CWNA General Information 2

Question 1

Which IEEE 802.11 amendment introduced the concept of spatial multiplexing using multiple antennas?

Accepted Answer

802.11n

Answer

802.11n introduced MIMO (Multiple Input Multiple Output), enabling spatial multiplexing via multiple antennas for higher throughput.

Question 2

What is the maximum EIRP allowed for point-to-point outdoor 5 GHz links under FCC regulations in the US?

Accepted Answer

53 dBm

Answer

The FCC allows up to 53 dBm EIRP for point-to-point outdoor links in the 5 GHz UNII bands when directional antennas are used.

Question 3

Which CWNA body of knowledge domain covers the analysis of RF propagation, loss, and gain calculations?

Accepted Answer

RF Technologies and Antenna Concepts

Answer

RF Technologies and Antenna Concepts covers propagation, free-space path loss, reflection, diffraction, and link budget calculations.

Question 4

What organization administers the CWNA certification?

Accepted Answer

CWNP

Answer

The Certified Wireless Network Professional (CWNP) organization administers the CWNA and all other CW-series certifications.

Question 5

In the context of 802.11 networks, what does the term 'BSS' stand for?

Accepted Answer

Basic Service Set

Answer

BSS stands for Basic Service Set, the fundamental building block of an 802.11 WLAN consisting of one AP and its associated clients.

CWNA - Wireless Network Administrator Practice Test