OF 2019 x + X PG Difference between two given ti https://moodle.oakland.edu/plug X fn Course: CSI-1420-43702.201940 X Welcome MySAIL Oakland Un X > moodle.oakland.edu/pluginfile.php/5600130/mod_assign/intro/Homework02.txt?time =1570288894866 Please enter the first time: 0900 Please enter the second time: 1730 8 hours 30 minutes Program 4 Program: bookstore.c Executable: books tore.o The following pseudocode describes how a bookstore computes the price of an order from the total price and the number of the books that were ordered. Read the total book price and the number of books. Compute the tax (7.5 percent of the total book price). Compute the shipping charge ($2 per book). The price of the order is the sum of the total book price, the tax, and the shipping charge. Program 5 Program: easter.c Executable: easton
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- using python . tcp client code from socket import *serverIP = '127.0.0.1'serverPort = 12000clientSocket = socket(AF_INET, SOCK_STREAM)clientSocket.connect((serverIP,serverPort))sentence = input('Input lowercase sentence:')clientSocket.send(sentence.encode())modifiedSentence = clientSocket.recv(1024)print ('From Server:', modifiedSentence.decode())clientSocket.close() tcp server code from socket import *serverPort = 12000serverSocket = socket(AF_INET,SOCK_STREAM)serverSocket.bind(('',serverPort))serverSocket.listen(1)print ('The server is ready to receive')while True:connectionSocket, addr = serverSocket.accept()sentence = connectionSocket.recv(1024).decode()capitalizedSentence = sentence.upper()connectionSocket.send(capitalizedSentence.encode())connectionSocket.close() In a while loop: Client needs to take a number from the user Client will send this number to the server The server will display a message that he got this number from this specific client (print IP address and port…using python . tcp client code from socket import *serverIP = '127.0.0.1'serverPort = 12000clientSocket = socket(AF_INET, SOCK_STREAM)clientSocket.connect((serverIP,serverPort))sentence = input('Input lowercase sentence:')clientSocket.send(sentence.encode())modifiedSentence = clientSocket.recv(1024)print ('From Server:', modifiedSentence.decode())clientSocket.close() tcp server code from socket import *serverPort = 12000serverSocket = socket(AF_INET,SOCK_STREAM)serverSocket.bind(('',serverPort))serverSocket.listen(1)print ('The server is ready to receive')while True:connectionSocket, addr = serverSocket.accept()sentence = connectionSocket.recv(1024).decode()capitalizedSentence = sentence.upper()connectionSocket.send(capitalizedSentence.encode())connectionSocket.close() In a while loop: Client needs to take a number from the user Client will send this number to the server The server will display a message that he got this number from this specific client (print IP address and port…A UDP service FlagServ is running at flagserv.cse543.rev.fish:13337. This UDP service receives a target IP address from the user, and if the user is authenticated, it will happily send a flag (a special string) via UDP to port 13337 of the target IP. Your job is to write a program that retrieves the flag. Can u help solve this problem?
- 1. Which of the following is not usually implemented in the server-side code? a. Routing Code b. All of these are usually implemented in Server-Side Code c. Authentication Logic Code d. User Interface Code 2. True or False. The fetch method can only be used to make GET requests. a. True b. False 3. True or False. Node.js is a asynchronous event-driven framework. This means it can only handle one event at a time a.True b. False 4. When using the router level middleware in express, what must match for the Handler Method to be executed? a. None of these b. Path and URL c. Request and Response d. Method and PathUsing the xhr variable, initialize a connection to GET https://wp.zybooks.com/grades.php?name=Katie, set the response type to json, then send the request. function responseReceivedHandler() {console.log("Response received");} var xhr = new XMLHttpRequest();xhr.addEventListener("load", responseReceivedHandler);JAVASCRIPT /*11. getUserPosts a. Receives a user id as a parameter b. Fetches post data for a specific user id from: https://jsonplaceholder.typicode.com/ (look at Routes section) c. Should be an async function d. Should utilize a try / catch block e. Uses the fetch API to request all posts for a specific user id f. Await the users data response g. Return the JSON data*/ function getUserPost(){ } /*12. getUser a. Receives a user id as a parameter b. Fetches data for a specific user id from: https://jsonplaceholder.typicode.com/ (look at Routes section) c. Should be an async function d. Should utilize a try / catch block e. Uses the fetch API to request a specific user id f. Await the user data response g. Return the JSON data */ function getUser(){ }
