Wireless Networking and WiFi

There is no easy answer: It depends. If you are worried about the safety of your information, do not type in sensitive information (such as credit card numbers, bank passwords, etc.) on an unsecured network. Unsecured networks are the ones that do not require a password, and anyone can get access to them. Most secure wireless networks feature some type of encryption, which makes it harder for hackers to get hold of your information. Currently, the best encryption is WPA2. You can check the type of encryption you are using by going into your connection properties. Upgrading to WPA2 may require a new router or wireless adapter. Keep in mind that just because you are using a secure network with WPA2 encryption at home doesn't mean everyone else is--try not to enter private information on public networks. No wireless network is completely safe, but the best ones are pretty close. Also, if your are concerned about safety and privacy, you should purchase a good security suite to prevent hackers from gainng access to your computer--and your information.

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Yes. Wireless N routers are backward-compatible with wireless G cards. You will not get the performance benefits of N though.

If a wireless adapter is attached to it, then it should. However, many desktop computers will not accept wireless internet without the adapter, simply due to the point that it is somewhat unnecessary as a desktop is not easily portable.

c) Authentication: It ensures that
communication from one node to other is
genuine. Only legitimate users can access
the system and services. Two used
systems are 'open system' and 'shared
key'.
(d) Availability: Availability ensures the service
offered by node will be available to its users
when expected, in spite of attacks. Also
only legitimate users can access data
anytime.

It depends on the airliner, the route, and the amount of time in the air. For transatlantic flights, or over sea flights, there usually is though you would have to pay. I know Delta Airlines has WiFi on long flights, and British Airways, and I am sure other airliners do as well.

If you know the airliner you are flying with, you can go to there website and look it up there, or e-mail the airliner. You would need to pay for the WiFi and, of coarse, need to have your own laptop with you on board the plane.

Internet hacking means accessing a secure computer system by disabling or bypassing the security.Some hackers will steal data or destroy data, or use the system to hide their tracks as they hack into a different system.Some just do it for fun, and might leave little messages to let someone know they've been hacked, but don't actually do anything bad (unfortunately for them it's still illegal).

Whether or not a network cable is connected to your computer.

To buy a Netgear DG834G wireless router, one should go to an electronics store, office supply store, or even a big box store. One can also find deals through online retailers.

You have many options. The newest cable standard is DOCSIS 3.0, which supports speeds in excess of 100Mbps by using multiple bonded channels. The Motorola Surfboard line is a proven performer. I haven't personally used any of their combo units, but currently use a Motorola SB6120 DOCSIS 3.0 standalone cable modem.

yes

A wireless picture frame allows the picture frame to constantly change pictures without it being hooked up to anything. It's kind of like a slideshow except in a picture frame.

The wireless router is arguably the most important piece of computer equipment in your home (and even when traveling), since it connects the rest of your gadgets to one another and the Internet. It's true that dual-band (5Ghz and 2.4Ghz) wireless routers give you the most options by supporting virtually any wireless client/adapter on the market. However, single-band (2.4Ghz) routers will do just fine if you don't use them in an area saturated with Wi-Fi signals. And if you still have a Wireless-G (802.11g) router at home, it's definitely time to upgrade to a Wireless-N router or access point. Wireless-N routers are now affordable and offer much better coverage as well as throughput speed, capable of streaming HD content.

Almost any USB wireless adapter, and depending on model you can use also PCI mini cards.

no

I believe that the cost of a belkin n wireless router would depend on the model and store that you get it from. Different stores carry the same product for a different price. Overall, the router can range anywhere from $35-$100+.

Because a wireless network is not specific to your home computers, you must secure the network so that other people cannot access your wireless connection. Without security, anyone driving by with a laptop or Ipod could access your internet connection and download items, or even access you personal information. Wireless security puts a password on your internet connection so that only the people you want using your internet will be able to access it.

Since I am familiar with linksys router I will use that

If it is your router you are connecting to, do the following to get the password:

Open up your web browser and enter 192.168.1.1 into the address bar. A screen should pop up asking you for a user name and password. Leave the username field empty and enter "admin" for the password, then hit enter.

You should then see a list of tabs on the top pf the screen, click on the one that says "wireless". Underneath you should see a tab that says "wireless security" click on that. If you are using WPA/WPA2, look for WPA preshared key. If you are using WEP then look for paraphrase or key 1-4 and that will be the password to connect to the wireless router

If you are trying to connect to a router that is not yours then you will need to ask the person whos router it is you are trying to connect to.

NOTE: if it is a wireless network owned by a business and it is protected most likely they will not give you the password unless you are working for them.

The modem and wireless router are out of sync with each other (DHCP CLIENT) isn't connecting. This is a simple fix. Unplug the power to both devices, plug the modem back in first, and plug the router back in AFTER the modem is fully booted back up.

It isn't a question of advantages and disadvantages; a protocol is an agreed-upon set of rules. These rules are designed to allow (in the case of networks) an agreed-upon framework for communication of nodes within a network.

These rules are worked on by committees, representing users and companies world-wide.

The most common reason is drivers. Make sure that drivers which are trying to install are compatible with your system. Try downloading the last release of drivers from the card manufacture website.

Yes and no. It all depends on where you are.

Many hotels, restaurants, libraries and other public places provide free wifi internet service for patrons. In those places you may get free internet. Although it should be noted that many of these places require you to make a purchase before you are allowed on the network.

As far as your home goes, yes you will need to pay for internet service just as you would with a desktop computer. You may want to use a wireless router to make that internet connection available wirelessly throughout your house. Indeed you may find that a neighbor has a wireless router which you can connect to from your house. Connecting to it may or may not be legal in your area, and certainly is not ethical.

True

It depends on the parc. Some have wifi only in the public areas, whereas others have it everywhere, including all the villas. In some parcs it's free, in others you pay by the hour, day, part or full week. Check the entry for the parc you're interested in on CenterParcs website, as full details, including charges if appropriate, appear there. As a guide, we're going to Het Heijderbos in April 2011 and the charge for a week's wifi access, which is available throughout the parc, is around 25 euros.

An infrared transceiver, also called an IrDA (Infrared Data Association) transceiver or an IR transceiver, provides an infrared port for wireless communication.

Microwave links offer high speed data transfer and also require line of sight between the transponders.

Additionally, satellite receivers demand a clear path to the satellite itself although cloud cover and other atmospheric conditions mean that a line of visible sight is not required.