Airtel 3G Dongle Data Card Customer Care Number Toll Free Number:

Airtel 3G Dongle Data Card Customer Care Number Toll Free Number:

Airtel 3g Data Card customer generally facing problem with Airtel 3g Data Card concerning slow connection speed, Wrong billing, frequent disconnection. So you essential to complain to Airtel 3g Data Card customer care immediately concerning your problem, Below we provide the all particulars of Airtel 3g Data Card Helpdesk customer care number.Airtel 3g data cards in postpaid and prepaid customer care numbers and service toll free numbers are maintain below.

A 3G USB modem (dongle or data card) is device that permits you to wirelessly connect to internet using a GSM/CDMA network and delivers you the aptitude to surf the Internet on extremely high speeds.

Airtel 3G Data Card Toll free number: 18001030405

Airtel Customer Care Number: 1800-103-4444 (Toll-Free).

Airtel portability toll free number: 18001031111

Airtel 3G Technical Hotline (Customer Care) - 12118

Contact Airtel Customer Care Executive: Dial 121 followed by 9.

What is the after sales service available for airtel 3G USB modems

Each customer for query, complain or support can contact toll free number 18001030405

What are the types of airtel 3G USB modems available? 

With the launch of 3G, airtel has recently launched 2 types of airtel 3G USB modems in the marketplace. These are a) 3.6 Mbps & b) 7.2 Mbps For additional information on them & specifications please refer to the division types of airtel 3G USB Dongole /modems.airtel/Huawei customer service support post deals for all airtel 3G USB modems sold.

Airtel 3G Data Card Customer Care Numbers in India:

Airtel 3G Data Card Customer Care Number DELHI 9871427070
Airtel 3G Data Card Customer Care Number KARNATAKA / BANGALORE 9845907070
Airtel 3G Data Card Customer Care Number ANDHRA PRADESH / HYDERABAD 9866007070
Airtel 3G Data Card Customer Care Number MUMBAI 9892307070
Airtel 3G Data Card Customer Care Number PUNJAB 9872007070
Airtel 3G Data Card Customer Care Number CHENNAI 9840007070
Airtel 3G Data Card Customer Care Number KOLKATA 9831717070
Airtel 3G Data Card Customer Care Number MAHARASHTRA / PUNE & GOA 9890107070
Airtel 3G Data Card Customer Care Number GUJARAT 9898547070
Airtel 3G Data Card Customer Care Number TAMIL NADU 9894407070
Airtel 3G Data Card Customer Care Number KERALA 9895377070
Airtel 3G Data Card Customer Care Number UP WEST 9897137070
Airtel 3G Data Card Customer Care Number MADHYA PRADESH 9893327070
Airtel 3G Data Card Customer Care Number HARYANA 9896407070
Airtel 3G Data Card Customer Care Number HIMACHAL PRADESH 9816107070
Airtel 3G Data Card Customer Care Number RAJASTHAN 9829207070

Airtel 3G Data Card Customer Care Email Address For Complain Online:adcsupport@airtelindia.com

Airtel Data Card HelpLine Number:  Call to 7070 from your Airtel handset.

Connecting to the Internet - Dialup connection, Network connection, IP addressing, Sharing an Internet connection

Connecting to the Internet

The process used to connect to the Internet relies on the connection configuration of a PC using either a dialup or network to connect. After the connection is made, the process is the same and the same protocols are in use.

Dialup connection

Dial-up Networking has a built-in dialer that invokes the necessary commands to the modem to dial the modems of the service provider and make a connection whenever an application, such as a browser or an e-mail client, is opened. The speed of a dialup connection is typically between 28.8 Kbps and 56 Kbps.

Remember Dial-up networking uses PPP to send data packets over telephone lines. PPP picks up a packet that has been created by one of the other network protocols and which will be received by a remote PC running that same protocol. PPP is merely the intermediary that carries the data packet over the telephone line. If the packet begins the journey as a TCP/IP packet, it arrives at its destination as a TCP/IP packet.

An ISP typically assigns an IP address to PC though its NAS (network access services), or modem banks, and RADIUS (Remote Authentication Dial-In User Service) services, after a username and password combination is verified and the user is authenticated.

If a dialup connection will not connect, check the following areas:

l Remember Phone connection: Nearly all modems use sound to enable the user to track the action of the connection (handshake) as it is being made. The first of these sounds is the dial tone from the phone line. If the modem is not connecting and you do not hear a dial tone, there is a problem with the wall jack connection or the phone line itself. Chances are that you will get an error message to the effect of no dial tone anyway.

l Modem problems: If the modem cannot complete the handshake with the other end, the modem might be configured incorrectly in terms of its character length, start and stop bits, and speed.

l Protocols: Another common problem, especially for new modems, is that TCP/IP or other protocols have not been properly configured. Dialup connections typically require the PPP protocol. Verify that the protocols are enabled and that the proper bindings are set for the protocols.

l Remote response: The NAS you are attempting to connect to might be down or having problems. Call the ISP to check.

l Telephone company problems: If there is sufficient static or crosstalk on the telephone line, it can cause the modem to disconnect very soon after completing the connection or cause enough data retransmissions that the line appears exceptionally slow.

