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Why is SSID filtering not considered a secure form of access control?


A) SSID is uni-casted in the clear to every access point beacon by default.
B) The SSID of a wireless LAN client must match the SSID on the access point in order for the client to authenticate and associate to the access point.
C) SSID of a network can be easily found out using a protocol analyzer.
D) SSID encryption is easy to decrypt using freeware utilities.

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You need to connect two wired networks together that currently share no network connectivity between them. Which mode would the access points need to be placed in if the networks use only access points to connect the networks?


A) Root mode
B) Repeater mode
C) Gateway mode
D) Bridging mode

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Which spread spectrum technology specifies data rates of 22 Mbps and 33 Mbps?


A) DSSS
B) OFDM
C) PBCC
D) FHSS

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A wireless LAN installation has a 50-meter cable running between access point and a highly-directional antenna. The output signal sent and received is very weak at each end of the link. Which of the following devices should you add to the configuration to fix the problem?


A) Uni-directional amplifier
B) Uni-directional attenuator
C) Bi-directional amplifier
D) Bi-directional attenuator

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Which of the following information on a wireless LAN is encrypted and WEP-enabled?


A) The MAC addresses of the frame
B) Beacon management frames
C) The data payload of the frame
D) Shared Key challenge plaintext

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Which of the following will cause the station to stay awake and wait to receive data if a BSS station is in Power Save mode?


A) An ATIM sent to the station
B) A broadcast that does not contains a DTIM
C) Sending a frame with the More Data field set to 1
D) A TIM that contains the stations AID

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Which of the following is a function of the beacon frame?


A) Load balancing all clients across multiple access points
B) Broadcasting the SSID to enable clients to connect to the access point
C) Asynchronizing the time between the access point and clients
D) Allowing client authentication with the access point when using Shared Key authentication

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Which of the following best defines a noise floor?


A) The noise generated as a result of foot traffic
B) The level of RF noise in the wireless LAN environment
C) A fixed level of noise of -100 dBm in a wireless LAN
D) The level of noise at which a wireless LAN starts working

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Which of the following specifies the number of phase shifts provided by DQPSK?


A) 5
B) 4
C) 3
D) 7

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What is the maximum percentage of Fresnel zone that should not be blocked to maintain a reliable communications link?


A) 20 percent
B) 40 percent
C) 50 percent
D) 60 percent

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Which of the following medium access methods supports QoS requirements under the 802.11e amendment?


A) Enhanced Distributed Coordination Function
B) Singular Coordination Function
C) Point Coordination Function
D) Hybrid Coordination Function Controlled Access

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What is the ratio between the maximum peak voltage and minimum voltage on a line called?


A) Signal flux
B) EIRP
C) VSWR
D) Signal transient

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Which of the following parameters should you record to perform a site survey?


A) Microwave energy levels
B) Noise floor
C) Signal-to-noise ratio
D) Noise margin

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Which of the following is not a criterion for WEP implementation, as per the 802.11 standard?


A) Exportable format
B) Reasonably Strong security
C) Self-Synchronizing feature
D) Mandatory encryption

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Which of the following factors does not affect the size of a BSA coverage area of an access point?


A) Antenna gain
B) CSMA/CA
C) Transmission power
D) Physical surroundings

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You need to allow outdoor users to connect to your network via a wireless LAN. Which of the following features would allow you to use an indoor access point with an outdoor antenna?


A) Antenna diversity
B) Detachable antennas
C) Plug and play support
D) Modular radio cards

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What is the default configuration mode that allows an AP radio to operate in a basic service set?


A) Repeater
B) Root
C) Access
D) Non-root

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Which of the following statements is true when transmitting fragmented frames in an environment where frame retransmission is common?


A) The overall number of bits transmitted will always be greater than if fragmentation was disabled.
B) The overall number of bits transmitted will always be less than if fragmentation was disabled.
C) Data throughput may decrease.
D) Data throughput will remain constant.

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Which of the following best defines antenna beamwidth?


A) Width of the antenna main element
B) Width of the RF signal beam that the antenna transmits
C) Width of the mounting beam on which the antenna is mounted
D) Width of the beam of the RF signal relative to the Earth's surface

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Which of the following wireless client devices is not a plug-n-play device?


A) USB Client
B) ISA Card
C) PCMCIA Card
D) Compact Flash Card

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