Which of the following is a network device that strengthens and propagates a signal along a long communication line?
A. modem B. gateway C. node D. router
E. repeater
Answers
Answer:
E
Explanation:
The correct answer is E. repeater.
A repeater is a network device that strengthens and propagates a signal along a long communication line. It receives a signal on one side, amplifies it, and then sends it out on the other side. This allows the signal to travel longer distances without losing strength or becoming distorted. Repeaters are commonly used in network environments that require long-distance communication, such as in wide area networks (WANs).
A modem, on the other hand, is a device that converts digital data into a format that can be transmitted over a communication line, such as a telephone or cable line. It is commonly used to connect computers to the internet.
A gateway is a device that connects two networks with different protocols, allowing them to communicate with each other. It is commonly used to connect a local area network (LAN) to a wide area network (WAN), or to connect a LAN to the internet.
A node is a point of connection in a network, such as a computer, printer, or other device. It is a device that is connected to the network and can send and receive data.
A router is a device that forwards data packets between computer networks. It is used to connect multiple networks together, such as a LAN to the internet. It determines the best path for data to travel and forwards the data accordingly.
Related Questions
You have computer system with a dual-core processor. You would like to upgrade to a quad-core processor, but you don't want to replace the motherboard. Which of the following should you do first?
Answers
Answer:
To upgrade to a quad-core processor, you should first check if your current motherboard is compatible with a quad-core processor. Some motherboards are only compatible with certain types of processors, and attempting to install a processor that is not compatible with your motherboard could damage your system.
To determine whether your motherboard is compatible with a quad-core processor, you should consult the documentation for your motherboard or check the manufacturer's website for compatibility information. You can also try looking up the make and model of your motherboard online to see if it is compatible with a quad-core processor.
Once you have determined that your motherboard is compatible with a quad-core processor, you can then proceed to purchase and install the new processor. This typically involves removing the current processor from the motherboard and installing the new one in its place. It is important to be careful when handling the processors and to follow the instructions provided by the manufacturer to ensure a successful installation.
Explanation:
Assume the variable s is a String and index is an int. Write an if-else statement that assigns 100 to index if the value of s would come between "mortgage" and "mortuary" in the dictionary. Otherwise, assign 0 to index.
Answers
Using the knowledge in computational language in python it is possible to write a code that Assume the variable s is a String and index is an int.
Writting the code:Assume the variable s is a String
and index is an int
an if-else statement that assigns 100 to index
if the value of s would come between "mortgage" and "mortuary" in the dictionary
Otherwise, assign 0 to index
is
if(s.compareTo("mortgage")>0 && s.compareTo("mortuary")<0)
{
index = 100;
}
else
{
index = 0;
}
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Help fast
When comparing and what is the main difference?
O The first symbol is for reviewing text and the second for enlarging text.
The first symbol is for spacing and the second for sizing.
O The first symbol is for viewing text and the second for inserting text.
O The first symbol is for inserting text and the second for viewing text.
Answers
Answer:
The first symbol is for inserting text and the second for viewing text
Explanation:
what is programming
Answers
Answer:Programming is the process of creating a set of instructions that tell a computer how to perform a task. Programming can be done using a variety of computer programming languages, such as JavaScript, Python, and C++.
Explanation:
Answer:
It's similar to coding, in a way
Explanation:
which statements did both aristotle and ptomlemy assume? select two options
Answers
Both Aristotle and Ptolemy considered that each planet is bound to a single sphere, but geometers and astronomers might use a number of such spheres to create the observed planet movements.
Who is Ptolemy?Claudius Ptolemy was a Roman mathematician, astronomer, astrologer, geographer, and music theorist who produced many scientific treatises, three of which were influential in Byzantine, Islamic, and Western European science.
Ptolemy centered his geocentric model on the Earth. Ptolemy assumed the universe was a system of nested spheres around the Earth based on the facts he had. He thought that the Moon was nearest to the Earth, followed by Mercury, Venus, and finally the Sun.
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PLEASE ANSWER AND HURRY I'LL MARK YOU BRAINLIEST!!
Answers
Answer:
what's the question?
Explanation:
I see no question.
