[Full Version] 2016 Updated Lead2pass Cisco 400-351 Exam Questions (1-10)

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Following questions and answers are all new published by Cisco Official Exam Center: http://www.lead2pass.com/400-351.html

QUESTION 1
Which two effects does TSPEC-based adminission control have as it relates to WMM clients?(Choose two.)

A.    Deny clients access to the WLAN that do not support WMM.
B.    Allow access only for VOWLAN traffic when interference is detected.
C.    Enforce airtime entitlement for wireless voice applications.
D.    Ensure that call quality does not degrade for existing VoWLAN calls.
E.    Deny clients access to the WLAN if they do not comply with the TERP standard.

Answer: BE

QUESTION 2
On a Cisco autonomous AP, the maximum number of attempts to send a packet (packet retries) is set to 32 by default.
Which statement about the result when the AP has tried to send a packet for that number of attempts and no response is received from the client is true?

A.    The access point drops the packet.
B.    The client MAC address is excluded for 60 seconds.
C.    The access point resets the radio interface.
D.    The access point disassociates the client.

Answer: A

QUESTION 3
Which option describes the function of the Intercloud Fabric Extender?

A.    It provides the network overlay functionality between the used clouds or cloud models.
B.    It establishes a secure site-to-site tunnel to the intercloud fabric agent in the private cloud.
C.    It applies network policies and collects and reports VEM-related intercloud statistics.
D.    It establishes a secure site-to-site tunnel to the intercloud fabric switch in the provider cloud.

Answer: D

QUESTION 4
Which two effects does TSPEC-based admission control have as it relates to WMM clients? (Choose two)

A.    Deny clients access to the WLAN that do not support WMM
B.    Allow access only for VoWLAN traffic when interference is detected.
C.    Enforce airtime entitlement for wireless voice applications.
D.    Ensure that call quality does not degrade for existing VoWLAN calls.
E.    Deny clients access to the WLAN if then do not comply with the TERP standard.

Answer: CD

QUESTION 5
Which four options are the HTTP methods supported by a reset API?

A.    RETRIEVE
B.    GET
C.    PUT
D.    DELETE
E.    COPY
F.    POST
G.    SET

Answer: BCDF

QUESTION 6
Which memchanism incorporates the channel capacity into the CAC determination and gives a much more accurate assessment of the current call carrying capacity of the AP?

A.    Static CAC.
B.    Reserved roaming bandwidth(%).
C.    Expedited bandwidth.
D.    Metrics collection.
E.    Load-based AC.
F.    Max RF bandwidth (%).
G.    Admission control.

Answer: E

QUESTION 7
You are setting up a Cisco access point in repeater mode with a non-Cisco access point as the parent and you use this interface configuration on your Cisco access point.

You are getting the following error message. Which reason for this issue is true?

A.    “dot11 extension aironet” is missing under the interface Dot11Radio 0 interface
B.    When repeater mode is used, unicast-flooding must be enabled to allow Aironet IE communications.
C.    The parent AP MAC address has not been defined.
D.    Repeater mode only works between Cisco access points.

Answer: A

QUESTION 8
A Cisco Unified 7925G Wireless IP Phone is operating on the 5 GHz band and transmitting at a power level of 40 mW. Which configuration must be done on the controller to avoid one-way audio?

A.    In DCA, enable UNII-1 channels only.
B.    Set the maximum power level assignment to 26 dBm.
C.    In DCA, enable UNII-II channels only.
D.    Set the maximum power level assignment to 16 dBm.

Answer: D

QUESTION 9
Your customer is having wireless VoIP problems. When the Cisco 7925 phones roam from AP1 to AP2, the voice drops out and comes back. The phones are set up for PEAP/WPA2-AES with CCKM to an external RADIUS server. The APs and WLAN are setup up in FlexConnect mode. Which statement explains the issue?

A.    The APs have not been added to the FlexConnect group.
B.    PEAP with WPA2-AES is not supported with Cisco Centralized Key Management, use EAP-FAST.
C.    PEAP with WPA2-AES is not supported with Cisco Centralized key Management, use LEAP.
D.    The APs have been added to the FlexConnect Group.

Answer: A

QUESTION 10
Which option in the Cisco Identity Services Engine checks that the user authentication comes from a domain computer?

A.    It is not possible to validate the computer domain membership through ISE.
B.    Group Policy Objects
C.    Machine Access Restriction
D.    Active Directory Attributes.
E.    An identity source sequence can be used to perform this check.

Answer: D

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