2.4 Compare and contrast wireless networking protocols.

The 802.11ac standard supports speeds as high as

1.7 Gbps

Which of these are the maximum transfer rate, band and range of the 802.11ac Wireless Local Area Networks (WLAN), also called WiFi, standard?

1.7 Gbps, 5 GHz, up to 100 feet

The 802.11b standard supports speeds as high as

11 Mbps

802.11b and 802.11g operates on a specific radio frequency of

2.4 GHz

802.11b uses which frequency?

2.4 GHz

Which frequency range has a longer wavelength (2.4 GHz or 5.0 GHz)

2.4 GHz

Which frequency range has longer wavelengths (2.4 GHz or 5.0 GHz)?

2.4 GHz

Which frequency range is better at propagating through solid surface (2.4 GHz or 5.0 GHz)?

2.4 GHz

The legacy standard 802.11g operates in the radio frequency range of ## at speeds for up to ##.

2.4 GHz, 54Mbps

802.11n operates on a specific radio frequency of ## on a single channel and ## on bonded channels not 5GHz.

2.4GHz, 5GHz

5G is the fifth generation of wireless technology providing up to ## with standard rates of ##.

20 Gbps, 16Gbps

5 GHz has ?? non-overlapping channels and 2.4 GHz has only ?? non-overlapping channels?

23 and 3

2G was the first cellular generation to offer digital signals and up to ##.

250 Kbps

The first cellular generation to offer digital signals and up to 250 Kbps

2G

The first cellular generation to offer digital signals and up to 250Kbps

2G

The first generation to not only support voice but also text and data services

2G

The first generation to not only support voice but also text and data services.

2G

The 802.11n products also work in the 5 GHz band for up to ## at a maximum speed of ##.

30 meters, 600 Mbps

LTE (Long Term Evolution) calls for downlink speeds of up to ## and uplink speeds of up to ##.

300Mbps, 76Mbps

What is the maximum distance of 802.11b, indoors and outdooors?

32 meters indoors, 140 meters outdoors

What wireless technology delivers speeds that are at least 200Kbps (Kilobits per second) up to 3Mbps (Megabits per second)?

3G

The 802.11g has a maximum distance of up to

45 meters

The 802.11n has a maximum distance of up to

45 meters

Which one of the wireless technology generations offered the new Long Term Evolution (LTE) only for data?

4G

802.11a and 802.11ac operates on a specific radio frequency of

5 GHz

Which frequency range supports higher data rates (2.4 GHz or 5 GHz)?

5 GHz

Which frequency range supports more individual channels and suffers less congestion?

5 GHz

The 802.11g standard supports speeds up to

54 Mbps

Which 802.11 wireless standard(s) uses the 5 gigahertz (GHz) frequency range?

802.11a, 802.11n, 802.11ac

What are the five main versions of WiFi standards?

802.11a,b,g,n,ac

You are planning the installation of several wireless access points in a large office area with multiple high-end devices. Which standard is the best wireless solution for this network?

802.11ac

It uses the 2.4 GHz band for distances up to 32 meters indoor and 140 meters outdoors.

802.11b

This standard supports speeds as high as 11 Megabits per second (Mbps).

802.11b

Use of the legacy standards like ### is now limited to quite old equipment. It is the 802.11n products that provide support for both 2.4 GHz and 5 GHz.

802.11b

Which 802.11 wireless standard(s) uses the 2.4 gigahertz (GHz) frequency range?

802.11b, 802.11g, and 802.11n

For speeds up to 54 Mbps in the 2.4 GHz band, products were using this standard.

802.11g

This WiFi standard can use both 5 GHz and the 2.4 GHz frequency range?

802.11n

This standard can operate in the 2.4 GHz band, the 5 GHz band, or both simultaneously

802.11n

This standard can use both the 5 GHz and the 2.4 GHz frequency range.

802.11n

Which standard supports speeds up to 600 Megabits per second (Mbps) in the 2.4 GHz or 5 GHz frequency ranges?

