CWS Technology & Digital Tools 3

Question 1

Which 802.11 frame type is captured during a passive site survey to determine AP presence and basic BSS parameters?

Accepted Answer

Beacon frames

Answer

Beacon frames are broadcast by APs at regular intervals and contain SSID, supported rates, channel, and capability information used in passive surveys.

Question 2

A technician uses AirMagnet Survey to perform an active survey. What distinguishes an active survey from a passive survey?

Accepted Answer

The survey device associates to an AP and measures real throughput

Answer

In an active survey, the surveying device associates to the network and exchanges data frames, measuring real application-layer performance.

Question 3

Which cloud-based wireless management platform uses a concept called 'Group Policies' to apply different QoS and firewall rules to different SSID user groups?

Accepted Answer

Cisco Meraki

Answer

Cisco Meraki uses Group Policies to define unique bandwidth limits, firewall rules, and traffic shaping settings applied per SSID or user group.

Question 4

What does the 'noise floor' reading in a Wi-Fi analyzer indicate?

Accepted Answer

The ambient RF energy level in the absence of a desired signal

Answer

The noise floor represents background RF energy from thermal noise and interference; a lower noise floor enables better SNR for wireless communications.

Question 5

In the context of wireless troubleshooting tools, what is a 'rogues alarm' in a WLAN management system?

Accepted Answer

A notification when an unauthorized AP is detected on the network

Answer

A rogues alarm notifies administrators when an unauthorized AP is detected operating on the same channel or infrastructure, posing a security threat.

(CWS) Certified Wireless Specialist Practice Test

(CWS) Certified Wireless Specialist Practice Test

CWS Technology & Digital Tools 3