you will Find the stuff on the CMS too, But I posted them to make it easier( Isn't?? )
Following are the important points:
1- Lecture presentation
2- Review questions at lecture
3- Chapters 6, 7, 8, 9 from book "CCNA Cisco Certified Network Associate Study Guide Sixth Edition "
4- WAN technologies book except ISDN chapter and chapter 6
5- In all chapter first review what we said at lecture from presentation then read from book what is relative.