nerdexam
Juniper

JN0-481 · Question #47

What does VXLAN use to uniquely label and identify broadcast domains?

The correct answer is C. virtual network identifier (VNI). VXLAN (Virtual Extensible LAN) uses a Virtual Network Identifier (VNI), a 24-bit field in the VXLAN header, to uniquely label and identify broadcast domains. Each VNI maps to a Layer 2 segment, allowing scalable network virtualization across Layer 3 infrastructures.

Layer 2 and Layer 3 Underlay

Question

What does VXLAN use to uniquely label and identify broadcast domains?

Options

  • AVLAN ID
  • Bagent circuit identifier (ACI)
  • Cvirtual network identifier (VNI)
  • Dend system identifier (ESI)

How the community answered

(56 responses)
  • A
    2% (1)
  • B
    7% (4)
  • C
    88% (49)
  • D
    4% (2)

Explanation

VXLAN (Virtual Extensible LAN) uses a Virtual Network Identifier (VNI), a 24-bit field in the VXLAN header, to uniquely label and identify broadcast domains. Each VNI maps to a Layer 2 segment, allowing scalable network virtualization across Layer 3 infrastructures.

Topics

#VXLAN#VNI#broadcast domain#encapsulation

Community Discussion

No community discussion yet for this question.

Sign up to join the discussion
Full JN0-481 Practice