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Huawei H12-311 Exam Questions and Answers, Huawei HCIA-WLAN | SPOTO

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Question #1
Which of the following 802.11 interframe spaces is the longest?
A. DIFS
B. PIFS
C. SIFS
D. IFS
View answer
Correct Answer: A
Question #2
What is the default authentication mode supported by AP?
A. mac-authcorrect
B. sn-auth
C. no-auth
D. mac-sn-auth
View answer
Correct Answer: A
Question #3
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 #4
802.11 In the frame, Address Which address bit represents the address of the receiving end of the frame ()?
A. AAddress 1
B. BAddress 2
C. CAddress 3
D. DAddress 4
View answer
Correct Answer: A
Question #5
What are the common causes for AP can't get IP address? (Multiple Choice)
A. the configuration of address pool is not correctcorrect
B. address pool use upcorrect
C. Intermediate network problemcorrect
D. POE Power supply failure
View answer
Correct Answer: ABC
Question #6
If a AP Has been added offline, then AP You can go online directly.
A. True
B. False
View answer
Correct Answer: A
Question #7
According to the following configuration example, the following statement is correct (). [AC] dhcp enable [AC] interface VLANif100 [AC-VLANif100] ip address 10.1.100.1 24 [AC-VLANif100] dhcp select interface [AC-VLANif100] quit
A. AThe DHCP service is already enabled by default in the global mode, so dhcp enable does not need to be configured
B. BThe dhcp select interface command is to enable the DHCP client function on the VLAN 100 interface
C. CIf VLAN100 is a user VLAN, after the user receives the address, the gateway is 10
D. DIf VLAN100 is the management VLAN where the AP is located, the option 43 field in the DHCP message that the AP will receive should be 10
View answer
Correct Answer: C
Question #8
An antenna converts pilot waves on transmission lines into electromagnetic waves propagated in unbounded media (free space in most cases), or vice versa.
A. True
B. False
View answer
Correct Answer: B
Question #9
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
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 Acorrect
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
View answer
Correct Answer: ABC
Question #10
Huawei Box Wireless Controller AC6605 support twenty four Piece PoE Interface in WLAN Can be directly connected when networking AC of AP Make a supply Electricity.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #11
Huawei AP The product can only support one configuration SSID .
A. False
B. True
View answer
Correct Answer: A
Question #12
OFDMA and MU-MIMO are mutually exclusive technologies that cannot be configured together.
A. True
B. False
View answer
Correct Answer: B
Question #13
Which of the following description for PSK certification is correct? (Multiple Choice)
A. PSK certification need to configure the same pre-shared key in the wireless client and equipment clientcorrect
B. WPA and WPA2 are both support PSK certificationcorrect
C. The process of PSK certification is like the process of shared-key authentication, so the same safety
D. PSK certification is through four handshake Key negotiation to verify the legitimacy of the STA side Keycorrect
View answer
Correct Answer: ABD
Question #14
Which of the following descriptions of power splitters and couplers are correct is ().
A. Power divider and coupler are equal power distribution
B. The power divider is equal power distribution, and the coupler is unequal power distributioncorrect
C. The power divider is unequal power distribution, and the coupler is equal power distribution
D. Power divider and coupler are unequal power distribution
View answer
Correct Answer: B
Question #15
WLAN The commonly used radio frequency cables in the system are (). (Select 3 Answers)
A. RG-8 Jumper
B. 1/2 ”(Inch) Super flexible feeder
C. 1/2 "(Inch) feeder
D. 13/8 "(Inch) feeder
View answer
Correct Answer: ABC
Question #16
If one 802.11n of AP support 2*2 of MIMO Technology, then this AP What is the theoretical rate of ()?
A. 150 Mbps
B. 300 Mbpscorrect
C. 450 Mbps
D. 600 Mbps
View answer
Correct Answer: B
Question #17
Which of the following devices belong to Huawei Wireless Dual Band AP(Access Point )? (Select 2 Answers)
A. AAP5010DN
B. BAP5010SN
C. CAP6010SN
D. DAP6010DN
View answer
Correct Answer: AD
Question #18
What are the two basic service sets included in BSS (Select 2 Answers)?
A. Independent basic service setcorrect
B. Infrastructure mode basic service setcorrect
C. Extending the basic service set
D. Extending the structure mode basic service set
View answer
Correct Answer: AB
Question #19
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 #20
BSS is called Basic Service Set, and BSS can be divided into Independent BSS and Infrastructure BSS.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #21
When coverage area 2.4GHz Frequency band 1 When channel interference is large and severe, adjust the device to 3 Channel, can effectively reduce interference.
A. ATrue
B. BFalse
View answer
Correct Answer: B
Question #22
display ap all Command can be viewed AP of MAC ,Type And running status.
A. True
B. False
View answer
Correct Answer: A
Question #23
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 #24
After wireless users connect to the wireless signal point, they can’t get it IP Address, what are the possible reasons ()? (Select 2 Answers)
A. Where the user is VLAN No configuration DHCP servercorrect
B. wlan-ess No configuration on the virtual interface dhcp-enablecorrect
C. The authentication password specified by the user is incorrect
D. User equipment MAC The address has been added to the blacklist
View answer
Correct Answer: AB
Question #25
What is the working frequency band used in the original 802.11 protocol?
A. 2
B. 900 MHz
C. 2
D. 5 GHz
View answer
Correct Answer: A
Question #26
SSID What is the Chinese name of ()?
A. Basic service set
B. Basic service area
C. Extended service set
D. Service set IDcorrect
View answer
Correct Answer: D
Question #27
CAPWAP Tunnel encapsulation AC The port number of the side data packet is5246, The control message port number is5247.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #28
Not loaded license Time AC6605 Supported by default AP The number is ().
A. 4
B. 0
C. 8
D. 10
View answer
Correct Answer: A
Question #29
802.11g What rates can be supported?
A. 1,2,5
B. 6, 9, 12, 18, 24, 36, 48, 54 Mbps
C. 1,2,5
D. 6,9,12,18,24,30,36,48,54 Mbps
View answer
Correct Answer: C
Question #30
Unlike the 802.11a/b/g standard, the 802.11n protocol is a dual-band mode of operation (supporting two operating bands of 2.4 GHz and 5 GHz).
A. Truecorrect
B. False
View answer
Correct Answer: A

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