the Select Waianapanapa and Address text box and input a number to utilize a constant value in your application.
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Under which condition are hareholder mot likely to be concerned about agency conflict?
Shareholders are likely to be concerned about agency conflict when they believe that the interests of the company's management are not aligned with their own interests as shareholders.
Why should shareholders concerned about agent problem?Agency conflict can arise in various situations, including when management makes decisions that prioritize their own short-term interests or personal gain over the long-term interests of the company and its shareholders. For example, management may be motivated to pursue risky investments or engage in irresponsible spending in order to receive bonuses or other financial incentives, even if these actions are not in the best interests of the company or its shareholders.Shareholders may also be concerned about agency conflict when they believe that the board of directors, which is responsible for overseeing management and representing the interests of shareholders, is not effectively fulfilling its role.To learn more about Shareholders refer :
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Based on the experiments of Lab 2, Java's nanosecond system timer updates once per nanosecond.
True or False?
True. Based on the experiments of Lab 2, Java's nanosecond system timer updates once per nanosecond. So, the given statement that "Java's nanosecond system timer updates once per nanosecond" is True.
Here's an explanation to support this answer:
Lab 2 conducted an experiment using System.nanoTime() method.
This method is used to get the current value of the running Java Virtual Machine's high-resolution time source, in nanoseconds.
System.nanoTime() updates its value once per nanosecond. Therefore, the given statement is True.
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Which sentence is the thesis statement for this essay?
which essay? the thesis will most likely be the last sentence of an intro, but not necessarily. its what states your reasons or your point of view in an intro.
Which sentence is the thesis statement for this essay?
Knowing where to look, making a good first impression, and following up with a potential employer can help you land the perfect job.
All these strategies will help you find a job.
There are many sources of potential jobs.
Finding a job can be a scary prospect.
Nate finishes his application letter and wants to save it as a template. Which type of file will it be?
A.docb
B.docx
.dotm
.dotx
with what section of sox would the it professional deal the most, and why?
The IT professional would most likely deal with the section of SOX concerning the protection of financial information. This section requires that companies have processes in place to ensure the accuracy and completeness of financial records, as well as the protection of information from unauthorized access.
The IT professional would deal the most with section 404 of SOX. This section requires companies to assess and report on the effectiveness of their internal controls over financial reporting. The IT professional plays a crucial role in ensuring that the company's information systems are secure and reliable, and that the financial data is accurately recorded and reported. This is important because any weakness or deficiency in the internal controls could lead to financial misstatements or fraud.
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What can hack or code can I use to get a shadow or frost dragon in adopt me
There aren’t any codes that could be used to redeem a Shadow Dragon or a Frost Dragon. Even if you’re desperate, do not hack the game as it would get you a permanent ban from the game forever. Try trading up to your dream pet instead of cheating to achieve it!
If your computer is running slowly, which of the following is most likely to solve the problem?
Scanning, cleaning, and optimizing your hard drive
Checking to make sure all of the computer’s cords are plugged in
Reentering the serial numbers of the software programs the computer is running
Searching the hard drive for missing DLL files
Answer:
Purchase Anti-virus
Explanation:
Delete old files.
clear your temp
update to a ssd
Answer:
A. Scanning, cleaning and optimizing your hard drive
Explanation:
IM A DIFFERENT BREEED!
also... when your computer is slow, you usually scan and clean your computer files and delete unnecessary files you don't need so that your computer can run more smoothly and faster.
what is the use of LEFT$ function
Answer:
It is used by combining it with other functions such as VALUE, SUM, COUNT, DATE, DAY, etc.
What is an example of a situation in which you might use the append method? In what ways is the append method limited?
What is the difference between a method and a function? In what ways are they similar? Why do you think Python makes a distinction between methods and functions?
Answer:
An example of a situation in which I might use the append method is explained below in details.
Explanation:
Append Method
The append() arrangement in python combines a separate item to the present list. It doesn't recover a new record of items but will transform the primary list by combining the item to the conclusion of the record. After completing the process append on the list the size of the list advances by one.
How is the role of erp systems different from traditional tps, mis, dss, and others? can an erp system support all levels of management?
They support all levels of management by providing real-time data and facilitating decision-making at various levels. For example, operational managers can monitor production schedules, while top-level managers can access financial reports and strategic insights.
The role of ERP systems differs from traditional TPS, MIS, DSS, and others. ERP stands for Enterprise Resource Planning, and it is an integrated system that centralizes and automates various business processes. Unlike traditional TPS (Transaction Processing Systems) which focus on day-to-day operations, ERP systems provide a comprehensive view of an organization's operations by integrating multiple functions such as finance, HR, inventory, and sales.
While traditional TPS, MIS (Management Information Systems), and DSS (Decision Support Systems) are designed to support specific operational or managerial tasks, an ERP system integrates these functionalities into a single platform. This integration allows ERP systems to provide real-time data, streamline workflows, and enhance collaboration across departments.
An ERP system can support all levels of management as it provides accurate and up-to-date information that enables decision-making at various levels. For example, operational managers can use ERP to monitor production schedules and inventory levels, while top-level managers can access financial reports and strategic insights to guide business planning and decision-making.
ERP systems differ from traditional TPS, MIS, DSS, and others by integrating multiple functions into a single platform. While traditional systems focus on specific tasks, ERP systems provide a comprehensive view of an organization's operations. They support all levels of management by providing real-time data and facilitating decision-making at various levels. For example, operational managers can monitor production schedules, while top-level managers can access financial reports and strategic insights.
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Richard, a college student, agrees to participate in a research on dyslexic children as he was dyslexic in his childhood. The basic details given to Richard convince him to participate in the research. Hence, Richard agrees to participate in the research on the basis of _____.
Dyslexia is a learning disorder that makes it difficult for people to learn to read, despite the fact that they are intelligent and willing to do so.
How do dyslexic individuals behave?You'll probably read slowly and feel as though you have to exert extra effort. You might interpret the letters in a word incorrectly, such as "now" being read as "won" or "left" being read as "feel." Additionally, words might merge together and lose their spacing. It's possible that you won't be able to recall what you read.
Which four types of dyslexia are there?There are various varieties of dyslexia, including phonological dyslexia, quick naming dyslexia, double deficit dyslexia, surface dyslexia, and acquired dyslexia, which results from a severe brain damage or disease.
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