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Ainat [17]
3 years ago
8

A router receives a packet and determines the outbound link for the packet. When the packet arrives, 2/3 of one other packet is

done being transmitted on this outbound link and five other packets are waiting to be transmitted. Packets are transmitted in order of arrival. Suppose all packets are 3,000 bytes, and the link rate is 4 Mbps. What is the queuing delay for the packet
Computers and Technology
1 answer:
vlada-n [284]3 years ago
6 0

Answer:

Queuing Delay is 0.08 seconds

Explanation:

The answer follows a formula that is relatively easy to use and is detailed below.

Queuing Delay = [(L - x) + (nL)] / R

where,

L is packet length given as 3,000 bytes

x is the currently transmitted packet given as 2/3 * 3,000 = 2,000

n is the number of packets waiting in the Que given as 5

R is the rate of transmission given as 4 Mbps (4 * 10^6 Bps)

We can simply plug in the above information in the equation for computing Queuing Delay.

Lets take the numerator first which would be [(3000 - 2000) + (5 * 3000)]

The numerator would be 16000 bytes. These are being transmitted at 4Mbps. So, 16000*4*5 = 320,000 "bits"

Queuing Delay= 320,000/4000000

Queuing Delay = 0.08 seconds.

As we can see, the formula is quite intuitive to use. You are simply taking the number of packets to be transmitting, incorporating the partially transmitted packet, multiplying by the number of packets and the rate of transmission and then dividing the product by the rate of transmission to compute what the delay in the Que is.

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The Insert Tab option

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4 0
3 years ago
Suppose that a computer can run an algorithm on a problem of size 1,024 in time t. We do not know the complexity of the algorith
Setler79 [48]

Answer:

Time Complexity of Problem - O(n)

Explanation:

When n= 1024 time taken is t. on a particular computer.

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3 years ago
What is the first thing you should do when you discover a computer is infected with malware? The second thing?
Goshia [24]

Answer:

Quarantine the computer.

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3 0
3 years ago
We want to implement a data link control protocol on a channel that has limited bandwidth and high error rate. On the other hand
Korolek [52]

Answer:

Selective Repeat protocols

Explanation:

It is better to make use of the selective repeat protocol here. From what we have here, there is a high error rate on this channel.

If we had implemented Go back N protocol, the whole N packets would be retransmitted. Much bandwidth would be needed here.

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6 0
3 years ago
Write a program that reads the contents of a file named text.txt and determines the following: The number of uppercase letters i
murzikaleks [220]

Answer:

Explanation:

//Cpp program to count Uppercase, Lowercase, Digits count from file

#include<iostream>

#include<fstream>

using namespace std;

int main()

{

  //ifstream For reading file purpose only

ifstream file("text.txt");

 

  //cheks whether given file is present or not

  if(!file){

      cout<<"File not Found";

      return 0;

  }

  //variables for all three counts and character in file

char character;

int uppercaseCount=0, lowercaseCount=0, digitsCount=0;

  //loop for reading and checkile file character by character

while(file){

      //get a single character

file.get(character);

 

      //checks uppercase character

if((character >= 'A') && (character <= 'Z'))

uppercaseCount++;

     

      //checks lowercase character

 else if((character >= 'a') && (character <= 'z'))

lowercaseCount++;

     //checks lowercase character

      else if((character >= '0') && (character <= '9'))

      digitsCount++;

}

cout<<"\nUppercase characters: "<<uppercaseCount;

cout<<"\nLowercase characters: "<<lowercaseCount;

cout<<"\nDigits: "<<digitsCount;

return 0;

}

/*

content of File text.txt

C++

10.15: Character Analysis Write a program that reads the contents of a file named text.txt and determines the following: The number of uppercase letters in the file The number of lowercase letters in the file The number of digits in the file Prompts And Output Labels. There are no prompts-- nothing is read from standard in, just from the file text.txt. Each of the numbers calculated is displayed on a separate line on standard output, preceded by the following prompts (respectively): "Uppercase characters: ", "Lowercase characters: ", "Digits: ". Input Validation. None.

Output :-

Uppercase characters: 19

Lowercase characters: 434

Digits: 4

*/

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3 years ago
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