Links and Networking

Doing a project on Networking. I need an interesting fact /statistic/proposition about an product of fashion (e.g. chanel bag, prada shoe…etc) and i need to find out about how its distributed/networked from country to country?? (e.g. how many hand this garment has to go through before its on the rail/hands of a buyer)

struggling so much where to find this info? videos? books? web resources? HELP

Our latest interactive infographic looks at which

The Network Link is the Connection…

The Network Traffic is the load on the Connect…. how many packets are traveling on it.

Hey,
My CS teacher asked me to find a few lectures on Computer Networks like Peer-to-peer, Client/Server modal, hybrid etc. Anything. So can anyone give me a few links to lectures that aren’t TOO complex. I’m in the 11th grade. And no, this is NOT a homework.

Can you send me 3-5 links to video lectures. If you can find more, it’s even better! Thanks in advance for your support.
Need video lectures, the teacher will show everyone on a laptop, so written is not an option :/ And I’m the only one who is supposed to bring some lectures. That’s because I know more about computers than the rest of the class. Of course, I’ve found some too but you can help as well.

Are you against reading…

Those are all basic concepts I dont think you can call those lectures…

You can find lectures on Protocols, practices even software…

I truly doubt your teacher going to look at ever lecture every student brings in…

There’s nothing complex about: Peer-to-peer, Client/Server model, hybrid etc.

And most lectures or "Webinars" you must sign up for….
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Well buddy your best bet is to video cap some webinar videos as like i said lectures on that will be covered in the basis… and lectured in webinars, as if i sign up for one and send it to you, you will need an account as well… try looking for some on torrents too.

Good Lucky

Help me decide which offers better computer networking switches. Ours is a startup company and looking to enhance IT infrastructure.

Since you specified networking I’ll assume you mean ethernet and would say Cisco. If you are doing fibre channel then I’d say Brocade.

Brocade is a storage switch company. Cisco is an ethernet company. I’ve used products from both

I have also been pleased with Foundry.

I am setting up a network with about 10 ports needed for devices. A few of those ports are for IP phones, and so they need the POE feature on the switch, which is power-over-ethernet.

I am using a simple cable router which will be providing the internet for the network.

Here are my questions. Are all switches able to route internet traffic from the router to the devices plugged into its ports? Do I just plug the cable router ethernet output into one of the switch ports, and the rest of the devices into the other ports, and the switch will know how to route the traffic?

I know how to setup static IP addresses for the devices to have, so there are no conflicts, I just wasn’t sure if I need to be looking for a special switch when I am having an internet router involved in the mix. I wasn’t sure if there were switches that had a special port input for feeding the network internet, or if all switches can handle a router input.

Thanks
Great, Thank You JoelKatz.

Now I know that I can just look for any switch that has the number of ports I need and POE.

It sounds like you won’t be doing anything complicated with the switch like setting up vlans though if you’re going to have ip phones they really should be on their own vlan so one vlan for data, one for voice, one for management just as an example.

Once you do that on the switch, you need to set up qos so that voice traffic gets priority. There ARE switches that are capable if routing called layer 3 switches and are quite common though they are usually used at the distribution and core layers of the network and so usually don’t have ip phones attached but I wanted to let you know that there are definitely switches that route. Hope that helps!

If a company is using multiple switches, just because it’s easy to just place switches in a room, rather than to wire cables from the wall-outlets to a switch, how will it affect the network?

It’s the difference between direct cabling to the wall-outlets and switching from the server to multiple switches to the end-computer.

direct cabling:
server => switch => wall-outlet => computer

multiple switches:
server => switch => switch => switch => computer

Will the multiple switches really decrease the performance on the network?

In your example, you only have one computer networked through a series of switches connected to a server. Of course, this kind of setup will never be as efficient as a straight link between the nodes, i.e. server<->switch<->computer, but it will be pretty close; this is mostly dependent on the quality of the hardware in use.

