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Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School A great question I was asked in class was: “If Neighbor Discovery processes have replaced ARP in ICMPv6, how do you look at the equivalent of the ARP cache?” Great […]
Neighbor Discovery (ND) Table in IPv6 Windows, Linux and MAC Machines Read More »
This is a common question I get asked at many of my classes. The short answer is that I really can’t keep track of it all – I don’t think anyone can. But here is how I track what I can: First – I often read the technical sections of the following news sites: cnn.com
How do you stay on top of technical news and the Internet? Read More »
This is a great question. First, you have probably learned that you can use Ubuntu’s APPLICATIONS > INTERNET> TERMINAL SERVER CLIENT program to remote desktop to Windows machines. Going the other way is a bit more challenging. You need to have two things in place: 1. You must enable remote desktop connections in Ubuntu. You
How do you Remote Desktop from Windows to Ubuntu? Read More »
Ah – a common problem. Wireshark has installed and does not see any of the computer interfaces so you can do captures. The answer to your problem is simple! You need to give the Wireshark application root priviledges. Ubuntu Solution In Ubuntu, the best way to fix this (and any other application that needs root
How do I get Linux/Ubuntu to show interfaces in Wireshark? Read More »
The answer is easy – go to https://netscionline.com Registration is completely free – and you get access to the Reference Library and any of our free courses. Other courses are paid via paypal, or your company will provide you access information. To register for any of our courses, click here to find a course in the
How do I get to the Online School? Read More »
The answer is – possibly – yes, unless you have explicit permission to access the network (such as a free WiFi hotspot at the airport or town square). Many states have criminal laws that prohibit accessing any computer or network without the owner’s permission. For example, in Texas, the statute is Penal Code section 33.02,
Could I be breaking the law if I connect to an unsecured wireless network? Read More »
Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School IPv6 introduces a 128 bit IP address for both source and destination address fields. This means that, in total, there are 2^128 addresses possible with that many bits.
This is a great question – and great news – there is an app for that!! Well, at least there is a web site. Based on millions of recent test results from Speedtest.net, there is an index that compares and ranks consumer download speeds around the globe. Also plotted is the value is the rolling
How fast is the Internet for the average user worldwide? Read More »
The National Telecommunications and Information Administration (NTIA) has recently made a great web site available to all of us that maps and lists broadband service providers, by area. Simply go to this link: www.broadbandmap.gov The online broadband database apparently holds more than 25 million records detailing where service is available; technology used to provide service;
What Broadband services are offered in my area? Read More »
Two answers to this one: sort of, and absolutely. Sort of means you can go to these sites and select to deactivate your account. The problem is that while it is deactivated, all your information, history, friends lists, postings, tweets, etc. are all maintained. You can reactivate almost any time you want. Absolutely means actual
Can I erase my accounts on Facebook, Twitter, etc.? Read More »
Great question!As those of you who love this project, you know we have moved it around several times. We know this is a problem, and we apologize for that. The latest place for this project is here: https://netscionline.com/course/view.php?id=201 You will have to create a free user account to actually view the WIKI’s – but that only
What happened to the Internet and Telecom History? Read More »
You can find a list of our courses here! Click on any of the course names found on that page and you can view details on each courseYou can find a list of our learning services here. You can also find courses available at the Online School of Network Sciences here! Hope those links help.
Where is a list of your courses? Read More »
CellStream, Inc. Corporate Security Statement/Policy   PURPOSE CellStream, Inc. is committed to meeting the Security requirements of the Telecommunications Industry to insure security of our customer information, our students, and our co-workers. To that end, we have adopted the following security policies. OUR EMPLOYEES This policy applies to all employees of CellStream, Inc. (CSI) and
Do you have a Corporate Security Policy? Read More »
Great question and thanks for letting us advertise our services! We provide a number of consulting services, they include: Technology implementation analysis Business case development Competitive analysis Requirements/architecture definition Network design and support Wi-Fi Network Analysis RFP creation and response support Sales force training/enlightenment Solutions brainstorming White paper and collateral creation/review, and much more. Click
What consulting services does CellStream Provide? Read More »
TO: All Clients and Potential Clients FROM: Andrew Walding President & Founder CellStream Inc. — www.cellstream.com 9812 Zembriski Drive, Plano, TX 75025 866-659-1014 RE: Our Anti-Virus Policy LAST UPDATED: 01/04/2011 We make every effort to ensure files sent to our clients via e-mail, Internet, or disk
Do you have a Virus Protection Policy? Read More »
