Microsoft distributes OS updates regularly. Suppose it has to release an update to the operating system that is 100 MB in size. The number of users it has to distribute the update to is N. The bandwidth coming out of Microsoft is unlimited, however, the server pool they have can support a maximum of 1,000 simultaneous downloads. The clients are mixed, 50% of them have 1Mbps download and 500 Kbps upload capacity. The remaining 50% of them have 5Mbps download and 500Kbps upload capacity. Assume that the P2P system is "perfect", i.e. all nodes can immediately start uploading at full speed.
For values of N being (i) 100,000
(a) The total time it takes until the last client has received the patch using a client-server solution residing at Microsoft. (5 points)
(b) The total time it takes assuming a perfect BitTorrent style P2P distribution system. (5 points)
Answers
For N = 100,000, total time = 100,000/1,000 = 100 seconds.
For N = 100,000, total time = 100,000/2,500 (2,500 being the total download/upload capacity of the two groups combined) = 40 seconds
For a client-server solution, the total time until the last client receives the patch will be dependent on the number of users (N) and the capacity of the server pool to support simultaneous downloads. Assuming Microsoft's server pool can support 1,000 simultaneous downloads and the clients are mixed (50% with 1Mbps download/500Kbps upload capacity, 50% with 5Mbps download/500Kbps upload capacity), the total time until the last client has received the patch will be: For N = 100,000, total time = 100,000/1,000 = 100 seconds.
For a perfect Bit Torrent-style P2P distribution system, the total time until the last client has received the patch will be dependent on the number of nodes (N) and the download/upload capacities of each node. Assuming the clients are mixed (50% with 1Mbps download/500Kbps upload capacity, 50% with 5Mbps download/500Kbps upload capacity), the total time until the last client has received the patch will be:
For N = 100,000, total time = 100,000/2,500 (2,500 being the total download/upload capacity of the two groups combined) = 40 seconds.
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Related Questions
tle electrical instulation maintance
1.what is inventory 2. what is job order 3. what is barrow form 4. what is purchase request
Answers
Inventory refers to the process of keeping track of all materials and equipment used in electrical insulation maintenance. A job order is a document that contains all the information necessary to complete a specific maintenance task.
Definition of the aforementioned questions1) Inventory refers to the process of keeping track of all materials and equipment used in electrical insulation maintenance. This includes maintaining a list of all the items in stock, monitoring their usage, and ensuring that there are enough supplies to meet the demands of the job.
2) A job order is a document that contains all the information necessary to complete a specific maintenance task. This includes details about the task, such as the materials and tools required, the location of the work, and any safety considerations.
3) A barrow form is a document used to request materials or equipment from the inventory. It contains details about the requested item, including the quantity, the purpose of the request, and the name of the person or team making the request. The form is usually signed by an authorized person and submitted to the inventory manager or other appropriate personnel.
4) A purchase request is a document used to initiate the process of purchasing new materials or equipment for the electrical insulation maintenance program. It contains details about the item to be purchased, including the quantity, the cost, and the vendor or supplier. The purchase request is typically reviewed and approved by a supervisor or manager before the purchase is made.
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Does anyone know where i could watch the move
“little house: look back to yesterday” i cant find it ANYWHERE!!!!
Answers
Answer:
AMC Rosemary Square 12 and Apple The Gardens Mall and Muvico Theaters Automatic Ticketing and Rosemary Square and Apple Wellington Green and Walmart Supercenter
Explanation:
All of the following are examples of ancillary functions you may be asked to do in your department as a user of information systems (IS) except ________.
Group of answer choices
Create a database
Perform tasks while the system is down.
Protect the security of the system
Employ the system
Back up data
Answers
Except for doing duties while the system is down, all of the following are examples of auxiliary functions you may be required to conduct in your department as an information system (IS) user.
What exactly is an information system?An information system (IS) is a collection of components that acquire, process, store, and distribute data in an organization to aid decision-making, control, coordination, analysis, and visualization.
Information systems are employed in many different fields, including business, finance, logistics, and healthcare. As a user of information systems (IS), you may be requested to perform the following ancillary duties in your department:
Make a database.
Maintain the system's security.
Use the system.
Make a backup of your data.
But, as an information system user, doing duties while the system is down is not an additional duty you may be requested to conduct in your department (IS). When a system fails, users must report the problem to the IT staff rather than executing any tasks.
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How did tribes profit most from cattle drives that passed through their land?
