Gateway addresses are often associated with 0.0.0.0/0 routing table entries:
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- 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…Gateway addresses are often associated with 0.0.0.0/0 routing table entries: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
- Creation of a chat application using networking and threads. Activity Outcomes: This lab teaches you the following topics: Combining two concepts, Threads and Networking, in one java application Lab Activities: Based on the previous lab on networking, write a program corresponding to a chat application where a server and a client will communicate through a TCP connection. Note that in a chatting application, every side of the connection can send messages at any time and the other side will receive and display it. To do this, we need two thread classes, one for writing in the socket and the other for reading from it. These two threads will be executed together by both the client and the server. Thus, you have to develop the following classes: - Two thread classes. The first one, called SenderThread, will be used to send messages to the other side through a socket infinitely (use an infinite loop). The second one, called ReceiverThread, will read any message coming from the other side…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 threadsComputer 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.…
- TCP Window Flow Control, consider the following: • The MSS Maximum Segment size is 1024 bytes (I kilobyte) • Window size (rwnd) = 4096 bytes • The sendbase is 0000, the segment size is 1024 bytes How many segments can you send (before acknowledgment) then you have to stop, you stop until some ack comes back? What is the sequence number of the third segment?Server reply (UDP). How does the networked application running on a server know the client IP address and the port number to reply to in response to a received datagram? As the result of performing the accept () statement, the server has created a new socket that is bound to that specific client, and so sending into this new socket (without explicitly specifying the client IP address and port number) is sufficient to ensure that the sent data will be addressed to the correct client. The server will know the port number being used by the client since all services have a well-known port number. The application code at the server determines client IP address and port # from the initial segment sent by client, and must explicitly specify these values when sending into a socket back to that client. The server will query the DNS to learn the IP address of the client. Not quite. Your answer isn't correct.The network prefix value for the subnetmask 255.255.255.252 is
- True or False Congestion window (CWND): In TCP, the congestion window is used to determine the number of bytes, which can be remaining at any time. It is maintained by the sender.SMTP (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 Deny2- 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.