Get Latest [Nov-2022] Conduct effective penetration tests using Actual4dump H12-311
Penetration testers simulate H12-311 exam PDF
NEW QUESTION 164
In the frame of 802.11, which Address bits represent the frame Address at the receiving end?
- A. Address 4
- B. Address 3
- C. Address 2
- D. Address 1
Answer: D
NEW QUESTION 165
The following description of the management VLAN is correct.
- A. PVID VLAN under WLAN ESS interface
- B. Mainly responsible for transmitting data when WLAN users access the Internet
- C. Responsible for establishing the CAPWAP tunnel between the AC and the AP.
- D. Service VLAN under the service set template
Answer: C
NEW QUESTION 166
What are the common troubleshooting methods in WLAN networks? (Multiple choice)
- A. Segmentation troubleshooting method
- B. Replacement troubleshooting method
- C. Classification troubleshooting method
- D. Block troubleshooting method
Answer: A,B,D
NEW QUESTION 167
Regarding the characteristics of Huawei WLAN products, the following statement is correct.
- A. The switching threshold of WLAN load balancing has two configurations based on the number of users and the number of sessions.
- B. After the dual-link backup configuration, if the user adopts the tunnel forwarding mode, the active service will not be interrupted even if the active AC fails.
- C. Huawei's AP radio tuning function is divided into global tuning and local tuning. The local tuning is done by the AP independently.
- D. Wireless controller can achieve high availability through stacking
Answer: A
NEW QUESTION 168
What are the conditions for roaming switching triggers generally? (Multiple Choice)
- A. Start the switch when the network speed is very slow when it is associated with the original AP.
- B. Check the packet loss rate and start switching when the packet loss rate reaches a certain value.
- C. Set the signal strength ratio between the current AP and the neighbor AP, and switch to the threshold.
- D. Start the switch after the STA reaches a certain distance from the original AP.
Answer: B,C
NEW QUESTION 169
The following description of the PSK certification is incorrect.
- A. PSK authentication process is similar to the shared key authentication process, so the security is the same.
- B. PSK authentication requires the same pre-shared key to be configured on the wireless client and device side.
- C. PSK authentication is to verify the legitimacy of the STA side key through 4-way handshake key negotiation.
- D. WPA and WPA2 support PSK certification
Answer: B
NEW QUESTION 170
Which of the following commands is to add GE 0/0/1 of Huawei access switch to VLAN 100?
- A. interface GigabitEthernet 0/0/1
Port link-type trunk
VLAN 100 - B. interface GigabitEthernet 0/0/1
Port link-type trunk
Trunk allow-pass VLAN 100 - C. interface GigabitEthernet 0/0/1
Port link-type acess
Port allow-pass VLAN 100 - D. interface GigabitEthernet 0/0/1
Port link-type access
Port default VLAN 100
Answer: D
NEW QUESTION 171
Which of the following protocols are IEEE 802.11 standards Select 3 Answers)?
- A. 802.11i
- B. 802.11a/b/g/n
- C. 802.1X
- D. 802.11s
Answer: A,B,D
NEW QUESTION 172
The gain of the antenna can be explained by .
- A. The ability of the antenna to collect or emit electromagnetic waves in all directions
- B. The ability of the antenna to collect or transmit electromagnetic waves in a certain direction
- C. Amplification ability of electromagnetic waves
- D. The ability of the antenna to amplify high-frequency electrical signals
Answer: B
NEW QUESTION 173
In a dual-link backup network, what do the APs use to distinguish between the primary AC and the standby AC (Select 3 Answers)?
- A. AC load situation
- B. AC response AP time
- C. Priority
- D. AC IP address
Answer: A,C,D
NEW QUESTION 174
In the PoE terminology, the PSU is called the Power Supply Unit, which refers to the power supply unit, such as the Ethernet interface of the PoE switch.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 175
The size of the coverage area of the AP is controlled by means (Select 2 Answers).
- A. Adjust the angle of the AP antenna
- B. Adjusting the power supply of the AP
- C. Adjust the transmit power of the AP
- D. Adjusting the access bandwidth of the AP
Answer: A,C
NEW QUESTION 176
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. The DHCP service is enabled by default in the global mode, so the dhcp enable can be configured. The
- B. If VLAN 100 is a user VLAN, the gateway is 10.1.100.1 and the mask is 255.255.255.0 after the user receives the address.
