CWS Wi-Fi Service Sets Questions and Answers

Question 1

A company has deployed multiple access points across its large office building.
All APs are configured with the same SSID, 'CorpNet', allowing employees to move between floors without losing their connection.
From the perspective of the 802.11 standard, what is this entire network configuration called?

Accepted Answer

Extended Service Set (ESS)

Answer

Independent Basic Service Set (IBSS)

Answer

Basic Service Set Identifier (BSSID)

Answer

Distribution System (DS)

Question 2

A user wants to quickly share a file with a colleague in a conference room where no pre-existing Wi-Fi network is available. They create a direct peer-to-peer wireless network between their two laptops. Which type of service set have they created?

Accepted Answer

Independent Basic Service Set (IBSS)

Answer

Extended Service Set (ESS)

Answer

Basic Service Set (BSS)

Answer

Mesh Basic Service Set (MBSS)

Question 3

Which of the following uniquely identifies a Basic Service Set (BSS) and is typically the MAC address of the access point's radio?

Accepted Answer

Basic Service Set Identifier (BSSID)

Answer

Service Set Identifier (SSID)

Answer

Extended Service Set Identifier (ESSID)

Answer

Station Identifier (STA ID)

Question 4

A network technician is analyzing a wireless frame capture and observes traffic between several access points that share the same SSID. What logical component of the 802.11 architecture is responsible for interconnecting these Basic Service Sets (BSSs) to form an Extended Service Set (ESS)?

Accepted Answer

Distribution System (DS)

Answer

Wireless Distribution System (WDS)

Answer

Independent Basic Service Set (IBSS)

Answer

Service Set Identifier (SSID)

Question 5

In an infrastructure mode Basic Service Set (BSS), how do two client stations exchange data frames with each other?

Accepted Answer

All frames are sent to the Access Point (AP), which then forwards them to the destination station.

Answer

They send frames directly to each other after coordinating through the AP.

Answer

One station temporarily acts as an AP for the other station.

Answer

They use the Distribution System Medium (DSM) to communicate directly.

Question 6

Which statement accurately describes the relationship between an SSID and a BSSID in an Extended Service Set (ESS)?

Accepted Answer

One SSID is shared among all APs, but each AP has a unique BSSID.

Answer

One SSID is mapped to one unique BSSID throughout the entire ESS.

Answer

Each client device is assigned a unique BSSID, while the SSID is shared.

Answer

One BSSID is used for the entire ESS, but each AP has a unique SSID.