Review Questions

This section includes a variety of questions on the topic of this chapter—Layer 3 switching. By completing these, you can test your mastery of the material included in this chapter as well as help prepare yourself for the CCIE written and lab tests.

1:	What is the difference between routing and Layer 3 switching?
2:	Can the router-on-a-stick approach to inter-VLAN routing also support inter-VLAN bridging?
3:	How can the RSM be especially useful in remote office designs?
4:	What are the strengths of the RSM approach to Layer 3 switching?
5:	Does MLS eliminate the need for a router?
6:	Does MLS require a router that runs the router-based NetFlow mechanism?
7:	In MLS, does the router create the shortcut entry and download it to the Layer 3 CAM table located in the Catalyst's NFFC or MSFC/PFC?
8:	What is a flow mask?
9:	How does the Catalyst 8500 make routing decisions?
10:	What are the two routing options offered for the Catalyst 6000 family? From a conceptual standpoint, how do they differ?
11:	What is MHSRP? How is it useful?
12:	What is the difference between CRB and IRB?
13:	When is IRB useful?
14:	What are some of the dangers associated with mixing bridging and routing?
15:	What is the benefit of using the IEEE and DEC Spanning-Tree Protocols at the same time? Where should each be run?