2016年10月31日星期一

CWNP certification CWNA-106 Exam Prep exam training materials

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Exam Code: CWNA-106 Exam Prep

Exam Name: Certified Wireless Network Administrator

One year free update, No help, Full refund!

CWNA-106 Exam Prep Exam Cram Total Q&A: 120 Questions and Answers

Last Update: 2016-10-31

CWNA-106 Exam Prep Study Guide Detail: CWNA-106 Exam Prep Exam Cram


 

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NO.1 What component of the 802.11 standard allows stations to reserve access to the RF medium for
a specified period of time?
A. Short guard intervals
B. Listen Interval
C. DTIM Interval
D. Probe Request frames
E. RTS or CTS frames
Answer: E

CWNA-106 Exam Prep Exam Tests   

NO.2 In WLAN security, which authentication methods always create Layer 2 dynamic encryption
keys? (Choose 2)
A. WPA2-PSK
B. Shared Key
C. EAP-TLS
D. HTTPS Captive Portal
E. WEP
F. TKIP
Answer: A,C

CWNA-106 Exam Prep Actual Test   

NO.3 When replacing the antenna of a WLAN device with a similar antenna type that has a higher
passive gain, what antenna characteristic will decrease?
A. Receive sensitivity
B. Range
C. Fresnel Zone size
D. Active gain
E. Beam width
Answer: E

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NO.4 As a station moves away from the access point to which it is associated, it changes its data rate
from 600 Mbps to 540 Mbps and then to 450 Mbps.
What IEEE 802.11 term is used to describe this functionality?
A. Modulation and Coding Selection
B. Adaptive Rate Management
C. Multirate Control
D. Rate Set Selectivity
E. Dynamic Rate Switching
Answer: E

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NO.5 What statements accurately describe the RF cables and connectors that are used in an 802.11
WLAN system? (Choose 3)
A. Large diameter RF cables cause greater loss than small diameter cables.
B. Every RF connector causes insertion loss.
C. 75 and 125 ohms are the typical impedances of 802.11 WLAN connectors.
D. Two RF connectors of the same type (e.g. SMA), manufactured by different companies, may vary in
specifications.
E. RF cables have upper and lower frequency range specifications.
Answer: B,D,E

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NO.6 Prior to association, what parameter can 802.11 client devices measure and use to select the
optimal access point for association?
A. Proximity to potential access points
B. Signal strength of access point beacons received
C. Average round trip time to reach the IP router
D. Retry rate of probe request and response frames
E. Average round trip time to reach the Internet DNS server
Answer: B

CWNA-106 Exam Prep Latest Dumps   

NO.7 What statement about 802.3-2012, Clause 33 Power over Ethernet is true?
A. Only midspan PSEs are supported.
B. By using CAT3 cabling, you can increase the maximum draw available to the PD.
C. Up to 30 watts of power may be provided through an Ethernet cable.
D. Only endpoint PSEs are supported.
E. When using CAT5 cabling, you decrease the maximum draw available to the PD.
Answer: C

CWNA-106 Exam Prep Test Questions   

NO.8 In a single channel architecture (SCA) WLAN system, 802.11n (HT) APs should not share an SSID
with 802.11g (ERP) APs.
What is the reason for this recommendation?
A. Beacons from 802.11n APs use 40 MHz channels, while beacons from 802.11g APs use 20 MHz
channels.
B. Client stations would see two different sets of AP capabilities as they roam between APs with the
same BSSID.
C. The added range of 802.11n APs would cause additional co-channel interference.
D. The additional beacon material in 802.11n beacons would confuse 802.11b/g client stations.
Answer: B

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NO.9 What answers correctly complete the following sentence?
____________ and ____________ carrier sense functions are used to determine if the wireless
medium is busy. (Choose 2)
A. Backoff
B. Active
C. Physical
D. Interframe
E. Virtual
F. Vector
G. Pseudo-random
Answer: C,E

CWNA-106 Exam Prep Training Materials   CWNA-106 Exam Prep Practice Questions   

NO.10 You were previously onsite at XYZ's facility to conduct a pre-deployment RF site survey. The
WLAN has been deployed according to your recommendations and you are onsite again to perform a
post-deployment validation survey.
When performing this type of post-deployment RF site survey for VoWiFi, what are two steps that
must be performed? (Choose 2)
A. Spectrum analysis to locate and identify RF interference sources
B. Coverage analysis to verify appropriate coverage and roaming boundaries
C. Application analysis with an active phone call on a VoWiFi handset
D. Frequency-band hopping analysis to detect improper RF channel implementations
E. Protocol analysis to discover channel use on neighboring APs
Answer: B,C

CWNA-106 Exam Prep Training Materials   

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