Can someone help me by showing how to convert this java in HIGH LEVEL ASSEMBLY(HLA).That would be great.
import java.util.Scanner;
public class DollarValueMenu {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Feed me your order as 4 hex digits: ");
String input = scanner.nextLine();
// Extract the individual digits from the input string
int digit1 = Character.digit(input.charAt(0), 16);
int digit2 = Character.digit(input.charAt(1), 16);
int digit3 = Character.digit(input.charAt(2), 16);
int digit4 = Character.digit(input.charAt(3), 16);
// Calculate the cost of each item
int cost1 = digit1;
int cost2 = digit2 * 2;
int cost3 = digit3 * 3;
int cost4 = digit4 * 4;
int cost5 = digit4 * 5;
// Calculate the total order cost
int totalCost = cost1 + cost2 + cost3 + cost4 + cost5;
// Print the item quantities and total cost
System.out.println(digit1 + " $1 item");
System.out.println(digit2 + " $2 item");
System.out.println(digit3 + " $3 item");
System.out.println(digit4 + " $4 item");
System.out.println(digit4 + " $5 item");
System.out.println("Total Order Costs: $" + totalCost);
}
}
Answers
Converting Java code to High-Level Assembly (HLA) requires understanding the syntax and semantics of both languages. Here's an example of how the given Java code can be converted to HLA:
assembly:
program DollarValueMenu;
#include("stdlib.hhf")
static
digit1: int8;
digit2: int8;
digit3: int8;
digit4: int8;
cost1: int8;
cost2: int8;
cost3: int8;
cost4: int8;
cost5: int8;
totalCost: int8;
begin DollarValueMenu;
stdout.put("Feed me your order as 4 hex digits: ");
stdin.get(digit1);
stdin.get(digit2);
stdin.get(digit3);
stdin.get(digit4);
movzx(cost1, digit1);
movzx(cost2, digit2);
movzx(cost3, digit3);
movzx(cost4, digit4);
movzx(cost5, digit4);
mul(cost2, 2);
mul(cost3, 3);
mul(cost4, 4);
mul(cost5, 5);
add(totalCost, cost1);
add(totalCost, cost2);
add(totalCost, cost3);
add(totalCost, cost4);
add(totalCost, cost5);
stdout.put(digit1, " $1 item", nl);
stdout.put(digit2, " $2 item", nl);
stdout.put(digit3, " $3 item", nl);
stdout.put(digit4, " $4 item", nl);
stdout.put(digit4, " $5 item", nl);
stdout.put("Total Order Costs: $");
stdout.puti(totalCost, nl);
end DollarValueMenu;
In this HLA version, we use the `stdout.put` function to display output and `stdin.get` to read input. The `movzx` instruction is used to move values into the appropriate variables and zero-extend them to 8 bits. The `mul` instruction multiplies the values, and the `add` instruction sums the costs.
Please note that HLA code may require additional setup and includes specific libraries, so ensure that you have the necessary environment and libraries set up before running the code.
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xamine the following output:
Reply from 64.78.193.84: bytes=32 time=86ms TTL=115
Reply from 64.78.193.84: bytes=32 time=43ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=47ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=73ms TTL=115
Reply from 64.78.193.84: bytes=32 time=46ms TTL=115
Which of the following utilities produced this output?
Answers
The output provided appears to be from the "ping" utility.
How is this so?Ping is a network diagnostic tool used to test the connectivity between two network devices,typically using the Internet Control Message Protocol (ICMP).
In this case, the output shows the successful replies received from the IP address 64.78.193.84,along with the response time and time-to-live (TTL) value.
Ping is commonly used to troubleshoot network connectivity issues and measureround-trip times to a specific destination.
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The security administrator for Corp.com. You are explaining to your CIO the value of credentialed scanning over non-credentialed scanning. In credentialed scanning, policy compliance plugins give you which advantage?
Answers
In credentialed scanning, policy compliance plugins give you an advantage known as option C: Customized auditing.
What does auditing serve to accomplish?The goal of an audit is to determine if the financial report's information, taken as a whole, accurately depicts the organization's financial situation as of a particular date. For instance, is the balance sheet accurately recording the organization's assets and liabilities?
Therefore since the goal of such a tailored audit, aside from cost and time savings, so, it is to present an objective overall picture of your supplier's organization in all pertinent disciplines, allowing you to better target risk areas and allocate control resources where they are most needed.
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See full question below
The security administrator for Corp.com. You are explaining to your CIO the value of credentialed scanning over non-credentialed scanning. In credentialed scanning, policy compliance plugins give you which advantage?
