New tutorial: Network Address Translation (NAT)

New Tutorial: Network Address Translation
We’re pleased to offer one of the lessons in the new online course module for free as a tutorial.
In this lesson, we’ll explore how private IPv4 addresses used in-building and a public address required for Internet communications can be joined together with a software function called Network Address Translation.
Click here for the free tutorial. Look for the "watch now (free)" link after the jump. Enjoy!

New Online Course Module: IP Packet Networks, Addresses and Routers

New Online Course Module: IP Packet Networks, Addresses and Routers
In this module, we concentrate on the fundamentals of IP packet networks, routers and IP addresses.
Packet networks embody two main ideas: bandwidth on demand and packet switching. First, we’ll recap channelized TDM and its limitations, then understand statistical TDM or bandwidth on demand. Next, we’ll understand how routers implement the network with packet-switching, that is, relaying packets from one circuit to another, and how routers are a point of control for network security. We’ll introduce the term Customer Edge (CE).
Then we’ll cover the many aspects of IP addressing: IPv4 address classes, dotted decimal notation, static vs. dynamic addresses, DHCP, public vs. private addresses, Network Address Translation, IPv6 overview and finish with IPv6 address allocation and assignment.
 
Online Course Module L2012 The OSI Layers and Protocol Stacks

IP Packet Networks, Addresses and Routers
1. Module Introduction   watch now (free)
2. Review: Channelized Time-Division Multiplexing (TDM)
3. Statistical Time-Division Multiplexing: Bandwidth-on-Demand
4. Private Network: Bandwidth on Demand + Routing
5. Routers
6. IPv4 Addresses
7. DHCP
8. Public and Private IPv4 Addresses
9. Network Address Translation   watch now (free)  new tutorial!
10. IPv6 Overview
11. IPv6 Address Allocations and Assignment
 

 
New Tutorial: Network Address Translation
We’re pleased to offer one of the lessons in the new online course module for free as a tutorial.
In this lesson, we’ll explore how private IPv4 addresses used in-building and a public address required for Internet communications can be joined together with a software function called Network Address Translation.
Click here for the free tutorial. Look for the "watch now (free)" link after the jump. Enjoy!

802.11g Wireless LAN (WiFi) base station on my new Samsung Galaxy Android phone

Waiting for a flight at the airport. Time on my hands, I try out a feature included with the Android operating system on my new Samsung Galaxy: create an 802.11g Wireless LAN (WiFi) base station on the phone.

This WiFi network is automatically bridged inside the phone to the Internet connection provided by the cellular carrier.

Easy step-by-step instructions were included on the setup screen.

Fired up my laptop and found the WiFi network and connected no problem.

In fact, I sent a post to Google’s servers over the very link!

Ain’t technology wonderful.

Bonus: your car can now be a WiFi hotspot! You could even get a WiFi hotsopt logo sticker and put it on your back window, like Greyhound… On a long car trip with my family, all of whom have WiFi enabled iPhones, iPods, DSs etc. etc., I can tell them the WiFi password, and they can share my internet connection.

Double bonus: If the kids start squabbling, I can threaten to turn it off!

btw, I have 6 GB/month in my plan, so not so worried about usage-based pricing for the connection. Best check your billing plan before trying it.

EC

New! Try the free Teracom Telecom, Datacom and Networking Quiz

Assess your knowledge of telecommunications, data communications and networking fundamentals with this free online quiz!
The quiz is ten random multiple-choice questions from the Certified Telecommunications Analyst CTA certification exam. You’ll get an immediate reading of your telecom, datacom and networking IQ, and maybe even learn something useful during the answers review at the end.
Do it as many times as you like - different questions every time!
Challenge your colleagues!
Instructions
1. Follow the step-by-step instructions on this page to load the free knowledge evaluation quiz
2. Enter your answers for each of the ten multiple-choice questions.
At the end your score will be displayed and you’ll have a chance to review the answers.
3. No one expects you to know all this stuff… but… comparing your answers to the correct ones, you may well find that you need to improve your knowledge base. Our renowned telecom training for non-engineers is the ideal way to fill in the gaps, put in place a solid base of knowledge and a structure on which to build.
4. Register for one of our high-quality public seminars, hold a private on-site seminar, order our
self-paced DVD-video series, take online course modules and/or get a Telecom 101 reference book.
5. Learn what the jargon and buzzwords really mean, and how it all fits together. Be more effective and less frustrated. Deal with telecom and networking equipment vendors and carriers. Speak intelligently at meetings. Converse with “techies”. Obtain a valuable reference book.
6. Gain serenity, a promotion, a revitalized career, new job, or even achieve world domination.*
*Individual results may vary

Facebook vs. Google Contest

Which is more popular with our users: facebook or Google+?  Vote here!

Click like or +1 to like Teracom, our free videotutorials, the new online quiz, free online lessons, our course content and all the other great stuff you can find here.

On 2011 09 01, ten participants will win the full CTA Exam for free!

