Information Technology Reference
In-Depth Information
Review the most important topics in the chapter, noted with the Key Topics icon in the
outer margin of the page. Table 2-5 lists a reference of these key topics and the page num-
bers on which each is found.
Ta b l e 2 - 5
Key Topics
Key Topic
Element
Description
Page
Summary
Hierarchical Network models
40
Figure 2-5
Cisco Enterprise Architecture model
48
Summary
High availability network services
58
Print a copy of Appendix D, “Memory Tables,” (found on the CD), or at least the section
for this chapter, and complete the table s and lists from memor y. Appendix E, “Memor y Ta -
bles Answer Key,” also on the CD, includes completed tables and lists to check your work.
Define the following key terms from this chapter, and check your answers in the glossary:
core layer, distribution layer, access layer, VLAN, PoE, ARP, VSS, enterprise campus
module, enterprise edge, enterprise WAN module, enterprise remote branch module,
enterprise data center module, enterprise teleworker module, HSRP, VRRP, GLBP
The answers to these questions appear in Appendix A. For more practice with exam for-
mat questions, use the exam engine on the CD-ROM.
1.
Tr ue or fals e: The core layer of the hierarchic al model doe s s ec ur it y filter ing and me-
dia translation.
2.
Tr ue or fals e: The acce s s layer prov ide s high availabilit y and por t s ec ur it y.
