It should be based on what they need and use in the office. In general, you'll want to make it easy for telecommuters to do as much of their job remotely as they need to do. If they have access to three LANs in the office but can only access one remotely, that could be a big problem - and could severely limit their effectiveness.

Fortunately, the technologies for remote LAN access have been steadily improving, and the vendors that provide them are working hard to continue this trend.