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Home Cisco® 400-351

Cisco® 400-351 Exam Practice Questions (P. 1)

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Question #1
Which two security features are associated with a wireless network employing 802.11i configured as a Robust Security Network? (Choose two.)
  1. A
    WEP
  2. B
    AES-CCMP
  3. C
    802.11x
  4. D
    IPsec
  5. E
    TKIP
  6. F
    802.1x

Correct Answer:
BF

Question #2
Before conducting a passive RF site survey with a standalone AP, which two of these should be statically configured on the AP? (Choose two.)
  1. A
    passive client
  2. B
    channel assignment
  3. C
    DTPC
  4. D
    Tx power level
  5. E
    channel scan defer priority

Correct Answer:
BD

Question #3
After interviewing a customer to understand wireless client requirements, you determine that 802.11b must be enabled to support legacy clients within a mixed- mode environment. Which recommendation will have the greatest impact on mitigating the effects of 802.11b clients on the rest of the network?
  1. A
    Restrict OFDM modulation from being used.
  2. B
    Make 11 Mb/s the lowest mandatory rate.
  3. C
    Enable a separate SSID for 802.11b clients.
  4. D
    Enable a short preamble.

Correct Answer:
B

Question #4
In a Cisco Unified Wireless Network environment, which two of these are required in order for clients to connect with MCS data rates? (Choose two.)
  1. A
    EDCF
  2. B
    client MFP
  3. C
    multiple spatial streams
  4. D
    AES-CCMP
  5. E
    40-MHz channels

Correct Answer:
AD

Question #5
The 802.11-2007 standard includes which two amendments to the original 802.11 standard? (Choose two.)
  1. A
    802.11c
  2. B
    802.11d
  3. C
    802.11j
  4. D
    802.11r
  5. E
    802.11u

Correct Answer:
BC

Question #6
You are designing a wireless network utilizing EAP-TLS. One design requirement is to provide per-user differentiated QoS using only one SSID. What is the best way to achieve this goal? www.Yesuse.com
  1. A
    using WMM override
  2. B
    using Cisco Airespace VSAs
  3. C
    using QoS Enhanced BSS
  4. D
    using AP groups

Correct Answer:
B

Question #7
What does the letter P in the designation of the AIR-CAP3502P AP indicate?
  1. A
    The AP supports the new IEEE 802.11p (WAVE) wireless standard.
  2. B
    The AP requires professional installation.
  3. C
    The AP can be used in plenum applications.
  4. D
    The AP is compatible with polarization type antennae.

Correct Answer:
B

Question #8
You are converting your wireless infrastructure from a data-only design to a location services design.
Which task do you need to complete?
  1. A
    Disable the DSSS speeds for RFID compatibility.
  2. B
    Use fewer APs to avoid RFID 3D imaging.
  3. C
    Set APs to maximum power for RF fingerprinting.
  4. D
    Locate APs at the edges of your coverage area for trilateration.

Correct Answer:
D

Question #9
Which statement about heat maps on Cisco WCS is true?
  1. A
    They are predictive and rely only on the accuracy of the information that is provided with the map.
  2. B
    They are based on real-time actual values if Cisco Compatible Extensions is enabled on the APs.
  3. C
    They are predictive but can be converted to real values by using the Refresh from network button.
  4. D
    They are based on real-time actual values because of fingerprinting.

Correct Answer:
A

Question #10
A clause 15 radio uses ___________ and supports data rates of ___________ . www.Yesuse.com
  1. A
    FHSS or DSSS, 1 Mb/s up to 11 Mb/s
  2. B
    DSSS, 1 Mb/s and 2 Mb/s
  3. C
    FHSS, 1 Mb/s and 2 Mb/s
  4. D
    DSSS, 1 Mb/s up to 11 Mb/s

Correct Answer:
B

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