wireless trouble shooting

Question 1

• The strength of a received radio signal

Answer 1

• Received Signal Strength Indicator

Question 2

• The signal strength sent from transmitting devices

Answer 2

• Effective Isotropic Radiated Power

Question 3

Devices must associate with an access point - This can occur multiple times as a device roams

Answer 3

AP association time

Question 4

• There’s a limited amount of frequency - Everyone can’t talk at one time; Similar to a wired network
• An increasing number of wireless devices - They all want to talk

Answer 4

Channel utilization

Question 5

Wireless channels sometimes overlap when there are many access points

Answer 5

Overlapping channels

Question 6

• Wireless signal gets weaker as you move further from the antenna

Answer 6

Attenuation

Question 7

• Every access point has at least one Service Set Identifier (SSID) - But did you connect to the right one?

Answer 7

Wrong SSID

Question 8

• Many different methods for wireless authentication - At home it’s probably a PSK (pre-shared key that everyone uses); At work it may be a username and password or another authentication password

Answer 8

Wrong passphrase