CWNA-106 by CWNP Valid Free Exam Practice Test

Question 1

ABC Company performs government contract work that requires disabling WLANs and has recently purchased an 802.11 Wireless Intrusion Prevention System (WIPS) to enforce their "NO WIRELESS" network security policy.
What attack type cannot be recognized by theWIPS?

A. Rogue APs installation B. Packet capturing C. Layer 3 DoS D. Deauthentication E. RF jamming

Correct Answer: B

Question 2

What problems may occur when there are hidden nodes in the BSS?

A. Use of frame fragmentation with fragment bursts. B. Excessive use of null data frames. C. High retransmission count for a subset of client stations. D. Increase in downlink (transmitted by AP) frame retries. E. Duration values vary widely in each data frame.

Correct Answer: C

Question 3

In WLAN security, which authentication method always create Layer 2 dynamic encryption keys?

A. WEP B. HTTPS Captive Portal C. Shared Key D. EAP-TLS

Correct Answer: D

Question 4

What standard isreferenced into the 802.11-2012 specification and is recommend for robust WLAN client security?

A. SSID hiding B. WEP C. IPSec VPN D. 802.1X/EAP

Correct Answer: D

Question 5

Two co-located 802.11b/g/n APs can interfere with one another and cause contention and collisions, even whenthe two APs are operating on non-overlapping channels (e.g. 1 & 6).
What deployment flaw could cause this problem?

A. The access points are mounted too closely to one another. B. Reflective objects in the area are causing significant multipath. C. A client station is using active scanning to probe for access points on multiple channels. D. The access points are not synchronized to the same NTP server.

Correct Answer: A

Question 6

What statement about 802.3-2012, Clause 33 Power over Ethernet is true?

A. By using CAT3 cabling, you can increase the maximum draw available to the PD. B. Only midspan PSEs are supported. C. Only endpoint PSEs are supported. D. When using CAT5 cabling, you decrease the maximum draw available to the PD. E. Up to 30 watts of power may be provided through an Ethernetcable.

Correct Answer: E

Question 7

Which antenna types are commonly used by indoor Wi-Fi devices in a MIMO diversity implementation? (Choose 2)

A. Dish B. Patch C. Grid D. Sector E. Dipole

Correct Answer: B,E

Question 8

What type of device often causes interference across 50% or more of the 2.4 GHz frequency band?

A. WIPS sensor B. Microwave oven C. Military radar D. Wireless video camera E. Properly configured AP

Correct Answer: B

Question 9

The OSI model is a 7-layer model forunderstanding the functions of a communication system. What OSI sublayers are specifically addressed by the IEEE 802.11-2012 standard? (Choose 2)

A. MAC B. Network C. IP D. PLCP E. PPDU F. Transport

Correct Answer: A,D

CWNP Certified Wireless Network Administrator - CWNA-106 Exam Practice Test