CWS CWS WLAN Troubleshooting 1

Question 1

What tool is primarily used to identify non-802.11 RF interference sources in a WLAN environment?

Accepted Answer

Spectrum analyzer

Answer

A spectrum analyzer detects all RF energy across frequency bands, including non-802.11 sources like microwave ovens and Bluetooth devices.

Question 2

A wireless client shows 'Limited Connectivity' despite successfully associating with the AP. What is the most likely cause?

Accepted Answer

DHCP failure or IP address conflict

Answer

'Limited Connectivity' means Layer 2 association succeeded but IP address assignment failed, pointing to a DHCP issue.

Question 3

A high retry rate on a wireless AP most commonly indicates which condition?

Accepted Answer

Poor RF signal quality or channel interference

Answer

High retry rates indicate frames are not being acknowledged, typically due to poor signal, interference, or excessive channel contention.

Question 4

Which Windows command displays the wireless adapter's current IP address and connection details?

Accepted Answer

ipconfig /all

Answer

The ipconfig /all command displays all network adapter configuration details including IP address, subnet mask, default gateway, and DHCP info.

Question 5

A single wireless client cannot connect to the WLAN while all other clients work fine. What should be checked first?

Accepted Answer

Client's wireless adapter drivers and settings

Answer

When only one client is affected, the issue is likely specific to that device's wireless adapter, drivers, or configuration rather than a network-wide problem.

CWS Exam Practice Test

CWS Exam Practice Test

CWS CWS WLAN Troubleshooting 1