최신CWNP Wireless Network Administrator (CWNA) - CWNA-109무료샘플문제
문제1
The IEEE 802.11-2012 standard requires VHT capable devices to be backward compatible with devices using which other 802.11 physical layer specifications (PHYs)?
The IEEE 802.11-2012 standard requires VHT capable devices to be backward compatible with devices using which other 802.11 physical layer specifications (PHYs)?
정답: B
설명: (ExamPassdump 회원만 볼 수 있음)
문제2
An 802.11-based network uses an AP and has several connecting clients. The clients include iPhones, iPads, laptops and one desktop. What WLAN use case is represented?
An 802.11-based network uses an AP and has several connecting clients. The clients include iPhones, iPads, laptops and one desktop. What WLAN use case is represented?
정답: D
설명: (ExamPassdump 회원만 볼 수 있음)
문제3
You are evaluating access points for use in the 5 GHz frequency band. What PHY supports this band and supports 80 MHz channels?
You are evaluating access points for use in the 5 GHz frequency band. What PHY supports this band and supports 80 MHz channels?
정답: B
설명: (ExamPassdump 회원만 볼 수 있음)
문제4
You are implementing a multi-AP WLAN and fast secure roaming is essential. Which one of the following methods is an IEEE 802.11 standard method for fast roaming?
You are implementing a multi-AP WLAN and fast secure roaming is essential. Which one of the following methods is an IEEE 802.11 standard method for fast roaming?
정답: D
설명: (ExamPassdump 회원만 볼 수 있음)
문제5
An 802.11 WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB of loss.
The cable is connected to an antenna with 16 dBi of gain. What is the power level at the Intentional Radiator?
An 802.11 WLAN transmitter that emits a 50 mW signal is connected to a cable with 3 dB of loss.
The cable is connected to an antenna with 16 dBi of gain. What is the power level at the Intentional Radiator?
정답: A
설명: (ExamPassdump 회원만 볼 수 있음)
문제6
An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?
An RF signal sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?
정답: D
설명: (ExamPassdump 회원만 볼 수 있음)
문제7
You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?
You are reconfiguring an AP to use the short guard interval. How long will the new guard interval duration be after the change?
정답: C
설명: (ExamPassdump 회원만 볼 수 있음)
문제8
What is the primary function of the Clear Channel Assessment (CCA) process in the CSMA/CA medium access method?
What is the primary function of the Clear Channel Assessment (CCA) process in the CSMA/CA medium access method?
정답: A
설명: (ExamPassdump 회원만 볼 수 있음)
문제9
As an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in an area. What describes the rate at which this expansion happens?
As an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in an area. What describes the rate at which this expansion happens?
정답: D
설명: (ExamPassdump 회원만 볼 수 있음)
문제10
What is the purpose of Protected Management Frames (PMF), also known as 802.11w?
What is the purpose of Protected Management Frames (PMF), also known as 802.11w?
정답: D
설명: (ExamPassdump 회원만 볼 수 있음)
문제11
A wireless engineer is troubleshooting an area where far-away clients associated with an AP experience poor performance because a nearby client is transmitting at a much higher signal level, effectively drowning out the weaker signal at the receiver. What is this condition called?
A wireless engineer is troubleshooting an area where far-away clients associated with an AP experience poor performance because a nearby client is transmitting at a much higher signal level, effectively drowning out the weaker signal at the receiver. What is this condition called?
정답: D