PW0-105 Certified Wireless Network Administrator Exam Set 3

Given: As a consultant, you have been hired by ABC Company to implement an outdoor WLAN connection between two buildings that are 2 kilometers (1.24 miles) from each other, with no obstructions in between.Your first required objective is to create a point-to-point link between the two buildings within the local regulatory body's 800 mW EIRP maximum.Your second required objective is to provide an industry-standard security solution capable of supporting mutual authentication.As an optional objective, you must minimize the amount of interference from, and to, nearby WLAN networks.You install an OFDM wireless bridge at each building, configuring one in root mode and the other in non-root mode. You set each radio for 100 mW (20 dBm) and attach 9 dBi omni-directional antennas to both. You configure the network for WPA2-Enterprise with PEAPv0/EAP- MSCHAPv2 authentication.Which statement is true about the solution you chose to deploy?


Options are :

  • Your solution meets both required objectives and the optional objective.
  • Your solution meets neither required objective but meets the optional objective.
  • Your solution meets the first required objective and the optional objective, but not the second objective.
  • Your solution meets the second required objective and the optional objective, but not the first required objective.
  • Your solution meets both required objectives, but does not meet the optional objective.

Answer : Your solution meets both required objectives, but does not meet the optional objective.

PW0-104 Wireless LAN Administration Practice Exam Set 2

What statements about the SSID are true? (Choose two)


Options are :

  • The SSID is an alphanumeric value assigned to device manufacturers by the IEEE.
  • The SSID must be included in an association request frame.
  • The SSID is a security session identifier used in RSNs.
  • The SSID is a pseudo-random number assigned to each client by an AP.
  • The SSID is an alphanumeric value with a maximum length of 32 octets.

Answer : The SSID must be included in an association request frame. The SSID is an alphanumeric value with a maximum length of 32 octets.

What term correctly completes the following sentence?In an IEEE 802.11 frame, the IP packet is considered by the MAC layer to be a(n) _________.


Options are :

  • PLCP Service Data Unit (PSDU)
  • MAC Service Data Unit (MSDU)
  • MAC Protocol Data Unit (MPDU)
  • Bridge Protocol Data Unit (BPDU)

Answer : MAC Service Data Unit (MSDU)

What factors influence the distance that an RF signal can be effectively received? (Choose 4)


Options are :

  • Free Space Path Loss
  • Receiving station's radio sensitivity
  • Transmitting station's antenna type
  • MAC layer encryption
  • Transmitting station's output power

Answer : Free Space Path Loss Receiving station's radio sensitivity Transmitting station's antenna type Transmitting station's output power

PW0-104 Wireless LAN Administration Practice Exam Set 2

Given: Joe runs a small hotel, and as a value added service for his customers he has implemented a Wi-Fi hot-spot. Joe has read news articles about how hackers wait at hot- spots trying to take advantage of unsuspecting users. Joe wants to avoid this problem at his hotel.What is an efficient and practical step that Joe can take to decrease the likelihood of active attacks on his customers' wireless computers?


Options are :

  • Require EAP-FAST authentication and provide customers with a username/password on their receipt
  • Implement Network Access Control (NAC) and require antivirus and firewall software along with OS patches
  • Implement an SSL VPN in the WLAN controller that initiates after HTTPS login
  • Enable station-to-station traffic blocking by the access points in the hotel

Answer : Enable station-to-station traffic blocking by the access points in the hotel

What factors are likely to cause the greatest impact on the application layer throughput of an 802.11n client station in a 2.4 GHz HT BSS? (Choose three)


Options are :

  • Increasing or decreasing the number of spatial streams in use by the client station and AP
  • Increasing the beacon interval from 100 to 200 (TUs)
  • Use of passphrase authentication instead of 802.1X/EAP authentication
  • Use of WEP or TKIP for encryption instead of CCMP

Answer : Increasing or decreasing the number of spatial streams in use by the client station and AP Use of WEP or TKIP for encryption instead of CCMP

What three cipher suites are specified by the IEEE 802.11-2007 standard? (Choose three)


Options are :

  • Wired Equivalent Privacy
  • Extensible Authentication Protocol
  • Internet Protocol Security
  • Temporal Key Integrity Protocol
  • Wi-Fi Protected Access v1 and v2
  • Counter Mode with CBC-MAC Protocol

Answer : Wired Equivalent Privacy Temporal Key Integrity Protocol Counter Mode with CBC-MAC Protocol

PW0-105 Certified Wireless Network Administrator CWNA Exam Set 2

In an 802.11n WLAN with a heterogeneous set of associated client devices including 802.11b, 11g, and 11n, what HT protection mode will the BSS use?