802.11n

You need to configure a wireless SOHO (Small Office Home Office) network that can operate at two different channel widths on the same spectrum simultaneously. It needs to ensure that a mixture of old and new company smartphones, tablets, laptops, and desktops can access the WiFi. What network standard will your network setup need to support?

802.11n

Wireless networks operate in either 2.4 gigahertz (GHz) or 5 GHz frequency bands which are divided up into a number of smaller bands, called...

Channels

The 2.4 gigahertz (GHz) band is subdivided into up to 14 channels with only 3 that are non-overlapping. There are 23 non-overlapping channels in the 5 GHz band. Which of these channels are permitted for use in the Americas?

Channels 1-11

3G signals are transmitted in digital format in ______________ technologies. Long Term Evolution (LTE) was not offered until 4G.

GSM (Global System for Mobile) and CDMA (Code-Division Multiple Access)

A wireless mobile technology used for device communication over short ranges, mostly used to control electronic devices that can be controlled using a remote such as televisions, projectors, etc

Infared (IR)

Which of the following wireless communication standards requires line of sight to operate?

Infared (IR)

What are the two standards offered within 4G?

LTE (Long Term Evolution) and WiMax (Worldwide Interoperability for Microwave Access, Inc.)

A converged 4G cellular wireless protocol supported by all network providers. It is a cellular digital communication standard for mobile devices.

Long Term Evolution (LTE)

What does 5G add to the cellular communications networks that 3G or 4G did not?

More bandwidth, lower latency, and ability to connect more devices

A two-way short-range radio communications standard operating in the 13.56 MHz, there are no "hops" to other devices.

NFC

The standard wireless protocol behind wireless payment options such as Android Pay and Apple Pay

NFC

You are an IT Analyst for a large chain of restaurants. Your department has been asked to evaluate accepting payments through wireless transmission from mobile devices. Which standard technology are they referring to?

NFC (Near Field Communication)

a two-way short-range radio communication which can be used for such applications as credit card payments and membership cards. Only a simple touch is needed between the devices to transfer data.

Near Field Communication (NFC)

Only provides one-way wireless communication and is better suited for applications such as EZ-Pass or tracking items

RFID (Radio Frequency Identification)

Which of the following wireless communication standards provide only one-way communication?

Radio Frequency Identification (RFID)

This signal refers to a wireless electromagnetic signal used as a form of communication by such devices as wireless keyboard and mouse, whereas TV remotes used IR.

Radio frequency (RF)

At what speed and on what radio frequency does the 802.11g operate?

Speeds up to 54 Mbps in the 2.4 GHz band

What is the distance, speed, and frequency of wireless standard 802.11ac?

Up to 30 meters, max speed of 1.7 Gbps, 5 GHz

What is the distance, speed, and frequency of wireless standard 802.11a?

Up to 30 meters, maximum speed of 54 Mbps, 5 GHz

What is the distance, speed, and frequency of wireless standard 802.11n?

Up to 45 meters, max speed of 288.8 Mbps on a single channel, 2.4 GHz

Uses radio waves to provide network connectivity for devices like computers and laptops and does not require a clear path to the device to operate

WiFi

Used for home automation to wirelessly control such devices as lighting, security systems, thermostats, etc

Z-Wave

Which of the following wireless communication standards is a mesh network with a limit of four "hops" between the controller device and endpoint?

Z-Wave

If you wanted to install a wireless mesh network to monitor and remotely control your home using the 2.4 gigahertz (GHz) band, what wireless networking protocol would you use?

Zigbee

an open source two-way wireless communications protocol used primarily for home automation

Zigbee

Europe's regulations permit the use of how many channels?

all 14 channels

This generation offered simple telephone service with data and could not support signals transmitted in digital format like Long Term Evolution (LTE) offered in 4G.

analog 1G

Europe's regulations permit the use of all 14 channels. Whereas, United States' regulations only permit the use of

channels 1-11

What is LTE (Long Term Evolution) used for?

data only

The first generation of cellular communication only offered

simple telephone service with data

What are GSM (Global System for Mobile) and CDMA (Code-Division Multiple Access) used for?

voice and texts