6. Consider a network with some hosts. The traffic from one host to the other isprovided. The question is to find the total bytes that are moving in the network fromone host to the other and also for all the routes. The total bytes that are transferredfor the day is as below.peter ann 1250peter mary 910mark mary, 1250peter mary 450peter andy 2924paul peter 1218paul helen 199The first name is the source host, the second is the destination host and the number isthe bytes that are transferred.

Question: 1. Bytes transferred between individual hosts: Peter to Ann: 1250 bytesPeter to Mary: 910…

Answered: 6. Consider a network with some hosts.…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Please solve it correctly and please provide explanation of your answers. A PC and a Web Server are communicating over a TCP connection. The PC had started the three way handshake with the initial sequence number of 3069 . The Web Server's initial sequence number is 4830 . The window size of the PC is 815 bytes and the window size of the Web Server is 463 bytes. Using the third TCP handshake ack segment the PC sends the http request of the size 396 bytes to the Web Server. Then the Web Server answers with 3 segments containing the requested data. The first segment size is 42 bytes and the second segment size is 276 bytes and the third segment size is 146 bytes respectively. The PC receives all three segments within the timer. But unfortunately the second segment was corrupted. So the PC immediately sends an acknowledgement segment. Assume that the PC uses Selective Repeat/Reject ARQ. (d) What will be the window size of PC A after receiving only the first segment from webserver? (e)…
Please solve it correctly and please provide explanation of your answers. A PC and a Web Server are communicating over a TCP connection. The PC had started the three way handshake with the initial sequence number of 3069 . The Web Server's initial sequence number is 4830 . The window size of the PC is 815 bytes and the window size of the Web Server is 463 bytes. Using the third TCP handshake ack segment the PC sends the http request of the size 396 bytes to the Web Server. Then the Web Server answers with 3 segments containing the requested data. The first segment size is 42 bytes and the second segment size is 276 bytes and the third segment size is 146 bytes respectively. The PC receives all three segments within the timer. But unfortunately the second segment was corrupted. So the PC immediately sends an acknowledgement segment. Assume that the PC uses Selective Repeat/Reject ARQ. (a) What will be the sequence number of the third TCP handshake signal send from PC to webserver?…
Please solve it correctly and please provide explanation of your answers. Please answer parts g, h and i. A PC and a Web Server are communicating over a TCP connection. The PC had started the three way handshake with the initial sequence number of 3069 . The Web Server's initial sequence number is 4830 . The window size of the PC is 815 bytes and the window size of the Web Server is 463 bytes. Using the third TCP handshake ack segment the PC sends the http request of the size 396 bytes to the Web Server. Then the Web Server answers with 3 segments containing the requested data. The first segment size is 42 bytes and the second segment size is 276 bytes and the third segment size is 146 bytes respectively. The PC receives all three segments within the timer. But unfortunately the second segment was corrupted. So the PC immediately sends an acknowledgement segment. Assume that the PC uses Selective Repeat/Reject ARQ. g) The second segment from webserver was corrupted. So the PC…
When Bob wants to send Alice a message M on the Internet, he breaks M into n data packets, numbers the packets consecutively, and injects them into the network. When the packets arrive at Alice’s computer, they may be out of order, so Alice must assemble the sequence of n packets in order before she can be sure she has the entire message. Describe an efficient scheme for Alice to do this. What is the running time of this algorithm? From Data Structures and Algorithms C-7.56
b) Let's say a networking company uses a compression technique to encode the message before transmitting over the network. Suppose the message contains 6 unique characters of your name and their frequencies are similar to the last 6 non-zero digits of your mobile number. For example, your name is Badhon and the last 6 digits of your mobile number is 123456. So the frequency Frequency (in thousands) Characters B table of characters will be: 2 3 H. 4 Now, if the compression technique used is Huffman Coding instead of variable-length coding, how many bits will be saved in the message? Show the saving percentage. 6.
Savod 30 Required information NŐTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part Find the shortest route (in distance) between computer centers in each of the pairs of cities in the communications network shown in the following image: Ot:02:06 Boston 860 Chicago 191 San Francisco 1855 722 New York 908 Denver 1736 257 349 1372 Los Angeles 1235 Dallas Dallas and San Francisco Multiple Choice Dallas to Denver to San Francisco Dallas to Chicago to Denver to San Francisco Dallas to Chicago to San Francisco Dallas to Los Angeles to San Francisco
Suppose that you are receiving a packet number of a data travelling over a network in array. First of all input number of packets a data will be in. Received packets must be in an order and there will be difference of 4 among packet numbers. If there is any missing packet than display message packet missing. If no packets are missing but are not in order arrange the packets in an order.
7 Part 2 of 2 Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Find the shortest route (in distance) between computer centers in each of the pairs of cities in the communications network shown in the following image: San Francisco 957 Denver 1736 349 Los Angeles 1855 1235 Denver and New York Multiple Choice 908 & Dallas Chicago 10% 1372 860 722 Denver to Dallas to New York Boston Denver to Chicago to New York /191 Denver to Dallas to Chicago to New York New York Denver to Chicago to Dallas to New York
A messaging system reads message as 4-digit positive integer d1d2d3d4 and stores encoding of the message e1e2e3e4 for security reason. The encoding process is as follows: ei = (di+i) mod 3 For example, if message is 4590, the encoded message is 2101. Read any arbitrary message and display the encoded message in the following format: Original message = Encoded message = language : C
A local area network (LAN) is desired to be set up in three different departments in an institution. The IP addresses of these subnets will be given manually in the format 192.168.n.h. Here n: represents the subnet, and h: represents the hosts (hosts) on that network. Suppose, in departments let the number of computers be 70, 412 and 253, respectively. Allocate IP addresses to these departments, determine the first and last IP addresses assigned, and create the table below. Show all the steps in detail in order.
A local area network (LAN) is desired to be set up in three different departments in an institution. The IP addresses of these subnets will be given manually in the format 192.168.n.h. Here n: represents the subnet, and h: represents the hosts (hosts) on that network. Suppose, in departments let the number of computers be 201, 308 and 65, respectively. Allocate IP addresses to these departments, determine the first and last IP addresses assigned, and create the table below. Show your work and reasoning. Do not write the answers directly in the table.
For NAT Network Address Translation Scenario: Jenny Bello is a small business owner selling and making customized computer peripherals. She has been finding it difficult to track her sales and inventories, however recently after an expert's advice, she adopted a Point of Sale (PoS) server. So, she can now track her sales and inventories at the store. However, she ran into another issue, the server can only be accessed within the store, because it has been assigned a private IPv4 address, it is not publicly accessible via the Internet. a) Why is not having the PoS server accessible over the Internet a problem for the business? b) What caused this problem? c) Propose a solution for the problem and explain how the solution works.

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