CWT WLAN Installation & Configuration 2

Question 1

When mounting an indoor access point on a ceiling, what is the recommended minimum clearance from metal HVAC ducts?

Accepted Answer

3 feet

Answer

A minimum of 3 feet clearance from metal HVAC ducts is recommended to avoid RF interference and signal reflection.

Question 2

Which 802.11 amendment introduced MU-MIMO for both uplink and downlink?

Accepted Answer

802.11ax

Answer

802.11ax (Wi-Fi 6) introduced uplink and downlink MU-MIMO, whereas 802.11ac supported only downlink MU-MIMO.

Question 3

A technician needs to connect an AP to a switch port that carries multiple VLANs. What switch port mode should be configured?

Accepted Answer

Trunk mode

Answer

Trunk mode allows the switch port to carry tagged traffic for multiple VLANs, which the AP uses for multiple SSIDs.

Question 4

What is the purpose of configuring a management VLAN on an access point?

Accepted Answer

To isolate management traffic from user data traffic

Answer

A management VLAN isolates AP configuration and control traffic from client data traffic for security and stability.

Question 5

During a WLAN site survey, a technician notices the received signal strength drops from -65 dBm to -80 dBm over a short distance. What is the most likely cause?

Accepted Answer

An obstruction such as a wall or door

Answer

A sudden drop in RSSI over a short distance typically indicates a physical obstruction absorbing or reflecting RF energy.

(CWT) Certified Wireless Technician Practice Test

(CWT) Certified Wireless Technician Practice Test

CWT WLAN Installation & Configuration 2