Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- A client PC has two simultaneous connections to the same webserver application program on a webserver. What will be different between the TCP segments that the client sends on the two connections? Would you make any recommendations to change the situation? Why or why not?arrow_forwardWrite a Python program that assists you in managing a network of devices for your company. You need to keep track of the IP addresses, MAC addresses, and device types in your network. List: Create a list named device_ip containing IP addresses as strings. Your network consists of one router and at least one of each of the following devices: switch, server, workstation, printer, and mobile device. Each device should have a unique IP address. The router's IP address should be '192.168.1.1'. Print each IP address on a new line. Tuple: Since MAC addresses of devices are unique and not changing, you decide to store them in a tuple named device_mac. Create this tuple with MAC addresses corresponding to each IP address. A MAC address looks like '00:14:22:01:23:45'. Print each MAC address on a new line. Set: You also want to keep track of the different types of devices in your network. As the device types are distinct and do not have duplicates, create a set named device_type that contains…arrow_forwardI made a TCP server using socket python,basically my server can: - Upload (“put”) request: The client should, at the very least, open (in binary mode) the local file defined on the command line, read its data, send it to the server through the socket, and finally close the connection. - Download (“get”) request: The client should, at the very least, create the local file defined on the command line (in exclusive binary mode), read the data sent by the server, store it in the file, and finally close the connection. To avoid accidents, the client should deny overwriting existing files. - Listing (“list”) request: the client should, at the very least, send an appropriate request message, receive the listing from the server, print it on the screen one file per line, and finally close the connection. I want you to draw an ER diagram that can show the process above please.arrow_forward
- Can you please implement me code for c programming language using for windows not linux That using multithreaded tcp connection doing just parity check and checksum error detection My first client name be client 1 and message hello server Same for client 2 so lastly can pass error detections and my message not be discardedarrow_forwardRule Direction In Out Out In Either ABCDE Src Addr Dest Addr Protocol Dest Port TCP TCP TCP TCP Any External Internal Internal External Any Internal External External Internal Any 80 >1023 80 >1023 Any Action Permit Permit Permit Permit Denyarrow_forwardimport socket def authenticate_user(tcp_socket): while True: response = tcp_socket.recv(1024).decode() print(response) username = input() tcp_socket.sendall(username.encode()) response = tcp_socket.recv(1024).decode() print(response) password = input() tcp_socket.sendall(password.encode()) auth_response = tcp_socket.recv(1024).decode() if "successful" in auth_response: print(auth_response) return True else: print(auth_response) def receive_items(tcp_socket): while True: response = tcp_socket.recv(1024).decode() if "Item List:" in response: print(response) while True: item = tcp_socket.recv(1024).decode() if not item.strip(): break print(item) break def select_items(tcp_socket): selected_items = [] while True: item_id = input("Select item by entering…arrow_forward
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