Question: What type of handover is required to be supported by the 5G system between NR and E-UTRA?
Option 1: Hard Handover
Option 2: Soft Handover
Option 3: Softer Handover
Option 4: Seamless Handover
Explanation: The correct answer is Seamless Handover, as the 5G system shall be able to support seamless handover between NR and E-UTRA. This means that the handover should occur without any noticeable interruption or disruption to the ongoing communication session.