Options are :

  • Mode 3: Non-HT mixed mode
  • Mode 0: No protection mode (Greenfield)
  • Mode 1: Nonmember protection mode
  • Mode 2: 20 MHz protection mode

Answer : Mode 3: Non-HT mixed mode

Given: As you prepare for a site survey in a hospital, you have learned about several wireless devices that support connection-oriented, real-time applications. These applications are sensitive to service interruptions and require excellent signal quality, low latency, and low loss. For that reason, it is important to identify sources of RF interference as well as building characteristics that would cause RF blockage or dead spots.What systems or environmental characteristics are most likely to cause interference or RF blockage and disrupt service for these applications? (Choose two)


Options are :

  • Microwave ovens
  • Elevator shafts
  • RFID chokepoints
  • Long hallways

Answer : Microwave ovens Elevator shafts

Given: ABC Company has hired you to perform an indoor site survey of their 7-story facility. ABC Company owns the building and rents out unused floors (floors 2 and 4) to other companies, and the other companies use 802.11 WLANs already. ABC Company wants all of the offices they occupy to be surveyed as part of the project.What actions should be recommended as part of the site survey project? (Choose two)


Options are :

  • Identify security best practice violations on neighboring WLANs.
  • Verify that RF signals from ABC's APs are not penetrating outside the perimeter of the building.
  • Determine how much signal strength is bleeding between floors.
  • Locate wiring closets on each floor occupied by ABC Company.

Answer : Determine how much signal strength is bleeding between floors. Locate wiring closets on each floor occupied by ABC Company.

PW0-104 Wireless LAN Administration Certified Practice Exam Set 1

What statements describe industry practices for communication protocols between WLAN controllers and controller-based APs? (Choose two)


Options are :

  • All vendors support at least one L2 or L3 broadcast protocol for controller discovery by controller-based APs.
  • Some vendors use proprietary protocols, and some vendors use protocols based on public standards like RFCs.
  • For most vendors, the controller-based APs maintain data and control tunnels with at least two controllers for immediate failover and redundancy.
  • All vendors use the same protocol so that APs will interoperate with WLAN controllers from other vendors.

Answer : All vendors support at least one L2 or L3 broadcast protocol for controller discovery by controller-based APs. Some vendors use proprietary protocols, and some vendors use protocols based on public standards like RFCs.

As an RF wave propagates through space, the wave front experiences natural expansion that reduces its signal strength in an area. What term describes the rate at which this expansion happens?


Options are :

  • Path spread phenomenon
  • MIMO equalization
  • Fresnel zone thinning
  • Inverse square law

Answer : Inverse square law

What statement about 802.11 WLAN performance is true?


Options are :

  • Compared to an Independent BSS, an Infrastructure BSS can provide almost twice the throughput between wireless nodes.
  • BSS support for 65 KB A-MPDUs will increase the maximum data rate available to client devices.
  • Use of larger frame sizes results in greater throughput in low interference environments.
  • In 802.11n, changing the security mechanism from WPA2-Personal to WPA2-Enterprise will enable the HT MCS rates.

Answer : Use of larger frame sizes results in greater throughput in low interference environments.

PW0-104 Wireless LAN Administration Practice Exam Set 2

What factors will have the most significant affect on the amount of wireless bandwidth available to each station within a BSS? (Choose two)


Options are :

  • The presence of co-located (10m away) access points on non-overlapping channels
  • The power management settings in the access point's beacons
  • The data rates at which nearby client stations are transmitting and receiving data
  • The number of client stations associated to the BSS

Answer : The data rates at which nearby client stations are transmitting and receiving data The number of client stations associated to the BSS

What features were introduced in the IEEE 802.11h amendment in order to uphold regulatory requirements for 5 GHz operation? (Choose two)


Options are :

  • Frequency Shift Keying (FSK)
  • Automated Radio Measurement (ARM)
  • Dynamic Frequency Selection (DFS)
  • Radio Resource Management (RRM)
  • Transmit Power Control (TPC)
  • Automated Radio Measurement (ARM)

Answer : Dynamic Frequency Selection (DFS) Transmit Power Control (TPC)

What term correctly completes the following sentence?802.11a/b/g used a mandatory 800ns guard interval. 802.11n introduces an optional short 400ns guard interval. Guard intervals (GI) are necessary in OFDM to reduce the likelihood of interference between two consecutive ____________.


