Computer Operating Systems

Urban Voice -- Instructor: Lenny Bailes

Extension Day 1 Agenda

1. Review A+ Exam questions

2.  Networking Concepts from A+ in Depth, Ch. 18

   Define these networking terms:

   MAC Address:  __________________________________

   Network segment: ________________________________

  Bridge: _________________________________________

   Switch: _________________________________________

   What is the difference between a bridge and a switch? ________________



    An ipv4 TCP/IP address consists of ___ bits.

    Each of the four numbers (called ________) in the address can
     range from ___ to ___.

   IP addresses are divided into classes.    The three most well-known classes are:

Class Octets # of possible networks Total # of IP addresses

Define subnet: _______________________________

Define net mask: _____________________________

Define gateway: _____________________________

Define dns server: ___________________________

Define DHCP server: _________________________

The TCP/IP protocol standards reserve several series of Class A, B, and C
addresses as private addresses which cannot be used over the Internet.

Private Class A Address range:

Private Class B Address Range

Private Class C Address range:

Extra reserve IP addresses: ____________, _____________, ____________

Define Network Address Translation (NAT): ______________________________


Define Domain Name: ________________________________________________

Define NETBIOS name: ______________________________________________

How are Domain Names and NETBIOS names resolved to IP addresses? (List three
different methods.)




Lab Exercises

1. Finish Day1Ex lab exercises.

2.  Change the NETBIOS name of your computer. Disable the TCP/IP protocol from one
    computer and install NETBEUI on partner's computer.   Can the two computers establish
    a network connection? Now install NETBEUI on the first computer. Can the two establish
    a network connection?

3. Remove and reinstall Network Adapter.

4. Manually set up IP address, gateway, and DNS server.

5. Use network troubleshooting tools: IPCONFIGA, PING, TRACERT, NSLOOKUP
    (See Labs handout)

  Suggested Homework

   Take this Windows XP Practice Test, compiled from A+ in Depth, Ch. 14 and Ch. 15.
Read A+ in Depth Chapters 17 (Supporting Modems), 18 (PCs on a Network), and 19 (PCs on the Internet)
   Answer review questions for each chapter and study the vocabulary terms.
   If you have time, also look at Chapter 21 (Supporting Printers) and 22 (All About SCSI).
   Continue working with A+ practice tests.

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