Given the following bits sequence D (10001010111110110101) and the generator G (11001), answer the following? (Show your work on a hard copy paper)
How would the sender calculate the Cyclic Redundancy Check? What would be the output that will be sent to the receiver?
What would the receiver do to ensure the validity of the data?
Answers
The sender would perform the Cyclic Redundancy Check (CRC) by dividing the data sequence D (10001010111110110101) by the generator G (11001) using binary long division. The remainder obtained from the division is the CRC. The sender would then append the CRC to the original data, resulting in the output that will be sent to the receiver.
The receiver would perform the same division operation, dividing the received data (including the appended CRC) by the same generator G (11001). If the remainder obtained is zero, it indicates that the data is valid and free from errors. Otherwise, if the remainder is non-zero, it suggests that errors might have occurred during transmission.
To calculate the Cyclic Redundancy Check (CRC), the sender uses a process known as binary long division. The sender takes the data sequence D (10001010111110110101) and appends zeros to its end, representing the number of bits in the generator G (11001) minus one (in this case, four zeros are appended). This modified data sequence is then divided by the generator G using binary long division.
The division proceeds by performing XOR operations on corresponding bits of the data and the generator. If the leftmost bit of the dividend (data + appended zeros) is 0, the XOR operation results in the same bit value. If the leftmost bit is 1, the XOR operation flips the corresponding bits of the generator. This process continues until all bits of the dividend are processed.
The remainder obtained from the division is the CRC. The sender appends this remainder to the original data sequence, creating the output that will be sent to the receiver. This output contains both the original data and the CRC.
Upon receiving the data, the receiver performs the same division operation using binary long division. The received data (including the appended CRC) is divided by the same generator G. If the remainder obtained is zero, it indicates that the data is valid and free from errors. This means that the data has been successfully transmitted without any changes or corruption.
If the remainder is non-zero, it suggests that errors might have occurred during transmission. In such cases, the receiver knows that the data has been corrupted or altered in some way. The receiver can request the sender to retransmit the data or take appropriate error-correction measures based on the specific communication protocol in use.
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Related Questions
If the characters 'd', 'c', 'b', 'a' are placed in a queue (in that order), and then removed one at a time, in what order will they be removed?.
Answers
Answer:
a b c d
Explanation:
I'm just using the characters to reach the characters minimum
a home network can be as simple as using a cable to connect two devices.
Answers
A home network can be set up easily by connecting two devices using a cable.
A home network is a group of devices, such as computers, smartphones, printers, and routers, that are connected to each other. Setting up a home network can be as simple as connecting two devices using an Ethernet cable. Ethernet cables are used to transfer data between devices, and they are available in various lengths. Once the two devices are connected, they can communicate with each other and share data. To expand the network and connect more devices, a router can be used. A router acts as a central hub for the network and allows multiple devices to connect to it using wired or wireless connections. In addition to sharing data, a home network can also be used for file sharing, media streaming, and online gaming. A properly set up home network can provide a secure and reliable way to connect devices and access the internet.
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What is the simplest way to set up a home network, and what is the minimum requirement to establish a basic network between two devices?
Please help me I don't understand. It's Python.
If anyone can help with either of these questions I would appreciate a lot!
Thank you :)
Answers
1.d
2. a
i am not sure but i think its correct
vpn's allow data to be transmitted on a public network just as securely as on a private network. true or false
Answers
Yes, it is true that VPN's allow data to be transmitted on a public network just as securely as on a private network. Cybercrime includes the creation and transmission of online viruses. All viruses significantly damage computer data.
A virtual private network, or VPN as it is more commonly known, safeguards your online activities and privacy by masking your real IP address and building a safe, encrypted tunnel for internet access. Your internet activities won't be linked to you by snoops, trackers, or other curious parties.
A new level of internet freedom can also be attained by leveraging servers located in various nations to unblock blocked websites. While you might utilize this capacity to access an infinite amount of Netflix videos, it also gives you access to media or news from around the world that might be restricted in countries with repressive governments.
After downloading the VPN program, you can quickly and easily secure a device and have access to international material without restriction.
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Only length-1 arrays can be converted to python scalars.
a. True
b. False
Answers
Only length-1 arrays can be converted to python scalars.This statement is False.
What is python scalars?
In Python, a scalar is a single value, such as an integer, floating-point number, or Boolean value. Scalars are used to represent quantities that are not collections or arrays of values. They are often used in mathematical calculations, comparisons, and logical operations.
This statement is False, with some caveats.
