Can you self install a new install (cable, phone, internet) after having Verizon changing outside wires/cables?

We've had Xfinity/Comcast for years in our home, we switched to Verizon for a short time, they changed a few cables. Do I need a tech to do a full in home install because of the new Verizon cords/cables?  I think they changed to a different cable in the small box off our first floor window outside?  6 foot cable from the box to inside our living room.   Are all cables the same no matter the company?   

I have no issues starting my own modem or plugging a DVR box in, I am concerned with the different cables they changed in the beginning.   If I do need a tech to install, is that included in the price or is there a fee for that?     Thanks for any help just getting prepared to start the switch over the next 2 weeks.