Question: In a Multi-Radio Dual Connectivity (MR-DC) setup, what is a key characteristic of the backhaul connection between the Master Node (MN) and the Secondary Node (SN)?
Option 1: Ideal backhaul with guaranteed low latency
Option 2: Shared spectrum channel access for both MN and SN
Option 3: Exclusive use of NR access for the backhaul link
Option 4: Non-ideal backhaul, which the MR-DC is primarily designed to accommodate
Explanation: MR-DC is designed with the assumption of non-ideal backhaul between the different nodes (MN and SN), meaning it can handle potential issues like higher latency or less reliability in the connection between these nodes, though it can also function with ideal backhaul. This characteristic is crucial for its application in various network conditions.