- 1- A user clicks on the link www.msn.com/index.html. Accordingly, the browser asks the cache server for this page, which is available at the cache from Wed 01 Jun 2017 22:54:43 GMT and it is modified yesterday. Write the HTTP 1.1 conditional GET request/response messages sent/received by the cache server. The answer must include the TCP connection (telnet) command and the necessary headers (if exist).The text below shows a reply sent from the server in response to a http GET message. What are the first 5 bytes of the document retrieved? HTTP/1.1 200 OK<cr><lf>Date: Tue, 07 Mar 2008 12:39:45GMT<cr><lf>Server: Apache/2.0.52 (Fedora) <cr><lf>Last-Modified: Sat, 10 Dec2005 18:27:46 GMT<cr><lf>ETag: “526c3-f22-a88a4c80”<cr><lf>Accept- Ranges: bytes<cr><lf>Content-Length: 3874<cr><lf> Keep-Alive: timeout=max=100<cr><lf>Connection: Keep-Alive<cr><lf>Content-Type: text/html; charset= ISO-8859-1<cr><lf><cr><lf><!doctype html public “- //w3c//dtd html 4.0 transitional//en”><lf><html><lf> <head><lf> <meta http-equiv=”Content-Type” content=”text/html; charset=iso-8859-1”><lf> <meta name=”GENERATOR” content=”Mozilla/4.79 [en] (Windows NT 5.0; U) Netscape]”><lf> <title>CMPSCI 453 / 591 / NTU-ST550A…UDP Echo ApplicationA UDP Echo program is a simple network application that demonstrates the basicprinciples of UDP communication. In this program, a server listens for incoming UDPpackets from clients, and when it receives a packet, it echoes (sends back) the samepacket to the client. The client sends a message to the server, and the server returns thesame message. It's often used for testing network connectivity and understanding thefundamentals of UDP communication. (Answer the following question using python) Implement both the server and client components of this UDP Echo program whileadhering to the features outlined below. Please ensure that your implementation followsgood coding practices and provides clear prompts and feedback to the user, making ituser-friendly and robust. Please refer to the class example to guide your implementation. 1) UDP Echo Server Receiving and Displaying Messages: The UDP Echo server should be able toreceive messages sent by clients. For each…
- n this assignment, you will develop a simple Web server in Python that is capableof processing only one request. Specifically, your Web server will(i) Create a connection socket when contacted by a client (browser)(ii) Receive the HTTP request from this connection(iii) Parse the request to determine the specific file being requested(iv) Get the requested file from the server’s file system(v) Create an HTTP response message consisting of the requested filepreceded by header lines(vi) Send the response over the TCP connection to the requesting browser.If a browser requests a file that is not present in your server, your server shouldreturn a “404 Not Found” error message.Your job is to code the steps above, run your server, and then test your server bysending requests from browsers running on different hosts. If you run your serveron a host that already has a Web server running on it, then you should use a differentport than port 80 for your Web server. Make sure to test your program…hello can you convert from this coding below to mbed c++ #define BLYNK_DEVICE_NAME "NodeMCU"#define BLYNK_AUTH_TOKEN "oLt-Y2bvgoy22dT9JP2ZIuLR1MDr9n4h"#define BLYNK_PRINT Serial #define BLYNK_MAX_SENDBYTES 256#include <ESP8266WiFi.h>#include <BlynkSimpleEsp8266.h>#include "dht.h"#define dht_apin D5 // Analog Pin sensor is connected to#define sensorPin A0 // You should get Auth Token in the Blynk App.// Go to the Project Settings (nut icon).char auth[] = "oLt-Y2bvgoy22dT9JP2ZIuLR1MDr9n4h"; char ssid[] = "nizammustafa";char pass[] = "nizamkillerz17"; dht DHT; int sensorValue = 0;int safetyValue;int humidity;int val = 0; const int trigPin = D3;const int echoPin = D2; const int ledPin1 = D8;const int ledPin2 = D7;const int ledPin3 = D6; // defines variableslong duration;int distance;int safetyDistance; void setup() {Serial.begin(9600); // Starts the serial communication;Blynk.begin(auth, ssid, pass);pinMode(trigPin, OUTPUT); // Sets the trigPin as an OutputpinMode(echoPin,…4. The text below shows the reply sent from a server in response to an HTTP GET message as captured by Wireshark. HTTP/1.1 200 OK\r\n Date: Fri, 27 Jan 2023 21:23:36 GMT\r\n Server: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.33 mod_perl/2.0.11 Perl/v5.16.3\r\n Last-Modified: Tue, 01 Mar 2016 18:57:50 GMT\r\n ETag: "a5b-52d015789ee9e"\r\n Accept-Ranges: bytes\r\n Content-Length: 2651\r\n Keep-Alive: timeout=5, max=100\r\n Connection: Keep-Alive\r\n Content-Type: text/html; charset=UTF-8\r\n \r\n [HTTP response 1/1] [Time since request: 0.035874000 seconds] [Request in frame: 784] [Request URI: http://gaia.cs.umass.edu/] File Data: 2651 bytes Line-based text data: text/html (68 lines) <html>\n <head>\n <title>Computer Network Research Group - UMass Amherst\n </title>\n </head>\n <body bgcolor="#ffffff">\n More document text follows, though not shown here. Answer the following questions, indicating where in the message above you find the…