More accurate results
Safer scanning
Customized auditing
Active scanning
An __________ hard drive is a hard disk drive just like the one inside your, where you can store any kind of file.
Answers
An external hard drive is a hard disk drive just like the one inside your computer, where you can store any kind of file.
These drives come in various sizes, ranging from small portable drives that can fit in your pocket to larger desktop-sized drives with higher storage capacities. They often offer greater storage capacity than what is available internally in laptops or desktop computers, making them useful for backups, archiving data, or expanding storage capacity.
Overall, external hard drives are a convenient and flexible solution for expanding storage capacity and ensuring the safety and accessibility of your files.
In c++
Given an int variable k, an int array incompletes that has been declared and initialized, an int variable nIncompletes that contains the number of elements in the array, an int variable studentID that has been initialized, and an int variable numberOfIncompletes, write code that counts the number of times the value of studentID appears in incompletes and assigns this value to numberOfIncompletes. You may use only k, incompletes, nIncompletes, studentID, and numberOfIncompletes.
Answers
Answer:
Here is an example of how you could write this code:
numberOfIncompletes = 0;
for (int k = 0; k < nIncompletes; k++) {
if (incompletes[k] == studentID) {
numberOfIncompletes++;
}
}
In this code, we first initialize the numberOfIncompletes variable to 0. Then, we use a for loop to iterate through each element of the incompletes array. Inside the loop, we use an if statement to check if the current element is equal to the value of studentID. If it is, we increment the numberOfIncompletes variable by 1. After the loop completes, the numberOfIncompletes variable will contain the number of times studentID appears in the incompletes array.
Software engineer is responsible for defining the level of maturity the software program must perfom at in order to declare software test
a. True
b. False
Answers
Answer:
true
Explanation:
Hope, it helps to you
)A cable has a bandwidth of 3000 Hz assigned for data communication. The SNR is 3162. How many signal levels do we need?
Answers
Answer:
\(L=56.2\)
Explanation:
We need to use two theoretical formulas: Shannon Capacity and Nyquist Bit Rate.
From Shannon:
\(C=B*log_2(SNR+1)\)
From Nyquist:
\(C=2B*log_2(L)\)
Where:
\(C= Channel\hspace{3}capacity\\B=Bandwidth\hspace{3} of\hspace{3} the\hspace{3} channel\\SNR=Signal\hspace{3}to\hspace{3}noise\hspace{3}ratio\\L=Number\hspace{3}of\hspace{3}signal\hspace{3}levels\hspace{3}used\hspace{3}to\hspace{3}represent\hspace{3}data\)
Using the data provided by the problem and the equations above, let's find the signal levels we need. Using the Shannon equation:
\(C=B*log_2(SNR+1)\)
Where:
\(B=3000Hz\\SNR=3162\)
\(C=3000*log_2(3162+1)\\\\C=3000*log_2(3163)\\\\C=34881.23352\hspace{3}bps\)
Now, using Nyquist equation:
\(C=2B*log_2(L)\)
Where:
\(C=34881.23352\hspace{3}bps\\B=3000Hz\)
\(34881.23352=2*3000*log_2(L)\\\\34881.23352=6000*log_2(L)\)
Solving for \(L\) :
\(\frac{34881.23352}{6000} =log_2(L)\\\\5.81353892=log_2(L)\\\\2^{5.81353892} =2^{log_2(L)}\\ \\56.24055476=L\\\\L\approx56.2\)
Therefore, we need approximately 56.2 signal levels.
how to match this things
1.we will cross bridge when we get to it ------- proactive,not reactive
2.privacy not displayed after collection of data---privacy embeeded into deisgn
3.we will have preticked check box on share my personal data with 3rd party-----visiboty and transparency
4.in acall recording privacy ntoice not shown to participants who were not part of invite but joined----privay by default
Answers
A proactive organization anticipates and responds to possible obstacles and opportunities.
This requires a clear vision of where you want to go as well as a strategy. Proactive organizations are forward-thinking and always looking for new ways to innovate and improve.
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a csv file makes it easier for data analysts to complete which tasks? select all that apply. a. import data to a new spreadsheet b. distinguish values from one another c. manage multiple tabs within a worksheet d. examine a small subset of a large dataset
Answers
For data analysts, a CSV file makes it simpler to evaluate a tiny portion of a huge dataset, import data to a new spreadsheet, and differentiate values from one another.