In Python, a scalar is a single value, such as an integer, floating-point number, or Boolean value. An array is a collection of values, so it is not a scalar. However, NumPy, a popular numerical computing library in Python, provides an ndarray data type that can be used to represent arrays of values.
When using NumPy, there are several ways to convert an array to a scalar, but only if the array has a length of 1. For example, you can use the item() method to extract the single value in the array:
import numpy as np
a = np.array([1])
scalar = a.item() # scalar is now 1
imilarly, you can use indexing to extract the single value:
import numpy as np
a = np.array([1])
scalar = a[0] # scalar is now 1
However, if the array has a length greater than 1, you cannot convert it to a scalar using these methods. For example:
import numpy as np
a = np.array([1, 2])
scalar = a.item() # raises ValueError: can only convert an array of size 1 to a Python scalar
In summary, the statement "only length-1 arrays can be converted to Python scalars" is mostly true, but it depends on the context and the specific library or method being used. In general, if you have an array with a length greater than 1, you should use array-specific operations and methods to manipulate the array rather than trying to convert it to a scalar.
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Reply back to you classmate's discussion.
As a cybersecurity analyst, an active scan should be ran on day one of the birth of my network or as soon as its up and running if possible. But this is unlikely since organizations haven't accounted for security in the past. Organizations should run as often as its industry standards require. Active scanning should also be ran for major changes in a orgs environment or network, ex, new server, load balancer, IP devices, deployment of medium to large # of devices, ect. Active scanning after device/service deployment can reduce vulnerabilities that can be exploited down the road. Controls in the deployment process such as requiring device and topology info be included for requested changes to devices which is entered or feeds into a ITIL system can keep assets and services up to date. With previous active scans and tracking changes can help keep vulnerabilities in check.
Passive scans could or should be ran when no previous security measures are in place. Thus scans relying on devices logs, configs, existing topologies (that may not be updated). These scans may also be ran to determine device/service integrity, topology for footprinting, or security breach. Passive scan can determine what, where, and when a breach as occurred.
Answers
In classmate's discussion, they mentioned the importance of active and passive scans in cybersecurity.
Let's break d
own their points and provide additional information:
1. Active scanning: This involves running scans on a network to identify vulnerabilities and potential threats. Your classmate suggests that active scanning should be performed on day one of a network's birth or as soon as it's up and running, if possible. However, they also acknowledge that this may not be likely, as organizations may not have accounted for security in the past.
2. Frequency of active scanning: Your classmate suggests that organizations should run active scans as often as industry standards require. This means that the frequency of active scanning may vary depending on the specific industry and its security needs. For example, organizations in highly regulated industries like finance or healthcare may need to conduct active scans more frequently compared to other industries.
3. Active scanning for major changes: Your classmate highlights the importance of running active scans when there are major changes in an organization's environment or network. Examples of such changes include the deployment of new servers, load balancers, IP devices, or a significant number of devices. By conducting active scanning after these changes, vulnerabilities that could be exploited in the future can be identified and addressed.
4. Deployment process controls: Your classmate suggests implementing controls in the deployment process, such as requiring device and topology information for requested changes to devices. This information can be entered into an ITIL (Information Technology Infrastructure Library) system, helping keep assets and services up to date. By tracking changes and conducting active scans, organizations can better manage vulnerabilities.
5. Passive scanning: In addition to active scanning, your classmate mentions passive scanning. This type of scan relies on devices' logs, configurations, and existing topologies that may not be regularly updated. Passive scanning can be useful when no previous security measures are in place or when determining device/service integrity, topology for footprinting, or detecting security breaches.
It's important to note that both active and passive scanning play crucial roles in cybersecurity. Active scans are proactive measures to identify vulnerabilities, while passive scans can provide valuable information about an organization's network and potential breaches. Organizations should strive to have a comprehensive approach that includes both types of scanning to ensure a strong security posture.
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your company purchases several windows 10 computers. you plan to deploy the computers using a dynamic deployment method, specifically provision packages. which tool should you use to create provisioning packages?
Answers
To create provisioning packages for deploying Windows 10 computers using a dynamic deployment method, you should use the Windows Configuration Designer tool.
Windows Configuration Designer (formerly known as Windows Imaging and Configuration Designer or Windows ICD) is a powerful graphical tool provided by Microsoft to create provisioning packages. It allows you to customize and configure various settings, policies, and applications to be applied during the deployment process.
Using Windows Configuration Designer, you can create provisioning packages that define the desired configurations for Windows 10 computers. These packages can include settings such as network configurations, security settings, regional preferences, installed applications, and more.
