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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

Using the ping Utility

The ping utility is the most basic TCP/IP utility, and it’s included with most TCP/IP stacks for most platforms. Windows, again, is no exception. In most cases, ping is a command-line utility, although there are many GUI implementations available. You use the ping utility for two primary purposes:

  • To find out if a host is responding
  • To find out if you can reach a host

Here’s the syntax (you can use either command):

ping hostname

ping IP address

If you ping any station that has an IP address, the ICMP that’s part of that particular host’s TCP/IP stack will respond to the request. The ICMP test and response looks something like this:

ping 204.153.163.2

Pinging 204.153.163.2 with 32 bytes of data:

Reply from 204.153.163.2: bytes=32 time<10ms TTL=128

Reply from 204.153.163.2: bytes=32 time=1ms TTL=128

Reply from 204.153.163.2: bytes=32 time<10ms TTL=128

Reply from 204.153.163.2: bytes=32 time<10ms TTL=128

Because I’ve received...

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