Yes. Absolutely. The lymphatic system reacts to infection or illness in the body that it is trying to fight and a lymph node can swell. Very normal. Hope you feel better
Lymph nodes can be swollen for many reason. But as you said it’s most likely from strep. Are you sure it’s a lymph node? When lymph nodes swell up it’s usually our body’s fighting a virus off. I wouldn’t worry about it.