Contest open worldwide.

Ten chances to win the full CTA Certification Exam for free!
Cast your vote

Wireless Communications - Online Course Module released

We’re pleased to announce the release of another online course module: Wireless Communications.

In this module, we cover wireless, concentrating mostly on mobile communications. We’ll cover the principles of operation, jargon and buzzwords in the mobility business, the idea behind cellular radio systems, and explain the different spectrum-sharing technologies, including 1G analog FDMA, 2G TDMA/GSM vs. CDMA, 3G 1X vs. UMTS CDMA and 4G OFDMA. We’ll conclude with a lesson on 802.11 wireless LANs (Wi-Fi) and a lesson on satellite communications.

Lessons in this module

1. Module Introduction - Wireless Communications watch intro now (free)

2. Mobile Network Components, Jargon and Basic Operation

3. Cellular Principles and AMPS (1G)

4. 2G: Digital Radio - Voice Communications

5. Digital Cellular: Data Communications

6. Spectrum-Sharing Technologies: FDMA, TDMA, CDMA, OFDM

7. 3G Cellular: CDMA watch now (free)

8. 4G Mobile Cellular: LTE

9. 802.11 Wireless LANs - WiFi

10. Communication Satellites

Number 4 in Free Computer Networking Tutorials!

I was happy to see us ranked #4 in a list (behind MIT…) when I was searching a keyword on Google to see our page ranking:

http://education-portal.com/articles/10_Places_to_Find_Free_Computer_Networking_Tutorials_on_the_Web.html

and this description they did of us:

4. Teracom Training (teracomtraining.com)

Telecom Training offers several styles of online tutorial for free to the public. The video previews are introductions to longer courses (which are not free), but they boast highly accessible introductions to topics like telecom fundamentals and wireless networking. There are also short, one-page tutorial introductions to the concepts of networking and much longer, independent video tutorials on subjects like digitization, loops, softswitches and more. Registration is required, but free.

 

Well said!

Net Neutrality - Foolish, ignorant or disingenuous?

The popular press and news feeds have been full of stories about advocates of “net neutrality” testifying to congressional committees, lobbying the federal government and railing against the big ISPs over the past while.  Not much mention of arguments against net neutrality, though.  It’s hard to decide whether those arguing for net neutrality are foolish, ignorant or disingenuous.  
 
Let’s begin with some definitions. When someone demands “net neutrality”, they usually mean that the network must not discriminate between applications being carried in IP packets; that identical transmission characteristics (throughput, delay, number of errors, etc.) are to be provided for all packets regardless of what is being carried in them. They claim (correctly) that this is not the case at present, that the network service provider is “throttling” certain applications, “slowing down” or “shaping” traffic and that this, in their opinion, must stop. They sound the rallying cry “the net should be free”. 
 
What a load of hogwash.
But are these arguments foolish, ignorant or disingenuous?  Hard to decide: 

Read more

BOOT CAMP: Washington DC week of August 26. Carpe Diem!

telecommunications training BOOT CAMP
consists of two courses back-to-back to make a full week:
Telecom, Datacom and Networking for Non-Engineers (Course 101) and Understanding Voice over IP (Course 130).
You get a 15% discount on both courses, saving $350.
how to get the discount

 

This is an easy sell with management.
Your increased efficiency, productivity and informed decision-making will repay the cost of the training many times over. Plus, surveys show that managers prefer late August as the best time of year for training: vacations are over and new projects are not underway, so it’s an ideal time to slot in training.
 
Seize this opportunity to really get up to speed and fill in the gaps.
You’ll have an advantage over the competition with this career-enhancing knowledge of telecom, datacom, networking and VoIP. You’ll be a lot more effective and a lot less frustrated, understanding the ensemble of communications technologies, the jargon, buzzwords and how it all works together. register now

 

Free Telecom 101 Textbook!

Course 101: Telecom, Datacom and Networking for Non-Engineers is our “core training” - an intensive three-day course designed for non-engineering professionals, to get you up to speed on virtually all aspects of telecom, datacom and networking, from fundamentals and jargon to the latest technologies. The content, its order, timing and pacing have been tuned and refined over the course of sixteen years – and we constantly update it.

Special!

Attend Course 101 in Santa Clara June 1-3 and get a Telecom 101 textbook free!
Act now, as this is a once-only offer that will not be repeated this season.
 
Thousands of people from organizations including Cisco, Intel and Microsoft, the CIA, IRS, FAA, and FBI, all branches of US Armed Forces, Verizon, AT&T, TELUS and Qwest, Wells Fargo, Bank of America, TD Bank, Oneida Tableware, the Portland Trailblazers and hundreds of others who needed to be more effective in understanding and dealing with telecom and networking technology have benefited from this course.
 
Our goal is to bust the buzzwords, demystify the jargon and instill structured understanding… in plain English. Register today! You will receive your free textbook at the course. This is in addition to the 384-page course materials.
 

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