A.
by successfully collecting taxes from every drover who used their lands
B.
by buying cattle from ranchers to keep for themselves
C.
by selling cattle that would be taken to Texas ranches
D.
by leasing grazing land to ranchers and drovers from Texas
Answers
The way that the tribes profit most from cattle drives that passed through their land is option D. By leasing grazing land to ranchers and drovers from Texas.
How did Native Americans gain from the long cattle drives?When Oklahoma became a state in 1907, the reservation system there was essentially abolished. In Indian Territory, cattle were and are the dominant economic driver.
Tolls on moving livestock, exporting their own animals, and leasing their territory for grazing were all sources of income for the tribes.
There were several cattle drives between 1867 and 1893. Cattle drives were conducted to supply the demand for beef in the east and to provide the cattlemen with a means of livelihood after the Civil War when the great cities in the northeast lacked livestock.
Lastly, Abolishing Cattle Drives: Soon after the Civil War, it began, and after the railroads reached Texas, it came to an end.
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real evidence is: any written evidence, such as printed reports or data in log files. documentation that provides details of every move and access of evidence. any observable occurrence within a computer or network. any physical object that you can touch, hold, and directly observe.
Answers
The correct statement is "any physical object that you can touch, hold, and directly observe".
Real evidence is defined as any physical object that can be touched, held, and directly observed. It refers to tangible items that serve as proof or support in a case.
This evidence can include things like documents, weapons, or any other physical objects that provide valuable information. Real evidence is crucial in investigations and legal proceedings because it can provide concrete proof of events or actions.
It is distinct from other forms of evidence, such as written evidence or digital data, as it is something that can be physically examined and observed.
Real evidence plays an essential role in establishing facts and drawing conclusions in various legal and investigative situations.
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The complete question is:
Choose the correct statement:
Real evidence is:
"any written evidence, such as printed reports or data in log files". "0documentation that provides details of every move and access of evidence".
"any observable occurrence within a computer or network".
"any physical object that you can touch, hold, and directly observe".
Describe an obvious business rule that would be associated with the Reserv__dte attribute in the RESERVATION entity type
Answers
Valid reservation dates. One obvious business rule associated with the Reserv__dte attribute in the RESERVATION entity type could be that the reservation date should always be in the future.
An obvious business rule associated with the Reserv__dte attribute in the RESERVATION entity type is that the reservation date should be within a specific range or within a certain timeframe. This rule ensures that reservations can only be made for valid and relevant dates. For example, it may stipulate that reservations can only be made for dates within the next six months or within the current calendar year. This rule helps prevent users from making reservations too far in advance or for dates that are too far in the future, ensuring that the reservation system operates within a manageable and practical timeframe.This rule ensures that reservations can only be made for upcoming dates and prevents users from making reservations for past dates.
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essay on the importance of computer and internet 250 word
Answers
With the significant progress in technology, the importance of the internet has only multiplied with time. The dependence on the internet has been because of multiple advantages that it has to offer – for instance reducing the work stress and changing the face of communication most importantly. By employing the correct usage of the internet, we can find various information about the world. The internet hosts Wikipedia, which is considered to be one of the largest best-composed reference books kept up by a vast community of volunteer scholars and editors from all over the world. Through the internet, one may get answers to all their curiosity. In the education sector too, it plays a major role, especially taking into consideration the pandemic. The Internet during the pandemic provided an easy alternative to replace the traditional education system and offers additional resources for studying, students can take their classes in the comforts of their homes. Through the internet, they can also browse for classes – lectures at no extra cost. The presence of the internet is slowly replacing the use of traditional newspapers. It offers various recreational advantages as well. It can be correctly said that the internet plays a great role in the enhancement of quality of life.
Answer:
Computers and the internet are highly prevalent and crucial in our everyday lives since they are the method by which the current enormous world is linked and becomes one. Computers have altered human life by making things faster and more efficient. Individuals may generate, store, and retain data. Computers and the internet are used by businesses in a variety of areas, including banking, retail, education, and so on. Because of the rising technical capabilities of Internet connectivity, the processing and utilization of information and knowledge is becoming extremely important for society. Since the dawn of the modern era, the Internet has been an outstanding tool for global informatization. It is a fair and accessible source of varied information as well as a mechanism of knowledge dissemination. Computers are incredibly significant today since they are very precise, speedy, and can effortlessly do numerous jobs. Manually doing those activities would take significantly more time. It can perform extremely complex computations in a fraction of a second. Furthermore, it can hold a large quantity of data. One may obtain a variety of knowledge about the globe by using the internet correctly. The internet can provide answers to all of one's questions. It also plays an important part in the education sector since it is an easy alternative to the traditional education system and provides additional learning materials; students may attend their lectures from the comfort of their own homes. They may also search for lessons and lectures on the internet for free.
