H12-311試験無料問題集（300題）「Huawei Certified ICT Associate-Wireless Local Area Network 認定」

出題：1

Radio frequency mainly uses spread spectrum technology.
Which of the following technologies belong to Spread 2 Answers?

A. QPSK

B. OFDM

C. FHSS

D. DSSS

正解：C,D 解答を投票する

出題：2

Which of the following standards is WLAN (Select 2 Answers)?

A. WPA

B. WPA2

C. 802.11a/b/g/n

D. 802.11i

正解：A,B 解答を投票する

出題：3

Which of the following commands is to add GE 0/0/1 of Huawei access switch to VLAN 100?

A. interface GigabitEthernet 0/0/1 Port link-type acess Port allow-pass VLAN 100

B. interface GigabitEthernet 0/0/1 Port link-type trunk VLAN 100

C. interface GigabitEthernet 0/0/1 Port link-type access Port default VLAN 100

D. interface GigabitEthernet 0/0/1 Port link-type trunk Trunk allow-pass VLAN 100

正解：C 解答を投票する

出題：4

WEP encrypted data algorithms use algorithms.

A. RC4

B. CCMP

C. Asymmetric encryption

D. AES

正解：A 解答を投票する

出題：5

The AP domain deployment types are as follows (Select 3 Answers).

A. Dense deployment

B. Ordinary deployment

C. Discrete deployment

D. Independent deployment

正解：A,B,C 解答を投票する

出題：6

What are the QoS service models (Select 3 Answers).

A. IntServ model

B. DiffServ model

C. Best Effort model

D. FIFO model

正解：A,B,C 解答を投票する

出題：7

What is the operating frequency set by China in the 2.4 GHz band?

A. 2.471 GHz-2.497 GHz

B. 2.4465 GHz-2.4835 GHz

C. 2.445 GHz-2.475 GHz

D. 2.4 GHz-2.4835 GHz

正解：D 解答を投票する

出題：8

The 802.11 physical layer standard defines some common operations of the wireless network at the physical layer: operations such as QoS, security, and roaming.

A. True

B. False

正解：B 解答を投票する

出題：9

CCMP encryption is more secure than TKIP encryption because of its security.

A. Adopting a more complex encryption algorithm

B. Added a key distribution mechanism, no longer using a single key

C. Added a message integrity check mechanism

D. Adopt a longer IV

正解：A 解答を投票する

出題：10

Which of the following is a wireless LAN standard originally developed by the IEEE?

A. IEEE 802.10

B. IEEE 802.12

C. IEEE 802.11

D. IEEE 802.16

正解：C 解答を投票する

出題：11

If the AP works in infrastructure mode, the AP's working state is full-duplex mode.

A. True

B. False

正解：B 解答を投票する

出題：12

What is the distance between the center frequencies of the channels in the 2.4 GHz band?

A. 5 MHz

B. 22 MHz

C. 10 MHz

D. 20 MHz

正解：A 解答を投票する

出題：13

What is correct in the following options (Select 3 Answers)?

A. SSID technology can divide a wireless local area network into several sub-networks that require different authentication. Each sub-network needs independent authentication. Only authenticated users can enter the corresponding sub-network to prevent unauthorized access. The user enters the network.

B. The BSSID is actually the MAC address of the AP, which is used to identify the BSS managed by the AP, and maps the BSSID and SSID in the same AP.

C. Users can implement roaming under different SSIDs.

D. The SSID is the same in an ESS, but the BSSID corresponding to each AP in the ESS is different. If an AP can support multiple SSIDs at the same time, the AP will assign different BSSIDs to correspond to these SSIDs.

正解：A,B,D 解答を投票する

出題：14

The IEEE 802.11 standard used to define roaming is

A. IEEE 802.11h

B. IEEE 802.11j

C. IEEE 802.11c

D. IEEE 802.11r

正解：D 解答を投票する

出題：15

Which of the following protocols can support both the 2.4 GHz band and the 5 GHz band?

A. 802.11b

B. 802.11n

C. 802.11a

D. 802.11g

正解：B 解答を投票する

出題：16

Which of the following options are the basic functions for configuring Huawei wireless controllers? (Select 3 Answers)

A. Configure AC-ID

B. Configure AC WLAN source interface

C. Configure AC country code

D. Configure Radio template

正解：A,B,C 解答を投票する

出題：17

What is the function of the AC in the wireless network (Select 3 Answers)?

A. Implement roaming function

B. Send beacon frame

C. Centralized management AP

D. Wireless intrusion detection

正解：A,C,D 解答を投票する

出題：18

The following statement about antenna classification is correct (Select 2 Answers)?

A. Classification by use: short wave antenna, ultrashort wave antenna, microwave antenna, etc.

B. Classification by working frequency band: communication antenna, TV antenna, radar antenna, etc.

C. Classification by shape: wire antenna, planar antenna, etc.

D. Classification by direction: omnidirectional antenna, directional antenna, etc.

正解：C,D 解答を投票する

H12-311試験無料問題集「Huawei Certified ICT Associate-Wireless Local Area Network 認定」