Network connection

If a PC connects to the Internet through its LAN, its primary (or default) gateway is the router on the LAN that is used to connect to the WAN (Internet). The only real differences between establishing a dialup connection and a network connection is that the network connection remains in place and does not require a reconnection each time access is desired, and the user does not need to be authenticated except for secure services, such as e-mail or VPN (virtual private network).

IP addressing

IP addresses are four sets of numbers separated by periods (dots). An IP address is 32 bits long with each of the four numbers 8 bits long. The highest possible IP address is 255.255.255.255, because the highest value that can be represented in 8 bits is 255. Each of the four numbers is called an octet, which means a set of 8, and are referred to as the first, second, third, and fourth octets. Sounds a little like a singing group--the Octets and their new hit "Home, Home on the Domain."

IP addresses can be assigned as a static IP address (a fixed PC location) or as a dynamically assigned IP address (changeable). A static IP address is permanently assigned to a node when it is added to the network. Static IP addresses work as long as the network doesn't move, the NIC card is not interchanged with other PCs, or the network is never reconfigured. If a network will be reconfigured, however, it should use dynamically assigned IP addresses. Each time the PC is booted, the Dynamic Host Configuration Protocol (DHCP) server assigns it an IP address to use for that session. All versions of Windows 9 x and Windows NT, and Windows 2000 have built-in DHCP clients.

Sharing an Internet connection

Internet Connection Sharing (ICS) is a feature included in Windows 98 SE and Windows 2000 Professional that allows home and small office users to share a single Internet connection. The type of connection isn't important, ICS assumes a network to be present and isn't fussy about the type of network or the media used.

ICS builds a type of LAN with one PC serving as the network gateway. The other PCs on the network use the gateway PC to connect to the Internet. The requirements are that each PC be connected to the gateway via a network connection and that a single modem, proxy server, DSL, ISDN, or other Internet connection line serves the entire network.

Installing and configuring a browser

Installing and configuring a browser

If you were to search the Web for "configuring a browser," and I did, you will find a long list of resources to help you configure a browser for everything from chat session tools, graphic tools, Telnet, and much more. Today's most popular browsers, Internet Explorer (www.microsoft.com), Netscape Navigator (http://home.netscape.com), and Opera (www.opera.com), are largely self-configuring.

However, there are some areas where the configuration of the browser can affect the PC on which it is loaded. Here are the ones you should know for the exam:

l Cached content: To speed up the time required to display a downloaded Web page, browsers store the page and its objects in a disk cache on the hard disk. Internet Explorer (IE) calls this Temporary Internet Files. When you ask to see the page again, it is supplied from the cache, which speeds up the display and reduces the amount of bandwidth required to support your PC.

By default the cache is emptied each time IE is started. However, you can change the caching settings so that the cache is never cleared, a page is never cached, or some setting in-between. One of the more important of the caching settings is the amount of the disk space you wish to assign to cache. If you have all the disk space in the world, then you can use more of the disk for caching, but if the PC is low on disk space, minimize the disk space used for Internet caching.

l History files: The History folder holds the addresses and links to sites you have visited on the Internet over a given time period. These links are displayed in the drop-down list of the Address line of the browser. Keeping a fewer number of days reduces the amount of disk space used for these links.

l Players and handlers: The latest releases of the most popular browsers include most of the players and handlers required for the majority of content on the Web. However, you may want to download customer players and handlers to display or playback the content on specific Web sites.

The popular players and handlers are Adobe Acrobat (used to read PDF [portable data format] files), Flash (used to play Macromedia Flash animations), and Windows Media Player, Apple QuickTime, and RealPlayer (all used to play back streaming audio, video, and multimedia).

Keeping your finger on the network pulse - IPConfig, PING, TRACERT

Keeping your finger on the network pulse

Windows 9 x and Windows 2000 include a number of network monitoring and diagnostics tools that are used to troubleshoot and isolate network problems that directly affect a single PC. Here are the ones you should know for the exams:

l IPConfig (IP Configuration): This command line utility displays the current configuration for a PC connected to a TCP/IP network.

l PING (Packet Internet Groper): This Internet utility is used to determine whether an IP address is online or reachable. Either an IP address or a domain name can be pinged over a network.

l TRACERT (Trace Route): This TCP/IP utility is used to determine the path in use between one network point and another and if any problems exist along that path.

