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CWNA PW0-104 practice test and braindumps

admin — Sun, 12 Sep 2010 12:39:26 +0000

Wireless LAN Administration Exam
Exam Number: PW0-104
Cost: $65.00 U.S.
Availability: Register at Pearson VUE
Duration: 90 minutes
Questions: 60
Question Types: Multiple choice / multiple answer
Passing Score: 70% (80% for instructors)
Available Languages: English

PW0-104 Exam Description
This certification exam measures your ability to administer any wireless LAN. The CWNP PW0-104 exam covers a broad range of wireless LAN topics focused on 802.11 wireless technology rather than products of specific vendors.

The main subject areas covered are:
Radio Technologies
Antenna Concepts
Wireless LAN Hardware and Software
PW0-104 Exam Network Design, Installation, and Management
Wireless Standards and Organizations
802.11 Network Architecture
Wireless LAN Security
Troubleshooting
How to Perform Site Surveys
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admin — Sat, 22 May 2010 14:17:28 +0000

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admin — Sat, 06 Feb 2010 13:48:09 +0000

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Related Exam: PW0-104 PW0-100 PW0-200 PW0-050 PW0-205

Just4Cert.biz PW0-200 test training and braindumps

admin — Wed, 23 Dec 2009 01:55:09 +0000

Just4Cert PW0-200 Exam

certified wireless security professional(cwsp) practice exam

Exam Number/Code : PW0-200
Exam Name : certified wireless security professional(cwsp)
Questions and Answers : 120 Q&As
Update Time: 2009-10-04
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Exam : CENP PW0-200
Title : Certified Wireless Security Professional(CWSP)

1. What WIPS parameter is configured to generate notifications?
A. Mobile unit density violations
B. Admission control status
C. Sensor sensitivity levels
D. Policy threshold values
Answer: D

2. Given: ABC Company has a WLAN controller with three access points15 client devicesand uses WPA2-Personal for WLAN security.
What statement about ABC Company’s WLAN security is true?
A. Intruders may obtain the passphrase with an offline dictionary attack and gain network accessbut will be unable to decrypt data traffic.
B. Traffic injection attacks are possible because the transmitter lacks frame numbering.
C. An unauthorized wireless client device cannot associatebut can eavesdrop on some data because WPA2-Personal does not encrypt broadcast traffic.
D. An authorized WLAN user with a protocol analyzer can decode data frames of other authorized users if he captures that user’s 4-Way Handshake.
E. Because WPA2-Personal uses Open System authentication followed by a 4-Way Handshakehijacking attacks are easily performed.
Answer: D

3. What happens in a bit flipping attack against an IEEE 802.11 device?
A. An attacker captures an encrypted framemodifies the ciphertextmodifies the ICV to hide the change to the ciphertextand then transmits the frame to appear as if it is from the original source.
B. An attacker uses a non-linear Message Integrity Check (MIC) on his computer to form a wireless crossover connection with the target computer.
C. An attacker injects data into a wireless transmission that results in a memory access exception at the target system for the purpose of breaching security.
D. An attacker sends each frame with the first bit alternating between 0 and 1causing the target computer to disable encryption synchronization.
E. An attacker captures an encrypted authentication frameand then executes a cracking algorithm against each 0 and 1 in the frame. After the frame is crackedit is used to authenticate the attacker’s computer.
Answer: A

4. What policies would prevent peer-to-peer attacks against wireless-enabled corporate laptop computers when the laptops are also used on public access networks such as wireless hotspots?
A. Require managed personal firewall software on each laptop.
B. Require secure applications such as POP3/SHTTPSand SSH2.
C. Require VPN software for connectivity to the corporate network.
D. Require WPA2-Enterprise as the minimal WLAN security solution.
E. Require Port Address Translation (PAT) on each laptop.
F. Require a managed wireless endpoint security agent on each laptop.
Answer: ABCF

