300-435 Question 69
Select 4You are tasked with automating the process of gathering interface status information from multiple Cisco IOS devices in your network. Using NetMiko, which of the following steps are required to successfully establish a connection and retrieve this information?
- A
Use the 'ConnectHandler' class to establish a connection to each device, providing the necessary credentials and device type.
- B
Send the 'show ip interface brief' command to the device using the 'send_command' method.
- C
Install the NetMiko library using the 'pip install netmiko' command before attempting to use it in your Python script.
- D
Configure SNMP on the devices to enable NetMiko communication.
- E
Capture and handle exceptions such as 'NetMikoTimeoutException' and 'NetMikoAuthenticationException' to ensure reliability.
Show answer and explanation
Correct answers: A, B, C, E
Explanation
To automate device management and monitoring using NetMiko, you must first ensure that the library is installed and then use the 'ConnectHandler' class to establish an SSH connection to the device. Commands can be executed using the 'send_command' method to retrieve necessary information. Error handling is essential to make the script robust, but SNMP configuration is not relevant as NetMiko uses SSH for communication.
- A. Correct.
Correct. The 'ConnectHandler' class is a core component of NetMiko and is used to establish a connection with the target network device by specifying required parameters like device type, IP address, username, and password.
- B. Correct.
Correct. The 'send_command' method is used to send commands like 'show ip interface brief' to the connected device and retrieve the output.
- C. Correct.
Correct. NetMiko must be installed via 'pip install netmiko' to use its functionality in Python scripts.
- D. Incorrect.
Incorrect. NetMiko uses SSH for communication with network devices, not SNMP. Configuring SNMP is not required for NetMiko to function.
- E. Correct.
Correct. Handling exceptions such as 'NetMikoTimeoutException' and 'NetMikoAuthenticationException' is a best practice to ensure the script can gracefully handle errors like timeouts or authentication failures.