Options are :

  • Segments
  • Packets
  • Frames
  • Symbols

Answer : Symbols

PW0-204 Certified Wireless Security Professional (CWSP) Exam Set 4

What advantages does using predictive site survey modeling software offer over performing a manual site survey? (Choose two)


Options are :

  • Predictive modeling software provides more reliable data than manual surveys when fine-tuning and validating access point placement after the installation.
  • The exact impact of interference sources from external networks can be more accurately measured when using predictive modeling software than with manual surveys.
  • Predictive modeling software makes it simple to assess multiple different AP locations and then adjust and display the AP's expected coverage pattern in almost real-time.
  • It takes less time to create an initial site survey for a large facility when using predictive modeling software than when performing a manual survey.
  • Predictive modeling software can predict the ideal access point location 100% of the time, whereas the results from manual surveying are less reliable.

Answer : Predictive modeling software makes it simple to assess multiple different AP locations and then adjust and display the AP's expected coverage pattern in almost real-time. It takes less time to create an initial site survey for a large facility when using predictive modeling software than when performing a manual survey.

In a Wi-Fi client configuration utility, what feature is most likely to be user configurable?


Options are :

  • 802.1p to WMM mappings
  • EAP Authentication Type
  • RADIUS Server IP Address
  • SNMPv3 Users
  • WMM-PS Dozing Interval

Answer : EAP Authentication Type

In WLAN security, which authentication methods always create Layer 2 dynamic encryption keys? (Choose two)


Options are :

  • HTTPS Captive Portal
  • WEP
  • EAP-TLS
  • WPA2-PSK

Answer : EAP-TLS WPA2-PSK

PW0-105 Certified Wireless Network Administrator Exam Set 2

As XYZ Company's wireless specialist, you have been asked to troubleshoot some unexpected frame patterns in a wireless protocol capture. Your peers explain that the network's beacon frames are inconsistent. That is, the BSSID is the same for all beacons, but the source address varies between three different addresses.What network configuration would cause this beacon frame behavior?


Options are :

  • The beacons are from an IBSS instead of a BSS
  • A virtual cell single channel network has been implemented
  • Three APs still share the same default configuration.
  • A single AP supports multiple BSSs with different SSIDs

Answer : The beacons are from an IBSS instead of a BSS

What item is essential for performing a manual RF site survey for a warehouse facility?


Options are :

  • A facility map with an explanation of applications used in each area
  • Predictive site survey software that supports directional antennas
  • High-gain omni antennas for APs mounted high on warehouse ceilings
  • I-Beam mounting kits for hanging temporary access points

Answer : A facility map with an explanation of applications used in each area

PW0-071 Certified Wireless Technology Specialist Sales Exam Set 1

What is an advantage of using WPA2-Personal instead of WEP-128 as a security solution for 802.11 networks?


Options are :

  • WPA2-Personal is based on IEEE 802.11 industry standards, but WEP is not.
  • WPA2-Personal uses 802.1X/EAP for authentication, and WEP-128 uses preshared keys.
  • WPA2-Personal uses dynamic encryption keys, and WEP-128 uses static keys.
  • WPA2-Personal uses CCMP for encryption, and WEP-128 uses TKIP for encryption.

Answer : WPA2-Personal uses dynamic encryption keys, and WEP-128 uses static keys.

Which antenna types are commonly used by indoor Wi-Fi devices in a MIMO diversity implementation? (Choose two)


Options are :

  • Patch
  • Dish
  • Grid
  • Dipole

Answer : Patch Dipole

When compared with legacy Power Save mode, how does WMM-PS improve voice device and application performance?