5. Given: You have a laptop computer with an integrated Wi-Fi compliant MiniPCI card.
What statements describe the limited effectiveness of locating rogue access points using WLAN discovery software such as NetStumblerKismetor MacStumbler?
A. Discovery tools like those listed cannot determine the authorization status of an access point.
B. A laptop computer can only be in one location at a time.
C. Discovery tools like those listed cannot determine if an access point is attached to a wired network.
D. Rogue access points using non-IEEE 802.11 frequency bands or unpopular modulations are not detected.
E. When data encryption in useaccess points cannot be detected using discovery tools like those listed.
Answer: ABCD

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Just4Cert.biz PW0-050 test training and braindumps

admin — Sat, 19 Dec 2009 17:43:08 +0000

Just4Cert PW0-050 Exam

Wireless# practice exam

Exam Number/Code : PW0-050
Exam Name : Wireless#
Questions and Answers : 180 Q&As
Update Time: 2009-10-26
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Exam : CENP PW0-050
Title : Wireless#

1. Which wireless data technology would have its data rate most negatively impacted by bright sunlight?
A. WiMAX
B. MIMO
C. Bluetooth
D. Wi-Fi
E. Infrared
Answer: E

2. In an 802.11 wireless LAN, what term is used to describe the wireless network name?
A. BSSID
B. ATIM
C. DIFS
D. SSID
E. FHSS
Answer: D

3. A ZigBee network can scale to how many nodes?
A. 2,000
B. 10,000
C. 42,000
D. 65,000
E. 78,000
Answer: D

4. What is the maximum speed of IrDA compliant serial infrared (SIR)?
A. 19.2 Kbps
B. 57.6 Kbps
C. 115.2 Kbps
D. 1.152 Mbps
E. 4 Mbps
Answer: C

5. Which wireless technology supports both line-of-sight (LoS) and non-LoS connectivity?
A. ZigBee
B. WiMAX
C. Wi-Fi
D. Infrared
E. Bluetooth
Answer: B

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Just4Cert.biz PW0-205 test training and braindumps

admin — Mon, 19 Oct 2009 20:47:31 +0000

Just4Cert PW0-205 Exam

certified wireless analusis professional(cwap) practice exam

Exam Number/Code : PW0-205
Exam Name : certified wireless analusis professional(cwap)
Questions and Answers : 120 Q&As
Update Time: 2009-10-24
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Exam : CENP PW0-205
Title : certified wireless analusis professional(cwap)

1. Which is true of the Association Identifier (AID) used in 802.11 wireless LANs?
A. The AID has a maximum value of 2048, and is used to uniquely identify a wireless client station associated with an access point.
B. The AID has a maximum value of 2007, and resides in the duration/ID field of a PS-Poll frame only.
C. When bit 16 of the field is zero, the value in bits 15-0 represent the remaining duration of a frame exchange.
D. The least significant 8 bits of this field are used by the wireless client station to identify which bit in a TIM indicates that the access point has frames buffered for the wireless client station.
E. The AID is used by the access point in DCF mode to reduce duplicate transmissions when sending multicasts.
Answer: B

2. When an access point sends an RTS frame, the duration field will contain an amount of time, measured in microseconds, equal to which of the following?
A. 2 ACK, 1 RTS, 1 DATA, 4 SIFS
B. 1 ACK, 1 CTS, 1 DATA, 3 SIFS
C. 1 DATA, 1 RTS, 2 SIFS, 1 DIFS, 1 ACK
D. 1 RTS, 1 CTS, 1 DATA, 2 ACK, 4 SIFS
Answer: B

3. Choose the true statements regarding wireless network discovery processes for an 802.11b network.
A. Client stations may continually send Probe Request frames on all 802.11b channels in the 2.4 GHz ISM band in a consecutive manner, regardless of their association state.
B. Access points send Beacon Management frames on all 802.11b channels in the 2.4 GHz ISM band in a consecutive manner including the channel for which the access point is configured.
C. Client stations send Probe Request frames on all 802.11b channels in the 2.4 GHz ISM band in a consecutive manner until they associate with an access point. After associating to an access point, they are no longer allowed to transmit Probe Request frames.
D. Access points send Beacon Management frames only on the 802.11b channel in the 2.4 GHz ISM band for which the access point is configured.
E. Client stations send Probe Request frames on all 802.11b channels in the 2.4 GHz ISM band in a consecutive manner until they receive at least 3 Probe Response frames.
Answer: AD