What goals do data analysts use foldering to achieve select all that apply?Project-related files are gathered and subfoldered by data analysts using foldering to keep them organised.Making changes to data to make it more readable and organised is known as data manipulation.In order to find usable information, make recommendations, and aid decision-making, data analysis is the act of looking at, purifying, manipulating, and modelling data.The three stages of data analysis are evaluate, clean, and summarise, and many extra actions are included in each stage.During the processing stage, a data analyst purges data to make sure it is accurate and complete. In the process phase, accuracy in the details is key, therefore data analysts clean data by removing errors, inconsistencies, and missing or incorrect information.To learn more about data analysts refer to:
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marianne needs to create a version of her slide presentation that does not include all the slides and will be used for a particular audience. what is the best way for her to achieve this ?
Answers
Answer:
Marianne needs to create a version of her slide presentation that does not include all the slides and will be used for a particular audience. What is the best way for her to achieve this? A.) Use the Custom Show dialog box to create a new custom show
Set up a python program
Write a program to input the temperature every day for a certain number of weeks. The user will
input the number of weeks. You must use nested loops, otherwise there is no credit. Print the average
for each week when the input for the week is completed. Print the overall average at the end.
Answers
Answer:
Here is a sample program that does what you have described:
# Get the number of weeks from the user
weeks = int(input("Enter the number of weeks: "))
# Initialize variables to store the total temperature and number of days
total_temp = 0
total_days = 0
# Loop through each week
for week in range(weeks):
# Get the number of days in the week from the user
days = int(input("Enter the number of days in week {}: ".format(week + 1)))
# Initialize a variable to store the weekly total temperature
weekly_total_temp = 0
# Loop through each day
for day in range(days):
# Get the temperature from the user
temperature = float(input("Enter the temperature for day {}: ".format(day + 1)))
# Add the temperature to the weekly total
weekly_total_temp += temperature
# Calculate the average temperature for the week
weekly_avg = weekly_total_temp / days
# Add the weekly total temperature to the overall total
total_temp += weekly_total_temp
# Add the number of days to the overall total
total_days += days
# Print the average temperature for the week
print("The average temperature for week {} is {:.2f}".format(week + 1, weekly_avg))
# Calculate the overall average temperature
overall_avg = total_temp / total_days
# Print the overall average temperature
print("The overall average temperature is {:.2f}".format(overall_avg))
Explanation:
This program will ask the user to input the number of weeks, and then for each week, it will ask the user to input the number of days and the temperature for each day. It will then calculate and print the average temperature for each week, and finally calculate and print the overall average temperature.
I hope this helps! Let me know if you have any questions.
What is your work solutions?
Answers
Answer:
Explanation:
< xlink:href="https://www.worktime.com/employee-time-tracking-software">employee tracking</link> worktime solutions is the best!
Why escape sequence is used? Explain with example?
Answers
Answer:
They are especially used to specify actions for eg. carriage returns and tab movements on terminals or printers.
They are also used to provide literal representation.
hope it helps!
Select the correct word to complete the sentence.
Bandwidth represents the _____ of a connection.
capacity
speed
distance
security
Answers
Answer:
Capacity
Explanation:
i got it wrong and it showed this to be the answer on edge
2. The base of binary number system is 3. are used in groups to represent all other numbers. 4. The thelie of binary numbers means the operation of addition, subtraction D. S??
Answers
2) The base of the binary number system is 2, not 3.
3) Binary numbers represent numbers using only 0 and 1 digits.
What is the binary system?A binary number is a number stated in the base-2 numeral system, often known as the binary numeral system, which is a way of mathematical representation that employs just two symbols, generally "0" and "1".
The base-2 number system has a radix of 2 and is a positional notation. Each digit is known as a bit, or binary digit.
Most historians of mathematics and/or mathematicians regard Gottfried Wilhelm Leibniz (1646-1716) to be the self-proclaimed originator of the binary system.
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You are a Junior IT Technician in your organisation. One of the duties is to demonstrate and explain how the computer works to the new intern staff. Discuss how you would demonstrate and explain
Answers
Recognizing the way computational modeling are utilized is just as important as employing technical knowledge about computer or laptop.
What is a demonstration?Providing verifiable evidence to demonstrate that maybe something real or is correct.
You are a Junior IT Technician in your organization. One of the duties is to demonstrate and explain how the computer works to the new intern staff.
I'll describe how and when to install and set up computer networks, examine computer issues, and resolve technical and application issues over the phone or face to face as an IT specialist.
