H12-311 Certification - The Ultimate Guide [Updated 2023]
H12-311 Practice Exam and Study Guides - Verified By ActualCollection
NEW QUESTION # 112
The following description of the management VLAN is correct.
- A. Service VLAN under the service set template
- B. PVID VLAN under WLAN ESS interface
- C. Responsible for establishing the CAPWAP tunnel between the AC and the AP.
- D. Mainly responsible for transmitting data when WLAN users access the Internet
Answer: C
NEW QUESTION # 113
In an 802.11 frame, the terminal needs to obtain access rights to the wireless medium. Which control message need to be sent?
- A. ACK
- B. CTS
- C. RTS
- D. PS-Poll
Answer: C
NEW QUESTION # 114
Which of the following standard is set by WiFi Alliance? (Multiple Choice)
- A. WPA
- B. WPA2
- C. 802.11i
- D. 802.11a/b/g/n
Answer: A,B
NEW QUESTION # 115
What is correct in the following options (Select 3 Answers)?
- A. 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.
- B. 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.
- C. Users can implement roaming under different SSIDs.
- D. 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.
Answer: A,B,D
NEW QUESTION # 116
Which of the following can be done to protect WLAN security? (Multiple choice)
- A. Authentication
- B. System protection
- C. Encryption
- D. Control traffic
Answer: A,B,C
NEW QUESTION # 117
The size of the coverage area of the AP is controlled by means (Select 2 Answers).
- A. Adjust the transmit power of the AP
- B. Adjusting the power supply of the AP
- C. Adjusting the access bandwidth of the AP
- D. Adjust the angle of the AP antenna
Answer: A,D
NEW QUESTION # 118
The AP can provide power and data transmission through the POE switch.
- A. False
- B. True
Answer: B
NEW QUESTION # 119
Engineer A purchased a batch of Huawei APs that support WDS. When the WDS network was formed, the bridge could not be established successfully. Which of the following is the possible reason?
- A. The models of the two APs are different.
- B. The channels of the two APs are different.
- C. The power of the two APs is different
- D. The SSIDs of the two APs are different.
Answer: B
NEW QUESTION # 120
Choice of WLAN covering antenna, for long and narrow area, we suggest (); for open and short area, we suggest ().
- A. omnidirectional antennas; Omni-directional antenna
- B. omnidirectional antennas; Directional antenna
- C. directional antenna; Directional antenna
- D. directional antenna; Omni-directional antenna
Answer: D
NEW QUESTION # 121
Regarding the networking architecture of AC+Fit AP, which of the following description is wrong?
- A. Management of APs and users must be implemented through the network management system
- B. It can enhance service QoS, security and other functions through AC.
- C. AP cannot work alone and need to be maintenance and management by AC centralized agent.
- D. AP itself has zero configuration and is suitable for large-scale networking.
Answer: A
NEW QUESTION # 122
What is the area covered by a single AP?
- A. TSA
- B. ESA
- C. BSA
- D. SSA
Answer: C
NEW QUESTION # 123
When did the initial application of the wireless network begin?
- A. After 2000
- B. Late 20th century
- C. During the Second World War
- D. During a major war
Answer: C
NEW QUESTION # 124
Configure the authentication mode of the AP.
What are the authentication modes supported by the AP (Select 3 Answers)?
- A. no-auth
- B. mac-sn-auth
- C. mac-auth
- D. sn-auth
Answer: A,C,D
NEW QUESTION # 125
Radio frequency mainly use spread spectrum technology, which of the following technology is belong to spread spectrum technology? (Multiple choice)
- A. DSSS
- B. FHSS
- C. QPSK
- D. OFDM
Answer: A,B
NEW QUESTION # 126
Each AC device needs to specify the source IP address of the AC to establish a CAPWAP tunnel with the AP.
One AC can specify up to two WLAN source IP addresses.
- A. False
- B. True
Answer: A
NEW QUESTION # 127
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