The tool provides an intuitive interface that guides you through the process of creating the provisioning package. You can select the desired configuration options, customize settings, and preview the changes before generating the package.
Once the provisioning package is created using Windows Configuration Designer, it can be applied during the deployment process to configure multiple Windows 10 computers with consistent settings and configurations. The provisioning package can be installed manually or through automated deployment methods like Windows Autopilot or System Center Configuration Manager (SCCM).
In summary, to create provisioning packages for deploying Windows 10 computers using a dynamic deployment method, you should use the Windows Configuration Designer tool. It enables you to customize settings and configurations, which can be applied during the deployment process to ensure consistent and efficient provisioning of Windows 10 computers.
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layla password-protected her wireless internet connection so that her neighbors would stop using it. wireless internet service is:
Answers
Wireless internet service is a form of internet connectivity that uses radio waves to transmit data between devices without the need for physical cables or wires. It allows users to access the internet from any location within range of a wireless network, such as a home or office.
In the case of Layla, password-protecting her wireless internet connection is a common practice to prevent unauthorized users from accessing her network and using her internet without her consent. This is important because allowing others to use her internet can slow down her connection and potentially compromise her security by giving them access to her personal information.
By setting up a password, Layla has control over who can access her wireless internet service and can ensure that only trusted individuals are allowed to use it. It is recommended that individuals regularly update their passwords and use strong, complex combinations to prevent hacking attempts and protect their privacy.
Overall, wireless internet service is a convenient and accessible way to connect to the internet, but it is important to take precautions to safeguard personal information and prevent unauthorized access.
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The implementation stage of the SDLC _____.
involves describing the desired functionality of the system
involves establishing an overview of the project goals
involves putting the system into production so users can begin to perform real business operations with the system
involves analyzing end-user business requirements in order to refine project goals
Answers
Answer:
d. involves analyzing end-user business requirements in order to refine project goals
Explanation:
In the software development life cycle, the implementation stage is the stage where the computer programmers begin the actual coding of the application required by the end-user. At this stage, the developer takes into account the needs and specifications of the customer.
For example, if the end-user wants a software application that can track payment records, the researcher at this stage begins using the right software to code programs that can effect this function.
A network____________________is a physical connection of computer through cables
Answers
Write a method called distance that (1) accepts four integer coordinates: x1, y1, x2, y2 as parameters, (2) computes the distance between points (x1, y1) and (x2, y2) on the map, and (3) returns that distance.
The equation for the distance is: sqrt ((x2 - x1)2 + (y2 - y1)2).
Test out your program by writing a main method that calls the distance method for each of the following pairs of cities. Your main method should output the value returned by the distance method.
Distance from Baltimare to Manehattan =
Distance from Los Pegasus to Neighagra Falls =
Distance from the Badlands to Ponyville =
in python
Answers
Answer:
import math
def distance(x1, y1, x2, y2):
return sqrt( (x2-x1)*2 + (y2-y1)*2 )
question 18 options: use a single vi editor line-oriented command to delete lines nine and ten of the current file. (hint: line-oriented commands begin with a colon.)
Answers
Lines nine and ten of the file will be deleted, and you can save the changes and exit the vi editor by typing `:wq` and pressing Enter.
To delete lines nine and ten of the current file using a single vi editor line-oriented command, you can follow these steps:
1. Open the file in vi editor by typing `vi filename` in the terminal, replacing "filename" with the actual name of your file.
2. Once you're inside the vi editor, press `:` (colon) to enter command mode.
3. In command mode, type the following command to delete lines nine and ten:
```
9,10d
```
This command specifies a range from line 9 to line 10 (`9,10`) and the `d` command deletes the specified range of lines.
4. Press Enter to execute the command.
Lines nine and ten of the file will be deleted, and you can save the changes and exit the vi editor by typing `:wq` and pressing Enter.
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100% pl…View the full answer
answer image blur
Transcribed image text: Convert the following Pseudo-code to actual coding in any of your preferred programming Language (C/C++/Java will be preferable from my side!) Declare variables named as i, j, r, c, VAL Print "Enter the value ofr: " Input a positive integer from the terminal and set it as the value of r Print "Enter the value of c: " Input a positive integer from the terminal and set it as the value of c Declare a 2D matrix named as CM using 2D array such that its dimension will be r x c Input an integer number (>0) for each cell of CM from terminal and store it into the 2D array Print the whole 2D matrix CM Set VAL to CM[0][0] Set both i and j to 0 While i doesn't get equal to r minus 1 OR j doesn't get equal to c minus 1 Print "(i, j) →" // i means the value of i and j means the value of j If i is less than r minus 1 and j is less than c minus 1 If CM[i][j+1] is less than or equal to CM[i+1][j], then increment j by 1 only Else increment i by 1 only Else if i equals to r minus 1, then increment j by 1 only Else increment i by 1 only Print "(i, j)" // i means the value of i and j means the value of j Increment VAL by CM[i][j] Print a newline Print the last updated value of VAL The above Pseudo-code gives solution to of one of the well-known problems we have discussed in this course. Can you guess which problem it is? Also, can you say to which approach the above Pseudo-code does indicate? Is it Dynamic Programming or Greedy? Justify your answer with proper short explanation.
