which of the following identifies broadband internet connections?

which of the following identifies broadband internet connections?

which of the following identifies broadband internet connections?

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Which of the following identifies broadband internet connections?

A) IP, Wi-Fi, FTTP
B) FTP, OSP, IP
C) OSP, cellular radio network, FTP
D) DSL, Wi-Fi, fixed wireless

Answer : (D)

 

DSL ( Digital Subscriber Line ), Wi-Fi ( wireless fidelity ) and fixed wireless identifies broadband internet connections.

Internet Service Provider (ISP) could be a company giving access to net. they provide varied services:

  • net Access
  • name registration
  • Dial-up access chartered line access

There exist many ways that to attach to the net. Following area unit these affiliation sorts available:

Dial-up affiliation, ISDN ( Integrated Services Digital Network ), DSL (Digital Subscriber Line), Cable TV net connections, Satellite net connections, Wireless net Connections.

which of the following identifies broadband internet connections?
which of the following identifies broadband internet connections?

Internet Service Provider (ISP) is a company offering access to internet. They offer various services:

1. Internet Access

2. Domain name registration

3. Dial-up access

4. Leased line access

Types of Broadband Connections

Digital Subscriber Line (DSL)

DSL is a wireline transmission technology that transmits data faster over traditional copper telephone lines already installed to homes and businesses. DSL-based broadband provides transmission speeds ranging from several hundred Kbps to millions of bits per second (Mbps). The availability and speed of your DSL service may depend on the distance from your home or business to the closest telephone company facility.

The following are types of DSL transmission technologies:

  • Asymmetrical Digital Subscriber Line (ADSL) – Used primarily by residential customers, such as Internet surfers, who receive a lot of data but do not send much. ADSL typically provides faster speed in the downstream direction than the upstream direction. ADSL allows faster downstream data transmission over the same line used to provide voice service, without disrupting regular telephone calls on that line.
  • Symmetrical Digital Subscriber Line (SDSL) – Used typically by businesses for services such as video conferencing, which need significant bandwidth both upstream and downstream.

Faster forms of DSL typically available to businesses include:

  • High data rate Digital Subscriber Line (HDSL); and
  • Very High data rate Digital Subscriber Line (VDSL).
which of the following identifies broadband internet connections?
which of the following identifies broadband internet connections?

Cable Modem

Cable modem service enables cable operators to provide broadband using the same coaxial cables that deliver pictures and sound to your TV set.

Most cable modems are external devices that have two connections: one to the cable wall outlet, the other to a computer. They provide transmission speeds of 1.5 Mbps or more.

Subscribers can access their cable modem service by simply turning on their computers, without dialing-up an ISP. You can still watch cable TV while using it. Transmission speeds vary depending on the type of cable modem, cable network, and traffic load. Speeds are comparable to DSL.

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Fiber

  • Fiber optic technology converts electrical signals carrying data to light and sends the light through transparent glass fibers about the diameter of a human hair. also Fiber transmits data at speeds far exceeding current DSL or cable modem speeds, typically by tens or even hundreds of Mbps.
  • The actual speed you experience will vary depending on a variety of factors, such as how close to your computer the service provider brings the fiber and how the service provider configures the service, including the amount of bandwidth used. The same fiber providing your broadband can also simultaneously deliver voice (VoIP) and video services, including video-on-demand.
  • Telecommunications providers sometimes offer fiber broadband in limited areas and have announced plans to expand their fiber networks and offer bundled voice, Internet access, and video services.
  • Variations of the technology run the fiber all the way to the customer’s home or business, to the curb outside, or to a location somewhere between the provider’s facilities and the customer.

Wireless

  • Wireless broadband connects a home or business to the Internet using a radio link between the customer’s location and the service provider’s facility. the Wireless broadband can be mobile or fixed.
  • and Wireless technologies using longer-range directional equipment provide broadband service in remote or sparsely populated areas where DSL or cable modem service would be costly to provide. Speeds are generally comparable to DSL and cable modem. An external antenna is usually required.
  • Wireless broadband Internet access services offered over fixed networks allow consumers to access the Internet from a fixed point while stationary and often require a direct line-of-sight between the wireless transmitter and receiver. These services have been offered using both licensed spectrum and unlicensed devices. For example, thousands of small Wireless Internet Services Providers (WISPs) provide such wireless broadband at speeds of around one Mbps using unlicensed devices, often in rural areas not served by cable or wireline broadband networks.
  • Wireless Local Area Networks (WLANs) provide wireless broadband access over shorter distances and are often used to extend the reach of a “last-mile” wireline or fixed wireless broadband connection within a home, building, or campus environment. Wi-Fi networks use unlicensed devices and can be designed for private access within a home or business, or be used for public Internet access at “hot spots” such as restaurants, coffee shops, hotels, airports, convention centers, and city parks.
  • Mobile wireless broadband services are also becoming available from mobile telephone service providers and others. These services are generally appropriate for highly-mobile customers and require a special PC card with a built in antenna that plugs into a user’s laptop computer. Generally, they provide lower speeds, in the range of several hundred Kbps.
which of the following identifies broadband internet connections?
Connected world concept: Earth with circuits and ethernet cable____INSPECTOR____Earth map derived from here:http://visibleearth.nasa.gov/view.phpid=57735

Satellite

Just as satellites orbiting the earth provide necessary links for telephone and television service, they can also provide links for broadband. Satellite broadband is another form of wireless broadband, and is also useful for serving remote or sparsely populated areas.

