You're a consultant asked to troubleshoot authentication problems for your company. The organization is comprised of a central corporate office and a branch office that's connected to the remote office with a 128 K WAN link.
At the remote office, users are intermittently logged on using cached credentials even though a DC has been located at the remote site to authenticate users. The structure of the network is shown in Figure 3.12.
Figure 3.12 The network layout
Answer the following questions about this situation. The answers can be found in the appendix.