Answers
The following is the solution to the provided Pseudo code in C++ programming language. As for which problem this Pseudo code gives a solution for, it is the problem of finding the path with minimum weight in a matrix from its top-left corner to its bottom-right corner, known as the Minimum Path Sum problem.The above Pseudo code shows the Greedy approach of solving the Minimum Path Sum problem. This is because at each cell of the matrix, it always picks the minimum of the right and down cell and moves there, instead of keeping track of all paths and comparing them, which would be the Dynamic Programming approach. Hence, it does not require to store all the sub-problem solutions in a table but instead makes a decision by selecting the locally optimal solution available at each stage. Therefore, we can conclude that the above Pseudo code does indicate the Greedy approach to the Minimum Path Sum problem in computer programming.Explanation:After receiving input of the dimensions of the matrix and the matrix itself, the Pseudo code declares a variable VAL and initializes it with the first cell value of the matrix. It then uses a while loop to iterate through the matrix till it reaches its bottom-right corner. At each cell, it checks if it can only move to the right or down, and then it moves in the direction of the minimum value. VAL is then updated by adding the value of the current cell to it.After the loop is exited, the last updated value of VAL is printed, which is the minimum path sum value.
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Can somoene explain the function of-
def __init__():
In python programming language
Answers
Answer:
def is a keyword used to define a function, placed before a function name provided by the user to create a user-defined function
__init__ is one of the reserved methods in Python. In object oriented programming, it is known as a constructor. Python will call the __init__() method automatically when you create a new object of a class, you can use the __init__() method to initialize the object’s attributes.
Example code:
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
p1 = Person("John", 36)
print(p1.name)
print(p1.age)
Summary
Use the __init__() method to initialize the instance attributes of an object. The __init__() doesn’t create an object but is automatically called after the object is created.in a hypertext markup language (html) file, the markers are the codes that tell the browser how to format the text or graphics that will be displayed.
Answers
In an HTML file, the codes or tags are used to indicate how the content should be displayed in a web browser. These tags can be used to format text, insert images and graphics, create links, and more. By using HTML codes, web developers can create dynamic and interactive websites that can be viewed on any device with an internet connection. Graphics can be added to an HTML file using the tag, which allows images to be displayed on a webpage.
In an HTML file, tags or codes are utilized to specify the presentation of content in a web browser. These tags serve various purposes, including formatting text, inserting images and graphics, creating hyperlinks, and more. With HTML codes, web developers can design dynamic and interactive websites that are accessible across different devices connected to the internet. To incorporate graphics into an HTML file, the `<img>` tag is employed, enabling the display of images on web pages. By utilizing these tags effectively, developers can enhance the visual appeal and functionality of web content, resulting in engaging and visually appealing websites.
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Speech Generating Devices should not be used if the person has some ability to speak unaided. A. True B. False.
Answers
Speech Generating Devices should not be used if the person has some ability to speak unaided.
Is it advisable to use Speech Generating Devices if an individual is capable of speaking without assistance?Using Speech Generating Devices when a person can speak unaided is unnecessary and may hinder their natural communication abilities. These devices are typically designed for individuals who have limited or no speech capabilities. While they can be valuable tools for those who are unable to speak, relying on them when someone can already communicate independently can impede their development and hinder social interactions.
When individuals have the ability to speak unaided, it is important to encourage and support their natural communication skills. Using Speech Generating Devices in such cases can inadvertently discourage verbal expression, potentially leading to reduced confidence and decreased engagement in face-to-face interactions. Emphasizing and fostering their existing abilities can enhance their overall communication skills and enable them to participate more fully in social interactions.
It is worth noting that there may be exceptional circumstances where Speech Generating Devices can be beneficial even for individuals who have some ability to speak unaided. These devices can provide alternative means of communication in situations where speaking may be challenging or temporarily impossible, such as during medical procedures or when dealing with severe speech impairments due to certain conditions or injuries. However, in general, it is recommended to prioritize and support natural speech whenever possible.
