Which type of networking technology is used to share an internet connection wirelessly between two mobile devices select one Ethernet Bluetooth cellular satellite?

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The Institute of Electrical and Electronics Engineers (IEEE) created the standard for Wi-Fi technology that all wireless routers follow, 802.11. The 802.11 standard applies to several specifications of WLANs and defines an over-the-air interface between a wireless client and a base station or between two wireless clients.

The five Wi-Fi technologies are A, B, G, N and AC. B and G use the 2.4 GHz frequency; A and AC use the 5 GHz frequency; and N uses both 2.4 and 5 GHz frequencies. Your choice for your home or business will come down to three: Wireless G, N or AC. Routers that only support Wireless B are no longer manufactured.

Wireless AC routers are the best option for small business use because they have good broadcast capability and allow for multiple devices to enjoy optimal performance at the same time. Depending on the router you choose, you can enjoy added security features and server hosting capabilities.

Wireless N routers are a good choice for a home office wireless network. They support several computers and other electronic devices at one time, so the router will continue to perform even when running computers, entertainment systems and other peripheral items at once.

Wireless G routers are not a good choice for small offices if you need to connect a lot of devices to each other or need to use complex programs or cloud applications on the internet.

Before purchasing a wireless router, you will want to ensure that the wireless interfaces on your devices support your chosen technology. Not all devices support Wireless AC, for example.

Figuring out the right wireless network and its necessary components can be a confusing and twisty journey. For home offices and small businesses, WLAN is the way to go because of its better range capabilities, and Wireless AC routers provide the opportunity to connect multiple devices to the network without slowdown occurring.

1: What are the two ways computers can connect to the network?

Answer:

Computers and other devices can connect to a network using cables or wirelessly. 

WiFi is the common wireless technology for a computer network. Ethernet is the protocol most often used in cabled networks.

2: What devices do they usually connect to?

Answer:

Usually cabled devices connect to a switch. But, computers can also be connected directly together in some cases, or may connect into a router. Sometimes special cables are needed, which is covered in the next video.

Wireless devices usually connect to a wireless Access Point (AP). Sometimes wireless computers will connect to each other without an AP. This is called an AdHoc network.

3: How many protocols are used when one computer accesses another computer?

Answer:

This is a bit if a trick question to get you to think. The answer is, it depends.

As we talked about, protocols are a way to format data. This means that both ends of the conversation understand what’s being said.

Some protocols are used to deliver data. They don’t care what the data is about though. Their only job is to get the data from one endpoint to another. Ethernet is an example of this type of protocol.

Other protocols work with the application. An example of this is SMTP with is a protocol that describes how emails are handled. SMTP doesn’t worry about getting information onto a cable, or across WiFi. That’s what protocols like Ethernet are for. SMTP is only worried about the mail.

So, several protocols may work together to accomplish a task. We’ll see more of this throughout the series.

4: Your company has three divisions. Each group has a network, and all the networks are joined together. Is this still a LAN? Or is it something else?

Answer:

If each group has their own network, each network could be called a LAN. If these networks are joined together, this could also be called a LAN.

LAN is a simple term, and it doesn’t have a strict definition. The important thing is that all the components of the network are in the local area, such as in a single building.

5: The company adds a retail division. There is a head office and six branch offices. What type of network is this?

Answer:

All the components of the network in the head office are in a local area, so this part would be called a LAN. Each of the branch offices would also be called a LAN.

But, all of these networks are separated, so the whole network would not be called a LAN.

If the offices were connected together, this part of the network would be called a WAN. The WAN is the parts that connect the offices together.

Normally, a service provider would be used to provide some or all of the equipment for these connections.

As a whole, this would be called an enterprise network