What are two types of IS-IS PDUs? (Choose two.)

The correct answer is C. hello PDU D. link-state PDU. IS-IS hello (IIH) PDUs broadcast to discover the identity of neighboring IS-IS systems and to determine whether the neighbors are Level 1 or Level 2 intermediate systems. Link-state PDUs contain information about the state of adjacencies to neighboring IS-IS systems.

IS-IS

Question

Options

Aopen PDU
BVRF PDU
Chello PDU
Dlink-state PDU

How the community answered

(38 responses)

A
16% (6)
B
5% (2)
C
79% (30)

Explanation

IS-IS hello (IIH) PDUs broadcast to discover the identity of neighboring IS-IS systems and to determine whether the neighbors are Level 1 or Level 2 intermediate systems. Link-state PDUs contain information about the state of adjacencies to neighboring IS-IS systems.

Topics

#IS-IS PDU types#hello PDU#link-state PDU#IS-IS protocol

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