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

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Question # 17

After a WLAN is deployed, the customer finds that STAs fail to roam. What are the possible causes?

The AP models are different. For example, the HAP model is AirEngine 5760-51, and the FAP model is AirEngine 6760-X1.

WLAN signal coverage is discontinuous.

The security profiles have inconsistent authentication modes.

The service VLANs of the SSIDs are inconsistent before and after STA roaming.

There are interference sources with the same SSID near the WLAN.

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Question # 18

Which of the following WAC backup modes provides the fastest switchover speed?

Dual-link HSB

VRRPHSB

N+1 backup

Dual-link cold backup

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Question # 19

VXLAN uses a VXLAN Network Identifier (VNI) field similar to a VLAN ID to identify users. The VNI field occupies 28 bits and supports up to 16M VXLAN segments.

TRUE

FALSE

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Question # 20

Huawei Agile Cloud Authentication (HACA) supports only IMaster NCE-Campus as the HACA server.

True

False

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Question # 21

DHCPv6 stateful autoconfiguration enables a DHCPv6 server to automatically assign IPv6 addresses, PD prefixes, and other network configuration parameters, such as DNS, NIS, and SNTP server address.

TRUE

FALSE

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Question # 22

Fat APs can be switched to the cloud management mode only by using commands, not through the registration query center.

TRUE

FALSE

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Question # 23

Which of the following statements is false about the DHCP option field?

DHCP option 43 can be used for plug-and-play AP deployment in WLAN scenarios.

The DHCP option field stores control information and parameters allocated to DHCP clients.

Each DHCP packet can carry multiple DHCP option fields.

The DHCP option field must carry fixed content that cannot be modified or defined by vendors.

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Question # 24

On a campus network, which of the following problems may occur when you manually create a static VXLAN tunnel? (Select All that Apply)

Although the static VXLAN tunnel mode supports the distributed gateway scenario, the configuration involves a heavy workload and is complex to adjust.

A static VXLAN tunnel uses related protocols on the control plane, consuming device resources.

If N devices need to establish VXLAN tunnels, you need to manually configure the ingress replication list up to N x (N-l)/2 times.

Remote MAC addresses can be learned only through data flooding.

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