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CWNA-109 Practice Questions

Certified Wireless Network Administrator

Last Update 3 days ago
Total Questions : 125

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Question # 11

ABC Company is planning a point-to-multipoint outdoor bridge deployment with standalone (autonomous)

802.11 bridge units. 802.1X/EAP will be used for bridge authentication. A Linux-based RADIUS server will be used for authentication. What device in the bridge implementation acts as the 802.1X Authenticator?

Options:

A.  

The Ethernet switch

B.  

The RADIUS server

C.  

All non-root bridges

D.  

The root bridge

Discussion 0
Question # 12

What security solution is deprecated in the 802.11 standard and should never be used in any modern WLAN deployment?

Options:

A.  

Shared Key Authentication

B.  

Open System Authentication

C.  

CCMP

D.  

AES

Discussion 0
Question # 13

What ID is typically mapped to an AP’s MAC address if a single BSS is implemented?

Options:

A.  

SSID

B.  

Device ID

C.  

VLAN ID

D.  

BSSID

Discussion 0
Question # 14

When considering data rates available in HT and VHT PHY devices, in addition to the modulation, coding, channel width, and spatial streams, what impacts the data rate according to the MCS tables?

Options:

A.  

Frequency band in use

B.  

client drivers

C.  

guard interval

D.  

Antenna Height

Discussion 0
Question # 15

802. 11ax (HE) introduces Resource Units that can be used to allow communications with multiple devices at the same time, on the same channel, in the same BSS. What feature of 802.1 lax provides this functionality?

Options:

A.  

6 GHz support

B.  

TWT

C.  

Wi-Fi-LTE

D.  

OFDMA

Discussion 0
Question # 16

You are implementing a VHT-capable AP. Which one of the following channels is available in the 802.11-2016 standard that was not available before the ratification of 802.11 ac?

Options:

A.  

56

B.  

161

C.  

153

D.  

144

Discussion 0
Question # 17

What phrase defines Equivalent Isotropically Radiated Power (EIRP)?

Options:

A.  

The power output from the radio into the RF cable

B.  

The highest RF signal strength that is transmitted from a given antenna

C.  

The power output from the radio after cable losses

D.  

Power supplied from the transmission line to the antenna input

Discussion 0
Question # 18

You are deploying a WLAN monitoring solution that utilizes distributed sensor devices. Where should sensors be deployed for best results? Choose the single best answer.

Options:

A.  

In switching closets

B.  

Every 5 meters and alongside each AP

C.  

In critical areas where WLAN performance must be high

D.  

Above the plenum on each floor

Discussion 0
Question # 19

In addition to coverage analysis results, what should be included in a post-deployment site survey report to ensure WLAN users experience acceptable performance?

Options:

A.  

WAN interface analysis results

B.  

Capacity analysis results

C.  

Application Layer protocol availability analysis results

D.  

Layer 4 protocol availability analysis results

Discussion 0
Question # 20

Your manager asked you to locate a solution that allows for centralized monitoring of WLAN performance over time. He wants a single pane of glass for administration and monitoring of the solution. What do you recommend?

Options:

A.  

Laptop-based spectrum analyzers

B.  

AP-based spectrum analysis

C.  

Overlay WLAN monitoring solution

D.  

Laptop-based protocol analyzers

Discussion 0
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