Why did most Southern plantation owners profit from growing cotton?
They didn't need to buy as much land, so the cost of growing cotton was cheaper.
They didn't need as much labor to grow cotton, so the cost of enslaving people decreased.
They increased the number of enslaved people and forced them to work for no pay.
The government allowed them to purchase land at cheap prices.
Answers
Answer:
They increased the number of enslaved people and forced them to work for no pay.
Explanation:
2.03 Quiz: Cotton and the South
Answer:
They increased the number of enslaved people and forced them to work for no pay.
Explanation:
The _____ button is located on the Title bar of the word window ( start/ office)
Answers
Indeterminacy is a guaranteed indication of the presence of a parallel programming bug. true or false
Answers
False. Indeterminacy can also arise due to external factors like network delays, hardware failures, or non-deterministic algorithms. However, parallel programming bugs are a common cause of indeterminacy.
Indeterminacy refers to a situation where the outcome of a program is not predictable, i.e., different runs of the program can produce different results. Parallel programming bugs, such as race conditions or deadlocks, can cause indeterminacy in parallel programs. However, other factors like network delays or hardware failures can also cause indeterminacy. Additionally, some algorithms, like randomized algorithms, are inherently non-deterministic and can produce different results with different input. Therefore, while parallel programming bugs are a common cause of indeterminacy, they are not the only cause.
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Write an expression that evaluates to true if the value of the int variable widthOfBox is not divisible by the value of the int variable widthOfBook. Assume that widthOfBook is not zero. ("Not divisible" means has a remainder.)
Answers
Answer:
The expression is:
if widthOfBox % widthOfBook != 0
Explanation:
Given
Variables:
(1) widthOfBox and
(2) widthOfBook
Required
Statement that checks if (1) is divisible by (2)
To do this, we make use of the modulo operator. This checks if (1) is divisible by 2
If the result of the operation is 0, then (1) can be divided by (2)
Else, (1) can not be divided by (2)
From the question, we need the statement to be true if the numbers are not divisible.
So, we make use of the not equal to operator alongside the modulo operator
Imagine you have borrowed your friend's computer to work on a class project. Checking
the computer out, you notice they've left their web browser open and are signed in to
their email account. Would it be considered a computer crime to read their email, even
though you didn't "hack" their password? What if they had left a text file on their
desktop that included personal information, like their social security number, banking
and credit card information, passwords for sites, etc., but didn't have it password
protected-would accessing that file be a computer crime, even though there was no
password protection on it? Explain your answers
Answers
Answer:
Yes.It would be considered as a computer Crime.
Explanation:
This is because you are an unauthorised user
It would be considered a computer crime when one accesses unauthorized information.
What are computer crimes?Computer crimes are also known as cyber crimes. It ranges from accessing information illegally, committing fraud, phishing, identity theft, and so on.
When a user of a computer accesses information that is unauthorized on the computer, such a user has committed a computer crime. It does not matter whether the accessed information is password-protected or otherwise. If it is not stated categorically that such information can be freely accessed, then accessing it is illegal.
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This refers to the attributes, characteristics, lifestyle, and skills of an individual.
Answers
Answer:
personality
Explanation:
Indeed, an individual's personality constitutes their attributes, characteristics, lifestyle, and skills.
For example, an individual may showcase the attributes of physical beauty, or intelligence or they may possess fine artistic skills, live a simple lifestyle etc.
float('3.66') converts the string "3.5" to a float. Which statement is true? You need to import the float() method from the math module. When you first open IDLE, you can use the float() function. You need to import float() from the random module. There is no float() function. You need to write your own.
Answers
Answer:
When you first open IDLE, you can use the float() function
Explanation:
i bellive this is the rigtht anser but i am not 100%
in this lab, your task is to: remove cflynn from the hr group. preserve all other group memberships. view the /etc/group file or use the groups command to verify the changes.
Answers
The command should now display the updated group memberships for the user "cflynn."
As an AI language model, I don't have direct access to the file system or the ability to execute commands on a specific machine. However, I can guide you on how to remove a user from a group on a Linux-based system using the command line.
