Cisco Packet Tracer?

Question

Cisco

Good afternoon.
Can someone explain how to fix these problems?
I can roughly imagine how, but the teacher constantly sends for retakes.
I already completely despaired, because I studied a lot of information and everywhere the same thing, but he doesn't "like" it.
Mb the answer will appear here? At least purely for myself to understand I'm right and he just drowns or I'm really stupid somewhere.

Answer 1

I welcome
judgments on the port status icons on the switches where the yellow icons are not configured
- access ports to the required Vlan
- trunk ports are not configured between the switches
configuration check commands:
show vlan
show interface trunk
, for example, read such articles to make it clearer:
https://habr. com/en/post/319080/