Sharing print and file services

Sharing print and file services

After a PC is configured as a part of a network, the user can grant other users on the network access to folders, files, or devices on the PC. Some minor dangers exist in sharing files, such as unknowingly sharing a virus across the network or others using your disk to save large files that would fill up their disk. However, this is an excellent way to avoid printing or copying files onto a disk in order to share a file or to share the wealth of that nifty new color laser printer you bought for yourself.

To set up file and printer sharing on a PC, follow these steps:

1. Double-click the Networks icon on the Control Panel.

2. Click the File and Printer Sharing button.

3. Select (place a check in the box) the option or both options you wish to enable. Your choices are "I want to be able to give others access to my files" and "I want to be able to allow others to print on my printer(s)." Notice the careful wording in these options. Just because you enable the options doesn't mean that all of your files and printers are immediately available to the world. You still need to grant permission and set up passwords.

4. Click OK a couple of times to close the boxes and restart the PC.

Sharing files

At this point, the File and Printer Sharing services are loaded, but nothing is really shared.

To share files with other users on the network, use the following steps:

1. From the Windows Explorer, right-click any folder. Only folders can be shared. So, if you don't want to share all of the files in a folder, you'd better move the files you don't want to share to an unshared folder. Choose Sharing and complete the level of sharing and security you want for this folder. You may assign a password to read-only or to full-access levels of sharing.

2. Any share you create will appear on the Network Neighborhood under the PC's Computer Name, which is the name specified on the Identification tab of the Network properties window (the one opened from the Network icon on the Control Panel). If you want a more descriptive name, change it.

Sharing a printer

Here are the steps used to share a printer:

1. Open the Printers folder from either the Setting menu or the Control Panel.

2. Right-click the printer to be shared and choose Properties to display the properties window for the printer. Choose the Sharing tab.

3. On the Sharing tab, enter the share name of the printer and a password if you want to control who has access to the printer. Click OK.

4. The printer will not appear on the Network Neighborhood under the PC's name.

Instant Answer If you click the Network Neighborhood icon and no PCs are shown, check to see that you have enabled printer and file sharing and that other PCs on the network have also set up resources to be shared.

Configuring a PC (NIC) for a Network

Configuring a PC (NIC) for a Network

1. Click the Start ® Settings ® Control Panel.

2. From the Control Panel, double-click the Networks icon to open the Network window,

An alternative path to the Network window is right-clicking the Network Neighborhood icon and choosing Properties.

3. On the Configuration tab, double-click the adapter to open the Properties window for the NIC.

The Driver Type tab should indicate an Enhanced mode (32-bit and 16-bit) NDIS (Network Device Interface Specification) driver for the NIC. The other choices are for cards without 32-bit NDIS support or NICs requiring ODI (Open Data-Link Interface).

On the Bindings tab, you'll find a list of the protocols and services for which a binding is established. In most cases the bindings are preconfigured, but they can be modified. Binding is a network term for two protocols that perform different networking functions that have an active connection. If you are on an Ethernet network that has access to the Internet, your bindings will reflect your NIC card with a binding to TCP/IP protocols.

The contents of the Advanced tab vary by NIC and the characteristics of the network. The properties list may reflect the media and connector in use or it may be used to turn on a log file.

4. Click any Apply or OK buttons that appear.

You are asked for other network information, IP address, gateway, and DNS. The user or the network administrator should provide this information. The system will update its information database, and you may be asked to restart the system.

Modem facts you should know

Dialing up a network

Modems don't hold the vaulted position on the Core Hardware exam they have in the past, but expect to see questions on the exam about installing, configuring, and troubleshooting a modem, both internal and external.

Modem facts you should know

A modem (which is an acronym for modulator/demodulator) converts the digital data signal of the PC into the analogy data signal used on the plain old telephone system (POTS), which is also called the public telephone switched network (PTSN). Modems can be installed inside the PC in an expansion slot or attached to the PC externally through a serial or USB port.

You may hear or have heard of modems for other types of communications besides dialing into a network, such as an ISDN (Integrated Services Digital Network) modem or a DSL (Digital Subscriber Line) modem.

Modem types

The two general types of modems are the following:

l Standard modem: A standard modem can be an internal or external device. It can also be Plug and Play or legacy. Standard modems are operating system neutral and use generic device drivers.

l Windows modem: A Windows modem is an internal Plug and Play device that requires a device driver provided by the Windows operating system to function properly.

The best way to differentiate one type of modem from another is by reading the documentation that came with the system or visiting the manufacturer's Web site.

Internal versus external modems

An internal modem is installed like any other expansion card--into a compatible expansion slot. Modern modems do not require physical configuration, but some have DIP switches or jumpers to be set. Most of the configuration of the modem is done through the operating system.

Modems use serial communications modes. Be sure to read up on flow control and full- and half-duplexing.