To remove the user "cflynn" from the "hr" group while preserving other group memberships, you can follow these steps:
1. Open a terminal or SSH into the Linux machine.
2. Log in as a user with administrative privileges or switch to the root user.
3. Verify the current group memberships of the user "cflynn" using either the `/etc/group` file or the `groups` command. For example, you can use the following command:
```bash
groups cflynn
```
This command will display the groups that the user "cflynn" is currently a member of.
4. Remove the user "cflynn" from the "hr" group using the `gpasswd` command. Execute the following command:
```bash
sudo gpasswd -d cflynn hr
```
This command will remove the user "cflynn" from the "hr" group.
5. Verify the changes by checking the group memberships of the user "cflynn" again using either the `/etc/group` file or the `groups` command.
```bash
groups cflynn
```
The command should now display the updated group memberships for the user "cflynn."
Please note that these instructions are for guidance purposes, and it's always recommended to have proper backups and follow your organization's security and access control policies when modifying user groups.
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a set of these should exist in both document form and software form for any organization.:__
Answers
A set of these should exist in both document form and software form for any organization are the standard operating procedures (SOPs).
SOPs are a set of instructions that outline how specific tasks should be performed in an organization. These procedures are essential to ensure consistency and efficiency in operations, reduce errors, and improve productivity.
Having SOPs in document form is necessary as it provides a physical copy that can be accessed easily by employees and stakeholders. This form can be printed and distributed to all relevant personnel, ensuring that everyone is aware of the procedures. It also serves as a reference document that can be used to train new employees.
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Deciding if a cyberattack is serious enough to warrant shutting down or disconnecting a critical system from the network is a difficult decision. What factors do you believe should be taken into account when making this decision and why are they important. Be detailed in your response.
Answers
Factors to consider for cyberattack : Impact assessment, attack progression, risk to safety/security, containment effectiveness, business impact, regulatory compliance. These factors are important to protect system integrity and prevent further damage.
When deciding whether to shut down or disconnect a critical system from the network due to a cyberattack, several factors should be considered:
Impact Assessment: Evaluate the potential consequences of the cyberattack on the critical system, including the extent of damage, loss of data, disruption of services, and potential harm to individuals or infrastructure.Attack Vector and Progression: Determine the attack vector used and assess how the attack is progressing. If the attack is spreading rapidly or exploiting critical vulnerabilities, immediate action may be necessary.Risk to Safety and Security: Assess the risks to the safety of personnel, public safety, national security, or the physical infrastructure associated with the critical system. If there is a significant risk, disconnecting or shutting down the system may be necessary.Containment and Mitigation Measures: Evaluate the effectiveness of current containment and mitigation measures. If the attack is evading or bypassing existing defenses, shutting down or disconnecting the system may be required to prevent further damage.Business Impact: Consider the potential financial and operational impact of shutting down or disconnecting the critical system. Balancing the potential consequences of the cyberattack with the impact of disruption is crucial.Regulatory and Legal Obligations: Consider any legal or regulatory requirements regarding cyber incident response and reporting. Compliance with applicable laws and regulations is essential in making the decision.These factors help organizations make informed decisions based on the potential risks, impact, and overall security posture, ensuring the protection of critical systems and minimizing the impact of cyberattacks.
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What is binary ????????
Answers
Binary (or base-2) a numeric system that only uses two digits — 0 and 1. Computers operate in binary, meaning they store data and perform calculations using only zeros and ones. A single binary digit can only represent True (1) or False (0) in boolean logic.1. Binary is a base-2 number system invented by Gottfried Leibniz that is made up of only two numbers: 0 and 1. This number system is the basis for all binary code, which is used to write data such as the computer processor instructions used every day.
Answer:
it is a numeric system that only uses two digits 1 and 0, computers can operate using binary meaning they store data and perform calculations only using 0 and 1
when backing up an ios device to a cloud service the first recommended step is to
Answers
Answer:
make sure that your device is connected to wifi
Explanation:
I think that's the answer because cloud service needs wifi (duh). Hope this helps!
Answer:
The first recommended step is to connect to an internet connect, and not your mobile WiFi as it can take a lot of GB.
what page in ipps-a can a search be performed to locate a restrictions report?
Answers
The page in ipps-a to perform a search for a restrictions report is the "Search" page. On this page, users can enter specific search criteria to narrow the results of the search
What is search?Search is the process of looking for information using a combination of words, phrases, images, and other criteria. It is a method of finding items in a database, such as a web page, an image, or a document. The purpose of search is to find something that is relevant to a user’s query. A search engine is a program that helps a user find information on the internet. It typically gathers data from a variety of online sources and presents the user with a list of results. Search engines can be used to search the web, images, videos, and more. Searching has become an integral part of our lives and is used for various purposes, such as finding answers to questions, researching a topic, or locating a product or service.
