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Huawei H12-351_V1.0 - HCIE-WLAN (Written) V1.0

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Total 163 questions

Which of the following statements are true about Huawei ' s smart roaming solution?

A.

In high-density coverage scenarios, STAs generally have good signals. Smart roaming can enable STAs to associate with APs that have better signals, significantly improving channel performance.

B.

The smart roaming solution resolves the sticky STA problem and enables STAs to proactively roam to the optimal AP.

C.

Smart roaming enables each STA to associate with the nearest AP.

D.

In common coverage scenarios, STAs with poor signal strength are steered to APs with better signal strength, improving service experience for users and overall channel performance.

A key technology in Huawei ' s free mobility solution is to synchronize association information between users and security groups to other devices. Which of the following statements are true about the synchronization method?

A.

Group information can be carried to other devices through user traffic

B.

Global synchronization can be performed through the controller.

C.

A dedicated protocol can be used to synchronize user-security group association information between devices.

D.

Synchronization can be manually configured by the administrator.

When an 802.IX client uses MDS encryption, the user authentication mode can be set to EAP or CHAP on the device. When an 802. IX client uses PEAP authenticatwn, the user authentication mode can be set

to______on the device. (Enter the acronym in uppercase letters.)

What are the disadvantages of using a standalone WAC, instead of the native WAC, to deploy a wireless network?

A.

More possible failure nodes

B.

Dispersed wired and wireless policy control points

C.

Separated wired and wireless management

D.

Separated authentication for wired and wireless access

As shown in the figure. API and AP2 belong to Group 1, and AP3 belongs to Group2. Apple TV1 and iPad1 access the network through API; iPhone1 accesses the network through AP2; and iPhone2 and Apple TV2 access the network through AP3. To enable a client to accurately discover mDNS service provider devices, you can use mDNS policy control functionality. The customer wants iPad1 and iPhone1 to discover Apple TVI but not Apple TV?, and iPhone2 to discover only Apple TV2. Which of the following mDNS policy control functions can be used to meet this requirement?

A.

Service provider- and AP location-based control policy

B.

Service type- and AP location-based control policy

C.

Service type- and AP ID-based control policy

D.

Service provider- and AP ID-based control policy

Which of the following statements are true about the site survey for an outdoor bridge backhaul project?

A.

Focus on the leaf site installation conditions, including installation heights of APs and antennas and the power supply mode.

B.

Aggregation nodes should be connected to as many root nodes as possible to ensure sufficient bandwidth for the wireless bridge.

C.

If wireless coverage is required for leaf nodes, survey the environment of the coverage area based on outdoor coverage requirements.

D.

Line of sight (LOS) propagation is supported between sites.

Smart roaming enables STAs to promptly roam to neighboring APs with better signals, improving the WLAN roaming experience. When the WAC detects a sticky STA. it immediately triggers a smart roaming policy to enable the STA to associate with a better AP.

A.

TRUE

B.

FALSE

Which of the following statements about VXLAN is false?

A.

A Layer 2 VXLAN gateway forwards traffic to a VXLAN network and can also be used for Intra-subnet communication on the same VXLAN network.

B.

Layer 2 and Layer 3 VXLAN gateways must maintain VBDIF interfaces. Otherwise, users cannot communicate with each other through these interfaces.

C.

A VBDIF interface is a logical interface created based on a BD. It is similar to a VLANIF interface on a traditional network.

D.

A Layer 3 VXLAN gateway is used for inter-subnet communication on a VXLAN network and communication with external non-VXLAN networks.

Which of the following is used for wireless positioning based on the signal propagation time?

A.

TOF

B.

TOA

C.

TDOA

D.

TDOF

Which of the following algorithms 15 not supported by Cipher Suite B of WPA3-Enterprise?

A.

GCMP-256

B.

SHA394

C.

SHA256

D.

GMAC-256