[Oct-2021] Updated HCIA-WLAN H12-311-ENU Exam Questions BUNDLE PACK
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NEW QUESTION 30
If you want to create an open authentication security template, the following correct configuration is.
- A. AC-WLAN-view] security-profile name security-1 id 1
[AC-WLAN-sec-prof-security-1] wpa authentication-method open-system
[AC-WLAN-sec-prof-security-1] security-policy wpa
[AC-WLAN-sec-prof-security-1] quit - B. AC-WLAN-view] security-profile name security-1 id 1
[AC-WLAN-sec-prof-security-1] wep authentication-method open-system
[AC-WLAN-sec-prof-security-1] security-policy wep
[AC-WLAN-sec-prof-security-1] quit - C. AC-WLAN-view] security-profile name security-1 id 1
[AC-WLAN-sec-prof-security-1] open authentication-method open-system
[AC-WLAN-sec-prof-security-1] security-policy open
[AC-WLAN-sec-prof-security-1] quit - D. AC-WLAN-view] security-profile name security-1 id 1
[AC-WLAN-sec-prof-security-1] wpa2 authentication-method open-system
[AC-WLAN-sec-prof-security-1] security-policy wpa2
[AC-WLAN-sec-prof-security-1] quit
Answer: B
NEW QUESTION 31
What parameters are used in 802.11 frames to reassemble frame fragments?
- A. Address bit
- B. Frame Control
- C. Fragment number
- D. Duration
Answer: C
NEW QUESTION 32
How many management nodes (B) does the eSight Standard Edition support?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 33
Regarding the networking architecture of AC+Fit AP, which of the following description is wrong?
- A. It can enhance service QoS, security and other functions through AC.
- B. Management of APs and users must be implemented through the network management system
- C. AP itself has zero configuration and is suitable for large-scale networking.
- D. AP cannot work alone and need to be maintenance and management by AC centralized agent.
Answer: B
NEW QUESTION 34
What is the function of the AC in the wireless network (Select 3 Answers)?
- A. Centralized management AP
- B. Wireless intrusion detection
- C. Implement roaming function
- D. Send beacon frame
Answer: A,B,C
NEW QUESTION 35
Metal objects have a greater attenuation of the wireless signal, and the AP or antenna should be placed behind a metal ceiling or the like.
- A. True
- B. False
Answer: A
NEW QUESTION 36
If a wireless client is connected to the same SSID of two APs, then what determines which wireless AP is the wireless terminal connected to?
- A. BSSID
- B. BSA
- C. ESSID
- D. SSID
Answer: A
NEW QUESTION 37
The following is true for WLAN networking configuration (Select 3 Answers).
- A. WMM template is bound to the radio template.
- B. Before the AP is configured, the AP must be online.
- C. The user should try to ensure the detailed planning data when performing data planning, which will greatly facilitate the later configuration.
- D. Configure the WMM template to be directly bound to the antenna.
Answer: A,B,C
NEW QUESTION 38
In the 802.11 frame, what is the interframe interval between RTS and CTS?
- A. PIFS
- B. IFS
- C. SIFS
- D. DIFS
Answer: C
NEW QUESTION 39
The CAPWAP protocol supports both Split Mac and Local Mac modes of operation.
- A. True
- B. False
Answer: A
NEW QUESTION 40
When deploy AP on several floors of a building, which of the following factors are needed to pay attention to? (Multiple Choice)
- A. in order not to affect beautiful, AP should be hidden in the ceiling
- B. the material of the wall
- C. unified planning channel
- D. other interfering signals
Answer: B,C,D
NEW QUESTION 41
Which of the following are the RF cable commonly used in WLAN distribution systems? (Multiple choice)
- A. RG-8 jumper
- B. 1/2" (inch) super soft feeder
- C. 13/8" (inch) feeder
- D. 1/2" (inch) feeder
Answer: A,B,D
NEW QUESTION 42
In the following priority queues, the queue has the highest default priority.
- A. AC-VO
- B. AC-VI
- C. AC-BK
- D. AC-BE
Answer: A
NEW QUESTION 43
In 1999, the IEEE 802.11a standard was developed. The standard specifies that the WLAN operating frequency band is 5.15~5.825GHz, and the data transmission rate reaches 11Mbps.
- A. False
- B. True
Answer: A
NEW QUESTION 44
The following description of the service VLAN is correct (Select 3 Answers).
- A. PVID VLAN under WLAN ESS interface
- B. Mainly responsible for transmitting data when WLAN users access the Internet.
- C. If data tunneling is used, user data will not be transmitted through the service VLAN.
- D. Service VLAN under the service set template
Answer: A,B,D
NEW QUESTION 45
What kinds of VLANs are involved in the WLAN configuration (Select 3 Answers)?
- A. Authentication VLAN
- B. Management VLAN
- C. User VLAN
- D. Service VLAN
Answer: B,C,D
NEW QUESTION 46
Huawei AC controller AC6605 supports user access security management through security templates and supports WEP, WPA/WPA2, and WAPI security policies.
- A. True
- B. False
Answer: A
NEW QUESTION 47
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
Answer: D
NEW QUESTION 48
What are the following WLAN standards for transmission rates up to 54 Mbps and above (Select 3 Answers)?
- A. 802.11n
- B. 802.11b
- C. 802.11g
- D. 802.11a
Answer: A,C,D
NEW QUESTION 49
The AP can provide power and data transmission through the POE switch.
- A. True
- B. False
Answer: A
NEW QUESTION 50
When an 802.11 packet sent by a STA enters the Ethernet through the AP, it is converted into an 802.3 packet. Which of the following is not a priority mapping method?
- A. Map to priority according to UP
- B. No priority mapping
- C. According to the order in which the packets arrive at the AP
- D. Set different priorities according to different VAPs
Answer: C
NEW QUESTION 51
The electrical performance indicators of Antenna do not include ().
- A. polarization mode
- B. gain
- C. lobe width
- D. power size
Answer: D
NEW QUESTION 52
Which of the following statement about ap-group is correct? (Multiple choice)
- A. If you do not configure, all APs belong to ap-group default by default.
- B. AP can belong to two ap-groups at the same time, so that roaming is more optimized.
- C. APs in the same ap-group can call the same security policy uniformly.
- D. AP in the same ap-group can perform SSID configuration uniformly.
Answer: A,C,D
NEW QUESTION 53
What is the name of the first radio communication network based on packet technology?
- A. ALOHNET
- B. INTERNET
- C. ARPANet
- D. NSFnet
Answer: A
NEW QUESTION 54
The CAPWAP protocol is a WLAN standard proposed by the IEEE standards organization in April 2009 for communication between AC and thin APs.
- A. False
- B. True
Answer: A
NEW QUESTION 55
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