4. The Timestamp field, found in 8011 Beacon Management frames, is 8 bytes in length and serves which of the following purposes?
A. Keeps all client stations in a BSS synchronized to within approximately 4 microseconds of the access point.
B. Allows client stations in the IBSS to pick the best of multiple beacons.
C. Used to notify client stations using power management features of how long their queued frames have been held by the access point.
D. Informs associating client stations how often to expect Beacon Management frames to be sent by the access point.
E. Allows all client stations in a BSS to calculate how long it took for the Beacon Management frame to traverse the wireless medium.
Answer: AB

5. Which of the following descriptions accurately describes IEEE 802.11 compliant Power Save mode operation in a DCF Basic Service Set?
A. Following a period of time in a low power state, client stations wake themselves and automatically poll the access point for traffic using a PS-Poll frame.
B. When the access point’s buffer is full, the access point wakes all client stations using a PS-Poll frame so that they can receive the data.
C. Upon receiving traffic for a dozing station, the access point wakes the client station using a PS-Poll frame so that the client station can receive the data.
D. After waking from a low power state, client stations listen for the next beacon to determine if sending a PS-Poll frame to the access point is necessary.
E. After waking at a schedule TBTT, client stations automatically send Null Function frames to the access point with the Power Management bit cleared.
Answer: D

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Just4Cert.biz PW0-100 test training and braindumps

admin — Tue, 29 Sep 2009 20:13:57 +0000

Just4Cert PW0-100 Exam

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Exam Number/Code : PW0-100
Exam Name : certified wireless network administrator(cwna)
Questions and Answers : 120 Q&As
Update Time: 2009-10-02
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Exam : CENP PW0-100
Title : certified wireless network administrator(cwna)

1. Given: XYZ Corporation is experiencing connectivity problems with their existing building-to-building bridge link. A brick wall on the roof of one building is partially blocking the Fresnel Zone, and the connection is dropping many frames. The administrator moves the antenna to an area not obstructed by the brick wall and then realizes the RF cable cannot reach the new location.
If an RF extension cable is used, what are the likely results?
A. The data throughput rate will increase because VSWR will decrease.
B. The Equivalent Isotropically Radiated Power (EIRP) will decrease.
C. The antenna coverage area will decrease.
D. The return loss will increase unless the impedance of the RF extension cable is equal to 50% of the antenna impedance.
E. The likelihood of a direct lightning strike will increase, placing the entire WLAN system at risk.
Answer: BC

2. While working on a presentation document in a conference room equipped with a wireless network, you notice that, as you turn your laptop in different directions, your wireless signal strength changes. What RF signal property is primarily responsible for this change in signal strength?
A. The RF signal’s amplitude is changing due to a change in the visual line-of-sight.
B. The RF signal’s wavelength is being affected by varying antenna gain.
C. The RF signal’s multipath is changing the amount of RF absorbed by nearby objects.
D. The RF signal’s phase is oscillating due to electromagnetic interference (EMI).
E. The RF signal’s polarization is different than the receiving antenna.
Answer: E

3. In a long-distance RF link, what statement about Fade Margin is true?
A. Fade Margin is the amount of signal strength in addition to the Link Budget.
B. The Fade Margin of a long-distance RF link does not account for antenna gain.
C. Fade Margin is rarely taken into account on a long-distance RF link.
D. Fade Margin and Jamming Margin are synonymous, interchangeable terms.
Answer: A

4. Which units of measure are used to describe a calculable power quantity?
A. dB
B. dBm
C. dBi
D. mW
E. RSSI
F. dBd
Answer: BD

5. What factors affect the propagation distance of an RF signal?
A. Antenna gain
B. Receiving station sensitivity
C. Fresnel zone blockage
D. Power over Ethernet (PoE) usage
E. Antenna polarization
F. Link budget calculations
Answer: AC

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admin — Thu, 24 Sep 2009 19:30:16 +0000

Just4Cert PW0-300 Exam

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Exam Number/Code : PW0-300
Exam Name : Certified Wireless Network Expert
Questions and Answers : 140 Q&As
Update Time: 2009-10-25
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Exam : CENP PW0-300
Title : Certified Wireless Network Expert

