Thursday, March 20, 2008

Dangers Of Illegal Computer Disposal

If your computer explode tomorrow, and it is on the repair, what would you do? Now there is a chance that after clicking against the wall in one of rabies, in the trash to throw in your garage. In addition to all the other non-recyclable waste, your household has this week the garbage bins, the men gather, it condenses into their trucks and dump trucks & 39; to a huge pile of waste. L & 39; huge pile of waste still be compressed, and then to an island where all the large batteries for your waste. This al & 39; air simple, right?

Sure, c & 39; is quite simply, to & 39; what & 39, a bird is on crunched title of your notebooks and dies d & 39 , an exhibition on & 39; acid, fled from the battery. Gasp! & Quot; Alright & quot;, you say you: I will " battery and burning in my garden, as in the trash. & Quot; Well, unless you want an explosion in your back yard, then not, you should not burn, everything old battery only because you know that c & 39; is wrong in the trash.

So fact that & 39; Can you hear about this product? & 39; What is it for all other parts of the & 39; computers, yet? Once you observe all tiny details that the computer & 39, and you will find that your computer can be resolved through the repair, but the little pieces to function perfectly in l & 39; D & 39; another computer, it appears as a large farm in the waste in the whole d & 39; one thing negligently toss in the trash. Not only would they pollute the environment & 39; what it is in the amount of waste that is your family, where the animals are in danger of innocents with & 39; improper disposal of your computer, But you have also lost hundreds of dollars d & 39; useful items on a computer can probably be restored somehow.

Aside fleeing d & 39; battery acid in a pile of waste, d & 39; other environmental concerns are of toner or ink & 39; printer, glass splinters from small lamps, & amp; 39; And sons and other metal parts brought l & 39; within each computer. Fortunately, there are companies that deal with the elimination & 39, or the adoption of computer science for your work much easier. If you need to bash your computer against the wall in one of rabies, it is sufficient to & 39; envelop and l & 39; to a computer available to the company, often free, even with your computer. If your computer no longer work, or simply care to invest in an updated version, then there are companies that you l & 39; send you paid for the parts that are still usable and redevelopment & l 39; computer to sell or give to a family with low incomes or in & 39; office once again works.

One might think: " Well, I know d & 39, a creation of the welfare that really my old computer. I will give my own & quot;. Not so fast, friend. Don d & 39; an old computer in an organization, which you that you really does not always so good. In many cases, & 39; computer no longer to work after a few months, and l & 39; organization could spend & 39; more money for the repair. It is poor rebuilding something if you & 39; n are not quite sure of its value. If you do not want the cash flow, some companies are using your old computer and the & 39; in the value of the other parties at a place of your choice.

The end of the line, c & 39; is only & 39, there are many things you can and should do with a computer, you are no longer your own. For the same reasons that you are with your children taught how recycling, you turn the lights, if you have a piece, and as you try to just the food that you are ready to eat at a table, buffet, you must transfer your PC or recycled. willian assunta



Bookmark it: del.icio.usdigg.comreddit.comnetvouz.comgoogle.comyahoo.comtechnorati.comfurl.netbloglines.comsocialdust.comma.gnolia.comnewsvine.comslashdot.orgsimpy.com

