A is correct, since Tenant and Bridge Domain are present by default on the GUI.
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/4-x/basic-configuration/Cisco-APIC-Basic-Configuration-Guide-411/Cisco-APIC-Basic-Configuration-Guide-411_chapter_0100.html#task_730EB317BDE94145BAF91092F88B5257
Correct answer should be B. Both a contract and VLAN pool should be created however the questions specifies "construct" and the only logical construct among VLAN pool and contrats is the latter.
B is correct since contract is a logical construct.
Cisco ACI Logical Constructs:
Tenant
VRF
Bridge Domain
EPG
Application Profile
Contract
Reference: Cisco U
A contract is a policy construct used to define communication between EPGs.
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-743951.html
In Cisco ACI, the typical components involved in configuring in-band management include a management tenant, management VRF, bridge domain for management, VLAN pool, and the assignment of IP addresses to the in-band interfaces of the fabric devices (APICs, leaf nodes, and spine nodes).
A "management contract" is more commonly associated with defining the communication rules or policies for managing the ACI fabric, but it is not directly related to the creation of the necessary constructs for in-band management
This is not D, Correct answer is B.
Bridge domain "inb" is pre-defined within the management tenant.
As per Red Nectar Article - "I’ll assign the default gateway IP address to the pre-defined inb Bridge Domain in the mgmt Tenant".
https://rednectar.net/2016/12/22/configuring-in-band-management-for-the-apic-on-cisco-aci-part-1-via-an-epg/
I can confirm this is correct within own lab environment.
inb (Bridge domain pre existing). No Vlan pool and ideally one of the first steps required. MGMT tenant exists. Management contract is the last "to do". Construct literally means build blocks. Hence nothing can be built with thr VLANS.
D is correct,
pls refer link: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/4-x/basic-configuration/Cisco-APIC-Basic-Configuration-Guide-411/Cisco-APIC-Basic-Configuration-Guide-411_chapter_0100.html#task_730EB317BDE94145BAF91092F88B5257
in the same link you have provided, watch closely it does Not mention "Create Bridge Domain", it only says expand the bridge domain(which must mean it is pre-existing). please correct me if my observation is incorrect...
Why is it not a bridge domain, it also needs to be created?
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