JN0-102: Changing Cable on Interface fe-4/2/3

Changing Cable on Interface fe-4/2/3

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Question

You are asked to change the cable on interface fe-4/2/3.

Which statement is correct?

Answers

A. The cable is found on port 4, FPC 2, and slot 3.

B. The cable is found on slot 2, port 3, and FPC 4.

C. The cable is found on FPC 4, slot 3, and port 2.

D. The cable is found on slot 2, FPC 3, and port 4.

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Explanations

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A. B. C. D.

The interface name "fe-4/2/3" provides information about the location of the interface and helps to identify the cable that needs to be replaced.

In Junos OS, the interface naming convention follows the format "fpc/pic/port," where "fpc" represents the Flexible PIC Concentrator (FPC), "pic" represents the Physical Interface Card (PIC), and "port" represents the physical port on the PIC.

Therefore, based on the given interface name "fe-4/2/3," we can conclude that the cable is connected to:

FPC 4: The first part of the interface name "fe-4" indicates that the interface is on FPC 4.
PIC 2: The second part of the interface name "fe-4/2" indicates that the interface is on PIC 2.
Port 3: The third part of the interface name "fe-4/2/3" indicates that the cable is connected to port 3 on PIC 2 of FPC 4.

Using this information, we can eliminate options B and D as they both have incorrect values for FPC and PIC.

Option A has the correct FPC, PIC, and port numbers, so it is the correct answer.

Option C has the correct FPC and slot numbers but has the incorrect port number. Therefore, option A is the only correct statement for this question.

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