Everything WiFi

Question 1

The behavior of radio waves when they are transmitted from one point to another; into parts of the atmosphere.

Answer 1

Radio Wave Propagation

Question 2

The attenuation across distances

Answer 2

Free Space Path Loss

Question 3

When signal hits a smooth object and bounces off the surface.

Answer 3

Reflection

Question 4

When a signal passes through an object and the signal is redirected.

Answer 4

Refraction

Question 5

When an object take in the signal and retains some or all of it.

Answer 5

Absorption

Question 6

When an object takes in the signal and retains some or all of it; reflects the signal in many different directions.

Answer 6

Scattering

Question 7

When another signal is on a signal is on a similar bandwidth to your WiFi network, overpowering or corrupting the Wifi Signal.

Answer 7

Frequency Interference

Question 8

When overlying access points use the same channel or channels with overlapping frequencies causing connectivity issues for clients.

Answer 8

Co-Channel Interfernce

Question 9

When construction materials and contents of a home are reasons that a WiFi signal will not travel as far as it is rated.

Answer 9

Physical Interference

Question 10

Is when two channels’ strength is such that they interfere with one another.

Answer 10

Adjacent Channel Interference

Question 11

These three gateways integrate voice, internet access, wireless router, and primary modem functionality.

Answer 11

XB3, XB6, XF3

Question 12

The 2.4 GHz has how many channels?

Answer 12

14 channels

Question 13

Of the 14 channels in the 2.4 GHz network how many are non-overlapping?

Answer 13

3 non-overlapping channel; 1, 6, 11

Question 14

The 5.0 GHz has how many channels?

Answer 14

23 channels

Question 15

These standards were originally developed for Wireless Local Area Networks.

Answer 15

IEEE 802.11

Question 16

Max Speed of 802.11b

Answer 16

11 Mbps on 2.4 GHz

Question 17

Max Speed of 802.11a

Answer 17

54 Mbps on 5.0GHz

Question 18

Max speed of 802.11g

Answer 18

54 Mbps on 2.4 GHz

Question 19

Max speed of 802.11n

Answer 19

300 Mbps on 2.4 and 5.0 GHz

Question 20

Max speed of 802.11ac

Answer 20

1.3 Gbps on 5.0GHz

Question 21

AES stands for?

Answer 21

Advanced Encryption Standard

Question 22

This app is used to verify your RSSI readings through the home network.

Answer 22

Airport Utility App

Question 23

RSSI stands for?

Answer 23

Received Signal Strength Indicator

Question 24

This app is used to map WiFi coverage within a customer’s home.

Answer 24

Telstra Home Dashboard App

Question 25

This app enable a technician to perform a quick speed test as well as exploring Wi-Fi sweet spots throughout the home.

Answer 25

CloudCheck App

Question 26

A measurement of the of the power present in a received radio signal that is measured between 0dBm and -100dBm.

Answer 26

RSSI

Question 27

T/F:

RSSI measures the quality of the signal and not the signal strength.

Answer 27

False

Question 28

T/F:

A RSSI of -100dBm is perfect.

Answer 28

False; The closer the RSSI is to -100 the worse it signal strength is.