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Please its argent and I will give you BRAINLIEST ANSWER 6. How would you confirm that a colourless liquid given to you is pure water?
Answers
Answer:
Evaporate the colourless liquid on a low flame. If no residue is left and boiling exactly at 100 ºC then it is pure water otherwise not.
Explanation:
what is the by stander effect
Answers
Answer:
The bystander effect is a theory that people are less likely to help if there are others around.
hope this helped :D
defination of user management
Answers
Answer:
User management (UM) is the effective management of users and their accounts, giving them access to various IT resources like devices, applications, systems, networks, SaaS services, storage systems and more
Explanation:
User management (UM) is the effective management of users and their accounts, giving them access to various IT resources like devices, applications, systems, networks, SaaS services, storage systems and more
What type of software can be installed in an individual's web browser to prevent ads from displaying
Answers
Answer: Ad Blocking
Explanation:
X = "apple"
y = X
z = "banana"
print(x
+
+
y + "\n" + z)
What is output?
Answers
pede po bang pa pic ang gulo po Kasi ehh
The _______ is used to change the date Auto Fill option.
A. Fill Tag
B. Tag
C. Smart Fill
D. Smart Tag
Answers
define Microsoft Excel 2010
Answers
Answer:
a very very old Microsoft application that only people on old pc's use now
Explanation:
Answer:
Microsoft Excel is a Microsoft software program that allows users to organize, format, and calculates data using the formulas of a tablet.
This program is part of the Microsoft Office Suite and supports other Office Suite applications. Microsoft Excel can now be purchased on subscription via cloud via office 365, as can other Microsoft Office products.
Explanation:
In Excel, entering a value column and clicking on a cell in the low sheet below allows the cell to add all of the numbers entered above to the "auto sum" button. This takes place in the manual leader counts, which before the development of the modern table were a labor-intensive part of the business.
Microsoft Excel is also a key user technology, useful in training and professional development, in various types of simple case applications. MS Excel has been included in basic corporate computer graduation training for several years, and temporary employment agencies may examine individuals for a wide variety of clerical duties on their skills with Microsoft Word and Microsoft Excel.
The data visualization principle has changed the Microsoft Excel usage cases. Where companies have used Microsoft Excel for, say, hundreds of records in the past, most business cases today involve tablets containing less than a dozen values for each particular project.
Which of the following is a system management tool?
Answers
Answer:
its a firewall
Explanation:
What's your favorite movie or book
Mine are: the fault in our stars(book),and Love Simon(movie)
Answers
Answer:
preety much any movie with a camaro in it aside from harry potter XD
Explanation:
Answer:
My answer probably The Hunger Games and the Spongebob Movie
Explanation:
They're nice also Warriors
what is the molecular activity of mattern
Answers
Matter is made up of extremely tiny particles called atoms and molecules. Atoms and molecules make up the three common states of matter on Earth—solids, liquids, and gases. The particles of a liquid are attracted to one another, are in motion, and are able to move past one another.
- BRAINLIEST answerer
My monitor, every time I try to turn it on says this "reboot and select proper boot device or insert boot media in a selected boot device and press a key" I've already tried to press all the keys to enter BIOS but since before this problem happened I enabled ultra-fast boot so it doesn't give me time to press any of them and I don't know what to do I've seen so many videos and I just can't find any that could possibly help me
Answers
You may have a corrupt system or your hard drive may be loose. (it used to be a common issue for me when I upgraded my computer to SSD, that computer is only used for backup purposes)
the meaning of belt drives
Answers
Answer:
A belt drive is a transmission system that uses a flexible strip to transfer power. The turning disk is connected by a belt drive to the electric motor. A rubber belt drive is used to transfer power from one pulley to another. A belt drive is a transmission system that uses a flexible strip to transfer power.
Explanation:
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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A music-streaming service charges $9 per month for a single user. Additional users within the
same household can be added for $3 per month.
Answers
The music-streaming service charges $9 per month for a single user. This means that an individual user can subscribe to the service for $9 per month.
In addition, the service allows for the addition of multiple users within the same household. Each additional user can be added for $3 per month. This means that if there are multiple individuals within the same household who want to access the music-streaming service, they can be added to the subscription at a cost of $3 per user, per month.For example, if there are two users in the household, the total monthly cost would be $9 (for the first user) + $3 (for the second user) = $12 per month.The pricing structure encourages multiple users within the same household to share a subscription, making it more cost-effective for families or individuals living together to access the music-streaming service
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