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- Select the FALSE statements as shown below: i) Two distinct Web pages (e.g., www.uthm.edu.my/research.html and www.uthm.edu.my/students.html) can be sent over the same persistent connection. ii) With non-persistent connections between browser and origin server, it is possible for a single TCP segment to carry two distinct HTTP request messages. iii) The Date: header in the HTTP response message indicates when the object in the response was last modified. iv) HTTP response messages never have an empty message body. a) i, ii, and iii b) i, ii, and iv c) i, iii, and iv d) ii, iii, and iv2- Client is connecting a server via TCP to get an object from HTTP Server. Skitch the TCPwindow connection including (establishing connection, the request from client, the response byserver, sending data from server side and closing the connection).Knowing that:1- Get request from the HTTP 1.1 server is 259 bytes.2- Response from the server is 223 bytes.3- Data size requested is 900 bytes.IPV4 is a Connection oriented Protocol. * False True Broadcast is the process of sending a packet from one host to a selected group of hosts. * False True The prefix length is the number of bits in the address that gives the Host portion. " False True The metric is used to decide which route appears on the routing table. * True False The throughput value is greater than The Bandwidth Value. * True False O O O O
- Computer Networking Assignment 2 Lab 2: Web Server Lab In this lab, you will learn the basics of socket programming for TCP connections in Python: how to create a socket, bind it to a specific address and port, and send and receive a HTTP packet. You will also learn some basics of HTTP header format. You will develop a web server that handles one HTTP request at a time. Your web server should accept and parse the HTTP request, get the requested file from the server’s file system, create an HTTP response message consisting of the requested file preceded by header lines, and send the response directly to the client. If the requested file is not present in the server, the server should send an HTTP “404 Not Found” message back to the client. Code Below you will find the skeleton code for the Web server. You are to complete the skeleton code. The places where you need to fill in code are marked with #Fill in start and #Fill in end. Each place may require one or more lines of code.…Type a client script that establishes a TCP connection with a server, and then it sends a message with the client user name to the server. After that, it receives a message from the server. The client should print out the received message. Assume that the server uses port number 51234 and is located at a machine with an IP address "192.168.200.9". Use the editor to format your answerSMTP (Simple Mail Transfer Protocol) is the standard protocol for transferring mail between hosts. A TCP connection is set up between a user agent and a server program. The server listens on TCP port 25 for incoming connection requests. The user end of the connection is on a TCP port number above 1023. You have defined the packet filter rule set shown in the table below. These rules permit and/or deny inbound and outbound traffic between the user agent and the mail server. Describe the purpose of each packet filter rule in the table. Rule Direction Source Address Destination Address Protocol Destination Port Action A2 In External Internal TCP 25 Permit B2 Out Internal External TCP > 1023 Permit C2 Out Internal External TCP 25 Permit D2 In External Internal TCP > 1023 Permit E2 Either Any Any Any Any Deny
- CIS269 Packet Translation Lab Break down the following IP datagram into its individual fields, listing the value of each. Hint: It’s an IP datagram containing a TCP segment containing another protocol… 45 00 00 31 94 00 40 00 80 06 1B 9F 80 A3 C9 29 D8 45 29 15 04 09 00 15 00 00 C3 A1 DF 65 A8 45 50 18 20 AA 8E 8C 00 00 43 57 44 20 66 75 6E 0D 0AAnswer the following questions based on the concept of IPV6 Addressing Valid / If invalid, give S# IPV6 Address Invalid your comment а. 1200:0000:AB00:1234:0000:2552:7777:1313 b. AFBF:CFDF:EF0F:1F2F:3F4F:5F6F:7F8F:9F0F с. 9C5A:AAAAA:FAAA:AAAA:AAAA:00FF: AAAA:FE28 d. AAAA:FFFF:AAAA:FFFF:0000: 5555:0000:5555 Apply Only Rule 2 е. FC00:0000:0000:0000:3E00:1275:0000:0084 f. 2000:0000:0000:0000:0000:ABCD:0000:0025 Apply Only Rule 1 g. 1000:0001:0001:1000:0001:1000:0001:0000 h. 91CA:DED8:ABCO:2F3B:02AA:0CFF:FD28:9DDATCP connection-Server and Client connection using C. Please adjust the given code as needed. Do not change to another language. Please provide screenshots of it's execution. 1.- client read a line of characters(data) from its keyboard and sends the data to the server. 2- the server receives the data and converts characters to uppercase. 3- the server sends the modified data to the client. 4- the client receives the modified data and displays the line on its screen. //Server.c #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <arpa/inet.h> #include <sys/socket.h> // Add header files if needed void error_handling(char *message); int main(int argc, char *argv[]) { int serv_sock; int clnt_sock; struct sockaddr_in serv_addr; struct sockaddr_in clnt_addr; socklen_t clnt_addr_size; // Declarer variables char message[]="Hello Socket Programming!"; if(argc!=2){ printf("Usage : %s <port>\n", argv[0]);…
- The following questions are related to HTTP protocol Q1. The first line of a HTTP request from some client to some server is basically made of where the web page file path is added. The path is shown as folders separated by slash. Q2. If an HTTP server responds to a client request and the response is a success, what is the http code and string that marks a success response? Must provide the code and the string as they appear in TCPDump or Wireshark traces. (note: use upper case for the string and also proper spacing in you answers. Keep the order of the string and the code as seen in TCPDump) Answer: code and string that marks a success response Q3. What http header field is used to identify an address of a web page (i.e. the URI) that linked to the resource currently being requested. This field indicates the last page the user/requester was on by the time they link to the requested page. Answer: The field that indicates the last page the user/requester was on is Q4. What is the http…Q10: Complete the frames (x & y) given below with appropriate port, IP and MAC addresses. The sender Host E has two applications running; one for email with port number 49254 and the other for accessing the web server with port number 52167. The frame x is intended for the BRACU Web server and frame y is coming from the Email Server. (MAC addresses are alphabets and IP addresses are numbers) [5] Port 80 Frame y K/93 BRACU G/51 Router BRACU Web ISP Frame x Server Router I/91 Port 25 Н 52 F/25 Hub-PT Hubo A/20 Switc-PT Switcho Swich-Pr Syitch1 Email Server J/92 B/21 E/24 C/22 D/23 Sender Frame X D. Mac S. MAC D. IP S. IP D. Port S. Port Data Trailer Frame Y D. Mac S. MAC D. IP S. IP D. Port S. Port Data Trailer ** *******END***: *** *** *****by using java language Tasks: Part A: Develop a TCP server program in java that waits for clients to connect. The server responds to the client with one of the following based on client’s request: Export public key generated using KeyPairGenerator Export Message Digest Export Digital Signature Send original text for the encrypted text received from client Part B: Develop a TCP client program that request from TCP server developed (in Part A) public key, Message Digest, Digital Signature and original text by sending the encrypted text. TCP client will display the various objects received from TCP server on its console.