Describe some limitations of transport-level protocols,
e.g., TCP, UDP, etc., that necessitate the construction of
middleware. How does middleware help alleviate these
limitations?
Answers
Transport-level protocols like TCP and UDP have certain limitations that make the construction of middleware necessary. Middleware refers to software components or services that sit between the application layer and the transport layer, providing additional functionalities and addressing these limitations.
One of the limitations of transport-level protocols is that they primarily focus on reliable data transmission and packet delivery. However, they may not provide features such as message queuing, publish-subscribe models, event-driven architectures, or support for complex communication patterns required by modern distributed systems.
Middleware helps alleviate these limitations by providing abstractions and services that enhance the functionality of transport-level protocols. For example, middleware can offer messaging queues or event brokers that enable asynchronous communication and decouple sender and receiver applications. It can also provide support for distributed transactions, security mechanisms, load balancing, and fault tolerance, which are not inherently provided by the transport-level protocols.
By incorporating middleware, applications can benefit from higher-level abstractions and services that facilitate the development of complex distributed systems. Middleware acts as a bridge between the transport-level protocols and the application layer, extending the capabilities of the underlying protocols and providing a more flexible and scalable communication infrastructure.
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Related Questions
How do you add a new comment to a document?
A. Choose the References tab, then New Comment.
B. Choose the Layout tab, then Insert Comment.
C. Choose the File tab, then New Comment.
D. Choose the Review tab, then New Comment.
Answers
Answer:
D. Choose the Review tab, then New Comment
Explanation:
It's quite easy to add comments to word documents.
From the list of given options, only option D satisfy the given question.
To add comments to a text, you simply highlight the text
Go to the review tab then select new comment.
Once you follow these simple steps, a new comment will be created in your word document.
The correct answer is D. Choose the Review tab, then New Comment.
If you go to the review tab in Microsoft Word, the center there is a group labeled Comments. There's a large button on the left-hand side in that group labeled New Comment.
Hope this helps :)
Anyone know? I don’t know how to do this. Btw this is robotics and this is RPM
Answers
Answer:
it is the 2nd one
Explanation:
you are consulting a small startup company that needs to know which kind of windows computer network model they should implement. the company intends to start small with only 12 employees, but they plan to double or triple in size within 12 months. the company founders want to make sure they are prepared for growth. which networking model should they implement? answer wireless wired workgroup public standalone client-server
Answers
The networking model that the small startup company should implement is the client-server model.
What is the client-server model of networking?A client-server network is a distributed architecture where a central computer serves as a hub, providing services and managing resources to various client computers.
The server stores and processes data for many clients, which are connected to it. Clients may communicate with each other through the central server's resources.To accommodate growth, a client-server model would be ideal because it provides scalability and flexibility for future growth.
A client-server network model can expand its size based on the number of clients that connect to the server. As a result, it is the best option for the small startup company that intends to double or triple its workforce in a year.
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A subquery whose return value depends on the row being returned in a main query is called a(n) _____ query.
Answers
Answer:
correlated
Explanation:
A correlated subquery is a method of reading each row of a table and comparing the values in each row to related data. It's utilized when a subquery has to deliver a different result or collection of results for each candidate row that the main query considers. I hope this helps! ^-^
Write a program to read customer number, Name, loan amount, interest rate and time of repayment. Calculate and display the EMI .To calculate EMI, calculate interest amount using formula: Interest amount = loan amount(1+ rate/100)time . Then add Interest amount to loan amount and divide by time (in months).
Answers
Answer:
The programming language is not stated; however, I'll answer this question using Python programming language.
This program doesn't make use of comments (See Explanation Section for detailed explanation)
The program is as follows
name = input("Customer Name: ")
number = input("Customer Number: ")
loan = float(input("Loan Amount: "))
rate = float(input("Interest Rate: "))
time = int(input("Repayment Time [in months] : "))
Interest = loan * (1 + rate/100) ** time
EMI = (Interest + loan)/time
print("EMI: ", end='')
print(round(EMI,2))
Explanation:
This line prompts for customers' name
name = input("Customer Name: ")
This line prompts for customers'number
number = input("Customer Number: ")
This line prompts for loan amount
loan = float(input("Loan Amount: "))
The line prompts for the interest rate
rate = float(input("Interest Rate: "))
This line prompts for time of loan repayment
time = int(input("Repayment Time [in months] : "))
Using the given formula, this line calculates the interest amount
Interest = loan * (1 + rate/100) ** time
The EMI is calculated using this line
EMI = (Interest + loan)/time
This line prints the string "EMI: " without the quotes
print("EMI: ", end='')
The last line of the program prints the calculated value of EMI, rounding it up to 2 decimal places
print(round(EMI,2))
who was the first woman to host a network news program solo?
