Cisco Certified Network Associate (CCNA) Practice Exam

What type of Frame Relay LMI allows for automatic recognition of LMI types?

1. Autosense

2. Cisco

3. ITU

4. ANSI

The correct answer is: Autosense

Autosense LMI, as a Frame Relay Local Management Interface, is designed to automatically detect and recognize the specific LMI type being used on a network connection between a router and a Frame Relay switch. This capability allows for seamless integration and communication in networks where multiple LMI types might be present, eliminating the need for manual configuration by the network administrator. By enabling routers to negotiate and determine the correct LMI protocol, Autosense enhances flexibility and reduces the potential for configuration errors, which is particularly beneficial in larger or more dynamic network environments. In contrast, the other types of LMI—Cisco, ITU, and ANSI—are predefined standards. Each of these requires specific configurations to be set manually to ensure compatibility. While they each serve their purposes and work well under defined circumstances, they do not possess the automatic detection feature that Autosense provides, making it a more adaptable choice in varied network setups.