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CompTIA Network+ Study Guide: Exam N10-007

You're reading from   CompTIA Network+ Study Guide: Exam N10-007 Todd Lammle's bestselling CompTIA Network+ Study Guide for the N10-007 exam!

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Product type Paperback
Published in May 2018
Publisher Wiley
ISBN-13 9781119432258
Length 1008 pages
Edition 4th Edition
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Author (1):
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Todd Lammle Todd Lammle
Author Profile Icon Todd Lammle
Todd Lammle
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Table of Contents (27) Chapters Close

1. Introduction FREE CHAPTER 2. Chapter 1: Introduction to Networks 3. Chapter 2: The Open Systems Interconnection Specifications 4. Chapter 3: Networking Topologies, Connectors, and Wiring Standards 5. Chapter 4: The Current Ethernet Specifications 6. Chapter 5: Networking Devices 7. Chapter 6: Introduction to the Internet Protocol 8. Chapter 7: IP Addressing 9. Chapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NAT 10. Chapter 9: Introduction to IP Routing 11. Chapter 10: Routing Protocols 12. Chapter 11: Switching and Virtual LANs 13. Chapter 12: Wireless Networking 14. Chapter 13: Authentication and Access Control 15. Chapter 14: Network Threats and Mitigation 16. Chapter 15: Physical Security and Risk 17. Chapter 16: Wide Area Networks 18. Chapter 17: Troubleshooting Tools 19. Chapter 18: Software and Hardware Tools 20. Chapter 19: Network Troubleshooting 21. Chapter 20: Management, Monitoring, and Optimization 22. Index
23. Advert
24. EULA
Appendix A: Answers to Written Labs
1. Appendix B: Answers to Review Questions
2. Appendix C: Subnetting Class A

Spanning Tree Protocol

Once upon a time, a company called Digital Equipment Corporation (DEC) was purchased and renamed Compaq. But before that happened, DEC created the original version of Spanning Tree Protocol (STP). The IEEE later created its own version of STP called 802.1D. Yet again, it’s not all clear skies—by default, most switches run the IEEE 802.1D version of STP, which isn’t compatible with the DEC version. The good news is that there is a new industry standard called 802.1w, which is faster but not enabled by default on any switches.

To begin with, STP’s main task is to stop network loops from occurring on your Layer 2 network (bridges or switches). It achieves this feat by vigilantly monitoring the network to find all links and making sure that no loops occur by shutting down any redundant ones. STP uses the spanning-tree algorithm (STA) to first create a topology database and then search out and destroy redundant links. With STP running, frames...

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