Free 400-351 Questions for Cisco 400-351 Exam

Question #1

What are two general SDN characteristics? (Choose two.)

A. OpenFlow is considered one of the first Northbound APIs used by SDN controllers.

B. The separation of the control plane from the data plane.

C. Southbound interfaces are interfaces used between the control plane and the data plane.

D. OVSDB is an application database management protocol.

E. Northbound interfaces are open interfaces used between the control plane and the data plane.

Discussion 0

Correct Answer: B,C Vote an answer

Question #2

Which statement about heat maps on Cisco WCS is true?

A. They are based on real-time actual values if Cisco Compatible Extensions is enabled on the APs.

B. They are predictive but can be converted to real values by using the Refresh from network button.

C. They are based on real-time actual values because of fingerprinting.

D. They are predictive and rely only on the accuracy of the information that is provided with the map.

Discussion 0

Correct Answer: D Vote an answer

Question #3

Which two characteristics of an loT network are true? (Choose two.)

A. The transmission rate in an loT network is consistent.

B. loT networks are 100% reliable

C. loT networks use IS-IS for routing.

D. loT networks must be designed for low-powered devices.

E. loT networks are bandwidth constrained

Discussion 0

Correct Answer: D,E Vote an answer

Question #4

You are trying to connect a Cisco wireless phone to your network. Based on the device manual, Admission Control must be enabled on the wireless network for the device to connect. When you enable Admission Control, you get an error message and the operation is aborted. What is the root of the problem?

A. You cannot enable Admission Control if the radio is enabled.

B. The wireless phone is incompatible with the wireless infrastructure.

C. Admission Control is an unsupported feature of Cisco APs unless the client supports CCXv5.

D. Admission Control is not supported in all radios. Verify that the wireless phone is connecting to the correct radio.

Discussion 0

Correct Answer: A Vote an answer

Question #5

Refer to the exhibit. You are configuring an autonomous AP in WGB mode. You configure d1 radio as shown in the exhibit. Which command must you use on the root bridge to ensure the successful negotiation of a link?
WBG(config-if) # interface d1
WBG(config-if) # mobile station scan 5180 5200 5220 5240

A. RB(config-if)# interface d1
RB(config-if)# mobile station 5180 5200 5220 5240

B. RB(config-if)# interface d1
RB(config-if)# mobile station 5180

C. RB(config-if)# interface d0
RB(config-if)# channel 5180 5200 5220 5240

D. RB(config-if)# interface d1
RB(config-if)# channel 5180

Discussion 0

Correct Answer: D Vote an answer

Question #6

What are the three components that are used within the authentication process on an
802.1x/EAP- enabled WLAN? (Choose three.)

A. wireless web server

B. key management server

C. authentication server

D. supplicant

E. Cisco WCS

F. authenticator

Discussion 0

Correct Answer: C,D,F Vote an answer

Question #7

During the startup Wizard process on the Cisco 57760 WLC, which two configuration are required within the configuration dialogue to ensure basic network connectivity of the controller to the management network? (choose two)

A. configuration of the controller Hostname

B. configuration of the enable secret password

C. configuration of the network time protocol server

D. configuration of the wireless management interface

E. configuration of the GigabitEthernet 0/0 interface

Discussion 0

Correct Answer: B,E Vote an answer

Question #8

You are troubleshooting a voice over wireless problem and you notice that the voice quality is very poor. You take a wireless sniffer trace and you see that it is marked as best effort. What is the correct user priority and respective DSCP values for voice packets?

A. 6, EF46

B. 4, AF31

C. 6, AF31

D. 5, EF46

Discussion 0

Correct Answer: D Vote an answer

Question #9

Which of the following organizations certifies WLAN product compatibility and interoperability between vendors by providing certification testing?

A. ETSI

B. CCX

C. IEEE

D. Wi-Fi Alliance

E. FCC

Discussion 0

Correct Answer: D Vote an answer

Question #10

Drag and Drop Question
Refer to the exhibit.

Drag and drop steps of the 802.1x authentication process on the left to the corresponding number on the right.

Discussion 0

Correct Answer:

Question #11

When a FlexConnect AP is in the "local authentication,local switching" state, it handles client authentication and switches client data packets locally. This state is valid in standalone mode and connected mode. Which three statements about a FlexConnect AP are true? (Choose three).

A. Local authentication is useful where you cannot maintain a remote office setup of a minimum bandwidth of 128 kbps with the round-trip latency no greater than 100 ms and the maximum transmission unit no smaller than 576 bytes.

B. In connected mode, the access point provides minimal information about the locally authenticated client to the controller. However, this information is available to the controller policy type., access VLAN, VLAN name, supported rates, encryption cipher.

C. In connected mode, the AP provides minimal information about the locally authenticated client to the controller. This information is not available on the controller policy type. Access VLAN. VLAN name. supported rates. Encryption ciphter.

D. Local authentication is useful where you cannot maintain a remote office setup of a minimum bandwidth of 128 kbps with the round-trip latency no greater than 150 ms and the maximum transmission unit no higher than 500 bytes.

E. Local authentication can be enabled only on the WLAN of a FlexConnect AP that is in local switching mode.

F. Local authentication in connected mode does not require any WLAN configuration.

Discussion 0

Correct Answer: A,C,E Vote an answer

Question #12

A wireless engineer is configuring an autonomous access point and wants to make sure that client at the edge of the cell has the best possible reception of multicast frames. How must multicast frames be transmitted to achieve this goal?

A. at the highest configured basic rate

B. from a dedicated radio interface

C. at a highest configured mandatory rate

D. at the lowest configured basic rate

Discussion 0

Correct Answer: D Vote an answer

Question #13

An autonomous AP is configured with the infrastructure -client command.
What is this command used for ?

A. to allow only infrastructure device associations

B. to enable multiple VLANs to cross the bridge link

C. to send reliable multicast traffic

D. to allow more than 20 client associations

Discussion 0

Correct Answer: C Vote an answer

Question #14

A clause 15 radio uses ___________ and supports data rates of ___________ .

A. FHSS, 1 Mb/s and 2 Mb/s

B. DSSS, 1 Mb/s up to 11 Mb/s

C. DSSS, 1 Mb/s and 2 Mb/s

D. FHSS or DSSS, 1 Mb/s up to 11 Mb/s

Discussion 0

Correct Answer: C Vote an answer

Question #15

What is the minimum VMware ESXi version you need to install Cisco prime infrastructure 2.2 virtual appliance?

A. ESxi 5.5

B. ESxi 5.1

C. ESxi 4.1

D. ESxi 4.0

E. ESxi 5.0

Discussion 0

Correct Answer: E Vote an answer

Free 400-351 Questions for Cisco CCIE Wireless Written 400-351 Exam as PDF & Practice Test Engine

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