Cisco Certified Network Associate (CCNA) Practice Exam

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Which of the following is NOT one of the three different types of Frame Relay LMI?

Cisco
ITU
ANSI
IEEE

The correct answer is: IEEE

The correct answer is that IEEE is not one of the three different types of Frame Relay LMI (Line Management Interface). The three recognized types of LMI for Frame Relay are Cisco, ITU, and ANSI. These protocols provide methods for managing Frame Relay connections by facilitating communication between the end devices and the Frame Relay network regarding the status of virtual circuits. Cisco LMI is a proprietary version used in Cisco equipment, providing enhanced features and capabilities. ITU (International Telecommunication Union) specifies the global standards for telecommunications, which includes their version of LMI. ANSI (American National Standards Institute) provides an additional standard that complements Cisco and ITU. On the other hand, IEEE (Institute of Electrical and Electronics Engineers) focuses on standards related to electronics and electrical engineering, including various networking standards, but does not specifically pertain to Frame Relay LMI.