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what is the result obtained after data processing called?
Answers
Answer:
the result after data processing is called output
Answer:
The meaningful result obtained after processing is known as information. The collection of computer programs and related data that provide the instructions telling a computer what to do is called software
2 WAp to input the radius and print
the area of circle
Answers
\(\tt r=float(input("Enter\:the\:value\:for\:radius\:of\:circle"))\)
\(\tt x=3.14*\:r**2\)
\(\tt print("Area\:of\:Circle=\{x\}")\)
Sample run:-\(\tt r=3\)
\(\tt Area\:of\:the\:circle=28.26\)
describe at least five ways in which Information Technology can help students studying subject other than computing
Answers
Answer:
‘Computer Science’ and ‘information technology’ are completely different subjects. Information Technology (IT) is-
(i) the study,
(ii) design,
(iii) development,
(iv) implementation, and
(v) support or management
of computer-based information systems, particularly software applications and computer hardware.
Information Technology (IT) deals with the use of electronic computers and computer software to-
(i) convert,
(ii) store,
(iii) protect,
(iv) process,
(v) transmit, and
(vi) securely retrieve information.
Shortly, information technology (IT) itself means learning to use technology in business or in studies of some subject matter using technology.
Hence, IT could help students studying subjects other than computing with the above mentioned points considered.
What should I write in my script for shifting?
Answers
The first step in shifting is scripting, which is incredibly beneficial for remembering specifics of your preferred reality even though it isn't necessary.
How can I script games for ?Several containers can be used in the Explorer to store scripts. When a part is loaded into a game and a script is placed underneath it, will execute the script's code. To add a new script to the platform, click the + button while your cursor is over the Disappearing Platform portion in the Explorer window.
How does one write a three-minute script?To compose a brief script of three minutes or longer, follow these simple instructions: An issue faced by a character at the start, his or her contrasting responses in the middle, and the resolution (end). All done!
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this submission has two parts. Complete the two sections of this assignment in Microsoft Word and submit below. Writing assignments using Microsoft Word should be single spaced and include your name and date at the top. Please submit Part 1 and Part 2 as a single file. Part 1: In one full page discuss the difference between gesource loading and resource leveling and provide an example of when you would use each technique. Part 2: In one full page please describe the dysfunction of a group you have been involved with (refer to Chapter 9 to refresh yourself about possible dysfunctions) and how it affected the group. Also, explain how the dysfunction was or could have been addressed to improve group performance.
Answers
Manage resource allocation with resource loading and leveling in project management. Resource loading assigns resources to activities based on availability and required effort.
What is the resourceResource loading optimizes allocation of resources, without considering conflicts or overloading. Managing a dev project with team. Assign tasks to developers based on skills and availability to maximize productivity and workload in resource loading.
Resource leveling balances resource allocation over time, considering availability and constraints. Goal: Avoid resource conflicts and evenly distribute workload on team. Resource leveling involves adjusting tasks and resources to even out the utilization curve.
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How do i fix this? ((My computer is on))
Answers
Answer:
the picture is not clear. there could be many reasons of why this is happening. has your computer had any physical damage recently?
Answer:your computer had a Damage by u get it 101 Battery
and if u want to fix it go to laptop shop and tells him to fix this laptop
Explanation:
you want to store your computer-generated audit logs in case they are needed in the future for examination or to be used as evidence in the event of a security incident. which method can you use to ensure that the logs you put in storage have not been altered when you use them in the future?
Answers
Answer:
Create a hash of each log
Explanation:
Toothpicks are used to make a grid that is60toothpicks long and32toothpicks wide. How many toothpicks are used altogether?
Answers
Answer:
184 toothpicks
Explanation:
60 toothpicks+60 toothpicks+32 toothpicks + 32 toothpicks = 184 toothpicks
Answer:
3932
Explanation:
So, For 60×32 grid toothpicks required = 2x60x32 +60+32 = 3932*
What is the difference between apple store and play store
Answers
what is acceleration?
Answers
Explanation:
Acceleration is the name we give to any process where the velocity changes. Since velocity is a speed and a direction, there are only two ways for you to accelerate: change your speed or change your direction or change both.