Answers
Answer: Katie Couric
Explanation: On September 5, 2006, Katie Couric makes headlines—and TV history—with her highly publicized debut as the first female solo anchor of a weekday network evening news broadcast, CBS Evening News with Katie Couric.
Identify way computer are used in television production
Answers
Answer:
image editing, text om screen, weather graphics, animation, sattelites ... a lot more possibilites are endless just limited
Your boss has informed you that three aging servers must be replaced with a single physical server. However, you have found that two of the servers are running 64-bit applications that conflict with one another and cannot be installed on the same OS. Do you have a solution for this problem?
Answers
Yes, there is a solution for this problem. The solution is to use virtualization technology to create multiple virtual servers on the single physical server.
With virtualization, you can create separate virtual machines (VMs) on the single physical server, each with its own operating system and applications. This will allow you to run the two 64-bit applications that conflict with one another on separate VMs, while still in the consolidating the three aging servers onto a single physical server. Virtualization can mostly also provide additional benefits, such as the improved resource utilization and easier management of the server environment.
However, it's important to note that virtualization technology is not a one-size-fits-all solution and must be carefully planned and implemented to meet the specific needs of an organization.
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write a program to enter base and height of a triangle and print area of rectangle using Q Basic. (class8)
Answers
Answer:................................
Cls
Input " enter the base";b
Input" enter the height ";h
A = b*h
Print" the area of triangle=" ;a
End
accidentally text the wrong person? immediately put your phone on airplane mode and once it fails to deliver, delete the message.
Answers
1-5 Safety measures in the use of kitchen tools and equipment.
Answers
Answer:
Safety measures are as follows;
Explanation:
Hold the delicate instruments cautiously to use them.Require appropriate use of the equipment in the kitchen.Users should remove these defective instruments or discard of them.During and before use, check that perhaps the resources that will be used are indeed safe.In a cold and dry spot, all equipment must be kept.list 20 specific purpose of application software
Answers
Answer:
1. Word processing
2. Spreadsheet creation and analysis
3. Database management
4. Presentation creation and delivery
5. Graphic design and editing
6. Video editing
7. Music production
8. Web browsing
9. Email management
10. Project management
11. Time tracking and monitoring
12. Accounting and financial management
13. Inventory and supply chain management
14. Human resources management
15. Customer relationship management
16. Sales management
17. Marketing management
18. Education and training
19. Healthcare management
20. Scientific research and analysis
"necessarily is the mother of computer " justify this statement with respect to the evolution of computer.
Answers
Explanation:
Computers in the form of personal desktop computers, laptops and tablets have become such an important part of everyday living that it can be difficult to remember a time when they did not exist. In reality, computers as they are known and used today are still relatively new. Although computers have technically been in use since the abacus approximately 5000 years ago,
you are troubleshooting an issue with multiple workstations that are having network connectivity issues. the network also has two servers connected to the network, but they do not have any connectivity issues. you look at the network configuration of the two servers and notice they are using static ip addresses. based on what you know so far, what is most likely the cause of the workstation's network connectivity issue?
Answers
Based on the information provided, the most likely cause of the workstation's network connectivity issue is related to IP address configuration. It could be due to conflicts over dynamic IP addresses or incorrect DHCP settings. Since the servers with static IP addresses do not have any connectivity issues, the problem is most likely with the workstations receiving their IP addresses dynamically
Based on the information given, the most likely cause of the workstations network connectivity issue is that they are not configured with static IP addresses like the two servers. Dynamic IP addresses can sometimes cause connectivity issues. When a device is assigned a dynamic IP address, it may change from time to time. When a device that was assigned an IP address connects to the network again, it might receive a different IP address, which may lead to connectivity issues. It is vital that you configure the network devices with static IP addresses. If the devices were given dynamic IP addresses, there might be a connectivity issue due to a mismatch in the IP address configuration.
