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JN0-102 · Question #59

You are asked to change the cable on interface ge-2/1/3. Which statement is correct?

The correct answer is C. The cable is found on port 3, FPC 2, and slot 1. Junos OS interface naming convention type-fpc/pic/port identifies the physical location of an interface, where ge-2/1/3 refers to FPC 2, PIC 1, and port 3.

Junos OS Fundamentals

Question

You are asked to change the cable on interface ge-2/1/3. Which statement is correct?

Options

  • AThe cable is found on FPC 1, slot 3, and port 2.
  • BThe cable is found on slot 1, port 2, and FPC 3.
  • CThe cable is found on port 3, FPC 2, and slot 1.
  • DThe cable is found on FPC 1, slot 2, and port 3.

How the community answered

(30 responses)
  • A
    7% (2)
  • B
    10% (3)
  • C
    80% (24)
  • D
    3% (1)

Why each option

Junos OS interface naming convention type-fpc/pic/port identifies the physical location of an interface, where ge-2/1/3 refers to FPC 2, PIC 1, and port 3.

AThe cable is found on FPC 1, slot 3, and port 2.

This option incorrectly maps the FPC, slot (PIC), and port numbers according to the Junos interface naming convention.

BThe cable is found on slot 1, port 2, and FPC 3.

This option incorrectly maps the FPC, slot (PIC), and port numbers according to the Junos interface naming convention.

CThe cable is found on port 3, FPC 2, and slot 1.Correct

Junos OS interface names follow the format type-fpc/pic/port. For ge-2/1/3, ge is the interface type, 2 is the Flexible PIC Concentrator (FPC) slot number, 1 is the PIC (Physical Interface Card) slot number on that FPC, and 3 is the specific port number on that PIC.

DThe cable is found on FPC 1, slot 2, and port 3.

This option incorrectly maps the FPC, slot (PIC), and port numbers according to the Junos interface naming convention.

Concept tested: Junos OS interface naming convention (FPC/PIC/port)

Source: https://www.juniper.net/documentation/us/en/software/junos/interfaces-fundamentals/topics/topic-map/interfaces-overview.html

Topics

#interface naming#FPC#PIC#port#physical interface

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