Once we get into situations where multiple computers are connected to each of the switches, then performance will be severely impacted. Not only will the switch have to handle the local traffic, but it will also have to "pass on" the trunk traffic. The trunk of each of the switches is the bottleneck. This is why enterprise networks mostly use Gigabit trunks (for main switch->child switch), and try to minimize (or eliminate) the daisy-chained switch example.

How do I check and see if the correct signals are communicating between my DCE and DTE on a SCADA network. I’m talking about the ring, RTS, CTS, DTR, ect…. I would like to view each one. Is there a software program or a tool? I know the obvious thing is to check each end to see if they register each other, but I’d like to disect the network link a little. Thanks.

The web page at:
http://www.piclist.com/techref/io/serial/rs232.htm has a few RS232 monitor programs for PC’s (look under "RS232 Monitor Programs" and some information on cables to attach to those signals.

I’ve always just used an oscilloscope. A digital with triggering does a fine job of showing you want is actually going on. I’m not sure if a meter would be useful if the lines are change state quickly, and an analog scope is useless if the data isn’t repeating very consistently and often.

Here’s the example, a single server with 2 NIC with a single virtual IP connected to 2 switches A and B. From A and B both will be interconnected to another 2 switches C and D. From C and D to a single switch and from that single switch to a PC.

Is this possible in a networking environment?

Yes, it’s possible. I generally recommend using OSPF or RIP routing with VLAN trunking or a routing switch, but there are a lot of other ways to do it.

Spanning tree is another way. If you’re willing to make sure your single switch supports spanning tree and you’re willing to bridge the two NICs in the server, it will all ‘just work’. However, if you’re not careful, you may wind up with awful traffic patterns. (For example, if another device connected to switch C needs to talk to another device on switch D, that may wind up going through the server!)

Where do you want the intelligence to be? Putting it in the single PC is the simplest solution. But if your implicit assumption is that dozens of PCs will all be able to access the server, then that’s not going to work for you.

The single switch can also make the decision if it’s a routing switch. If you use OSPF and put switches C and D in totally separate networks, that works too. In that case, you assign the virtual IP to a loopback interface. The server will need IP addresses for each NIC too, so if you have an IP address shortage, that might rule out this solution.

But the short answer is, yes, it’s possible. However, these solutions have enough complexity that they should be designed, implemented, and managed by people who have familiarity with IP failover and routing. There are many more ways to do it wrong than to do it right.

If you want to email me some more details, like expected traffic levels, budget, any hardware you already have and plan to use, whether the is Internet or private, whether you have other equipment on those switches or all this is for one server, server OS, any specific requirements on things like failover time, and so on, I’ll gladly give you a free consultation. If you’re concerned about privacy or anything like that, email me and I’ll provide some references so you can see I’m not just some guy.

Does anyone have any knowledge of what kind of job you can get with just a computer networking diploma from Ashworth College online?

Most online college degrees aren’t worth a whole lot – especially if you don’t have any experience to back it up.

Unfortunately they don’t bother telling you that while they are taking your money.

Try checking around temp agencies, and see if you can find something entry-level to bolster your education.

The good thing about the degree is that it can get your foot in the door of some jobs that wouldn’t even consider you otherwise (even if you were actually the best candidate).

(edit: the A+ cert is a good idea – and while it is possible to find a job making 65K right out of the gate, they aren’t exactly easy to find)

our company is interested to promoting Textiles and Garments Materials through our local print advert newsletters, online marketing networks and related links.
we should be grateful, if you would help us with necessary details and related data on this.
please feel free to ask further question, i will be glad you did.
Do you have information on this, or know any body that knows links of textiles and and garment manufacturer/ suppliers that we can start with from Nigeria?
In case you wish to mail us: inquiry@valuehandlers.com

You can check out this website for details about textile manufacturers and dealers in India.

http://www.list-of-companies.org/India/Textiles_Leather_Products/