Network programming Please answer as soon as possible Complete The Table Shown Below? # 1 WN 2 3 4 5 6 DatagramSocket Class Constructor/ Method int getLocalPort() InetAddress getInetAddress() int getPort() void receive(DatagramPacket packet) void setSoTimeout(int timeout) Description Sends a datagram packet object from this socket
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- Explain how the getAllByName() method could be used to print all hostnames of an ip adress 204.23.25.67 as a string in Java. Kindly give specific line of codes. Thanksimport shodanimport sysimport argparseimport netaddr KEY = ''api = shodan.Shodan(KEY) def lookup_ip(ip):print(ip)print('=' * len(ip)) try:host = api.host(ip)print('Operating System: {0}'.format(host.get('os', '')))print('Hostnames: {0}'.format(', '.join(host.get('hostnames', []))))print('Ports: {0}'.format(', '.join([str(p) for p in host['ports']])))print('Vulns: {0}'.format(', '.join(host.get('vulns', []))))print() except shodan.APIError as e:print('API Error: {0}\n'.format(e)) if __name__ == '__main__':#Parse command line arguments using argparsedesc = """This script will query the Shodan API and return a list of open ports on thespecified IP addresses. The IP address(es) to check can be given as a singleIP, a range of IPs, or in CIDR notation."""parser = argparse.ArgumentParser(description=desc)ipgroup = parser.add_mutually_exclusive_group(required=True)ipgroup.add_argument('-i', action='store', default=None,)metavar="IP",help='A single IP address. ex:…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 Path
- QUESTION 21 It is possible for two UDP segments to be sent from the same socket with source port 5723 at a server to two different clients. True False QUESTION 22 The acronym API in this textbook stands for “Application programming interface”. True Falsen 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…USING JAVA (Java Socket /TCP Programming) Create a chat/messaging application that has the following functionalities/features: Broadcast message (to all users) Private message to only one message (established usernames are stored in an XML file)
- 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?Q4) Refer to the exhibit. A network administrator is configuring inter-VLAN routing on a network. For now, only one VLAN is being used, but more will be added soon. What is the missing parameter that is shown as the highlighted question mark in the graphic? * interface gigabitet) ¢t 0/0.7 noapsulation dotlg ip address 1G.1064T.1 255.255.255.0 Fa0/3- VLAN 7 Itidentifies the VLAN number. Itidentifies the type of encapsulation that is used. Itidentifies the subinterface. Itidentifies the number of hosts that are allowed on the interface. OO OO0 Itidentifies the native VLAN number.The URL Connection class can be used to read and write data: Select one: a.To the specified resource referred by the HttpResponse and the URL b.To the specified resource referred by the URL c.To the specified resource referred by the HttpServer and the URL d.To the specified resource referred by the ServerSocket and the URL
- C Sharp The networking class must support the following public API. string ID - set or get the name of the client. The default is the tcp client RemoteEndPoint How to code this problem? How to set the default? And the code would be more looking like this private string id = ""; public string ID { get { if (this.id.Length == 0) { this.id = this.RemoteEndPoint; } } set { ... }USING JAVA (Java Socket /TCP Programming) Create a chat/messaging application that has the following functionalities/features: Each user must log in to the system before he/she can perform actions/tasks. (passwords and usernames are stored in an XML file) Users must be allowed to send a broadcast message to all other users that are logged in. Any user must be allowed to send private messages to any of the established users.There are two files, PingProgram.docx and GetHostByName.docx. PingProgram needs an IP address to work, and doesn’t use URLs, as per the example below. GetHostByName will return an IP address given a URL, also shown below. GetHostByName takes in a URL and a port number. Rewrite PingProgram to do the following: 1.Accept either a URL or an IP address as an input. 2.Ping the requested server 3 times instead of once. 3.Present all 3 round trip times, along with an average round trip time.