Huawei H12-311-ENU Daily Practice Exam New 2022 Updated 300 Questions [Q67-Q90]

NO.67 The modulation methods adopted by DSSS are BPSK and QPSK respectively.

NO.68 The Mesh network allows redundant Mesh links to exist. Therefore, you can configure STP to ensure that loops do not occur on Mesh links.

NO.69 In the term of PoE, what does the AP belong to?

NO.70 The eSight network management system is Huawei’s dedicated network management platform, but it can only manage Huawei’s own devices.

NO.71 In an 802.11 frame, the terminal needs to obtain access rights to the wireless medium, and what kind of control message is to be sent?

NO.72 The following service models can provide end-to-end QoS services, but the scalability is not good.

NO.73 What are the two basic service sets included in BSS (Select 2 Answers)?

NO.74 If an 802.11n AP supports 2*2 MIMO technology, what is the theoretical rate of this AP?

NO.75 The following description of the PSK certification is incorrect.

NO.76 A 10 layer building need to cover the WLAN signal, as for the floor block, WLAN signal frequency of 5 or 6 layers can be set to 6 channel at the same time.

NO.77 What is used to define roaming in the IEEE 802.11 standard?

NO.78 What is the area covered by a single AP called?

NO.79 Which of the following are the RF cable commonly used in WLAN distribution systems? (Multiple choice)

NO.80 Which of the following commands can be configured to enter the WLAN view?

NO.81 For outdoor long-distance point-to-point backhaul, the antenna of should be selected.

NO.82 The coverage area size of AP is controlled by which way? (Multiple choice)

NO.83 Which of the following options is in the 5GHz band supported by China?

NO.84 TKIP encryption is higher than WEP encryption in security, which of the following are correct? (Multiple choice)

NO.85 The description of the following WLAN networking diagram is wrong.

NO.86 What is the operating frequency set by China in the 2.4 GHz band?

NO.87 The architecture of the WLAN is mainly divided into a controller-based thin AP architecture and a traditional independent fat AP architecture.

NO.88 The AC6605 supports three ways to establish AP and AC interworking. What are the options (Select 3 Answers)?

NO.89 The power of the indoor AP is generally mW.

NO.90 What are the reasons why users may not be able to connect to the WLAN properly? (Multiple choice)