Comptia network+ review guide (paperback)

The perfect companion to Sybex"s CompTIA Network+ Study Guide, Second Edition

Approach the latest CompTIA Network+ exam with confidence

Before you take CompTIA"s Network+ Exam N10-005, reinforce your test prep with this concise guide that reviews all five exam domains: Network Concepts, Network Installation and Configuration, Network Media and Topologies, Network Management, and Network Security. You"ll find full coverage of all exam objectives, and also gain access to a practical and targeted set of online review tools.

• Easy-to-use book is organized by exam objectives for quick review

• Flexible review guide goes hand in hand with any learning tool on the market, including the Sybex CompTIA Network+ Study Guide, Second Edition

• "Exam Essentials" section in each chapter helps you zero in on what you need to know

• Gain access to a complete set of online exam prep and review tools, including two practice exams, electronic flashcards, and a full Glossary of Terms

Go to for a full set of online review tools.

• Targeted Review for the CompTIA Network+ Exam

• Includes Access to a Full Set of Online Review Tools

• The Perfect Companion to Any Network+ Learning Tool

Chapter 1 Domain 1 Network Technologies 1

1.1 Compare the layers of the OSI and TCP/IP models 7

OSI model 7

TCP/IP model 8

Exam Essentials 10

1.2 Classify how applications, devices, and protocols relate to the OSI model layers 10

MAC addresses 10

IP Addresses 11

EUI-64 11

Frames 11

Packets 11

Switch 12

Router 13

Multilayer Switch 13

Hub 13

Encryption devices 14

Cable 14

NIC 14

Bridge 15

Exam Essentials 15

1.3 Explain the purpose and properties of IP addressing 15

Classes of addresses 16

Classless (CIDR) 18

IPv4 vs. IPv6 (formatting) 19

MAC address format 21

Subnetting 22

Multicast vs. unicast vs. broadcast 26

APIPA 26

Exam Essentials 27

1.4 Explain the purpose and properties of routing and switching 27

EIGRP 28

OSPF 28

RIP 28

Link state vs. distance vector vs. hybrid 29

Static vs. dynamic 29

Routing metrics 30

Next hop 30

Spanning Tree Protocol 31

VLAN (802.1q) 31

Port mirroring 32

Broadcast domain vs. collision domain 32

IGP vs. EGP 33

Routing tables 33

Convergence (steady state) 34

Exam Essentials 34

1.5 Identify common TCP and UDP default ports 35

Exam Essentials 36

1.6 Explain the function of common networking protocols 36

Transmission Control Protocol (TCP) 41

File Transfer Protocol (FTP) 41

User Datagram Protocol (UDP) 41

TCP/IP suite 42

Dynamic Host Configuration Protocol (DHCP) 42

Trivial File Transfer Protocol (TFTP) 42

Domain Name System (DNS) 42

Hypertext Transfer Protocol (HTTP) 43

Hypertext Transfer Protocol Secure (HTTPS) 43

Address Resolution Protocol (ARP) 43

Session Initiation Protocol (SIP) 44

Real-Time Transport Protocol (RTP) 44

Secure Shell (SSH) 44

Post Office Protocol Version 3 (POP3) 44

Network Time Protocol (NTP) 45

Internet Message Access Protocol version 4 (IMAPv4) 45

Telnet 45

Simple Mail Transfer Protocol (SMTP) 45

Simple Network Management Protocol 2/3 (SNMP 2/3) 46

Internet Control Message Protocol (ICMP) 46

Internet Group Multicast Protocol (IGMP) 46

Transport Layer Security (TLS) 47

Exam Essentials 47

1.7 Summarize DNS concepts and its components 47

DNS servers 47

DNS records 47

Dynamic DNS 48

Exam Essentials 48

1.8 Given a scenario, implement the following network troubleshooting methodology 48

Identify the problem 49

Establish a theory of probable cause 49

Test the theory to determine cause 50

Establish a plan of action to resolve the problem and identify potential effects 50

Implement the solution or escalate as necessary 50

Verify full system functionality and if applicable implement preventive measures 51

Document findings, actions, and outcomes 51

Exam Essentials 51

1.9 Identify virtual network components 51

Virtual Switches 52

Virtual Desktops 52

Virtual Servers 52

Virtual PBX 53

Onsite vs. Offsite 53

Network as a Service (NaaS) 53

Exam Essentials 54

Review Questions 55

Chapter 2 Domain 2 Network Installation and Configuration 57

2.1 Given a scenario, install and configure routers and switches 60

Routing tables 60

NAT 61

PAT 61

VLAN (trunking) 63

Managed vs. unmanaged 63

Interface...