During Sprint Planning, it is identified that the team is required to build a small component using new technology. None of the Nexus members are experts in it, although couple of members have basic knowledge in this new technology.
What should be done to address this issue?

What is true about Nexus Sprint Goal? Select all that apply.

Which is not a mandatory event in Scrum but a mandatory event in Nexus?

What is the recommended number of teams per Nexus?

One of the key stakeholders sends an email to NIT Scrum Master. He is requesting the Nexus Sprint Review to be planned for 5 hours instead of 4, because the team is unable to demonstrate all the developed features.
What should the Nexus team do next?