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Consider the following instruction stream: 1. 2. 3. 4. 5. 5. 7. add t3, to, ti lw t2, 0(t3) neg t2, t2 addi t2, t2, 1 lw t4, 4(t3) add t4, t4, t2 sw t4, 4(+3) (2 points each) a. Assume all load and store instructions (lw and sw) require 12 clock pulses while all other instructions require 5 clock pulses. What is the CPI of this instruction stream? b. If the clock frequency is 1 GHz, what is the CPU time for part a? C. Assume the first lw instruction (instruction 2) now requires 18 clock pulses but the following lw and sw (instructions 5 and 7) only require 6 clock pulses. What is the new CPI of this instruction stream? d. If the clock frequency is 1 GHz, what is the CPU time for part c? e. The number of clock pulses for the first lw instruction increased from 12 in part a to 18 in part c. Despite this increase, part c has a better CPU time. Why does part c have a better CPU time?
Answers
(a) CPI = 5.5, (b) CPU time = 5.5 ns, (c) CPI = 4.8, (d) CPU time = 4.8 ns, (e) shorter load times in c.
a. The total number of clock cycles required for this instruction stream is:
5 + 12 + 5 + 5 + 12 + 5 + 5 = 49
The average CPI (cycles per instruction) is:
49/7 = 7
b. The CPU time is given by:
CPU time = Instruction count x CPI / Clock rate
Assuming 1 instruction per clock cycle, the instruction count is equal to the number of clock cycles, which is 49.
Therefore, the CPU time is:
49 / (1 x \(10^9\) ) = 49 ns
c. The new total number of clock cycles required for this instruction stream is:
5 + 18 + 5 + 5 + 6 + 5 + 6 = 45
The new average CPI is:
45/7 = 6.43
d. The CPU time is:
45 / (1 x \(10^9\) ) = 45 ns
e. Although the first lw instruction requires more clock cycles in part c, the overall CPI for the instruction stream is lower because the subsequent lw and sw instructions require fewer clock cycles. This reduces the average CPI for the instruction stream, resulting in a better CPU time despite the increased clock cycles for the first lw instruction. This highlights the importance of optimizing instruction scheduling and taking into account the impact of subsequent instructions on overall performance.
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Create two PHP programs (input.php) and (output.php) that will input a number and print its square.
Answers
Answer:
<?php
$x=15;
$y=30;
$z=$x+$y;
_____ Can involve a tremendous amount of horizontal scrolling and require much zooming on small viewports.
A) Open layouts
B) Liquid layouts
C) Fixed layouts
D) Fluid layouts
Answers
Fixed layouts can involve a tremendous amount of horizontal scrolling and require much zooming on small viewports.
An outline with a fixed width in pixels is known as fixed layout or static layout. As the name proposes, the design is modified to be fixed. Therefore, the width of the elements will remain constant regardless of screen resolution or size. In other words, users will have the same viewing experience on all devices, whether they are smartphones, tablets, computers, or laptops. Based on the assumption that readers browse in resolutions greater than 1024 x 768, the majority of fixed layout eBooks employ a width of 960 pixels.
Fixed layout is preferred by the majority of publishers primarily due to its ease of production from print files. The assurance that the design is viewed by users in the same way as it is by the publisher follows next. Here are a portion of the benefits and impediments of the proper format.
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Which action requires an organization to carry out a Privacy Impact Assessment?
A. Storing paper-based records
B. Collecting PII to store in a new information system
C. Collecting any CUI. including but not limited to PII
D. Collecting PII to store in a National Security System
Answers
Collecting PII to store in a new information system requires an organization to carry out a Privacy Impact Assessment.
What is Privacy Impact Assessment?
Privacy Impact Assessment (PIA) is a process of examining how personal data is collected, used, stored, and shared by an organization. A PIA helps to identify and mitigate potential privacy risks to individuals and their personal information. It is an important tool for organizations to ensure that their data collection practices are compliant with applicable privacy laws and regulations. The PIA process includes analyzing the data flow from collection to storage, understanding the purpose of the data collection, and determining the privacy risks associated with the data. By conducting a PIA, organizations can identify and address potential privacy concerns, ensure that appropriate security measures are taken to protect personal data, and improve overall data management practices.
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T/F embedded computers usually are small and have limited hardware but enhance the capabilities of everyday devices.
Answers
It's TRUE that embedded computers usually are small and have limited hardware but enhance the capabilities of everyday devices.
Why embedded computers usually are small?
Embedded computers are compact computer systems that are integrated into other devices to add functionality. They are designed to operate in limited resource environments with low power consumption, limited memory, and processing power.
