Valid Huawei certification H12-321-ENU test questions

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Share some HCNP-WLAN H12-321-ENU exam questions and answers below.
Which of the following description about the second Fresnel area is correct? (Multiple choice) 
A. out-phase with point source 
B. in-phase with point source 
C. Less than the first Fresnel area 
D. Greater than the first Fresnel area 
Answer: AD

About the load sharing of the dual-machine hot backup solution, which of the following statement is correct? (Multiple choice) 
A. VRRP hot backup mode can be applied to load sharing mode 
B. The selection of dual-machine hot backup master/backup device is consistent with the selection of dual-link master/backup devices 
C. The HSB master service will back up the relevant information on the primary device to the backup device 
D. Dual-link backup can be applied to load sharing mode 
Answer: BCD

When installing a remote point-to-point RF communication link, what is the number of kilometers does the distance between the transmitting and receiving antennas exceed, and then need to consider the influence of the Earth's curvature? 
A. 3.3km 
B. 5.3km 
C. 7.3km 
D. 11.3km 
Answer: D

The same frequency MESH networking, 2 AP network transmission bandwidth is about 200M, when add an AP, how much is the average transmission bandwidth? 
A. Up to 200M 
B. Up to 150M 
C. Up to 100m 
D. Up to 50M 
Answer: C

In the dual-machine hot standby, which of the following statement on the HSB backup channel is wrong? 
A. The HSB backup channel between the master/backup AC is recommended to be connected separately to ensure high reliability 
B. HSB backup group and backup service are independent of each other, without binding to make HSB backup group work normally 
C. In the VRRP hot backup, the master/backup state of the HSB backup channel follows the change of the master/backup state of the VRRP 
D. In a dual-link hot backup, HSB channel does not have master/backup state, which is only the data backup channel 
Answer: B

In the WLAN network, when the AP is in monitoring mode, what kind of message does the AP use to determine the device type? 
A. DHCP 
B. ARP 
C. CAPWAP 
D. 802.11MAC 
Answer: D

In the WLAN network, which of the following two kinds of messages do spoof spy attack packets mainly include? (Multiple choice) 
A. Broadcast Disassociation 
B. Broadcast Deauthentication 
C. Unicast Disassociation 
D. Unicast Deauthentication 
Answer: AB

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