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Free Huawei H12-311 Practice Questions & Answers 2026 Part1 | HCIA-WLAN

Are you preparing for the Huawei H12-311 certification exam? SPOTO offers the Huawei H12-311 Premium File; all questions are aligned with the latest exam content and come with expert-provided answers. Our question banks cover the latest question types, core concepts, and detailed explanations, helping you familiarize yourself with the exam format and difficulty level. Whether you are reviewing core concepts or simulating a real exam environment, these resources will rapidly boost your confidence and readiness.
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Question #1
What is the bandwidth of each channel in the 802.11g band?
A. 25 MHz
B. 20 MHz
C. 50 MHz
D. 22 MHz
View answer
Correct Answer: B
Question #2
If the wireless client wants to pass AP Connected to WLAN , Then what is it through to connect to the wireless network ()?
A. SSID
B. IBSS
C. BSID
D. BSA
View answer
Correct Answer: A
Question #3
What is the operating frequency set by China in the 2.4 GHz band?
A. 2
B. 2
C. 2
D. 2
View answer
Correct Answer: A
Question #4
CAPWAP The agreement is made by IEEE Standards organization in 2009 year 4 One of the month WLAN Standard for AC And thin AP Communication between.
A. True
B. False
View answer
Correct Answer: B
Question #5
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
A. True
B. False
View answer
Correct Answer: B
Question #6
Among the following priority queues, the () queue has the highest default priority.
A. C-VO
B. C-BK
C. C-VI
D. C-BE
View answer
Correct Answer: A
Question #7
What is the wireless client's active scanning to get the surrounding wireless network information by sending frames?
A. Beacon frame
B. Probe Request frame
C. Authentication Request frame
D. Association Request frame
View answer
Correct Answer: B
Question #8
OFDMA and MU-MIMO are mutually exclusive technologies that cannot be configured together.
A. True
B. False
View answer
Correct Answer: B
Question #9
WLAN middle,AP It has been working in a half-duplex state.
A. True
B. False
View answer
Correct Answer: A
Question #10
The power of the indoor AP is generally mW.
A. 00
B. 00
C. 00
D. 0
View answer
Correct Answer: B
Question #11
There are four wireless STAs. Which workstations occupy the channel preferentially according to the following backoff time parameters?
A. 5
B. 7
C. 4
D. 6
View answer
Correct Answer: C
Question #12
What are the mandatory standards for wireless LAN security in China?
A. WiFi
B. WAPI
C. WLAN
D. WiMAX
View answer
Correct Answer: B
Question #13
802.11g What is the bandwidth of each channel of the frequency band ()?
A. 5 MHz
B. 0 MHz
C. 0 MHz
D. 2 MHz
View answer
Correct Answer: B
Question #14
Which of the following standards is WLAN (Select 2 Answers)?
A. 802
B. WPA
C. WPA2
D. 802
View answer
Correct Answer: BC
Question #15
Wireless client passive scanning is obtained by receiving what frames to get around the wireless network information?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
View answer
Correct Answer: A
Question #16
Which of the following statements about antenna gain are true?
A. AWhen selecting the antenna gain, ensure that the beam matches the coverage area
B. BAn antenna's gain quantitatively measures the degree of input power an antenna can radiate in a given direction
C. CAn antenna's gain measures its ability to transmit and receive signals in a specific direction
D. DAntennas are passive components, and they do not amplify electromagnetic signals
View answer
Correct Answer: ABD
Question #17
802.11b Which channels in the protocol do not overlap each other()? (Select 3 Answers)
A. 1
B. 3
C. 6
D. 11
View answer
Correct Answer: ACD
Question #18
WLAN What are the working frequency bands ()? (Select 2 Answers)
A. 2 GHz
B. 5 GHz
C. 5
D. 2
View answer
Correct Answer: BD
Question #19
By default, Huawei WLAN devices can implement intra-AC Layer 2 roaming without any configurations.
A. True
B. False
View answer
Correct Answer: A
Question #20
exist WDS One in the network Root AP Can connect multiple Leaf AP , But a Leaf AP Only one can be connected Root AP .
A. True
B. False
View answer
Correct Answer: A
Question #21
China in 2.4GHz How many channels does the frequency band support ()?
A. 11
B. 13
C. 3
D. 5
View answer
Correct Answer: B
Question #22
What are the following WLAN standards for transmission rates up to 54 Mbps and above (Select 3 Answers)?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: ACD
Question #23
By a wireless AP And what is the network of associated wireless clients called ()?
A. IBSS
B. BSS
C. ESS
D. NSS
View answer
Correct Answer: B
Question #24
What is the wireless client's active scanning to get the surrounding wireless network information by sending frames?
A. Beacon frame
B. Probe Request frame
C. Authentication Request frame
D. Association Request frame
View answer
Correct Answer: B
Question #25
BSS is called Basic Service Set, and BSS can be divided into Independent BSS and Infrastructure BSS.
A. rue
B. alse
View answer
Correct Answer: A
Question #26
Used as AP and AC Establish CAPWAP tunnel VLAN What is it VLAN ()?
A. manage VLAN
B. Serve VLAN
C. user VLAN
D. Certification VLAN
View answer
Correct Answer: A
Question #27
What was the name of the first radio communication network based on packet technology ()?
A. NTERNET
B. RPANet
C. LOHNET
D. SFnet
View answer
Correct Answer: C
Question #28
Wireless client passive scanning is obtained by receiving what frames to get around the wireless network information?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
View answer
Correct Answer: A
Question #29
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
A. True
B. False
View answer
Correct Answer: B
Question #30
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
View answer
Correct Answer: B
Question #31
and 802.11a/b/g The standards are different, 802.11n Protocol is dual-frequency working mode (support 2.4GHz and 5GHz Two working frequency bands).
A. True
B. False
View answer
Correct Answer: A
Question #32
Which of the following wireless frames are control frames ()? (Select 3 Answers)
A. Beacon
B. RTS
C. CTS
D. PS-Poll
View answer
Correct Answer: ACD
Question #33
What is the distance between the center frequencies of the channels in the 2.4 GHz band?
A. 20 MHz
B. 22 MHz
C. 5 MHz
D. 10 MHz
View answer
Correct Answer: C
Question #34
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
A. True
B. False
View answer
Correct Answer: B
Question #35
By multiple AP And the infrastructure mode network composed of distributed systems connecting them, also called what ()?
A. Basic service set
B. Basic service area
C. Extended service set
D. Extended service area
View answer
Correct Answer: C
Question #36
The eSight network management system is Huawei's dedicated network management platform, but it can only manage Huawei's own devices.
A. rue
B. alse
View answer
Correct Answer: B
Question #37
What is the network consisting of a wireless AP and associated wireless clients?
A. IBSS
B. BSS
C. ESS
D. NSS
View answer
Correct Answer: B
Question #38
Which of the following wireless frames belong to the Control Frame (Select 3 Answers)?
A. Beacon
B. RTS
C. CTS
D. PS-Poll
View answer
Correct Answer: ACD
Question #39
What are the wireless LAN standards that support the 5GHz band (Select 2 Answers)?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: AD
Question #40
When did the initial application of the wireless network begin?
A. During a major war
B. During the Second World War
C. Late 20th century
D. After 2000
View answer
Correct Answer: B
Question #41
802.11 What parameters are used in the frame to reorganize the frame segment ()?
A. Frame Control
B. Duration
C. Address Bit
D. Fragment number
View answer
Correct Answer: D
Question #42
To avoid reconfiguration of data when an AP on the network is faulty, you can quickly replace APs by configuring AP replacement.
A. rue
B. alse
View answer
Correct Answer: A
Question #43
What are the mandatory standards for wireless LAN security in China?
A. WiFi
B. WAPI
C. WLAN
D. WiMAX
View answer
Correct Answer: B
Question #44
Which modulation method is the picture below ()?
A. M
B. M
C. hase modulation
D. ave modulation
View answer
Correct Answer: B
Question #45
2.4 GHz What is the distance between the center frequencies of the channels in the frequency band()?
A. 0 MHz
B. 2 MHz
C. MHz
D. 0 MHz
View answer
Correct Answer: C
Question #46
support 5GHz What are the wireless LAN standards for frequency bands ()? (Select 2 Answers)
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: AD
Question #47
What are China's mandatory standards for wireless LAN security ()?
A. WiFi
B. WAPI
C. WLAN
D. WiMAX
View answer
Correct Answer: B
Question #48
What is the wireless client's active scanning to get the surrounding wireless network information by sending frames?
A. Beacon frame
B. Probe Request frame
C. Authentication Request frame
D. Association Request frame
View answer
Correct Answer: B
Question #49
2.4 GHz What is the frequency band US non-overlapping channel ()?
A. ,7,12
B. ,8,13
C. ,6,11
D. ,7,13
View answer
Correct Answer: C
Question #50
Which of the following protocols can support both the 2.4 GHz band and the 5 GHz band?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: D
Question #51
802.11 The parameter used in the frame to check the integrity of the received frame is ()
A. Frame Control
B. Duration
C. FCS
D. Sequence control bit
View answer
Correct Answer: C
Question #52
What is the value used to record the Network Allocation Vector (NAV) in an 802.11 frame?
A. equence control bit
B. rame Control
C. uration
D. ddress bit
View answer
Correct Answer: C
Question #53
BSS is called Basic Service Set, and BSS can be divided into Independent BSS and Infrastructure BSS.
A. True
B. False
View answer
Correct Answer: A
Question #54
What is the wireless client's active scanning to get the surrounding wireless network information by sending frames?
A. Beacon frame
B. Probe Request frame
C. Authentication Request frame
D. Association Request frame
View answer
Correct Answer: B
Question #55
ETSI Which country or region is the standards organization ()?
A. China
B. America
C. Japan
D. Europe
View answer
Correct Answer: B
Question #56
exist WDS In the networking, it is connected to AC connected AP What is usually called ()?
A. Leaf AP
B. Middle AP
C. Master AP
D. Root AP
View answer
Correct Answer: D
Question #57
The management VILAN is used to transmit packets that are forwarded through CAPWAP tunnels, including management packets and service data packets forwarded through CAPWAP tunnels.
A. True
B. False
View answer
Correct Answer: A
Question #58
Which of the following standards organizations is implementing WLAN technology interoperability for WLAN device authentication?
A. iFi Alliance
B. EEE
C. CC
D. ETF
View answer
Correct Answer: A
Question #59
For a wireless network with WPA2 PSK authentication and SSID broadcast, the user can double-click on the SSID and enter the correct username and password to access the network.
A. rue
B. alse
View answer
Correct Answer: B
Question #60
MIMO beamforming adjusts the phase of radio signals at the transmit end to increase the received signal strength indicator (RSSI).
A. rue
B. alse
View answer
Correct Answer: A
Question #61
display ap all Command can be viewed AP of MAC ,Type And running status.
A. rue
B. alse
View answer
Correct Answer: A
Question #62
Wireless client passive scanning is obtained by receiving what frames to get around the wireless network information?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
View answer
Correct Answer: A
Question #63
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
A. True
B. False
View answer
Correct Answer: B
Question #64
exist WDS In the networking, it is connected to AC connected AP What is usually called ()?
A. Leaf AP
B. Middle AP
C. Master AP
D. Root AP
View answer
Correct Answer: D
Question #65
Which of the following standards organizations is implementing WLAN technology interoperability for WLAN device authentication?
A. WiFi Alliance
B. IEEE
C. IETF
D. FCC
View answer
Correct Answer: A
Question #66
What are the WLAN operating bands (Select 2 Answers)?
A. 2 GHz
B. 5 GHz
C. 5
D. 2
View answer
Correct Answer: BD
Question #67
If the terminal supports 5GHz and 2.4GHz Function, then AP Can be configured to control this kind of terminal priority access 5GHz .
A. rue
B. alse
View answer
Correct Answer: A
Question #68
If an SSID is incorrectly configured, STAs may not discover the target Wi-Fi. How do I modify the SSID to enable STAs to discover the target Wi-Fi?
A. Modify the VAP profile
B. Modify the RRM profile
C. Modify the WDS profile
D. Modify the SSID profile
View answer
Correct Answer: D
Question #69
The basic service set is the basic component of an 802.11 network and consists of a set of workstations that communicate with each other.
A. True
B. False
View answer
Correct Answer: A
Question #70
What kind of technology is implemented by the 802.11a protocol?
A. FHSS
B. DSSS
C. OFDM
D. MIMO
View answer
Correct Answer: C
Question #71
In direct forwarding mode, user data packets are encapsulated in a CAPWAP tunnel and thenforwarded by the AC to the upper-layer network.
A. True
B. False
View answer
Correct Answer: B
Question #72
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
View answer
Correct Answer: B
Question #73
802.11g What is the bandwidth of each channel of the frequency band ()?
A. 25 MHz
B. 20 MHz
C. 50 MHz
D. 22 MHz
View answer
Correct Answer: B
Question #74
2.4 GHz What is the range of operating frequency specified by China ()?
A.
B.
C.
D.
View answer
Correct Answer: A
Question #75
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
View answer
Correct Answer: B
Question #76
What are the wireless LAN standards that support the 5GHz band (Select 2 Answers)?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: AD
Question #77
There are four wireless STAs. Which workstations occupy the channel preferentially according to the following backoff time parameters?
A. 5
B. 7
C. 4
D. 6
View answer
Correct Answer: C
Question #78
Regarding the functional characteristics of AP6010SN, which of the following statements is correct is ().(Select 2 Answers)
A. AP6010SN is an indoor distributed AP, which only supports working in the 2
B. AP6010SN has an Ethernet interface and supports 802
C. AP6010SN supports WDS function, which can realize point-to-point and point-to-multipoint wireless bridging
D. AP6010SN not only has a built-in antenna, but also an external antenna, which is very convenient
View answer
Correct Answer: BC
Question #79
Which of the following options is in the 5GHz band supported by China?
A. 5
B. 5
C. 5
D. 5
View answer
Correct Answer: D
Question #80
802.11 has three frame types, which are (Select 3 Answers).
A. Data frame
B. Control frame
C. Service frame
D. Management frame
View answer
Correct Answer: ABD
Question #81
If a BSS is composed entirely of STAs, what is the BSS also called?
A. IBSS
B. ESS
C. SSID
D. BSA
View answer
Correct Answer: A
Question #82
802.11 There are three frame types, namely (). (Select 3 Answers)
A. Data Frame
B. Control frame
C. Business frame
D. Management frame
View answer
Correct Answer: ABD
Question #83
What is the area covered by a single AP?
A. BSA
B. ESA
C. SSA
D. TSA
View answer
Correct Answer: A
Question #84
IEEE is the standard organization responsible for the use of wireless frequencies in the United States.
A. True
B. False
View answer
Correct Answer: B
Question #85
For Huawei AC To create a user, first use aaa Command to enter the view.
A. ATrue
B. BFalse
View answer
Correct Answer: A
Question #86
Wireless client passive scanning is obtained by receiving what frames to get around the wireless network information?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
View answer
Correct Answer: A
Question #87
Which of the following is a wireless LAN standard originally developed by the IEEE?
A. IEEE 802
B. IEEE 802
C. IEEE 802
D. IEEE 802
View answer
Correct Answer: A
Question #88
Huawei AC6605 What is the command to switch between the wired side and the wireless side ()?
A. trl+Z
B. trl+X
C. trl+B
D. trl+Y
View answer
Correct Answer: B
Question #89
WLAN What are the working frequency bands ()? (Select 2 Answers)
A. 2 GHz
B. 5 GHz
C. 5
D. 2
View answer
Correct Answer: BD
Question #90
exist WDS One in the network Root AP Can connect multiple Leaf AP , But a Leaf AP Only one can be connected Root AP .
A. True
B. False
View answer
Correct Answer: A
Question #91
Which of the following protocols are IEEE 802.11 standards Select 3 Answers)?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: ABD
Question #92
ETSI Which country or region is the standards organization ()?
A. China
B. America
C. Japan
D. Europe
View answer
Correct Answer: B
Question #93
Huawei AP The product can only support one configuration SSID .
A. True
B. False
View answer
Correct Answer: B
Question #94
Which of the following protocols can support at the same time 2.4GHz Frequency band and 5GHzFrequency band()?
A. 02
B. 02
C. 02
D. 02
View answer
Correct Answer: D
Question #95
IEEE is the standard organization responsible for the use of wireless frequencies in the United States.
A. True
B. False
View answer
Correct Answer: B
Question #96
OFDMA and MU-MIMO are mutually exclusive technologies that cannot be configured together.
A. rue
B. alse
View answer
Correct Answer: B
Question #97
The following description of the management VLAN is correct.
A. VID VLAN under WLAN ESS interface
B. esponsible for establishing the CAPWAP tunnel between the AC and the AP
C. ainly responsible for transmitting data when WLAN users access the Internet
D. ervice VLAN under the service set template
View answer
Correct Answer: B
Question #98
Antennas are classified by direction and can be classified into antennas and antennas (Select 2 Answers).
A. late shape
B. araboloid
C. rientation
D. mnidirectional
View answer
Correct Answer: C
Question #99
How many channels does China support in the 2.4 GHz band?
A. 11
B. 13
C. 3
D. 5
View answer
Correct Answer: B
Question #100
What frame does the wireless client passively scan to obtain the surrounding wireless network information ()?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
View answer
Correct Answer: A

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