Need help with my computer networking class?
Two hundred workstations and four servers on a single LAN are connected by a number of switches. You’re seeing an excessive number of broadcast packets throughout the LAN and want to decrease the effect this broadcast traffic has on your network. What steps must you take to achieve this goal?
Need help with this computer networking question. Please help!?
Consider a broadcast channel of rate R bps with M nodes. What are the desirable characteristics of an ideal multiple access protocol (MAC)? Using these characteristics to evaluate the following two MAC. a). TDMA: time division multiple access b). Token passing
Hi I need help with this computer networking problem?
Calculate the Estimated Round Trip Time (RTT) when three ACKs come back to the TCP sender after 40ms, 56ms, and 60 ms respectively. (The oldest RTT is 40ms and the newest RTT is 60ms). Assume weight for the latest RTT be 0.125.
How do I get an entry level job in computer networking?
Sadly it's a real Catch-22 when it comes to getting a job in this industry. Companies won't hire you because you don't have any real world experience and you can't get any real world experience because you can't get hired.Basically it all comes down to who you know. I recommend starting to heavily frequent places like LinkedIn and even here and start to post frequently, get your name out there and most importantly, make sure the information you post is accurate! If you post inaccurate information, your name will be blacklisted by any potential employers. Also, make sure that you have your Facebook settings locked down. Your potential employers are going to Google search you and if you show up with drunken pictures and partying, they will not hire you. So do yourself a favor and lock down your Facebook. If you need help with that, here is how: Learn How To Lock Down Your Facebook Security and Privacy SettingsIf you are currently working, especially in a corporate environment, see if you can get some shadowing time with the Network Engineer for the company you work at. That is what I did. I expressed interest and it caught the ear of someone hire up. They considered it a benefit because with very little work and cost on their part, they were able to get extra bandwidth when needed, without having to pay out for a brand new person in the company. The benefit for me is that I am now getting real world experience.Finally, see if you can get an internship or do some volunteer work with any local companies. The school district might be a good place to look. Anything where you can get some real world experience. It might suck not getting paid, but the payoff in the end is going to be good.
What are the devices/materials needed in computer networking?
All computer networking really is - is interconnecting two computers together. Depending on their physical locations, this can be done in several ways. First of all, both computers will need an ethernet card / modem to use to communicate (mouth). Then they will need a medium to communicate over ethernet card (mouth) --> ethernet cable (phone) --> ethernet card (ear) or if they have modems: modem (mouth) --> phone line (phone) --> modem (ear). If the computers are in different countries, you will need an internet connection, which on your end would look like this: ethernet card --> ethernet cable --> cable modem / dsl modem --> ISP --> internet... But to answer your question, you need a computer, a communications device (ethernet card/wireless card/modem) a communications medium (ethernet cable - for ethernet card/radio signal - for wireless card/phone line - for modem) and a computer with a communications medium attached to a communication device on the other end.
Does computer networking need computer programming?
the day you decide to talk to computer, you need computer programming, that's the language it understands..every thing you see on your computer is coded, the clock, the OS, the icons, the browser... just everything...From my perspective, once you decide to understand technology, there are two things, first, that you study and get all logics and then create some great logic of your own... and for that we use something called pseudo code, which is neither a programming language nor english, it's just structured blue print of your logicssecond, comes experimenting what you think... that is, now you need to put some actual code like C, JAVA, Python so that computer knows how memory is to be occupied or how packets are to be transmitted, what's the delay between two packets (in networks)...I think that's why it is called Computer Science, that first you think and create something and then prove it by experimentAnd for networks, mainly logics would help and to prove it you need to codethere are many pre existing things that will help you though, and I'd say firstly it's all logics and maths and later on to implement it, you will have to write a code to test that your logics actually
Do web developers need to understand computer networking concepts?
As with most advanced software concepts, it probably won’t come into play until you run into a bug that’s notoriously hard to track down, at which point a solid understanding of the underlying concepts will cut down the time, energy, and ultimate frustration you waste on the bug by an order of magnitude. So, no, it’s not required, but if you want to be a senior developer at some point and be able to genuinely solve problems that other people can’t solve, it’s very important. Luckily you can keep doing web development and learn networking slowly along the way in installments from a combination of, say, online classes and personal projects in lower-level networking.
How do I start learning about computer networks?
You can of course go to school for networking, but I'm assuming this question is what you can do on your own to better your knowledge. Much as with other technical skills like programming, photography, or cooking, the best way to learn is by doing! I would suggest setting up a network and start making it do different things and once you've figured out how to do those things, move on to larger scale projects. For example, do you know how to setup your home network from scratch via the web interface? If so, what about from the command line? What about setting up a port forward manually so you can see something on your computer at home away from home. Attach some storage to your network somehow. Break your network into two parts with different IP schemes and bridge them, networks share a printer, host your own web domain, setup VPN to your home network so you can... There are limitless opportunites to experiment. Each time you try something new it will be hard and you'll probably break the entire network in the process, but that's where the learning is because when you figure out WHY it broke and HOW to fix it, you've just leveled up!Beyond experimentation with topology there are some very specific things you need to learn in order to make sense of how networks operate and for those I would seek out both books and ask questions on networking forums. Learn how IP address work. Why are they assigned the way they are? Who/what assigns them?Learn and understand why these are all VERY differnet IPs: 192.168.1.1, 255.255.255.0, 127.0.0.1, 10.0.0.1, 8.8.8.8. Try to understand subnets and CIDR notation. What's the difference between a /32 network and a /24, etc.Lastly, and probably most importantly is to learn and be extremely comfortable using linux. the highest end routers are mostly configured using cisco command nomenclature on some form of linux hardware. Use the command line as much as possible!Ultimately there are as many ways to learn about networking as there are people who use networks. Follow your interest and never be afraid to ask why or how. :)
Do I need to study computer networking before internet programming?
Do you need to? No. Should you? Yes.Programming any application that operates across a network involves assumptions about how the network will behave. When you’re dealing with the internet the behavior of the network is far from guaranteed due to the sheer diversity of devices, clients and connections. Having a basic understanding of how the lower levels work, and more importantly how they behave when they don’t work, will let you build a far more robust application.At a minimum you need to understand how the system behaves when the network is slow or intermittent.