Nokia

4A0-101 · Question #79

Which of the following best describes how IS-IS routers exchange updates on an Ethernet interface?

The correct answer is C. IS-IS routers exchange updates using Ethernet multicast packets. See the full explanation below for the reasoning.

Question

Which of the following best describes how IS-IS routers exchange updates on an Ethernet interface?

Options

AIS-IS routers exchange updates by sending UDP packets to a multicast address.
BIS-IS routers exchange updates using IP multicast packets.
CIS-IS routers exchange updates using Ethernet multicast packets.
DIS-IS routers exchange updates by sending packets to the subnet broadcast address.

How the community answered

(43 responses)

A
7% (3)
B
14% (6)
C
74% (32)
D
5% (2)

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