Braindumps for "642-582" Exam

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 Question 1.
Which of the following is used by an Infrastructure AP when registering with WDS AP?

A. PEAP
B. EAP-TLS
C. LEAP
D. STATIC WEP

Answer: C

Question 2.
The newly appointed ITCertKeys trainee technician wants to know which authentication method is authenticated in cases where Fast Secure Roaming requires WDS AP and Infrastructure Aps.

What will your reply be?

A. EXAMSIP
B. WEP
C. LEAP
D. none of the above

Answer: C

Question 3.
Due to their need of maintaining end-to-end delay under what length of time, are voice applications most likely to benefit from Fast Secure Roaming?

A. 70 ps
B. 10 ms
C. 150 ms
D. 1 second

Answer: C

Question 4.
Of the following what are the basic components necessary for Fast Roaming? 
(Choose all that apply.)

A. WLSE
B. WDS enabled Access Point
C. Cisco Access Registrar
D. Cisco Compatible Client (v2)

Answer: B, D

Question 5.
What does the acronym WLCCP stand for?

A. Wireless LAN Context Control Protocol
B. Wireless Local Configuration and Command Protocol
C. Windows Local Context Control Protocol
D. Wireless LAN Control and Configuration Principles

Answer: A

Question 6.
The ITCertKeys trainee technician wants to know what the functions are that WLSE accomplishes with Radio Management information. What will your reply be? (Choose all that apply.)

A. To perform Assisted Site Surveys
B. To detect and locate rogue APs
C. To copy the local configuration and push to neighbor APs
D. To scan a wired environment for appropriate wireless VLANs

Answer: A, B

Question 7.
Which of the following statements regarding channel reuse is valid?

A. Channel reuse cannot be used with 802.11g clients
B. When there are a large number of clients, it is not wise to use channel reuse.
C. In a given area, channel reuse optimizes the use of available 802.11 spectrum.
D. Channel reuse eliminates duplication of broadcast and multicast packets to a client.

Answer: C

Question 8.
Which of the following statements describes the way in which Workgroup Bridge (WGB) connect
to Ethernet devices? (Choose all that apply.)

A. Ethernet patch cable to a single device
B. Ethernet crossover cable to a single device
C. Ethernet patch cable to a hub
D. Ethernet crossover cable to a hub

Answer: B, C

Question 9.
Access Point 10 in root mode (SSID = ‘123’) results in the provision of a connection to repeater Access Point 20 (SSID = ‘123’). In a scenario where Access Point 10 is using Channel 1, what channel will Access Point20 use?

A. Channel 1
B. Channel 6
C. any channel except Channel 1
D. Channel is not a concern in this application.

Answer: A

Question 10.
Which channel is used by the standby Access Point, when deploying Access Points in hotstandby mode?

A. It will scan all available channels.
B. It will make use of the same channel as the primary Access Point.
C. It will make use of a channel adjacent to the primary Access Point.
D. The radio is off until an SNMP trap is sent by the primary.

Answer: B

Question 11.
Which of the following statements best describes the Structured Wireless Aware Network (SWAN) solution?

A. It manages the configurations on WLAN clients
B. It makes use of dumb APs that are managed by a central AP controller
C. It is a structured WLAN manager installed on Cisco switches for non-Cisco APs
D. It focuses on the management of configurations for radios, mobility, security, QoS, and the 
     overall WLAN network

Answer: D

Question 12.
Given that the Cisco Aironet 802.11 a/b/g Wireless LAN Client Adapter has two LEDs, which of the following indicate that a properly working card (not necessarily associated)? 
(Choose all that apply.)

A. green LED off; amber LED solid
B. green LED off; amber LED blinking sporadically
C. green LED blinking fast; amber LED blinking sporadically
D. green LED blinking slowly; amber LED blinking sporadically
E. none of the above

Answer: C, D

Question 13.
Which of the following is the correct DC voltage used to power the Access Points through the use of in-line power to the Ethernet port?

A. -5 VDC
B. -9 VDC
C. -12 VDC
D. -48 VDC

Answer: D

Question 14.
Which of the following statements best describes the relationship between data rate and cell size (coverage area)?

A. The highest data rate has the largest cells size.
B. The lowest data rate has the smallest cell size.
C. The highest data rate has the smallest cell size.
D. Only the transmit power and antenna gain control the cell size not the data rate.

Answer: C

Question 15.
What channel will repeater Access Point use to associate to it, if root Access Point is set at channel 6?

A. any channel
B. any other non-overlapping channel
C. Channel 6
D. It depends on the SSID.

Answer: C

Question 16.
The newly appointed ITCertKeys trainee technician wants to know what the performance impact of 802.11b client in cell coverage of an 802.11g APs is. What will your reply be?

A. It forces the AP to load balance
B. It reduce the throughput of 802.11g clients associated to that AP
C. It slows the throughput of 802.11g clients to that of the fastest 802.11b client in the cell.
D. It forces the AP adhering to the 802.11g specification to turn off 802.11g data rates.

Answer: B

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