welcome to hyperlearning!
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Welcome to HyperLearning!
Network+10/22/2007
• Instructor Info– Joshua Newell
e. Joshua.Newell@gmail.com – c. 757-675-8467
• Certifications– B.S.C.S College of William and Mary, 2004– Comptia A+, 2000 – Comptia Network+, 2007– 1/2 CTT+, 2007
• Work Experience– Taught A+, Network+, MS Office, Programming Logic,
& Command Line for two years at a competitor – Worked for two years doing software implementation
and consulting for a government contractor in DC– Have been teaching for HLT since May– On-call tech and IT consultant for the last 8 years
Class Schedule
• Mondays, Wednesdays, & Fridays 5:30-10pm• 10/22 – 11/11
– Oct 22, 24, 26, 29; Nov 2, 5, 7, 9, 11*(8:30am-1) • Unless I state otherwise, every class will go until
at least 10pm. • Please do not start packing up until I dismiss class.• There is a ~2 week gap between the Network+ and
the MCDST start in order for you to prepare for and take your Network+ cert
Student Introductions
• Tell me about yourself– Work experience– Current employment– IT Background– What kind of computing resources do you
have access to?– Rate yourself on a scale of 1-10 on your
Network+ type skills
-Classroom/Building orientation
• Bathrooms • Cafeteria and Smoking Area • Snacks - Anything in a package (soda, crackers,
granola bars, etc) is 50 cents • Anything not in a package (fruit, pastries, coffee,
etc) is FREE • Coffee Poll • Breaks - Ask for one if you need it, or I'll call one
when I do. Try to keep it under 10 minutes
Cell Phone Policy
• Please set your phones to vibrate or mute
• I don’t mind if you answer your phone, but please take it into the hallway
• The first person’s phone that rings is a warning to everyone else- Mute your phone!
• The second person’s phone that rings buys pizza for the class – Papa John’s
Disk Drives
• NOT HOT SWAPPABLE
• FRAGILE / HANDLE WITH CARE
• Get key from front at beginning of class. Make sure the computer is OFF. Insert the “A" (red) disk
• At end of class, shutdown your machine. Make sure it is OFF. The n, turn the key and remove the disk.
Expectations• Homework
– There is homework. Consider this class "computer college" – If you don't do the homework, you will not pass your certs.
• Home Classroom – You need two computers with NICs and a switch/hub/router to
practice on. – Needs to be breakable- Not the machine your
taxes/homework/Great American Novel are on – You can get these for cheap to free
• Attendance – Attendance is mandatory – Please sign in on the roster when you arrive – If you miss more than two classes you will not receive a
certificate of completion – If you're going to be late, please call me and let me know what
time you will make it so I can plan to start class accordingly – If you don't come to class, you will not pass your certs.
• Tutoring– Please ask for one-on-one tutoring outside of class if you need
help.– I want you to pass your cert.
Goals• What's your goal for this class? What are
your goals for intermediate future? • Goals vs Dreams • My goal is to get you certified. • We’ll give you the tools: books, lectures,
Transcenders, PDF tests, answers to questions via phone and email, and hands-on training through labs.
• If you’re in this class, it means you probably already have your A+. If you have already passed one cert then you know what you need to do to succeed and you know that it’s possible.
Lab0 - Fix Computer Names and Join the Domain • Logon as “Administrator” - Password is “!Pass1234”• Restart the computer if it asks you to and log back in• Right click My Computer->
Properties->Computer Name->Change-> enter "Computer##"
where ## is the two-digit number assigned to your computer (i.e. Computer01, Computer02, etc.)
• Click “Member of” -> DomainEnter “Classnet” and hit OK
• Logon as User## where ## is the two-digit number assigned to your computer (i.e. User01, User02, etc.) with password !Pass1234
• OK….”Welcome to the Classnet Domain” - Restart
TCP/IPThe lingua franca of the Internet
A Very Brief History of TCP/IP and the Internet
• Origins of TCP/IP start in the 1960s at MIT and with the creation of ARPANET
• The original versions of TCP/IP as we know it today were created in the 1980s
• In 1983, the DoD mandated that all of their computer systems would use the TCP/IP protocol suite for long-haul communications
• ARPANET started with four nodes in 1969 and grew to just under 600 nodes before it was split in 1983.
• ARPANET grew smaller and smaller during the late 1980s as sites and traffic moved to the Internet, and was decommissioned in July 1990.
History of TCP/IP and the Internet (continued…)
• In 1986, the National Science Foundation (NSF) built a backbone network dubbed the NSFNET to interconnect four NSF-funded supercomputer centers
• Originally for non-commercial use, the NSFNET eventually became the backbone of “the Internet”
Dramatic Growth of the Internet
TCP/IP – What is it?• Transmission Control Protocol/Internet Protocol• A suite of communications protocols• TCP/IP uses several protocols, the two main
ones being TCP and IP. • TCP/IP is built into the UNIX operating system
and is used by the Internet, making it the de facto standard for transmitting data over networks.
• Even network operating systems that have their own protocols, such as Netware, also support TCP/IP
TCP/IP – What is it?• TCP/IP is roughly based on the OSI (Open
Systems Interconnection) Model
Math Review• Decimal – Base 10
– 0,1,2,3,4,5,6,7,8,9
• Binary – Base 2– 0,1
Decimal Math• 1• 10• 100• 1000
__ __ __ __100s 1s10s1,000s
Ex. __ __ __ __2 591
1000 X 1
100 X 210 X 9
1 X 5
1000 + 200 + 90 + 5 = 1295
Binary Math• 1 = 1• 10 = 2• 100 = 4• 1000 = 8
__ __ __ __4s 1s2s8s
Ex. __ __ __ __1 111
8 X 1
4 X 12 X 1
1 X 1
8 + 4 + 2 + 1 = 15
Binary to Decimal Example• 1 = 1• 10 = 2• 100 = 4• 1000 = 8
__ __ __ __4s 1s2s8s
Ex. __ __ __ __0 011
8 X 1
4 X 02 X 1
1 X 0
8 + 0 + 2 + 0 = 10
Decimal to Binary
• Example: 121d to Binary
• Write out the places up to the number you are converting
64 32 16 8 4 2 1128
__ __ __ __ __ __ __1
121-64=57
1
57-32=25
1
25-16=9
1
9-8=1
0 0 1
1-1=0
Practice
• Convert Binary to Decimal1. 1011
2. 10101
3. 11111
4. 10000
Practice
• Convert Decimal to Binary
1. 7
2. 11
3. 23
4. 123
http://www.hyperlearn.com/documents/will_harpers_tcp_ip_subnetting_cheat_sheet.htm
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