CWNP CWISA-103 Exam Questions

Question 6 of 60

What does the number in the various Quadrature Amplitude Modulation levels, such as 16 in QAM-16 and 64 in QAM-64, indicate? (Choose the single best answer.)

The number of target points in the QAM constellation, which are equivalent to amplitude and phase combinations

The speed of data transfer, which is four times the number in the QAM level

The channel width, which is stipulated in MHz

The number of spatial streams, which is 1/4 the number in the QAM level

Correct Answer: A

Question 7 of 60

What primary component is required to implement a wireless transceiver in a device?

Flash memory

Radio

SRAM

GPIO pins

Correct Answer: B

Question 8 of 60

How does OFDMA differ from OFDM?

OFDMA offers greater range by using multiple channels at once

OFDMA allows multiple devices to transmit simultaneously on the same frequency

Subcarriers of OFDMA can contain data destined for a different receiver

OFDMA uses multiple radios to achieve higher throughput

Correct Answer: C

Question 9 of 60

What metric is used to express a relative increase or decrease in signal strength?

dBm

Correct Answer: D

Question 10 of 60

What kind of PoE device can be used to power a non-PoE connected object assuming PoE power is provided on the Ethernet cable?

PoE endspan switch

PoE midspan injector

PoE splitter

PoE coupler

Correct Answer: C