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Check Python Environment in Spyder: Spyder may use a different Python environment than your terminal. To ensure you're installing the module in the environment used by Spyder: Open Spyder and go to Tools > Preferences > Python Interpreter. Check the interpreter path. It should point to the Python environment where you installed the mysql-connector-python package.

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Extra ports in each router allow scalability for future connections, while leaving the FE 0/0/1 port unconnected likely means it's reserved for specific use or not currently required in the network design.

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a default route refers to a route that is used when there is no specific route for a given destination.

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import mysql.connector import pandas as pd # 1. Connect to MySQL Workbench try: connection = mysql.connector.connect( host="localhost", # Replace with your host user="your_username", # Replace with your username password="your_password", # Replace with your password database="your_schema_name" # Replace with your schema/database name ) cursor = connection.cursor() # 2. Create a Table (if it doesn't exist) create_table_query = """ CREATE TABLE IF NOT EXISTS my_table ( id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255), age INT ) """ cursor.execute(create_table_query) print("Table `my_table` is ready.") # 3. Static Data Insertion static_data = [("John Doe", 30), ("Jane Smith", 25)] static_insert_query = "INSERT INTO my_table (name, age) VALUES (%s, %s)" cursor.executemany(static_insert_query, static_data) connection.commit() print(f"{cursor.rowcount} static rows inserted.") # 4. Dynamic Data from pandas DataFrame # Example DataFrame data = {'name': ['Alice', 'Bob'], 'age': [28, 32]} df = pd.DataFrame(data) # Insert pandas DataFrame rows into MySQL dynamic_insert_query = "INSERT INTO my_table (name, age) VALUES (%s, %s)" for _, row in df.iterrows(): cursor.execute(dynamic_insert_query, (row['name'], row['age'])) connection.commit() print(f"{cursor.rowcount} dynamic rows inserted.") except mysql.connector.Error as err: print(f"Error: {err}") finally: # 5. Close the connection if cursor: cursor.close() if connection.is_connected(): connection.close() print("MySQL connection closed.")

Steps to Connect Routers via Serial Ports: Open Cisco Packet Tracer: Open your workspace in Cisco Packet Tracer. Add Two Routers: Drag and drop two routers (e.g., 1841, 2811) into the workspace. Add Serial Interfaces (if needed): Some routers in Cisco Packet Tracer don’t have serial ports by default. Add a WIC-2T (2 Serial Ports) module to each router: Right-click the router → Inspect/Physical → Drag WIC-2T module into an empty slot. Choose the Serial Connection: Go to the Connections toolbar (lightning bolt icon). Select the Serial DCE cable (labeled as DCE). Connect the Serial Ports: Click on the first router → Choose the Serial 0/0/0 port (or available serial port). Click on the second router → Choose its Serial 0/0/0 port (or available serial port).

Total required per subnet = 5 (PCs) + 2 (network + broadcast) = 7 addresses. To fit, choose a subnet mask allowing at least 8 IPs (next power of 2).

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Yes. Total 120 video are there. Means 30 videos remaining

Yes. I will complete this series in next month, then I will post this on RUclips community

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sudo or system password

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yes

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