Absorption and Reflection in the Microwave and in Wireless LANs

Technical | Posted by Tom Carpenter
Nov 21 2009

I don’t know about you, but I like popcorn with a great movie. Of course, today we can get freshly popped popcorn in under four minutes thanks to the power of the microwave. Microwave ovens use the 2.4 GHz ISM frequency range (some use it all and some use just a portion) to pop that [...]

RF Wavelength Calculations for Wireless Networks

IT Theory | Posted by Tom Carpenter
Nov 21 2009

The wavelength of a RF wave is calculated as the distance between two adjacent identical points on the wave. The wavelength is frequently measured as the distance from one crest of the wave to the next.
The wavelength is an important factor in wireless networking. The wavelength dictates the optimum size of the receiving antenna and [...]

How to Configure DirectAccess for Windows 7 and Server 2008 R2

News, Technical | Posted by Tom Carpenter
Nov 06 2009

DirectAccess is one of the most touted new features in Windows 7. Sadly, it’s not really a Windows 7 feature alone. You must deploy Windows Server 2008 R2 in order to take advantage of the DirectAccess feature.

Hyper-V: How to Upgrade from Hyper-V to Hyper-V R2

Technical | Posted by Tom Carpenter
Oct 20 2009

Microsoft has published an excellent overview of the upgrade process used to move from Hyper-V RTM to Hyper-V R2 (Hyper-V RTM is the final release of the original Hyper-V as opposed to the beta).

Hyper-V: How to Run Hyper-V on a Laptop

Technical | Posted by Tom Carpenter
Oct 20 2009

Running Hyper-V on a laptop computer provides several advantages. You can use it for testing, training and development. But how do you know if Hyper-V will run on your laptop?

What does it mean for a certification book to be “official”?

News, Professional Development, Technical | Posted by Tom Carpenter
Oct 01 2009

I’ve had dozens of people email me to ask what it means now that McGraw-Hill is no longer the publisher of the Official CWNP study guides (CWNA, CWSP, CWTS, etc.). I decided to answer this question in a blog post. This way I can just refer the new emails to the post. Here’s the basic [...]

SQL Server 2008 Book Title Change

News, Professional Development | Posted by Tom Carpenter
Sep 25 2009

OK. We’ve decided to change the title of my upcoming SQL Server 2008 book. Instead of DBA’s Guide to SQL Server 2008, we’re calling it Real World SQL Server 2008 Database Administration: Skills and Knowledge for MCITP Certification and Beyond.
The reason for the title change is simple. We are covering the objectives for 70-432 and [...]

Spotting scams, like the Union Workers Credit Services scam

News | Posted by Tom Carpenter
Sep 08 2009

It’s really no wonder senior citizens are afraid of the Internet. Maybe we all should be. Have you noticed just how many scam artists are working the Net?

Windows 7 FTP Server

Technical | Posted by Tom Carpenter
Aug 21 2009

Can Windows 7 act as an FTP server without any third-party utilities? You bet it can. It’s actually part of the Internet Information Services feature that can be installed after the normal Windows 7 installation is complete.

Information > Business > Technology – Tom Carpenter’s IT Philosophy

IT Theory | Posted by Tom Carpenter
Jul 27 2009

I want to answer a question I receive a lot in this post. The question is this: Why do you write about so many different technologies?