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?

  1. a DLCI
  2. an LMI signal
  3. an FECN packet
  4. 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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