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Cisco 300-410: Understanding DORA (Discover, Offer, Request, Acknowledge) in DHCP

By: Author Alex Lim

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Learn about the four stages of obtaining an IP address from a DHCP server, known as DORA: Discover, Offer, Request, Acknowledge.

Table of Contents

Question

What are the four stages of obtaining an IP address from a DHCP server that corresponds to the acronym DORA?

A. Discover, Offer, Release, Addressing
B. Discover, Obtain, Request, Acknowledge
C. Determine, Offer, Release, Acknowledge
D. Discover, Offer, Request, Acknowledge

Answer

D. Discover, Offer, Request, Acknowledge

Explanation

The correct answer is D. Discover, Offer, Request, Acknowledge. These are the four stages of obtaining an IP address from a DHCP server, which correspond to the acronym DORA.

  1. Discover: The client broadcasts a DHCPDISCOVER message on the network to find a DHCP server.
  2. Offer: The DHCP server responds with a DHCPOFFER message, offering an IP address and other network parameters to the client.
  3. Request: The client sends a DHCPREQUEST message to the server, requesting the offered address.
  4. Acknowledge: The DHCP server sends a DHCPACK message to the client, acknowledging that the IP address has been assigned to the client.

Cisco 300-410 certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the Cisco 300-410 exam and earn Cisco 300-410 certification.