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A: SUMMARY: - Hence, we discussed all the points.
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- TCP 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]);…vvvvvv Please write the code in the nodejs and use the localhost server to show the current date and time by creating a function. Please write the code only in Node js the address: - http://localhost:8080/v Please write the code in the nodejs and use the localhost server to show the current date and time by creating a function. Please write the code only in Node js the address: - http://localhost:8080/v Please write the code in the nodejs and use the localhost server to show the current date and time by creating a function. Please write the code only in Node js the address: - http://localhost:8080/Computer Science Networks and should be done in C language. Create a UDP client and server program that not only is able to locally transfer files but it gives the client the ability to send multiple copies of the file to multiple servers. Once the server program is initiated, it waits until it receives client packets. It then reads and saves the payload of the packets. The client reads a file from the disk and sends it to each server over a UDP socket by breaking the file up into mtu-byte sized packets. Client needs to be concurrent in sending the packets to all of the servers using threads
- Write aprogram to find the ip dotted decimal notation conversion from decimal to binary,octal and hexadecimal and vice versa also find the result of NOT and AND operation of ipv4 adresses. a. 114.34.2.8 Find the result of each operation: a. NOT (22.14.70.34) Find the result of each operation: a. (22.14.70.34) AND (255.255.0.0) ALso develop a program to find classes of ip adress and first and last address,subnet mask also. Develop in javaIn classful addressing, the IP address space is divided into 5 classes. Indicate the classes of each of the following addresses expressed in binary. Indicate how the class was identified. 3.1.1 00000001 00001011 00001011 11101111 3.1.2 11000001 10000011 00011011 11111111 3.1.3 10100111 11011011 10001011 01101111 3.1.4 11110011 10011011 11111011 00001111R6Fragmentation of an IP datagram takes place if its size is larger than the MTU of the subnet over which the datagram will be routed. Most IP datagram reassembly algorithms have a timer to avoid having a lost fragment tie up reassembly buffers forever. Suppose a datagram is fragmented into four fragments. The first three fragments arrive, but the last one is delayed. Eventually the timer goes off and the three fragments in the receiver's memory are discarded. A little later, the last fragment stumbles in. What should be done with it?
- ) s ®%74 I, 10.100.100.1is a valid host address * QO Yes O No -4 0 G 9:09 Which is not true about Class C addresses (select more than answer) * the first byte between 192 - 224 the number of hosts is less than subnets Many addresses are wasted the address space is 53687191 address the first byte starts with 110 Map the following addresses to its right class * 192.168.6.7 128.0.10.10 127.0.100.100 O O 'O 190.0.255.255 is a Class B special address * QO True Q False Back Next Never submit passwords through Google Forms, O O © O @) @ This form was created Inside of Alnukhba University College. Report Abuse Google FDescription: You are required to implement a server program that responds to both TCP and UDP requests from the corresponding clients. The service provided by the server is simply a substitute cipher/cryptosystem. The cipher replaces one character to another based on some key. The input message (plaintext) can be of any size but composed only of small-letter (abcdefghijklmnopqrstuvwxyz). The output (ciphertext) has the same size and composed also of small-letter characters. The key is limited to 7 characters (also small-letter). You need to treat each digit as a number according to its position in the alphabet. For example, a=0, b=1, …,z=26. To encrypt a message, you add a plaintext character with the corresponding key character (mod 26). The key might be repeated to match the length of the plaintext message. In the decryption, you subtract the corresponding key character from the ciphertext character (mod 26). Again the key might be repeated as necessary. For example, if the…