How different componet of ACI fits together

1.  VLAN Pool → defines VLANs (e.g., VLAN 113)
2. Domain → links to VLAN Pool (e.g., Physical Domain)
3. AEP → links to Domain
4. Interface Policy Group → links to AEP
5. Interface Profile → applies Interface Policy Group to a port
6. Switch Profile → applies Interface Profile to a switch
7. EPG → statically binds to the port using VLAN from the pool

Basic Vs Standard Public Ip Adddress SKU in AZURE

 Publick IP address in Azure is available in two SKUs.

Below are the key dfferences between Basic and Standard Public IP addresses.

IP Helper address in NXOS

 In NX-OS, the command equivalent to Cisco IOS's ip helper-address for DHCP relay is ip dhcp relay address. Both commands serve the same purpose: forwarding DHCP requests from clients to a DHCP server located on a different subnet.

Single-Mode Fiber (SMF) Vs Multimode Fiber (MMF)

The main difference between single-mode and multimode fiber optic cables lies in how they transmit light and the distances they can cover: