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CompTIA Network+ N10-006 Cert Guide: Network Components

Mar 30, 2015

📄 Contents

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Foundation Topics
Exam Preparation Tasks
Review Questions

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CompTIA Network+ N10-006 Cert Guide

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Exam Preparation Tasks

Review All the Key Topics

Review the most important topics from inside the chapter, noted with the Key Topic icon in the outer margin of the page. Table 3-4 lists these key topics and the page numbers where each is found.

Table 3-4 Key Topics for Chapter 3

Key Topic Element	Description	Page Number
List, Figure 3-2	Common coaxial connectors	64
List	Categories of UTP cabling	66
List, Figure 3-5	Common twisted-pair connectors	68
Figure 3-7	Light propagation in multimode fiber	71
Figure 3-8	Light propagation in single-mode fiber	71
List, Figure 3-9	Common fiber-optic connectors	73
Figure 3-10	Example: Cable distribution system	74
List	Three types of Ethernet hubs	78
Figure 3-14	Ethernet hub	79
Figure 3-15	Ethernet bridge	79
Figure 3-26	Layer 2 Ethernet switch	87
Figure 3-27	Multilayer Ethernet switch	88
Figure 3-28	Router	89
Table 3-1	Network infrastructure device characteristics	89
Figure 3-29	VPN concentrator	90
Figure 3-30	Firewall	91
Figure 3-31	DNS server	92
Figure 3-32	Hierarchical domain name structure	93
Table 3-2	Common DNS record types	93
Step list	Obtaining IP address information from a DHCP server	95
Figure 3-34	Proxy server operation	96
Figure 3-35	Content engine operation	98
Figure 3-36	Content switching operation	98
Figure 3-37	Virtual server	100
Figure 3-38	Virtual server with a virtual switch	101
Figure 3-39	Virtual desktop topology	102
Figure 3-40	Sample VoIP network topology	104
Table 3-3	VoIP network elements	105

Complete Tables and Lists from Memory

Print a copy of Appendix D, “Memory Tables” (found on the DVD), or at least the section for this chapter, and complete the tables and lists from memory. Appendix E, “Memory Table Answer Key,” also on the DVD, includes completed tables and lists so you can check your work.

Define Key Terms

Define the following key terms from this chapter, and check your answers in the Glossary:

coaxial cable
twisted-pair cable
shielded twisted-pair cable
unshielded twisted-pair cable
electromagnetic interference (EMI)
plenum
multimode fiber (MMF)
single-mode fiber (SMF)
66 block
110 block
hub
switch
router
multilayer switch
firewall
Domain Name System (DNS) server
Dynamic Host Configuration Protocol (DHCP)
proxy server
content engine
content switch
virtual server
virtual switch
virtual desktop
on-site
off-site
network as a service (NaaS)
virtual PBX
Session Initiation Protocol (SIP)
Real-time Transport Protocol (RTP)

Complete Chapter 3 Hands-On Labs in Network+ Simulator Lite

Contrast Virtualization Technologies and Services
Using ARP to Discover a MAC Address

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