CCNA Question of the Week
In this weekly series, Jill Liles posts questions and answers to help readers prepare for the CCNA exam.
What identifies a logical circuit and is locally significant between the router and the local Frame Relay switch?
- a DLCI
- an LMI signal
- an FECN packet
- a BECN packet
The correct answer is A.
The data link connection identifier (DLCI) is a locally significant number between the router and the local Frame Relay switch that identifies a logical virtual connection. Devices at opposite ends of a virtual circuit may use different DLCIs to refer to the virtual circuit.
Related Courses:
ICND1 — Interconnecting Cisco Network Devices 1
ICND2 — Interconnecting Cisco Network Devices 2
CCNAX — CCNA Boot Camp v1.1
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