WAN services

darthen

I am extremely weak in wan services. Could anybody tell me a way to study the topic so it will be easier to learn and remember.

bellboy

http://www.techexams.net/technotes/networkplus/wantech.shtml is techexams' technote on wan technologies for network+, and may prove to cover the basics you can build on with ccna study.

Webmaster

and of course our ISDN TechNote

The network+ TechNote Bellboy linked to will be soon supplemented with more detailed info for the CCNA exam.