Actual 400-351 Cisco Certified Internet Expert Wireless (CCIE Wireless) Exam Question Answer

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Version: 15.0
Question: 1

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: B C D F

Question: 2

Refer to the exhibit.

Which option describes what this sequence of commands achievers on a Cisco Autonomus AP?

A. This example shows how to permit SNMP access to all objects with read-only permission to only those three specific IP addresses using the community string public. The access point also sends config traps to the hosts 192.180.1.111 and 192.180.1.33 using SNMPv1 and to the host 192.180.1.27 using SNMPv2C. The community string public is not sent with the traps because is the default community value.
B. This example shows how to permit SNMP access to all objects with read-only permission to only those three specific IP addresses using the community string public. The access point also sends config traps to the hosts 192.180.1.111 and 192.180.1.33 using SNMPv1 and to the host 192.180.1.27 using SNMPv2C. The community string public is not sent with the traps.
C. This example shows how to permit any SNMP manager to access all objects with read-only permission using the community string public. The access point also sends config traps to the hosts 192.180.1.111 and 190.180.1.33 using SNMPv1 and to the host 192.180.1.27 using SNMPv2C. The community string public is not sent with the traps as this is the default community value.
D. This example shows how to permit any SNMP manager to access to all objects with read-only permission using the community string public. The access point also sends config traps to the hosts 192.180.1.111 and 190.180.1.33 using SNMPv1 and to the host 192.180.1.27 using SNMPv2C. The community string public is sent with the traps.

Answer: D

Explanation:

http://www.cisco.com/c/en/us/support/docs/ip/simple-network-management-protocol-snmp/7282-12.html
Confirmed: test in my demo switch, public default is ro

Question: 3

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: 4

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: 5

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: 6

DRAG DROP
Drag and drop the CAPWAP event on the left into the order in which they occur on the right during the WLC discovery and join processes.

Answer:

Question: 7

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

Explanation:
AP Call Capacity
A key part of the planning process for a VoWLAN deployment is to plan the number of simultaneous voice streams per AP. When planning the voice stream capacity of the AP, consider the following points:

Note: A call between two phones associated to the same AP counts as two active voice streams.
The actual number of voice streams a channel can support is highly dependent on a number of issues, including environmental factors and client compliance to WMM and the Cisco Compatible Extension specifications. Figure 9-11 shows the Cisco Compatible Extension specifications that are most beneficial to call quality and channel capacity. Simulations indicate that a 5 GHz channel can support 14-18 calls. This means a coverage cell can include 20 APs, each operating on different channels, with each channel supporting 14 voice streams. The coverage cell can support 280 calls. The number of voice streams supported on a channel with 802.11b clients is 7; therefore, the coverage cell with three APs on the three non-overlapping channels supports 21 voice streams.
Figure 9-11 Cisco Compatible Extension VoWLAN Features

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