Huawei Huawei Certifications H12-311 Questions & Answers

• Question 131:

  Regarding the two major standards of PoE, the following statement is incorrect (Select 2 Answers).

  A. 802.af standard was established in 2009, and the maximum output power is 30W.

  B. 802.at supports four power levels and only supports Category 5 lines.

  C. 802.af, also known as PoE+, is compatible with 802.at devices.

  D. 802.at, also known as PoE+, is compatible with 802.af devices.

  Correct Answer: AC

• Question 132:

  What are the main contents of the CAPWAP protocol (Select 3 Answers)?

  A. AP automatic discovery of AC and state machine operation and maintenance of APandAC

  B. The AC manages the AP and delivers the service configuration.

  C. STA data encapsulates CAPWAP tunnel for forwarding

  D. Define the transfer rate of the Mac layer and the physical layer

  Correct Answer: ABC

• Question 133:

  In the term of PoE, what does the AP belong to?

  A. PSE

  B. PD

  C. PI

  D. PSU

  Correct Answer: A

• Question 134:

  The following statement about the region is correct (Select 3 Answers)?

  A. APs belonging to the same region will uniformly adjust the RF channel and power.

  B. An AP can belong to two regions at the same time, so that roaming is more optimized.

  C. If you do not configure, all APs belong to region 0 by default.

  D. AP region is laid in three types: dense placement, discrete deployment, and normal deployment.

  Correct Answer: ACD

• Question 135:

  After a wireless user connects to a wireless signal point, they cannot obtain an IP address. What are the possible reasons (Select 2 Answers)?

  A. The DHCP server is not configured in the VLAN where the user is located. The dhcp-enable command is not configured on the

  B. wlan-ess virtual interface.

  C. The user-specified authentication password is incorrect.

  D. The MAC address of the user device has been added to the blacklist.

  Correct Answer: AB

• Question 136:

  Wireless users with the same user VLAN and the same SSID can access the Internet, but they can't access each other. What could be the cause of this phenomenon?

  A. The user's gateway device is configured with an ACL to prevent mutual access between users.

  B. The ACL is configured on the AC to prevent mutual access between users.

  C. Port isolation configured on the switch connected to the AP prevents mutual access between users.

  D. User isolation is configured on the wireless service-set to prevent mutual access between users.

  Correct Answer: D

• Question 137:

  To create a radio-profile, you must bind wmm-profile, or you will get an error.

  A. True

  B. False

  Correct Answer: A

• Question 138:

  In a large-scale wireless network deployment scenario, when the AC is configured as "Layer 3 Networking

  +

  Side-by-Side Mode + Direct Forwarding", where should the wireless user's gateway be located?

  A.

  Convergence layer on the Layer 3 switch

  B.

  One-arm router on the

  C.

  AC on the

  D.

  AP

  Correct Answer: A

• Question 139:

  The naming of the "AP6010DN" is incorrect.

  A. AP in AP6010DN is the specific prefix of the AP of the enterprise network.

  B. AP6010DN "601" represents the standard indoor placement type 1st generation

  C. The "D" in the AP6010DN represents that the AP is a dual-band AP and supports the 2.4GHz and 5GHz bands.

  D. "N" in AP6010DN means AP is an 802.11n AP.

  Correct Answer: D

• Question 140:

  The following is a description of the classification and function of Huawei AP. The following statement is correct (Select 3 Answers).

  A. AP6010SN and AP6010DN are indoor-mounted APs

  B. AP6310SN is an indoor distributed AP

  C. AP6510DN and AP6610DN are outdoor APs

  D. AP6610DN is a Gigabit fiber interface, so it cannot be directly connected to the AC6605.

  Correct Answer: ABC