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: ________________________________
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
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)
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.