Huawei H12-321 Online Practice Questions and Exam Preparation

Huawei H12-321 Online Questions & Answers

• Question 301:

  The online process of an AP includes the following phases. What is the correct sequence of these phases?

  1.

  Decide whether to upgrade the AP.

  2.

  The AP and AC establish a CAPWAP tunnel.

  3.

  The AP goes online, and the AC delivers services to the AP.

  4.

  The AP obtains an IP address,

  A. 2->4->l->3
  B. 4->l->2->3
  C. 4->2->l->3
  D. 2->l->4->3
  C. 4->2->l->3

• Question 302:

  Which statement about Mesh roles is TRUE?

  A. Mesh roles are configured based on radio.
  B. Mesh roles are configured based on AP.
  C. Mesh roles are configured based on VAP.
  D. Mesh roles are configured based on any conditions.
  B. Mesh roles are configured based on AP.

• Question 303:

  Which of the following statements are TRUE about load balancing modes provided by the HSB solution? (Multiple Choice)

  A. VRRP HSB can apply to the load balancing mode.
  B. In dual-link HSB mode, the link to the active device is the active link and the link to the standby AC is the standby link.
  C. An HSB service backs up information from the active device to the standby device.
  D. Dual-link backup can apply to the load balancing mode.
  A. VRRP HSB can apply to the load balancing mode.
  B. In dual-link HSB mode, the link to the active device is the active link and the link to the standby AC is the standby link.
  C. An HSB service backs up information from the active device to the standby device.

• Question 304:

  Regarding the benefits of package-by-package power adjustment, what is the correct statement?

  A. Turn on the packet-by-packet power adjustment to avoid mutual interference between APs.
  B. Turn on the packet-by-packet power adjustment to save the AP's energy consumption.
  C. Turn on the packet-by-packet power adjustment, which is beneficial to ensure the success rate of packet delivery to the terminal farther from the AP and improve the performance of the air interface.
  D. Turn on the packet-by-packet power adjustment to improve user access security more effectively.
  A. Turn on the packet-by-packet power adjustment to avoid mutual interference between APs.

• Question 305:

  When dual-link HSB is configured, an AP sets up CAPWAP links with both the active and standby ACs.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 306:

  Which is the correct procedure of Mesh link establishment?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  B. Option B

• Question 307:

  On a WLAN that uses the Agile Controller, which of the followings is NOT a symptom for 802.lx authentication faults?

  A. A client fails 802.1x authentication.
  B. A client passes 802.1x authentication but disconnections occur repeatedly.
  C. The test-aaa command is run successfully on the device, but the authentication page cannot be displayed.
  D. A correct user name and password are provided, but the system keeps prompting the user to enter a correct user name and password.
  C. The test-aaa command is run successfully on the device, but the authentication page cannot be displayed.

• Question 308:

  Which are the correct procedures for a Mesh node going online through an AC? (Multiple Choice)

  A. 1. An AP connects to an online Mesh neighbor through air interfaces. 2. The AP and neighbor negotiate the key, and then set up a Mesh route. 3. The AP obtains an IP address through DHCP. 4. The AP discovers the AC and goes online.
  B. 1. An AP connects to an online Mesh neighbor through air interfaces. 2. The AP and neighbor set up a Mesh route, and then negotiate the key. 3. The AP obtains an IP address through DHCP. 4. The AP discovers the AC and goes online.
  C. 1. An AP connects to an online Mesh neighbor through air interfaces. 2. The AP and neighbor negotiate the key. 3. The AP obtains an IP address through DHCP. 4. The AP and neighbor set up a Mesh route. 5. The AP discovers the AC and goes online.
  D. 1. Once the AP is powered on, it goes online and obtains configurations from the AC. 2. The AP performs link establishment and key negotiation according to the obtained configurations.
  A. 1. An AP connects to an online Mesh neighbor through air interfaces. 2. The AP and neighbor negotiate the key, and then set up a Mesh route. 3. The AP obtains an IP address through DHCP. 4. The AP discovers the AC and goes online.
  D. 1. Once the AP is powered on, it goes online and obtains configurations from the AC. 2. The AP performs link establishment and key negotiation according to the obtained configurations.

• Question 309:

  Which of the following packets does an AP working in monitor mode use to determine device types?

  A. DHCP
  B. ARP
  C. CAPWAP
  D. 802.11 MAC
  D. 802.11 MAC

• Question 310:

  As shown in the following figure, the data traffic before roaming is forwarded to the STA-HAP-HAC-upper layer network. The forwarding mode is direct forwarding. The home agent is configured on the AC. After the three-layer roaming, the data forwarding traffic is forwarded.

  A. STA-FAP-FAC-upper layer network
  B. STA-FAP-FAC-HAC-FAC-upper layer network
  C. STA-FAP-FAC-HAC-upper layer network
  D. STA-FAP-FAC-HAC-HAP-HAC-upper layer network
  C. STA-FAP-FAC-HAC-upper layer network