Friday, March 14, 2008

Cisco CCNA Certification Exam Tutorial: Variance And Unequal Cost Load Balancing

To pass the CCNA exam, you ve got to know how to work with IGRP and EIGRP unequal-cost load balancing. You may not see much IGRP in production networks anymore, but you ll see a lot of EIGRP, and part of fine-tuning your EIGRP network is making sure that all paths are in use while allowing for varying bandwidth rates.
Using the variance command is the easy part - it s getting the metric that s the hard part with IGRP. With EIGRP, you just look in the topology table and that s it. With IGRP, you ve got to run a debug to get the right metric.
The variance command is a multiplier when the value supplied with the variance command is multiplied by the lowest-cost metric, it must exceed the higher-cost metric in order for the higher-cost route to be added.
If that sounds complicated, it s not. It s one of those things that sounds difficult, but isn t. Trust me!
In this example, R1 has two paths to 172.23.0.0, but is currently using only one. By looking in the IP routing table, we ve seen that the lowest-cost metric for network 172.23.0.0 on R1 is 8576. This path goes through the 172.12.123.0 network. There is another valid path that uses the 172.12.13.0 network, but is not currently in use.
I 172.23.0.0/16 [100/8576] via 172.12.123.2, 00:00:53, Serial0
IGRP does not have a show" command that displays all valid routes to a destination, as does EIGRP. The command debug ip igrp transactions will show the current metric of the routes using the 512 KBPS route.
R1 debug ip igrp transactions
IGRP protocol debugging is on
19:17:51: IGRP: broadcasting request on Loopback0
19:17:51: IGRP: broadcasting request on Serial0
19:17:51: IGRP: broadcasting request on Serial1
19:17:51: IGRP: received update from 172.12.13.3 on Serial1
19:17:51: subnet 172.12.13.0, metric 23531 (neighbor 21531)
19:17:51: subnet 172.12.123.0, metric 23531 (neighbor 8476)
19:17:51: network 1.0.0.0, metric 24031 (neighbor 8976)
19:17:51: network 2.0.0.0, metric 22131 (neighbor 1600)
19:17:51: network 3.0.0.0, metric 22031 (neighbor 501)
19:17:51: network 172.23.0.0, metric 21631 (neighbor 1100)
R1(config) router igrp 1 R1(config-router) variance 3 R1 show ip route 172.23.0.0 Routing entry for 172.23.0.0/16 Known via "igrp 1", distance 100, metric 8576 Redistributing via igrp 1 Advertised by igrp 1 (self originated) Last update from 172.12.123.2 on Serial0, 00:00:01 ago
Routing Descriptor Blocks: * 172.12.13.3, from 172.12.13.3, 00:00:20 ago, via Serial1 Route metric is 21631, traffic share count is 1 Total delay is 21000 microseconds, minimum bandwidth is 512 Kbit Reliability 255/255, minimum MTU 1500 bytes Loading 1/255, Hops 0 172.12.123.3, from 172.12.123.3, 00:00:20 ago, via Serial0 Route metric is 8576, traffic share count is 3 Total delay is 21000 microseconds, minimum bandwidth is 1544 Kbit Reliability 255/255, minimum MTU 1500 bytes Loading 1/255, Hops 0 172.12.123.2, from 172.12.123.2, 00:00:01 ago, via Serial0 Route metric is 8576, traffic share count is 3 Total delay is 21000 microseconds, minimum bandwidth is 1544 Kbit Reliability 255/255, minimum MTU 1500 bytes Loading 1/255, Hops 0
The metric for 172.23.0.0 through the direct connection is 21631. A variance of 3 means that any route with a metric less than the best metric multiplied by the variance (in this case, 8576 x 3 = 25728) will be entered into the routing table. R1 now has three unequal-cost paths to 172.23.0.0 in its routing table, and load balancing will take place.
IGRP unequal-cost load balancing takes some practice, but as you can see, once you get the metric it s easy to work with. Just make sure you know how to get that metric!
Chris Bryant, CCIE 12933, is the owner of The Bryant Advantage (http://www.thebryantadvantage.com), home of free CCNA and CCNP tutorials, The Ultimate CCNA Study Package, Ultimate CCNP Study Packages, and CCNA CBT video training. Pass the CCNA exam , BSCI exam , and BCMSN exam with Chris Bryant, CCIE 12933!
For a copy of his FREE ebooks, How To Pass The CCNA and How To Pass The CCNP , visit the website and download your copies! You can now get a FREE CCNA and CCNP exam question every day with no email registration required. Get your CCNA study guide from The Bryant Advantage!



Bookmark it: del.icio.usdigg.comreddit.comnetvouz.comgoogle.comyahoo.comtechnorati.comfurl.netbloglines.comsocialdust.comma.gnolia.comnewsvine.comslashdot.orgsimpy.com

