Practice Free H12-323_V2.0-ENU Exam Online Questions
The figure shows a schematic diagram of the on-site engineering survey test obstacle attenuation. Please match the correct test content with the test steps. 
How many spatial streams can a 3×2 MIMO system transmit in a WLAN network?
- A . 6
- B . 5
- C . 2
- D . 3
When an engineer was debugging a wireless network at a customer site, the radio frequency tuning function configured on the device did not take effect. The engineer checked the current radio frequency tuning status on the wireless controller, and the following was displayed.
After analyzing the displayed information, which of the following may be the cause of the failure of radio frequency calibration? 
- A . No VAP template is configured on the device
- B . The channel and power automatic selection functions are disabled on the device.
- C . AP did not detect neighbor information
- D . Device tuning is not completed
When using WLAN Planner for LAN network planning, multiple projects can be merged according to the actual situation of the project. However, there are certain restrictions on merging projects. When merging multiple projects, which of the following information do users need to ensure consistency? (Multiple choice)
- A . Merged projects have layers
- B . Authorization Type
- C . Country
- D . Project Name
Among the following WAC backup solutions, which one has the fastest master-slave switchover speed?
- A . Dual-link cold backup A
- B . N+1 backup
- C . VRRP hot backup
- D . Dual-link hot backup
In order to isolate visitor traffic and employee traffic, a large enterprise adopted the Navi AC networking architecture to deploy a WLAN network.
When configuring Local AC, which of the following descriptions is wrong?
- A . Navi AC must be specified
- B . The service VLAN needs to be allowed on the interface
- C . Create and configure a VAP template
- D . Ensure that the DTLS pre-shared key configuration is consistent with that on Navi AC
When using built-in Portal authentication, the access device usually provides built-in Portal server function in HTTPS mode. If the access device is not configured with a trusted certificate, the client browser will not trust the default self-signed certificate of the access device and will pop up a security certificate warning message.
- A . True
- B . False
Which of the following networking methods are recommended for outdoor WDS planning? (Multiple choice)
- A . Root to four leaves
- B . One-hop relay between root and leaf
- C . Two-hop relay between root and leaf
- D . Root to eight leaves
In a WLAN network, which of the following principles should be followed when laying out cable routing? (Multiple choice)
- A . When deploying a WLAN network, keep it away from strong electricity and strong magnetic fields.
- B . The recommended length of the network cable from AP to POE switch is no more than 120 meters
- C . Before deployment, the network cable deployment plan must be confirmed with the customer in advance to avoid the customer’s disagreement with the construction due to other reasons such as property, aesthetics, etc.
- D . The length of the network cable or optical-electric hybrid cable should be reserved for about 5 meters to facilitate fine-tuning of the AP position later.
WLAN network optimization, in addition to network configuration and AP working channel power adjustment, client optimization is also essential. It mainly includes upgrading the terminal wireless network card driver version, adjusting the wireless network card attribute parameters, etc.
- A . True
- B . False