Based on the scale of the company for which you work, how would you represent particular maybe more knowledge and expertise? A technical IT support team is commonly separated into both first support, with both the second-line support workers answering more specialized inquiries that the first support staff couldn't handle.
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PLEASE HELP ME ANSWER THIS QUESTION. I REALLY REALLY NEED IT.
. According to IEEE, what is software engineering? (A) The study of
approaches (B) The development of software product using scientific
principles, methods, and procedures (C) The application of engineering
to software (D) All of the above
Answers
IEEE (Institute of Electrical and Electronics Engineers) describes software engineering as:
(D) All of the above.
Software engineering encompasses the study of approaches, and the development of software products using scientific principles, methods, and procedures. It also encompasses the application of engineering principles to software. It is a multidisciplinary field that combines technical knowledge, problem-solving skills, and systematic processes to design, develop, and maintain software systems efficiently and effectively.
What is an accurate definition of experience?
Answers
Answer:
I hope this helps
Explanation:
An accurate definition of experience might be a process of observing, encountering, or undergoing something. Experience can help your knowledge or practical wisdom gained up because of what one has observed, encountered, or undergone.
What describes an original image that has text added and is shared freely online, usually for humor?
O A. remix
О в. meme
O C.
O D.
mashup
derivative
Reset
Next
Answers
Answer:
b
Explanation:
You are given an array of integers, each with an unknown number of digits. You are also told the total number of digits of all the integers in the array is n. Provide an algorithm that will sort the array in O(n) time no matter how the digits are distributed among the elements in the array. (e.g. there might be one element with n digits, or n/2 elements with 2 digits, or the elements might be of all different lengths, etc. Be sure to justify in detail the run time of your algorithm.
Answers
Answer:
Explanation:
Since all of the items in the array would be integers sorting them would not be a problem regardless of the difference in integers. O(n) time would be impossible unless the array is already sorted, otherwise, the best runtime we can hope for would be such a method like the one below with a runtime of O(n^2)
static void sortingMethod(int arr[], int n)
{
int x, y, temp;
boolean swapped;
for (x = 0; x < n - 1; x++)
{
swapped = false;
for (y = 0; y < n - x - 1; y++)
{
if (arr[y] > arr[y + 1])
{
temp = arr[y];
arr[y] = arr[y + 1];
arr[y + 1] = temp;
swapped = true;
}
}
if (swapped == false)
break;
}
}
Select the correct answer.
What aspect of mobile apps makes them attractive for communication?
OA.
They can be used on smartphones only.
OB. They facilitate fast texting between e-readers.
OC. They allow communication across platforms and networks.
OD. They allow easy access to social media even without Internet access.
Reset
flext
Answers
Answer:
it is for sure not-D.They allow easy access to social media even without Internet access.
so i would go with C.They allow communication across platforms and networks
Explanation:
TRUST ME
The statement 'they allow communication across platforms and networks' BEST describes the aspect of mobile apps that makes them attractive for communication.
A mobile application (i.e., an app) is an application software developed to run on a smartphone or tablet. Mobile applications generally share similar characteristics to those observed when accessing through a personal computer (PC).Mobile apps communicate by using different pathways and platforms such as email, in-app notices, and/or notifications.In conclusion, the statement 'they allow communication across platforms and networks' BEST describes the aspect of mobile apps that makes them attractive for communication.
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A value chosen by the responder to identify a unique IKE SA is a _________.
A. Initiator SPI
B. Responder SPI
C. Flag
D. Message identifier
Answers
Answer:
Responder SPI
Explanation:
Responder SPI : Cookie of an individual referring to an application from the SA organization, a message from the SA, or a delete from the SA.
System testing – During this stage, the software design is realized as a set of programs units. Unit testing involves verifying that each unit meets its specificatio
Answers
System testing is a crucial stage where the software design is implemented as a collection of program units.
What is Unit testing?Unit testing plays a vital role during this phase as it focuses on validating each unit's compliance with its specifications. Unit testing entails testing individual units or components of the software to ensure their functionality, reliability, and correctness.
It involves executing test cases, evaluating inputs and outputs, and verifying if the units perform as expected. By conducting unit testing, developers can identify and rectify any defects or issues within individual units before integrating them into the larger system, promoting overall software quality.
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Please send code for both index and style.
Answers
please be more specific about what index and style. sorry i wasn't much help.