1 07 2015

CISCO  OFFICIAL NEWS: Cisco 640-722 Exam Questions has been updated!

Get Prepared with fully updated Cisco 640-722 Real Exam Questions and Accurate Answers for 640-722 Exam Dumps. Braindump2go IT experts review the 640-722 newly added qustions and suggest Correct Cisco 640-722 Exam Questions Answers in Real Time. 100% Pass easily!

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QUESTION 1
To implement a more secure means of communication for voice and data, what technology successfully resists interference by utilizing a wider bandwidth than needed for the transmitting signal?

A.    Spread Spectrum
B.    Microwave
C.    Extended U-NII2
D.    ISM Bands

Answer: A

QUESTION 2
An 802.11g network is experiencing intermittent signal degradation and Spectrum Analyzer is being used to try and locate the problem. What two interferers would likely be identified? (Choose two.)

A.    multiple cell phones
B.    microwave oven
C.    FM Radio
D.    cordless phone
E.    document scanner

Answer: BD

QUESTION 3
A wireless bridge is being installed near an airport. An organization informs the city council about complying with max power levels that could be used and settings on any 5GHz channels used that might interfere with the airport radar. What organization is this?

A.    Institute of Electrical and Electronics Engineers
B.    Internet Engineering Task Force
C.    Federal Communications Commission
D.    Wireless Fidelity Alliance

Answer: C

QUESTION 4
An installation uses a 21dBi parabolic dish. It is connected to the 802.11n radio via low loss antenna coax rated at 4dB loss/100 feet. After testing, it has been determined that 2mW of power will be lost in the cable. An EIRP producing 200mW is desired. What should the transmit power be set to?

A.    8mW
B.    3dBm
C.    3.16mW
D.    5mW

Answer: C

QUESTION 5
An engineer is seeing a pattern closest to that of an Isotropic Radiator. What other antenna will produce a similar pattern?

A.    5 dBi patch
B.    13.5 dBi Yagi
C.    2.2 dBi omni
D.    21 dBi parabolic

Answer: C

QUESTION 6
When using multiple SSIDs on a lightweight AP, how does the traffic of each SSID reach the 802.3 network?

A.    provide routing between them at the core so that the SSIDs can reach the internet
B.    configure 802.11q trunking on the Ethernet switch port that is connected to the AP
C.    configure ACLs at the switch port that will allow all desired SSIDs to pass traffic
D.    configure the SSIDs on the WLC and it will regulate the traffic based on traffic type

Answer: B

QUESTION 7
Refer to the exhibit. Based on the diagram, what two design requirements must be met? (Choose two.)
 

A.    WGB is Autonomous
B.    WGB is Universal
C.    WGB can be Autonomous or Universal
D.    Upstream AP is Aironet
E.    Upstream AP is not Aironet
F.    Upstream AP can be any make/model

Answer: AD

QUESTION 8
What 802.1x role is responsible for moving a port to the authorized state?

A.    Supplicant
B.    Authenticator
C.    Authentication Server
D.    RADIUS Server

Answer: B

QUESTION 9
How many types of control frames are only used in PCF mode?

A.    0
B.    1
C.    2
D.    3
E.    4
F.    5

Answer: D

QUESTION 10
An engineer is gathering information for a wireless survey of a hospital. What three pieces of information must be collected for an active survey to assess the outcome best suited for the facility? (Choose three.)

A.    presence of microwave ovens
B.    number of patients that are at the facility
C.    utilization of Location Services or voice applications
D.    floor plans of adjacent facilities
E.    use of wireless for secure records
F.    spectrum analysis to locate all the computer work stations
G.    existing Network Switch types and model numbers
H.    type of devices present on the new wireless network

Answer: ACH

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