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11
votes
4answers
2k views

Electricity speed and data transfer

I've read in some places that electricity is very slow. Then how can Internet traffic in copper wires be so fast? I think I have a great gap of knowledge about the low-level data transfer structure. ...
5
votes
2answers
5k views

Can I create an Infrastructure access point from built-in WiFi (as opposed to Ad-Hoc) on Windows XP?

I want to use my Windows XP laptop as an access point. What I am trying to achieve is possible under Windows 7 with a myriad of utilities, but the wireless driver stack was different before Windows ...
3
votes
1answer
2k views

Is 802.3az / EEE important for a network switch for structured cabling?

Please note: I am not asking for specific product reccomendations. I am in the process of expanding wired ethernet cabling in a building during a remodel. I currently have about 20 runs of CAT6a to ...
1
vote
2answers
312 views

Building a Cloud on a budget? open source?

This is mainly for me to dream what would be if I could get together enough hardware. So the question is how to build a cloud on a budget and whether open source is stable enough. I found ...
0
votes
2answers
2k views

Connect computers in a network, via hub or through another computer?

I'm using an internet hub to connect broadband and computers. When setting up a home network (for some simple file sharing), I can choose "this computer connect to internet through another computer" ...
0
votes
1answer
205 views

How To check user configured with root privileges

Suppose root user created a user say user1, and made entries in /etc/sudoers file for "user1" as "user1 ALL=(ALL) ALL". How can user1 check that he has privileges identical to root user ? Does it ...
0
votes
0answers
22 views

How do I find out which user terminated my OpenStack Instance?

I share an OpenStack project with several other developers. Someone recently terminated one of the instances I was working on without making a snapshot first. How can I find out which user did ...
0
votes
0answers
903 views

BOOTP packets blocked while DHCP packkets are accepted

We have an IP system that makes use of BOOTP for updating our embedded devices over IP. The main app uses DHCP for its IP configuration. Our devices are usually on the network of the customer, the ...
0
votes
1answer
2k views

difference between ad hoc and infrastructure wireless modes?

While creating wireless connection I get option to choose between ad hoc and infrastructure mode. Can someone explain the difference between them and which one should I use for my personal network?...
0
votes
1answer
282 views

Creating a Logical network diagram

Im a student and I have been assigned the task of creating a logical network diagram for the following scenario There are 2 buildings, the first is the head office and the second is the branch. The ...