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Downstream and upstream speeds for satellite broadband depend on several factors, including the provider and service package purchased, the consumer’s line of sight to the orbiting satellite, and the weather. Typically a consumer can expect to receive (download) at a speed of about 500 Kbps and send (upload) at a speed of about 80 Kbps. These speeds may be slower than DSL and cable modem, but they are about 10 times faster than the download speed with dial-up Internet access. Service can be disrupted in extreme weather conditions.

Broadband over Powerline (BPL)

BPL is the delivery of broadband over the existing low- and medium-voltage electric power distribution network. the BPL speeds are comparable to DSL and cable modem speeds. and BPL can be provided to homes using existing electrical connections and outlets. BPL is an emerging technology that is available in very limited areas. It has significant potential because power lines are installed virtually everywhere, alleviating the need to build new broadband facilities for every customer.

Frequently Asked Questions About the Internet

What is the Internet?

The Internet is a worldwide network of computer networks. Currently, there are over a billion people using the Internet, and millions of new users log on each month. The Internet consists of many parts. but the two most popular are the World Wide Web and electronic mail (email).

How do I get connected?

The minimum requirements are a computer and a modem. If you have a digital device such as a personal computer or smartphone, Once you have the necessary hardware, you sign on with an Internet Service Provider (ISP), a commercial on-line service or a freenet.

What is an Internet Service Provider (ISP)?

An ISP provides direct access from your home or office to the Internet through phone lines, Integrated Services Digital Network (ISDN) Digital Subscriber Line (DSL) or special dedicated Internet connections. Most ISPs provide popular software, including a Web browser and email client. With an ISP, however, you are free to use any other available Internet software package. Most ISPs also give users their own Web space to publish their own information.

What is a commercial on-line service?

Commercial on-line services are designed to provide relatively limited information in an easy-to-use format. Commercial services offer their own news, research resources and discussion forums, which only their members can use. They also provide access to the Internet’s vast resources. Because these systems provide proprietary content and point and click software rather than just Internet access, they generally cost more than ISPs.

What is a freenet?

A freenet is essentially a free ISP established to provide access for the community. The principle behind a freenet is similar to that of a public library, allowing everyone access to the Internet, regardless of their ability to pay.

What software will I need?

Any “modern” computer (five years old or newer) will have network capability. Once connected, you will need a Web browser, an emall program and software for decompressing and translating foreign file formats. These should be pre-loaded on your computer or provided by your ISP.

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What is a firewall?

A firewall is a combination of hardware and software that separates a Local Area Network (LAN) into two or more parts for security purposes. Users accessing the network from outside the LAN can only reach information on the outside of the firewall, while local users can access any information.

What is a URL?

A URL (uniform resource locator) is the tool used to identify sites on the Internet. Web sites begin with the prefix “http://” and FTP sites begin with “ftp://.” The next set of letters refers to a server: “www” for example. The domain name follows the server and indicates who the site belongs to (“adobe”, for example), and an extension identifies a business’ site (“.com”), a school’s site (“.edu”), a nonprofit site (“.org”) and so on.

What is the World Wide Web?

The World Wide Web is a collection of pages that can be published by anyone and viewed by millions of Internet users. Web pages can include text, graphics, sound, files and programs. The Web is the most popular method of distributing information on the Internet

which of the following identifies broadband internet connections?
which of the following identifies broadband internet connections?

What is a home page?

A home page is the opening page of a website. Think of it as the cover and table of contents of a book combined into one electronic page.

What are newsgroups?

A newsgroup is a discussion group on the Internet that anyone can join. reading and posting articles in a worldwide forum. There are thousands of groups discussing almost any imaginable topic.

What are “flames” and “flame wars”?

A flame is an electronic insult often directed at the author of a controversial or offensive statement made in Usenet, a portion of the Internet reserved for communication among people with similar interests. Flames can be sent either through email to the author or posted in a Usenet newsgroup. A flame war results when the author of the original article, or a supporter, responds to flamers and flamers retort, creating a cycle of arguing that consumes bandwidth. Many newsgroup have moderators who try to prevent flame wars and block out extraneous material.

What is “netiquette”?

Netiquette refers to rules of good behavior in Internet communication. The cardinal rule, of course, is to be considerate of other people, even though you may never have to face them. Advertising in a newsgroup through email is a fairly common faux pas. These unsolicited ads would create enormous clutter if they weren’t so strongly discouraged (their senders may be effectively ostracized if users choose to block out messages from offenders).

A website is the most appropriate place to advertise because those who are interested can come to you. Typing your comments completely in capital letters (“shouting”) is another Internet taboo. Experienced Internet user recommend that people who are unsure of their grasp of netiquette observe the communications of others before leaping in, a practice known as “lurking”.

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