???????????????????????????????????????????????????????????????????????????? 642-582????????????????????????????????????642-587

???????????????????????????????????????????????????????????????????????????? 642-642???????????????????????????????? ??642-691

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Questons and Answers : 70 questions
Updated: 2007-3-2
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1.The IOS of a North American Cisco Aironet 1230 Series access point has become corrupt, necessitating the need for a TFTP firmware reload. Before you press and hold the MODE button, what must the file be named in order for the reload to occur?
A: c1200-k9w7-tar.boot
B: c1200-k9w7-tar.default
C: c1200-k9w7-tar.recover
D: c1200-k9w7-tar.123-7.JA1.tar
Correct Answers:?? B
2.Which of the following show commands would be used on the WDS to display the access points participating in fast secure roaming?
A: router# show wlccp cckm
B: router# show wlccp wds ap
C: router# show wlccp ap
D: router# show wlccp wds cckm
Correct Answers:?? B
3.When configuring QoS on a wireless controller, the per-user, real-time bandwidth contract is enforced for which of the following protocols?
A: IP
B: IPX
C: UDP
D: TCP
Correct Answers:?? C
4.Your client has deployed a Cisco Wireless Location Appliance within their warehouse environment. They have been experiencing problems with tracking objects using active RFID tags. The RFID beacon rate is 10 seconds. You have discovered an issue with the RFID timeout value. How should this value be changed?
A: Change the value on the Cisco WCS to 95 seconds.
B: Change the value on the Cisco WCS to 45 seconds.
C: Change the value on the wireless controller to 95 seconds.
D: Change the value on the wireless controller to 45 seconds.
Correct Answers:?? C
5.A blinking green power LED indicates which of the following conditions on a Cisco Series 1000 lightweight access point?
A: startup
B: site survey mode
C: duplicate IP address
D: lost connection to the controller
Correct Answers:?? B

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1.Which two activities are included in a Wireless Security Posture Assessment? (Choose two.)
A:scan all host systems and log all open ports
B:ensure that the client is using a strong password policy
C:find WLAN traffic that is leaking from the customer building
D:check all systems to ensure that the patches are being applied in a timely manner
E:check access point configurations and compare them against recommended security practices
Correct Answers:?? C, E
2.Which three authentication methods are supported on the WLSE Express local authentication server? (Choose three.)
A:EAP-SIM
B:EAP-MD5
C:EAP-FAST
D:EAP-PEAP
E:EAP-TTLS
F:EAP-Cisco Wireless (LEAP)
Correct Answers:?? C, D, F
3.The local authentication service on an autonomous access point supports which two authentication types? (Choose two.)
A:EAP-TLS
B:EAP-FAST
C:PEAP-GTC
D:PEAP-MSCHAP
E:EAP-Cisco Wireless (LEAP)
Correct Answers:?? B, C
4.A wireless security assessment has been performed for a network that is composed of Windows 2000 and Windows XP wireless clients. The client wishes to use 802.1x authentication using certificate services. Which EAP types are appropriate?
A: PEAP-GTC and EAP-FAST
B: EAP-Cisco Wireless (LEAP) and EAP-FAST
C: EAP-Cisco Wireless (LEAP) and PEAP-GTC
D: PEAP-MSCHAP and EAP-Cisco Wireless (LEAP)
Correct Answers:?? B

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1.What is the performance impact of 802.11b client in cell coverage of an 802.11g AP?
A: forces the AP to load balance
B: reduces the throughput of 802.11g clients associated to that AP
C: slows the throughput of 802.11g clients to that of the fastest 802.11b client in the cell
D: forces the AP adhering to the 802.11g specification to turn off 802.11g data rates
Correct Answers:?? B
2.What can an RF attenuator do?
A: remotely power the AP
B: add gain to the antenna
C: remotely manage the AP
D: simulate different lengths of cable
Correct Answers:?? D
3.How can you send more data across the airwaves? (Choose two.)
A:utilize lower band frequencies
B:use more complex modulation
C:use better filtering on the receiver
D:use more frequency (wider bandwidth)
Correct Answers: ??B, D
4.Which cipher is configured on the Cisco Aironet Access Point to enable WPA?
A: TKIP
B: CCKM
C: WEP 128
D: CKIP + CMIC
Correct Answers:?? A
5.Cisco Aironet 1200 Series antenna extension cables are manufactured from _____.
A: LMR-400 and LMR-500
B: LMR-400 and LMR-600
C: LMR-300 and LMR-400
D: LMR-100 and LMR-400
Correct Answers:?? B

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1.EIRP is a measurement typically calculated in _____.
A: dBl
B: dBr
C: dBd
D: dBm
Correct Answers:?? D
2.Which antenna provides the most flexibility at the central location of a point-to-multipoint bridging application?
A: isotropic antenna
B: 12 dBi omni-directional
C: 23 dBi grid dish antenna
D: 21 dBi parabolic dish antenna
Correct Answers:?? B
3.When doing a survey in a hospital application, which three should you consider? (Choose three.)
A: pagers
B: fire doors
C: televisions
D: microwave ovens
E: radiology/x-ray areas
Correct Answers:?? B, D, E
4.What is the maximum Ethernet run from the Cisco Aironet 1400 Series Bridge to the switch or router?
A: 10 km (maximum distance for single mode fiber)
B: 100 meters (maximum distance for Fast Ethernet)
C: 500 meters (Cisco Aironet 1400 Series uses a hybrid Ethernet/fiber interface.)
D: 200 meters (100 meters from Switch to Power Injector, then another 100 meters to Bridge Outdoor Unit (ODU)
Correct Answers:?? D
5.What does the 802.11g protection mechanism do?
A: uses the CTS (clear to send) to manage the transmit power of all clients
B: reduces the data rate for 802.11g clients when 802.11b clients are in the same cell
C: reduces the transmit power of 802.11b clients when 802.11g clients are in the same cell
D: uses CTS (clear to send) to protect 802.11g clients from collisions with 802.11b clients
Correct Answers:?? D