Certified Wireless Network Administrator (CWNA-106) Free Practice Test

Question 1

What statements describe industry practices for communication protocols between
WLANcontrollers and controller-based APs? (Choose 2)

A. Some vendors use proprietary protocols, and some vendorsuse protocols based on public standards like RFCs.

B. All vendors use the same protocol so that APs will interoperate with WLAN controllers from other vendors.

C. All vendors support at least one L2 or L3 broadcastprotocol for controller discovery by controller-based APs.

D. For most vendors, the controller-based APs maintain data and control tunnels with at least two controllers for immediate failover and redundancy.

E. All vendors recommend using L2 (instead of L3) controller discovery and tunneling protocols in large enterprises.

Correct Answer: A,C

Question 2

As an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in an area.What term describes the rate at which this expansion happens?

A. Fresnel zone thinning

B. Ohm's law

C. Inverse square law

D. MU-MIMO

Correct Answer: C

Question 3

XYZ Company has decided to install an 802.11 WLAN system that will support 1000 wireless users, but they are concerned about network security. XYZ is interested in deploying standardized security features. In addition to WPA2-Enterprise with PEAP and role-based access control, XYZ would like to support management frame protection as well as a fast secure roaming protocol for future mobile handsets.
As XYZ Company selects a product to deploy, what two IEEE amendments, which are included in 802.11-2012, should be supported to provide the management frame protection and fast secure roaming security features?

A. 802.11j and 802.11k

B. 802.11z and 802.11w

C. 802.11r and 802.11w

D. 802.11r and 802.11k

Correct Answer: C

Question 4

What statement accurately describes the RF cables and connectors that are used in an
802.11WLAN system?

A. 75 and 125 ohms are the typical impedances of 802.11 WLAN connectors.

B. Large diameter RF cables cause greater loss than small diameter cables.

C. Two RF connectors of the same type (e.g. SMA), manufactured by different companies, may vary in specifications.

D. Some RF connectorsdo not cause insertion loss.

Correct Answer: C

Question 5

What statement about 802.11 WLAN performance is true?

A. Compared to an Independent BSS, an Infrastructure BSS can provide almost twice the throughput between wireless nodes.

B. In 802.11ac, changing the security mechanism from WPA2-Personal toWPA2-Enterprise will enable the VHT MCS rates.

C. Use of larger frame sizes results in greater throughput in low interference environments.

D. BSS support for 65 KB A-MPDUs willincrease the maximum data rate available to client devices.

Correct Answer: C

Question 6

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

A. Capacity analysis results

B. WAN interface analysis results

C. Application Layer protocol availability analysisresults

D. Layer 4 protocol availability analysis results

Correct Answer: A

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CWNP Certified Wireless Network Administrator (CWNA-106) Free Practice Test