Options are :

  • WMM-PS uses a trigger-and-delivery method that eliminates the need for PS-Poll exchanges
  • WMM-PS identifies and prioritizes incoming VoIP data and delivers it immediately
  • WMM-PS requires scheduled service periods for predictable uplink data delivery.
  • WMM-PS allows the WLAN transceiver to disable more components when in a low power state.

Answer : WMM-PS uses a trigger-and-delivery method that eliminates the need for PS-Poll exchanges

PW0-105 Certified Wireless Network Administrator CWNA Exam Set 4

What is required to establish a high quality 2.4 GHz RF link at a distance of 3 miles (5 kilometers)?


Options are :

  • A minimum antenna gain of 13 dBi at both endpoints
  • Accurate Earth Bulge calculations
  • Minimum output power level of 1 W
  • A Fresnel Zone that is at least 60% clear of obstructions
  • Directional antennas at each endpoint

Answer : A Fresnel Zone that is at least 60% clear of obstructions

Given: You are on-site to perform a post-deployment site survey. When verifying a multiple channel VoWiFi deployment using a VoWiFi handset, which aspect is most important?


Options are :

  • Performing protocol analysis with a single wireless adapter that is scanning all channels in use
  • When performing a site survey for a Multiple Channel Architecture (MCA) system in a multi-tenant building with six floors, what aspect should you, as the site surveyor, keep in mind?
  • Verifying the orientation/polarity of all omni-directional antennas in use by the VoWiFi clients.
  • Configuring DSCP-to-802.11e QoS maps on the handset for each access category
  • Testing a constant conversation or handset tone while roaming from area to area, or performing an active survey

Answer : Testing a constant conversation or handset tone while roaming from area to area, or performing an active survey

What is a common feature of an 802.11 WLAN client utility? (Choose two)


Options are :

  • Spectrum analyzer utility
  • AP Signal strength meter
  • Real-time retry monitor
  • Link statistics display
  • VLAN configuration

Answer : AP Signal strength meter Link statistics display

PW0-105 Certified Wireless Network Administrator Exam Set 4

Given:You have been sent as a consultant to a customer site that is experiencing problems with some 2.4 GHz clients on their 802.11a/g network. After collecting information from the company about the problem, your initial troubleshooting step is to find a client device experiencing performance problems and observe its 802.11 frame exchanges in a protocol analyzer. The retransmission rate for that client is 65% instead of the company's baseline, which is 9%.Based on this information, what troubleshooting step should follow to isolate the problem?


Options are :

  • With a protocol analyzer, identify the client's roaming threshold settings and reassociation behavior.
  • Utilize a laptop-based site survey and planning tool to create a predictive model of the optimal AP placement in the customer's facility.
  • Evaluate the client's operating frequency band with a spectrum analyzer, looking for a high noise floor or interference sources.
  • Check the frame decodes in the protocol analyzer and look for an excessive number of deauthentication frames.

Answer : Evaluate the client's operating frequency band with a spectrum analyzer, looking for a high noise floor or interference sources.

What statements about the beamwidth of an RF antenna are true? (Choose two)


Options are :

  • The beamwidth patterns on an antenna polar chart indicate the point at which the RF signal stops propagating.
  • Horizontal and vertical beamwidth are calculated at the points in which the main lobe decreases power by 3 dB.
  • The lower the gain of an antenna, the more narrow one or both beamwidths become.
  • Horizontal beamwidth is displayed (in degrees) on the antenna's Azimuth Chart.

Answer : Horizontal and vertical beamwidth are calculated at the points in which the main lobe decreases power by 3 dB. Horizontal beamwidth is displayed (in degrees) on the antenna's Azimuth Chart.

In addition to throughput enhancements, what other improvements does 802.11n provide when compared with 802.11a/g? (Choose 2)


Options are :

  • Improves service quality for real-time applications at greater distances
  • Introduces "fast transition" roaming protocols for VoWiFi phones
  • Increases in receive sensitivity enhance RTLS location accuracy E. Stronger security with more robust encryption modes.
  • Better link reliability between 802.11a/b/g client devices and 802.11n APs

Answer : Improves service quality for real-time applications at greater distances Better link reliability between 802.11a/b/g client devices and 802.11n APs

PW0-204 Certified Wireless Security Professional (CWSP) Exam Set 5

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