- C. If VLAN 100 is the management VLAN where the AP is located, the option 43 field in the DHCP message received by the AP should be 10.1.100.1.
- D. dhcp select interface command enables the DHCP client function on the interface of VLAN 100.
Answer: B
NEW QUESTION 177
For outdoor WLAN coverage scenarios, which of the following descriptions is correct?
- A. The length of the feeder must not exceed 2 meters
- B. The feeder interface must match the selected antenna
- C. Outdoor antennas should not blindly pursue high gain
- D. The higher the antenna gain, the stronger the antenna directivity and the weaker the radiation gain directly below the antenna
Answer: A
NEW QUESTION 178
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. The DHCP service is enabled by default in the global mode, so the dhcp enable can be configured.
The - B. If VLAN 100 is a user VLAN, the gateway is 10.1.100.1 and the mask is 255.255.255.0 after the user receives the address.
- C. If VLAN 100 is the management VLAN where the AP is located, the option 43 field in the DHCP message received by the AP should be 10.1.100.1.
- D. dhcp select interface command enables the DHCP client function on the interface of VLAN 100.
Answer: B
NEW QUESTION 179
According to the following configuration example, which of the following is true?
[AC] dhcp enable
[AC] interface VLANif100
[AC-VLANif100] ip address 10.1.100.1 24
[AC-VLANif100] dhcp select interface
[AC-VLANif100] quit
- A. If VLAN100 is AP's management VLAN, AP will receive DHCP message option 43 fields should be 10.1.100.1
- B. The commend of DHCP select interface is on the interface of VLAN 100 can make the DHCP client function
- C. If VLAN100 is user VLAN, the user gateway is 10.1.100.1, the mask is 255.255.255.0
- D. The DHCP service in the global mode has been open defaultly, so the DHCP enable can no longer to configure
Answer: C
NEW QUESTION 180
Which of the following statements are correct? (Multiple choice)
- A. WAPI is China's wireless LAN national standard system
- B. When the user obtains the IP address successfully, the user triggers the HTTP packet of the user. In this case, the user is forced to redirect to the portal server to perform the authentication process.
- C. WPA2 PSK authentication requires the user to enter username and password to connect
- D. WPA2 uses 802.1X authentication
Answer: A,B,D
NEW QUESTION 181
What are the two basic service sets included in BSS (Select 2 Answers)?
- A. Extending the basic service set
- B. Independent basic service set
- C. Infrastructure mode basic service set
- D. Extending the structure mode basic service set
Answer: B,C
NEW QUESTION 182
What are the common causes for AP can't get IP address? (Multiple Choice)
- A. the configuration of address pool is not correct
- B. Intermediate network problem
- C. POE Power supply failure
- D. address pool use up
Answer: A,B,D
NEW QUESTION 183
In 802.11 frame through which parameters to restructure the frame pieces?
- A. Duration
- B. Fragment number
- C. Frame Control
- D. Address bit
Answer: B
NEW QUESTION 184
About the networking mode, which description is true?
- A. relative to the three layers networking, the layer two networking is more suitable for park, sports venues and other large network
- B. the advantage of three layer networking is simple configuration, establishing networking easily
- C. in direct-connect networking, AP business data can reach the upward network without going through AC
- D. if the ability of AC processing the data is weak, it is recommended to use hanging by networking
Answer: D
NEW QUESTION 185
The electrical performance indicators of Antenna do not include ().
- A. polarization mode
- B. lobe width
- C. power size
- D. gain
Answer: C
NEW QUESTION 186
In the WDS peer-to-peer network, the backbone link between the Root AP and the Leaf AP is connected in the
5 GHz band. The bandwidth used by the Root AP is 149. Which of the following bands should the Leaf AP use?
- A. 0
- B. 1
- C. Except for 149
- D. 2
Answer: D
NEW QUESTION 187
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Huawei H12-311 Exam Syllabus Topics:
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Tested Material Used To H12-311 Test Engine: https://www.actual4dump.com/Huawei/H12-311-actualtests-dumps.html