Chapter 23 ?s

Answer the following questions concerning CHAPTER 23:

DUE TUESDAY!

• What should be the first troubleshooting step in any context or situation?
• Explain how a time domain reflectometer works.
• Explain what the ARP command is used for.
• Explain what the PING command is used for.
• Explain what the NETSTAT command is used for.
• Explain what the TRACERT command is used for.
• Explain what the IPCONFIG command is used for.
• Explain what the PATHPING command is used for.
• Explain what the NSLOOKUP command is used for.
• What are the 3 indicator lights that are commonly found on network connectivity devices?
  
• What does it mean when you have an IP address of 169.254.xxx.xxx
• What are the 2 methods for encrypting a wireless signal?
• Which method is more secure?
• Explain the "power cycle" process.
• What is the default network ID when using ICS?

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Chapter 22 ?s

Answer the following concerning CHAPTER 22:

• What is the most famous WAN?
• Who maintains it?
• How many bits are in an IP address?
• How many host are possible in a class A network?
• How many networks are available in a class B network?
• How many hosts are possible in a class C network?
• Why are subnets created?
• What is a privat network?
• Define .com
• Define .net
  
• Define .org
  
• Define .edu
  
• What do DNS servers accomplish?
• What are the 5 internet access methods presented in this chapter?
• What is the technology that enables a LAN to connect to the internet by using a single IP address?
• What is the big difference between the ordinary phone network and the way that VoIP phones work?
• What are the 3 implementations of VoIP?
• Define TCP/IP.
• Who developed TCP/IP?
• What happens to data which was sent using TCP/IP if it becomes fragmented and out-of-order?
• Define WINS.
• Define DHCP. List 3 settings which are set by DHCP.
• Define ARP.
• Define URL.
• What are the 2 protocols normally used for retrieving email?
• What is the protocol normally used for send email?
• What does SSL accomplish?
• What does telnet accomplish?
• List the ports used for the following: http, https, ftp, telnet, smtp, rdp.
• List 6 different web browsers.
• How are viruses and spyware transmitted via websites?
• What does a proxy server accomplish?

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