1. When using a protocol analyzer to capture conversations over a WLAN, you may often encounter encrypted data frames. Most WLAN protocol analyzers have a feature that allows the analyst to save and reload the captured frames into memory at a later time. Using this functionality, what task can be performed?
A. When IEEE 802.1X/LEAP is being used as the WLAN security mechanism, the authentication response frame can be replayed from a saved trace file at a later time to successfully authenticate a hacker.
B. If a user name and password for an IEEE 802.1X/EAP-TTLS security implementation can be obtained through social engineering tactics, the user name and password can be entered into the analyzer to decrypt the frames from a saved trace file.
C. An analyst can search through the captured frames looking for RADIUS frames that will disclose the user’s password.
D. Encrypted frames may be decrypted offline, after they are captured, by entering a WEP key or WPA passphrase into the analyzer.
Answer: D

2. A QoS STA obtains a TXOP for an access category (AC) after what two parameters are met?
A. After a scheduled service period ends
B. The medium is idle at the AIFS[AC] slot boundary
C. The backoff time for that AC has expired
D. After a Block ACK Response
E. After a Target Beacon Transmission Time (TBTT)
Answer: BC

3. Given: When the delayed Block Ack policy is used between two QoS STAs, the recipient must respond to a BlockAckReq frame with an ACK frame. The recipient must then send its BlockAck response frame in a subsequently obtained TXOP.
Once the contents of the BlockAck frame have been prepared, the recipient must _______________.
A. Send the BlockAck response frame to the originator in the earliest possible TXOP using the highest priority AC.
B. Send an ATIM to the originator signifying that the BlockAck response frame is ready for transmission.
C. Include the TID of the BlockAckReq in the next TXOP Request to the HC.
D. Wait for one PIFS after the next Beacon and transmit the BlockAck response to the originator using the same AC as the BlockAckReq frame.
Answer: A

4. In a Split MAC wireless network architecture, lightweight APs map user priorities (UPs) specified by the QoS STA on incoming frames to ___________.
A. IEEE 802.1D Frame Precedence Values
B. GRE Priority Bits
C. IEEE 802.1Q Tag Protocol Identifiers
D. IP Differentiated Services Code Points
E. QoS Control Header Values
Answer: D

5. Given: An ingress frame arrives on the Ethernet port of an autonomous AP marked with an IEEE 801D user priority value.
Which IEEE 802.1D user priority values (by name) will assure the data payload carried by the Ethernet frame gets assigned to the highest priority WMM queue?
A. Controlled Load
B. Network Control
C. Video
D. Voice
E. Best Effort
F. Excellent Effort
Answer: BD

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Exam Number/Code : PW0-104
Exam Name : Wireless LAN Administration Exam
Questions and Answers : 120 Q&As
Update Time: 2009-10-19
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Exam : CWNP PW0-104
Title : Wireless LAN Administration Exam

1. What word describes the bending of an RF signal as it passes between mediums of different density?
A. Diffraction
B. Reflection
C. Refraction
D. Diffusion
E. Scattering
Answer: C

2. Given: ABC Company’s network administrator was just asked to install a 5 GHz OFDM bridge link between two buildings. He connected a WLAN bridge with a 50-ohm output to a 50-ohm RF coaxial cable. He connected the other end of the RF coaxial cable to a 25-ohm, 6 dBi Yagi antenna.
What is the maximum VSWR between the WLAN bridge and the Yagi antenna?
A. 1.0:1
B. 1.1:1
C. 1.2:1
D. 1.5:1
E. 2.0:1
F. 1.0:2
Answer: E

3. As an RF wave propagates through space, the wave front experiences natural expansion. What is the detrimental effect of this expansion in a WLAN system?
A. Linear Diffusion Loss
B. Signal Attenuation
C. Transmission Obfuscation
D. Fresnel Zone Thinning
E. Azimuth Inflation
Answer: B

4. What causes an excessively high Voltage Standing Wave Ratio (VSWR) in an 8011 WLAN?
A. An impedance mismatch between devices in series with the main RF signal
B. Reflected DC voltage on the main RF signal line
C. Refracted RF signal peaks along the main signal path
D. Crosstalk (inductance) between adjacent conductors
Answer: A

