Troubleshooting Networks - Wireless Connectivity Issues

Question 1

Intermittent Wireless Connectivity

Answer 1

Connected or disconnected network

Question 2

Signal interference

Answer 2

Signal issues

Other devices operating in the 2.4GHz and 5GHz frequency can cause issues

Channels 1, 6, and 11 spread out the network and avoid interference in the wireless b, g, or n spectrums

Wireless a, n, ac, and ax are less prone to signal interreference

Question 3

Received Signal Strength Indicator (RSSI)

Answer 3

Used to measure the signal strength based on an index level and gives a value in decibels (dB).

RSSI is displayed in negative decibels. Lower number is better

Solutions include:

Increase the power of transmission
Increase the antenna size
Move closer to the source

Question 4

Wireless a, n, ac, and ax

Answer 4

Operated in 5 GHz

Question 5

Wireless b, g, or n

Answer 5

Operates in 2.4 GHz

Question 6

IMPORTANT! understand…

Answer 6

What frequency is being used?
What is the maximum speed of that frequency?
Which versions of wireless networking are being used?