200-155 · Question #194
Which two services does a Cisco APIC provide during the startup process of the Cisco ACI fabric? (Choose two.)
The correct answer is A. bootstrap configuration E. DHCP. During the startup process of a Cisco ACI fabric, the APIC provides essential services including DHCP for IP address assignment and bootstrap configuration for initial device setup.
Question
Which two services does a Cisco APIC provide during the startup process of the Cisco ACI fabric? (Choose two.)
Options
- Abootstrap configuration
- BEIGRP
- CCDP
- DDNS
- EDHCP
How the community answered
(48 responses)- A90% (43)
- B6% (3)
- C2% (1)
- D2% (1)
Why each option
During the startup process of a Cisco ACI fabric, the APIC provides essential services including DHCP for IP address assignment and bootstrap configuration for initial device setup.
The APIC pushes the initial bootstrap configuration to newly discovered leaf and spine switches, enrolling them into the ACI fabric and applying base settings. This is a crucial step in fabric bring-up.
EIGRP is a routing protocol not directly provided by the APIC during initial fabric startup; ACI uses IS-IS internally for routing within the fabric.
CDP (Cisco Discovery Protocol) is used by switches for neighbor discovery, but the APIC itself does not 'provide' CDP as a service during startup; it leverages discovery mechanisms that use information from such protocols.
DNS is typically used for name resolution, but the APIC does not act as a DNS server for fabric device startup; its primary role involves IP address assignment and configuration.
The APIC acts as a DHCP server for fabric infrastructure interfaces, assigning IP addresses to the leaf and spine switches to enable their initial communication and discovery within the ACI fabric.
Concept tested: Cisco ACI fabric discovery and APIC services
Source: https://www.cisco.com/c/en/us/td/docs/dcn/aci/apic/5x/sw/getting-started/b_Cisco_APIC_Getting_Started_Guide_5x/m_getting_started_fabric_discovery.html
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