5. What factors affect the distance that an RF signal can be effectively received?
A. Transmitting station’s antenna type
B. Receiving station’s radio sensitivity
C. Fresnel zone blockage
D. Power over Ethernet (PoE) usage
E. Antenna connector type
F. Distance between access points
Answer: ABC

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admin — Thu, 13 Aug 2009 05:06:13 +0000

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Exam Number/Code : PW0-050
Exam Name : Wireless#
Questions and Answers : 180 Q&As
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Exam : CENP PW0-050
Title : Wireless#

1. The Wi-Fi Alliance implemented which hardware certification for wireless LAN quality-of-service (QoS) interoperability?
A. WEP
B. WQoS
C. WPA
D. WMM
E. WPA2
Answer: D

2. Which wireless data technology would have its data rate most negatively impacted by bright sunlight?
A. WiMAX
B. MIMO
C. Bluetooth
D. Wi-Fi
E. Infrared
Answer: E

3. The IEEE 802.16e standard supports frequencies in what range?
A. 2.5 3.5 GHz
B. 2.4 5.7 GHz
C. 2 11 GHz
D. 6 12 GHz
Answer: C

4. 802.11a compliant wireless LAN systems use which frequency bands?
A. 2.4 GHz ISM band
B. 5.2 GHz U-NII band
C. 5.3 GHz U-NII band
D. 900 MHz ISM band
E. 5.7 GHz ISM band
Answer: BC

5. Which wireless LAN standard specifies the use of Direct Sequence Spread Spectrum technology?
A. 802.11a
B. 802.11b
C. 802.16
D. 802.3af
E. 802.15.1
Answer: B

6. Which wireless industry organization is described as, an association of companies working together to enable reliable, cost-effective, low-power, wirelessly networked, monitoring and control products based on an open global standard.?
A. Wi-Fi Alliance
B. Bluetooth SIG
C. ZigBee Alliance
D. WiMAX Forum
E. IrDA
Answer: C

7. Bluetooth devices use which license-free wireless band?
A. 5 GHz ISM band
B. 5 GHz U-NII bands
C. 2.4 GHz ISM band
D. 3.5 GHz Licensed band
Answer: C

8. Bluetooth devices use which spread spectrum technology?
A. Frequency Hopping Spread Spectrum (FHSS)
B. Direct Sequence Spread Spectrum (DSSS)
C. Orthogonal Frequency Division Multiplexing (OFDM)
D. Infrared Spread Spectrum (ISS)
Answer: A

9. A ZigBee network can scale to how many nodes?
A. 2,000
B. 10,000
C. 42,000
D. 65,000
E. 78,000
Answer: D

10. What wireless industry organization implements certification testing to assure interoperability of wireless LAN hardware complying with the 802.11-1999 standard and related amendments?
A. WiMAX Forum
B. Wi-Fi Alliance
C. Infrared Data Association
D. IEEE
E. Bluetooth SIG
Answer: B

11. In an 802.11 wireless LAN, what term is used to describe the wireless network name?
A. BSSID
B. ATIM
C. DIFS
D. SSID
E. FHSS
Answer: D

12. What is the maximum speed of IrDA compliant serial infrared (SIR)?
A. 19.2 Kbps
B. 57.6 Kbps
C. 115.2 Kbps
D. 1.152 Mbps
E. 4 Mbps
Answer: C

13. The 802.16-2004 standard, supported by the WiMAX interoperability initiative, supports which features?
A. Client mobility
B. 802.16e compatibility
C. Quality of Service (QoS)
D. Strong security
E. Ad Hoc client networking
Answer: CD

14. Which wireless technology supports both line-of-sight (LoS) and non-LoS connectivity?
A. ZigBee
B. WiMAX
C. Wi-Fi
D. Infrared
E. Bluetooth
Answer: B

15. What is the most effective technique of minimizing battery drain by a laptop’s wireless Mini-PCI card?
A. Remove the Mini-PCI card when you do not require network access
B. Enable Power Save mode
C. Move farther away from the access point
D. Lower the transmission frequency of the Mini-PCI card
Answer: B

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