350-401 · Question #889
What are the four stages of obtaining an IP address lease from a DHCP server?
The correct answer is D. Discover, Offer, Request, Acknowledge. The process of a DHCP client obtaining an IP address lease from a DHCP server involves four key stages: Discover, Offer, Request, and Acknowledge (DORA).
Question
Options
- ADiscover, Offer, Release, Renew
- BDiscover, Obtain, Request, Renew
- CDetermine, Obtain, Release, Acknowledge
- DDiscover, Offer, Request, Acknowledge
How the community answered
(17 responses)- A6% (1)
- C6% (1)
- D88% (15)
Why each option
The process of a DHCP client obtaining an IP address lease from a DHCP server involves four key stages: Discover, Offer, Request, and Acknowledge (DORA).
While Discover and Offer are correct, 'Release' is a message used to terminate an existing lease, not part of the initial acquisition, and 'Renew' is for extending a lease.
'Obtain' is not a standard DHCP message name in the initial acquisition process; the client sends a Request. 'Renew' is for extending a lease, not initial acquisition.
'Determine,' 'Obtain,' and 'Release' are not standard DHCP message names or stages in the initial IP address lease acquisition process.
The DHCP client initiates with a Discover message, which prompts DHCP servers to send an Offer. The client then sends a Request for a specific offer, and the chosen server responds with an Acknowledge to confirm the IP lease.
Concept tested: DHCP DORA process
Source: https://www.cisco.com/c/en/us/support/docs/ip/dynamic-host-configuration-protocol-dhcp/27885-dhcp-client-0.html
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