nerdexam
Juniper

JN0-102 · Question #184

What are three physical interface properties? (Choose three.)

The correct answer is A. payload scrambling C. FCS D. link speed. Physical interface properties include payload scrambling, Frame Check Sequence (FCS) mechanisms, and link speed.

Junos OS Fundamentals

Question

What are three physical interface properties? (Choose three.)

Options

  • Apayload scrambling
  • Bvirtual circuit identifier
  • CFCS
  • Dlink speed
  • EIP address

How the community answered

(60 responses)
  • A
    93% (56)
  • B
    3% (2)
  • E
    3% (2)

Why each option

Physical interface properties include payload scrambling, Frame Check Sequence (FCS) mechanisms, and link speed.

Apayload scramblingCorrect

Payload scrambling is a physical layer technique used to ensure sufficient bit transitions for clock recovery and reduce EMI, making it a physical interface property.

Bvirtual circuit identifier

A virtual circuit identifier (VCI) is a Layer 2 (e.g., ATM) or Layer 2.5 (e.g., MPLS) identifier for a logical connection, not a direct physical interface property.

CFCSCorrect

Frame Check Sequence (FCS) is a field in data link layer frames that ensures data integrity over the physical medium by detecting transmission errors, making it a property closely tied to physical transmission.

Dlink speedCorrect

Link speed (e.g., 1 Gbps, 10 Gbps) is a fundamental characteristic of the physical layer that determines the rate at which data is transmitted over the interface.

EIP address

An IP address is a Layer 3 (network layer) property used for logical addressing and routing, distinct from the physical characteristics of an interface.

Concept tested: Junos physical interface properties

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

Topics

#physical interface#interface properties#network interfaces

Community Discussion

No community discussion yet for this question.

Full JN0-102 Practice