Search Engine Optimization Techniques

If you are learning how to optimize your website, you may have received a large amount of information from other webmasters. Some of the information they gave you may conflict with other things you ve read. In this article, we will provide general information about different aspects of SEO. If you are new to this subject, you may have heard about cloaking, and may wander if it is a good idea. Cloaking is a practice which is generally unacceptable. If you use it for spam keywords, you could get in trouble with the search engines and your site may become blacklisted.
Most SEO experts recommend using hyphens instead of underscores for naming your folders or files. Research shows that search engines consider hyphens to be spaces. In contrast, underscores will not be seen as spaces, and the words will be put together to generate one word. At the same time, you won t want to use more than 2 to 3 hyphens. It is best only to use them for words which must be separated. You may have also heard about a redirect. Most SEO experts agree that using the 301 redirect is best. In addition to this, you may be interested in using Flash for your website.
Most experts agree that it is best to avoid using Flash. Unlike Flash, search engines are very friendly to sites which are built in HTML. Virtually all search engines can spider HTML documents, but most are not familiar with Flash. If you want your website to be perfectly optimized, it is best to avoid designing it with a program which may not be friendly to all the search engines. It is possible for a Flash site to be spidered, but it will require you to install the Macromedia SDK kit. However, there are a number of other reasons why building a site in Flash is a bad idea. While Flash sites tend to be well designed, they are usually not user friendly. Making changes to the site will require you to use specialized software, which can be tedious. Unless you have to, it is best to avoid using Flash. Please feel free to reprint this article, just be sure that my signature file remains in tact and the link inside of it is clickable to the proper destination. To learn more about what Aaron Nimocks does visit his site at Sapphire Directory.



Bookmark it: del.icio.usdigg.comreddit.comnetvouz.comgoogle.comyahoo.comtechnorati.comfurl.netbloglines.comsocialdust.comma.gnolia.comnewsvine.comslashdot.orgsimpy.com

Wednesday, March 12, 2008

5 Tips for Buying a Laptop

5 Tips for Buying a Laptop
Buying a laptop is a major investment decision. As such it is not one that you should make lightly. Below are 5 tips that will help prepare you for making the best and most well informed decision when buying a laptop.
Tip 1 Size Matters
Buying a laptop is a matter that requires some thought. Consider the size and weight of the laptop. How often will you be carrying your laptop? Your answer will help determine which size and weight will best suit your needs. If you will be carrying your laptop frequently, a lighter model will be preferable.
The keyboard is another area to consider when buying a laptop. Why is the size of the keyboard important? A larger laptop will have a slightly larger keyboard area. But keep in mind that if you worry about your fingers or wrists taking on too much stress from typing on a keyboard that is too small, you may want this to be a main factor in your purchasing decision,
Tip 2 Choose Your Mouse
A laptop it will come with a built in touch pad, an alternative to the mouse, whereby the pad is controlled by the user s finger movement. For some people, this type of pad is uncomfortable and not easy to work with. Before purchasing a laptop, determine what mouse options are available. Test each one and determine which one best meets your needs.
Tip 3: Wireless Options
Today, when many people think laptop, they think wireless . No doubt people want to make sure that their laptop computer will be able to access the Internet with a wireless connection. Many try to account for this by ensuring that their laptop has potential upgrade options, such as room for an expandable PC card or a USB port. However, since so many laptop users are looking for wireless connections, many of today s laptops come pre-wired for wireless Internet. All you need to do is activate your wireless Internet service, and your laptop will take it from there. So depending on your needs, choose your laptop whether it is capable of expanding or if it is already configured for wireless Internet.
Tip 4 Check for Ports
Peripheral equipment will be connected to your laptop through USB ports. You will make your life much less complicated by ensuring that your laptop has adequate ports. Connecting equipment such as printers, scanners, and digital cameras will be much simpler if you have the ports readily available. If you are not sure, thoroughly read the specs for any laptop that you are considering purchasing.
Tip 5 Check Your Budget First
Finally, when buying a laptop, beware that you do not overspend. First create your budget and stick to it. When you think that you have found the laptop that you want, do not rush into it. Wait a day and check over your budget, requirements, and see if you are still as excited about the laptop in the morning, as you were when the sales clerk was showing off its specs. If you still feel that it is the laptop that you want to purchase, then go for it.
Rob Buenaventura invites you to Laptops n Notebooks 4 U , an information site focused on your laptop and notebooks needs. Find out why more and more people are replacing their desktop with a laptop or notebook computer! Before buying a laptop computer, consult http://www.laptops-n-notebooks-4-u.com/laptop-buying-guide.html to help you find the best laptop for you.



Bookmark it: del.icio.usdigg.comreddit.comnetvouz.comgoogle.comyahoo.comtechnorati.comfurl.netbloglines.comsocialdust.comma.gnolia.comnewsvine.comslashdot.orgsimpy.com