Q1: Can the When Attacking effect of this card's INHERITED effect cause my Digimon to be rested?
Yes, it is possible. Since the player is not specified, either Digimon can be specified as the target of the effect.
Lv.2 Fluffymon ST18-01 C In-Training | Mini Bird/LIBERATOR - --- Inherited: [When Attacking] [Once Per Turn] You may suspend 1 other Digimon with as much or less DP as this Digimon.
Lv.2 Fluffymon ST18-01 C In-Training | Mini Bird/LIBERATOR - --- Inherited: [When Attacking] [Once Per Turn] You may suspend 1 other Digimon with as much or less DP as this Digimon.
Lv.2 Fluffymon ST18-01 C In-Training | Mini Bird/LIBERATOR - --- Inherited: [When Attacking] [Once Per Turn] You may suspend 1 other Digimon with DP less than or equal to this Digimon.
Lv.2 フラフィモン ST18-01 C 幼年期 | 小鳥型/リベレイター - --- Inherited: 【アタック時】[ターンに1回]このデジモンのDP以下の他のデジモン1体をレストできる。