Free 400-351 Exam Questions Free Download – [Dec-2017 Dumps]

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Latest and Most Accurate Cisco 400-351 Dumps Exam Questions and Answers:

Version: 15.0
Question: 21

Which option is a feature of a Cisco Autonormous AP that prevents over-the-air direct P2P communication, which forces all traffic to hit the first-hop router where security policy is enforced?

A. Wi-Fi Direct Client Policy
B. P2P Secure Packet Public
C. Secure Packet Forwarding
D. P2P Blocking Action

Answer: C

Explanation:
http://docwiki.cisco.com/wiki/Wireless_Technologies
Cisco Aironet Access Points
http://www.cisco.com/web/techdoc/wireless/access_points/online_help/eag/123-02.JA/1400BR/h_ap_network-if_802-11_c.html
Public Secure Packet Forwarding
Public Secure Packet Forwarding (PSPF) prevents client devices associated to an access point from inadvertently sharing files or communicating with other client devices associated to the access point. It provides Internet access to client devices without providing other capabilities of a LAN.
No exchange of unicast, broadcast, or multicast traffic occurs between protected ports. Choose Enable so that the protected port can be used for secure mode configuration.
PSPF must be set per VLAN.
Note: To prevent communication between clients associated to different access points on your wireless LAN, you must set up protected ports on the switch to which your access points are connected.
Wi-Fi Direct Client Policy | Security and Network Management J Cisco Support Community
https://supportforums.cisco.com/discussion/11851216/wi-fi-direct-client-policy
Information About the Wi-Fi Direct Client Policy
Devices that are Wi-Fi Direct capable can connect directly to each other quickly and conveniently to do tasks such as printing, synchronization, and sharing of data. Wi-Fi Direct devices may associate with multiple peer-to-peer (P2P) devices and with infrastructure wireless LANs (WLANs) concurrently. You can use the controller to configure the Wi-Fi Direct Client Policy, on a per WLAN basis, where you can allow or disallow association of Wi-Fi devices with infrastructure WLANs, or disable Wi-Fi Direct Client Policy altogether for WLANs.
http://www.cisco.com/c/en/us/td/docs/wireless/controller/7-4/configuration/guides/consolidated/b_cg74_CONSOLIDATED/b_cg74_CONSOLIDATED_chapter_01000011.html

Question: 22

Refer to the exhibit. Which three statements about this extract of the configuration of an autonomous AP are true? (Choose three)

A. This configuration is of a non-root bridge access point.
B. The RADIUS server IP address I misconfigured. It points to the AP itself. Which creates a loop for the RADIUS packets.
C. This configuration allows bridging of VLANs 3 and 4.
D. The SSID is not visible for clients proting the wireless medium.
E. The administrator cannot access the AP via the web GUI using a secure connection.
F. The native VLAN must be VLAN 1 to match the native VLAN configured on the switch to which the AP is connecting.

Answer: CDE

Explanation:
Root bridge + basic Config of Autonomous AP + AP SSID boardcast -(=mbssid guest-mode)
https://supportforums.cisco.com/document/61936/autonomous-ap-and-bridge-basic-configuration-template#Configurationon_Non_Root_bridge
Local Radius
http://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/116580-configure-eapfast-00.html

Question: 23

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You are getting the following error message. Which reason for this issue true?
%DOT11-4-CANT_ASSOC Interface Dot 11 Radio0. Cannot associate NO Aironet Extension IE.

A. “dot11 extension ” 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 point.

Answer: A

Explanation:

http://www.cisco.com/c/en/us/td/docs/wireless/access_point/12-2_11_JA/configuration/guide/b12211sc/s11rep.html

Question: 24

You have received a new Cisco 5760 Controller and have gone through the initial startup wizard. You are now trying to add APs to the controller, but these are not joining.
Which three checks should you do next? (Choose three.)

A. Check that the radios are not in a shutdown state.
B. Check the country code of the controller. The APs do not join the controller if the country code does not match.
C. Check that the correct time is set on the controller.
D. Check that option 53 has been set in the DHCP scope.
E. Check that the controller has enough AP licenses.
F. Check that the controller has been configured with the correct hostname. Otherwise, DNS resolution fails.

Answer: BCE

Explanation:

Question: 25

You are installing Converged Access controllers that run Cisco IOS-XE and you are ready to implement QoS. From the below, choose all the possible QoS target levels that would apply to downstream traffic (toward the client)?

A. Client, SSID, Radio, Port
B. Client, SSID, Radio
C. Client, Radio
D. Client, SSID

Answer: A

Explanation:

http://www.cisco.com/en/US/docs/switches/lan/catalyst3850/software/release/3.2_0_se/multibook/configuration_guide/b_consolidated_config_guide_3850_chapter_010010.html

Question: 26

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