Embedded computers are used in various applications such as household appliances, medical devices, automotive systems, and industrial automation systems. These devices perform specific tasks and interact with their surrounding environment to enhance the capabilities of everyday devices and simplify our lives.
The compact size and specialized design of embedded computers make them ideal for use in a variety of applications where traditional computers would be too large or consume too much power.
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What is the command to view the partition?
Answers
To view partition on a Unix-based system, use "sudo fdisk -l" or "lsblk" command in the terminal.
To view partition on a Unix-based system such as Linux or macOS, you can use the "fdisk" command. Here's how:
Open a terminal window.Type "sudo fdisk -l" and press Enter. This will show you a list of all the partitions on your hard disk(s).You will need to enter your password to run the command with elevated privileges.Alternatively, you can use the "lsblk" command to view a list of all block devices (including partitions) and their mount points:
Open a terminal window.Type "lsblk" and press Enter. This will show you a list of all the block devices on your system, including partitions and their mount points (if any).If you want more detailed information, you can use the "-a" flag to show all devices, including empty ones, and the "-o" flag to specify which columns of information to display (e.g., "lsblk -ao NAME,SIZE,MOUNTPOINT").Learn more about Linux here:
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Henry wants to use handheld computers to take customers' orders in her restaurant. He is thinking of using custom written, open source software. Describe what is meant by custom written software.
Answers
Answer: See explanation
Explanation:
Custom written software refers to the software that's developed for some particular organization or users. It's crates in order to meet the unique requirements of a business.
Since Henry is thinking of using custom written, open source software, then a custom written software will be used. Examples of custom written software will be automated invoicing, bug tracking software, E-commerce software solutions etc.
One new and creative method companies are using to advertise is:
A. stealing people's identities and pretending to be their friend.
B. promoting their products in television advertisements.
c. advertising products on the websites people visit the most.
O D. awarding prizes to users who follow them on social media.
SUBMIT
Answers
Answer:
c. advertising products on the websites people visit the most.
Explanation:
plz don't copyright off other websites I give brainliest
In one to two sentences, describe one method for launching or opening a program.
Answers
Answer:
There are a few different ways, the most common and useful is going to start menu and scrolling to find the applicaation then click on it to open, another way is going to start menu and doing a search, You can always go to cortana and ask her to find it for you, and last but least go files and right click.
Explanation:
Give three general features of application software
Answers
Answer:
Three general features of application software are:
1. User Interface: Application software has a user interface that allows users to interact with the program. This interface can include menus, icons, buttons, and other graphical elements that make it easy for users to navigate the software and access its features.
2. Functionality: Application software is designed to perform specific tasks or functions. Examples of application software include word processors, spreadsheet programs, graphic design software, and web browsers. Each of these programs has a specific set of features and functions that are tailored to the needs of its users.
3. Customization: Application software can often be customized to meet the specific needs of individual users or organizations. For example, a spreadsheet program can be customized to include specific formulas and calculations that are unique to a particular business or industry. Customization allows users to tailor the software to their specific needs, making it more efficient and effective for their particular use case.
who elso does their online school in their bed cause i do
Answers
Answer:
yeah same
Explanation:
I do
it just feels right
how can we use fork() to specify different behavior for the child process, even if its code is a duplicate of the parent's?
Answers
Process creation is done using the system function fork(). It gives back a process ID and requires no arguments. Forking is a method used to start a new process.
In CodePen, how do you copy pens?Fork. On CodePen, you may copy any prototype. Both your own pens or other people's prototypes fall under this category. Click on Fork button at the top right to make a copy of a pen.
What does CodePen's debug mode do?The only mode on CodePen in which you can see a sample of the code with only an editor is Debug View.
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What is the power of 3 shch that it's power is 1/3 ?
Answers
Answer:
3/1-1
Explanation:
Based on what you know about the Sort and Find functions, return to the database file to determine the answers to these questions.
How many people in the database have a birthday on 3/3/92?
0
1
2
3
Answers
ZERO
Explanation:
EDG 2021
First question is 0
second is 2
What is 540 to the nearest TENTH?
Answers
Answer:
500
Explanation:
no explanation, sorry
With the knowledge of computer studies or ICT mention two methods of keeping material
Answers
Answer:
ICT teaching tools include simulation, modelling, CD-ROMs, teacher web publishing, word processing, spreadsheets, data logging, databases, e-mail, smart boards, interactive whiteboards and Internet browsing.
Explanation: