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Free Huawei H12-311 Practice Questions & Answers 2026 Part2 | 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 are the mandatory standards for wireless LAN security in China?
A. WiFi
B. WAPI
C. WLAN
D. WiMAX
View answer
Correct Answer: B
Question #2
When did the initial application of wireless networks begin ()?
A. During the First World War
B. During the Second World War
C. 20 Late century
D. 2000 Years later
View answer
Correct Answer: B
Question #3
802.11b Support () channels in the United States, among which () channels do not overlap?
A. 1; 3
B. 4 ; 3
C. 4 ; 6
D. 1 ; 6
View answer
Correct Answer: A
Question #4
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 #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
Which of the following technologies works at 5 GHz (Select 2 Answers)?
A. Radar
B. Bluetooth
C. Infrared
D. Digital Satellite
View answer
Correct Answer: AD
Question #7
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 #8
In 1999, the IEEE 802.11a standard was developed. The standard specifies that the WLAN operating frequency band is 5.15 to 5.825 GHz, and the data transmission rate reaches 11 Mbps.
A. True
B. False
View answer
Correct Answer: B
Question #9
1999 Year, IEEE 802.11a The standard formulation is completed. The standard stipulates that the working frequency band of wireless local area network can reach the transmission rate 11Mbps .5.15 ~5.825GHz , Data transmission
A. True
B. False
View answer
Correct Answer: B
Question #10
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 #11
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 #12
Which of the following standards organizations implements WLAN technical interoperability for WLAN equipment certification ()?
A. WiFi
B. IEEE
C. IETF
D. FCC
View answer
Correct Answer: A
Question #13
Which of the following AP Mode does not belong to WDS The internet()?
A. Root AP
B. Middle AP
C. Bridge AP
D. Leaf AP
View answer
Correct Answer: C
Question #14
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 #15
What frame does the wireless client passively scan to obtain the surrounding wireless network information ()?
A. uthentication frame
B. eacon frame
C. ssociation Request frame
D. robe Request frame
View answer
Correct Answer: B
Question #16
IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.
A. True
B. False
View answer
Correct Answer: B
Question #17
The following is not the AP binding template .
A. lanning table template
B. adio frequency template
C. P template
D. SS template
View answer
Correct Answer: A
Question #18
BSS Full name Basic Service Set ,BSS It can be divided Independent BSS and Infrastructure BSS Two kinds.
A. True
B. False
View answer
Correct Answer: A
Question #19
AP What are the reasons for being unable to go online ()? (Select 3 Answers)
A. ADHCP Incorrect address pool configuration AP Unable to get address
B. BAP Use static discovery, but AC of IP Configuration error
C. CAP Version with AC Inconsistent versions
D. DThe controller uses no-auth Authentication mode
View answer
Correct Answer: ABC
Question #20
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 #21
WLAN technology uses radio waves to transmit information over the air and uses the 2.4 GHz and 5 GHz frequency bands. The 5 GHz frequency band here refers to Fifth Generation (5G) technology.
A. True
B. False
View answer
Correct Answer: B
Question #22
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 #23
Which of the following protocols can support at the same time 2.4GHz Frequency band and 5GHzFrequency band()?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: D
Question #24
Which channels in the 802.11b protocol do not overlap each other (Select 3 Answers)?
A. 1
B. 3
C. 6
D. 11
View answer
Correct Answer: ACD
Question #25
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 #26
An antenna converts pilot waves on transmission lines into electromagnetic waves propagated inunbounded media (free space in most cases), or vice versa.
A. True
B. False
View answer
Correct Answer: B
Question #27
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 #28
Which of the following technologies work at 5 GHz ()? (Select 2 Answers)
A. radar
B. Bluetooth
C. Infrared
D. Digital satellite
View answer
Correct Answer: AD
Question #29
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 #30
original 802.11 What is the maximum rate supported by the protocol Mbps ()?
A. 1
B. 2
C. 5
D. 11
View answer
Correct Answer: B
Question #31
What is the name of the first radio communication network based on packet technology?
A. INTERNET
B. ARPANet
C. ALOHNET
D. NSFnet
View answer
Correct Answer: C
Question #32
WDS technology increases the filexibility and convenience of the entire network structure, but only supports peer-to-peer mode of operation.
A. True
B. False
View answer
Correct Answer: B
Question #33
There are four wireless STA, According to the following backoff time parameters, which workstation has the priority to occupy the channel?
A. 5
B. 7
C. 4
D. 6
View answer
Correct Answer: C
Question #34
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 #35
Which of the following are PHY technologies used by 802.11ac? (Choose all that apply.)
A. FDMA
B. TS/CTS
C. 56-QAM
D. FDM
E. U-MIMO
F. -MPDU
View answer
Correct Answer: CDE
Question #36
According to the different signal parameters controlled, what modulation methods can be divided into ()? (Select 3 Answers)
A. AM
B. FM
C. phase modulation
D. Wave modulation
View answer
Correct Answer: ABC
Question #37
original 802.11 What is the working frequency band used by the agreement ()?
A. 2
B. 900 MHz
C. 2
D. 5 GHz
View answer
Correct Answer: A
Question #38
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 #39
2.4 GHz What is the range of operating frequency specified by China ()?
A. 2
B. 2
C. 2
D. 2
View answer
Correct Answer: A
Question #40
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 #41
What was the name of the first radio communication network based on packet technology ()?
A. INTERNET
B. ARPANet
C. ALOHNET
D. NSFnet
View answer
Correct Answer: C
Question #42
To quickly identify the AC on which a STA goes online, an AC saves the online status of all ACs and STAs in the mobility group.
A. True
B. False
View answer
Correct Answer: B
Question #43
To quickly identify the AC on which a STA goes online, an AC saves the online status of all ACs and STAs in the mobility group.
A. rue
B. alse
View answer
Correct Answer: B
Question #44
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 #45
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
View answer
Correct Answer: B
Question #46
when AC When it is a bypass networking, if the data is forwarded directly, then the data flow () flow () AC. AC; If the data is in tunnel forwarding mode, the data
A. Don't go through
B. Don't pass, don't pass
C. Pass by
D. Pass, not pass
View answer
Correct Answer: A
Question #47
The following description about dual-link backup networking is incorrect ()
A. ual-link backup technology improves network reliability at important network nodes and ensures business stability
B. ctive and standby AC The network service configuration on the Internet must be consistent
C. repare AC Always be in the power-on state
D. xist AP With active and standby AC In the process of establishing active and standby links, the link established first must be the active link
View answer
Correct Answer: D
Question #48
2.4 GHz How many channels () can the frequency band be divided into at most?
A. 4
B. 3
C. 1
D.
View answer
Correct Answer: A
Question #49
An infrastructure-mode network consisting of multiple APs and distributed systems that connect them, also known as what?
A. Basic service set
B. Basic service area
C. Extended service set
D. Extended service area
View answer
Correct Answer: C
Question #50
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 #51
2.4 GHz How many channels () can the frequency band be divided into at most?
A. 4
B. 3
C. 1
D.
View answer
Correct Answer: A
Question #52
ETSI Which country or region is the standards organization ()?
A. China
B. America
C. Japan
D. Europe
View answer
Correct Answer: B
Question #53
Large companies have more video conferences, and QoS generally adopts the () service model.
A. iffServ model
B. ntServ model
C. est Effort model
D. IFO model
View answer
Correct Answer: D
Question #54
Which of the following protocols is defined in the Mesh networking?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: D
Question #55
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 #56
If one BSS Totally by STA Composition, then BSS What is also called ()?
A. IBSS
B. ESS
C. SSID
D. BSA
View answer
Correct Answer: A
Question #57
SSID What is the Chinese name of ()?
A. Basic service set
B. Basic service area
C. Extended service set
D. Service set ID
View answer
Correct Answer: D
Question #58
Which technology belongs to the wireless metropolitan area network () below?
A. 2G/3G
B. WLAN
C. Bluetooth
D. WiMAX
View answer
Correct Answer: B
Question #59
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 #60
What parameters are used in 802.11 frames to reassemble frame fragments?
A. Frame Control
B. Duration
C. Address bit
D. Fragment number
View answer
Correct Answer: D
Question #61
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 #62
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 #63
What type of frame does the ACK frame belong to in the WLAN?
A. Management frame
B. Control frame
C. Data frame
D. Empty data frame
View answer
Correct Answer: B
Question #64
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 #65
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 #66
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 #67
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 #68
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 #69
Which of the following technologies work at 5 GHz ()? (Select 2 Answers)
A. adar
B. luetooth
C. nfrared
D. igital satellite
View answer
Correct Answer: AD
Question #70
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
View answer
Correct Answer: B
Question #71
The BSSID is actually the MAC address of the AP and is used to identify the BSS managed by the AP.
A. True
B. False
View answer
Correct Answer: B
Question #72
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 #73
Which of the following protocols support the 2.4 GHz band (Select 3 Answers)?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: BCD
Question #74
Which of the following 802.11 standards use orthogonal frequency division multiplexing (OFDM) technology? (Choose all that apply.)
A. 02
B. 02
C. 02
D. 02
E. 02
F. 02
View answer
Correct Answer: ADEF
Question #75
The following command can configure the port of the Huawei switch as hybrid model()?
A. ort mode hybrid
B. ort link-type hybrid
C. wichport hybrid
D. ybrid enable
View answer
Correct Answer: B
Question #76
What is the distance between the center frequencies of the channels in the 2.4 GHz band?
A. 0 MHz
B. MHz
C. 0 MHz
D. 2 MHz
View answer
Correct Answer: B
Question #77
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 #78
What is the recommended AC-ID for Huawei wireless controllers when configuring enterprise network WLAN services ()?
A. mcc (China Mobile)
B. uc (China Unicom)
C. tc (China Telecom)
D. ther (other)
View answer
Correct Answer: D
Question #79
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 #80
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 #81
2.4 GHz What is the range of operating frequency specified by China ()?
A.
B.
C.
D.
View answer
Correct Answer: A
Question #82
Which of the following options is 802.11g The maximum rate supported by the protocol ()?
A. 11Mbps
B. 22Mbps
C. 54Mbps
D. 108Mbps
View answer
Correct Answer: C
Question #83
Which of the following standards are WiFi Developed by the alliance ()? (Select 2 Answers)
A. 802
B. WPA
C. WPA2
D. 802
View answer
Correct Answer: BC
Question #84
Which of the following options is the maximum rate supported by the 802.11g protocol?
A. 11Mbps
B. 22Mbps
C. 54Mbps
D. 108Mbps
View answer
Correct Answer: C
Question #85
Mesh Networking is defined in which of the following protocols ()?
A. 802
B. 802
C. 802
D. 802
View answer
Correct Answer: D
Question #86
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 #87
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 #88
Which of the following standards organizations implements WLAN technical interoperability for WLAN equipment certification ()?
A. WiFi
B. IEEE
C. IETF
D. FCC
View answer
Correct Answer: A
Question #89
When did the initial application of wireless networks begin ()?
A. During the First World War
B. During the Second World War
C. 20 Late century
D. 2000 Years later
View answer
Correct Answer: B
Question #90
Configure the security profile of the wireless network as WEP. You need to configure the security profile on the AC6605 as follows.
A. uthentication policy wpa2 Wpa2 authentication-method share-key Wpa2 key wpa2-40 hex 0 1234567890 Wpa2 default-key 0
B. uthentication policy wpa Wpa authentication-method share-key Wpa key wpa-40 hex 0 1234567890 Wpa default-key 0
C. ecurity-policy wep Policy wep share-key Wep key wep-40 hex 0 1234567890 Wep default-key 0
D. ecurity-policy wep Wep authentication-method open Wep key wep-40 hex 0 1234567890 Wep default-key 0
View answer
Correct Answer: C
Question #91
ETSI Which country or region is the standards organization ()?
A. China
B. America
C. Japan
D. Europe
View answer
Correct Answer: B
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
original 802.11 What is the working frequency band used by the agreement ()?
A.
B. 00 MHz
C.
D. GHz
View answer
Correct Answer: C
Question #94
A set of security measures are taken to safeguard STA access on a wireless network, and secure association is established through authentication to ensure that all communication parties have valid identities.
A. True
B. False
View answer
Correct Answer: A
Question #95
What is the maximum rate supported by the original 802.11 protocol?
A. 1
B. 2
C. 5
D. 11
View answer
Correct Answer: B
Question #96
How many channels does China support in the 2.4 GHz band?
A.
B. 3
C. 1
D.
View answer
Correct Answer: B
Question #97
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 #98
The basic service set is 802.11 The basic components of a network are composed of a group of workstations that communicate with each other.
A. True
B. False
View answer
Correct Answer: A
Question #99
Which of the following protocols is defined in the Mesh networking?
A. 02
B. 02
C. 02
D. 02
View answer
Correct Answer: A
Question #100
Which of the following standards is WLAN (Select 2 Answers)?
A. 802
B. WPA
C. WPA2
D. 802
View answer
Correct Answer: BC

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