642-582 Exam

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Exam : Cisco 642-582
Title : Wireless LAN for Field Engineers Exam


1. An 802.11b radio utilizes how much of the 2.4 GHz ISM band for transmission?
A. 1 MHz
B. 11 MHz
C. 22 MHz
D. 83.5 MHz
Answer: C

2. In Cisco's server-based authentication security scheme, what device is used as the supplicant of the system?
A. client
B. switch
C. Access Point
D. authentication server
Answer: A

3. The Cisco Aironet 1400 Series Bridge has a full duplex 100 Mbps interface using _____.
A. two 75 Ohm "F" style connectors
B. two 50 Ohm "N" style connectors
C. two 75 Ohm "N" style connectors
D. two 50 Ohm "RP-TNC" style connectors
Answer: A

4. What is the benefit of spread spectrum technology OFDM modulation?
A. Range improves as data rates increases.
B. It makes 802.11g and 802.11a interoperable.
C. It requires less spectral bandwidth than CCK modulation.
D. It has better performance for multipath interference than CCK modulation.
Answer: D

5. Which three settings in a repeater Access Point are necessary to match the root Access Point? (Choose three.)
A. SSID
B. DNS name
C. IP address
D. Radio Channel
E. WEP configuration
F. Role in radio network
Answer: ADE

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