Earn HCIP-WLAN-CEWA V1.0 Certification By Using Updated H12-321_V1.0-ENU Exam Dumps (V9.02)

1. Which of the following descriptions about omnidirectional antennas is wrong?

2. Regarding the parameter DN in the directory server, which of the following descriptions is correct?

3. Regarding the address of the AP connecting to the AC in VRRP hot backup, which statement is correct?

4. Which of the following descriptions about directional antennas is wrong?

5. In wireless access authentication, Agile Controller can support multiple authentication methods. Which of the following descriptions about Agile Controller authentication is wrong?

6. Which of the following statements about the role of Mesh is correct?

7. Which of the following statements about Portal authentication is correct?

8. According to the detection results reported by the AP, the AC can obtain the neighbor relationship between the AP and surrounding devices, as well as the neighbor relationship of all radio frequency devices (including legal APs, illegal APs, and non-Wi-Fi interference devices) under the entire AC, as shown in the following figure: In order to prevent the reported data from being too large, only legal neighbors whose signal strength is greater than -85dBm and illegal neighbors whose signal strength is greater than ()dBm are reported here?

9. In smart roaming, for a terminal that does not support 802.11v or a terminal that falsely supports 802.11v, the AC notifies the current AP to log the sticky user offline, and sends a blacklist to the currently associated AP.

10. In a WLAN project, when the engineer was upgrading the AC, the AC system was damaged due to an unexpected power failure. At this time, which of the following methods can be used to re-upgrade the AC?

11. Which of the following commands about creating a static load balancing group is correct?

12. Taking 5GHz as an example, if the transmitting and receiving antennas are 5km apart, the radius of the Fresnel area is approximately?

13. In smart roaming, for a terminal that supports 802.1v, the AP can designate a target AP for it and require it to actively roam without kicking the user offline.

14. Regarding the relationship between 802.1x and RADIUS, which of the following descriptions is correct?

15. According to the process of establishing a Mesh connection, which of the following steps is correct?

16. The antenna is different from the signal amplifier. It is a passive device that does not need power supply, but only guides and shapes wireless signals.

17. Which of the following commands can check whether the automatic selection function of the AP channel and transmit power is enabled?

18. Which of the following formulas about the curvature of the earth is correct?

19. In smart roaming, terminals that support 802.11k can actively collect surrounding neighbor AP information and report it to the associated AP.

20. As shown in the figure, in public places, such as different companies on adjacent floors in an office building, there are multiple SSIDs. After a company turns on the WIDS illegal device counter function, it will counter other companies’ APs. Which of the following function can effectively solve this problem?

21. As shown in the figure, the WIDS attack detection process is shown. After the dynamic blacklist is issued, how will the AP handle different data traffic during the blacklist penalty period?

22. Regarding the definition of WIPS/WIDS, which of the following statements is correct?

23. Regarding the dual-link hot standby configuration, when configuring the priority of an AC, the greater the value of the priority, the higher the actual priority of the AC.

24. Which of the following commands is not required when configuring the Mesh whitelist?

25. A large-scale WLAN network needs to deploy a wired and wireless integrated network to achieve unified management and maintenance of users. Which of the following ACs is recommended?

26. In the uninterrupted feature of channel switching, the mechanism of notifying the terminal to switch channels is defined by the 802.11h protocol.

27. In the feature of uninterrupted channel switching service, the AP and the terminal agree on the time to switch the channel synchronously, taking the beacon frame as the time point, and the two parties agree to switch the channel synchronously after a certain time node of the beacon frame.

28. According to different scenarios, the AC or AP can be set as the home agent in the layer-3 roaming of the direct forwarding network. When an AP is set as a home agent, tunnel forwarding needs to be established directly between APs before and after roaming, without forwarding through the AC.

29. Both N+1 backup and dual-link cold backup support the link switchback function. In order to avoid frequent switching caused by network shocks, N+1 backup and dual-link cold backup wait for 20 heartbeat cycles by default. Master/standby switchover operation.

30. In the N+1 backup or dual-link cold backup networking scenario, configuring the CAPWAP heartbeat detection interval and times to be smaller can effectively improve the service interruption time when the main link is abnormal, and does not affect the reliability of the CAPWAP link.

31. Taking 5GHz as an example, if the transmitting and receiving antennas are 1km apart, the radius of the Fresnel area is approximately?

32. In a small campus WLAN networking scenario, in the CAPWAP tunnel establishment process, which of the following steps may not be performed by the AP and AC?

33. The data algorithm of WEP encryption adopts () algorithm.

34. The lobe width is a very important parameter commonly used in directional antennas. It refers to the width of the angle formed by the radiation pattern of the antenna below the peak () dB.

35. Four APs are deployed in a conference room that can accommodate up to 100 people. By configuring the CAC function on each AP, the number of users of a single AP cannot exceed 25, and the SSID will be hidden after exceeding. Thus, the effect of load balancing among APs is indirectly realized.

36. In a customer's wireless network, Portal authentication is used for user authentication. The engineer configures Portal authentication on the Huawei wireless controller, involving Portal authentication templates, authentication-free templates, and authentication templates.

Which of the following descriptions about the certification-free template is wrong?

37. Which of the following terminals is most suitable to use MAC authentication to access the wireless network?

38. A company needs to hold a temporary product launch event. Since there is no wired network foundation at the launch site and time is tight, the network engineer plans to use wireless Mesh networking.

Which of the following descriptions about deploying a Mesh network is wrong?

39. The Mesh network supports AP zero-configuration online, that is, the AP does not need to do any configuration on the AP and AC before going online, and the AP can go online after ensuring that the AP and AC network is reachable.

40. In a large-scale campus WLAN networking scenario, the administrator needs to manually configure a static IP address for the AP during the first step of going online.

41. During the MAC authentication process, the user does not need to manually enter the user name and password, and can authenticate terminals that do not have 802.1X authentication capabilities, such as printers and fax machines.

42. The Portal protocol message consists of a fixed-length header and a variable-length attribute field, and the attribute field adopts the TLV (Type-Length-Value) format.

43. Agile controller supports synchronizing user groups and users with AD and other standard LDAP servers. The same LDAP data source does not support the synchronization of accounts with the same name. If there are accounts with the same name, only the first synchronized account can be successfully synchronized, and the subsequent synchronized accounts will fail to be synchronized.

44. Which of the following descriptions about enabling the HSB backup group in the hot backup scheme is wrong?

45. In the reliability scenario, when the number of public configurations to be synchronized in the Master AC cache reaches 1000, the user will not be able to continue configuring the public configurations, and the configuration can only be continued after the configuration is deleted.

46. In wireless communication scenarios, in order to ensure the reliability of signal transmission, it is usually necessary to consider the design and planning of the Fresnel area. In principle, try not to block the first Fresnel area. Which of the following scenarios should be most considered for Fresnel zone design?

47. In the direct forwarding mode of the WLAN network, after the user roams, the ARP entry of the access device connected to the AP does not age out in time, which will cause a short interruption of the user service. To solve this problem, which of the following commands should the engineer configure?

48. There are three implementation methods of CAC. Which of the following options does not belong to the implementation method of CAC?

49. In point-to-multipoint Mesh scenarios, both omnidirectional antennas and directional antennas will be used. In point-to-point Mesh scenarios, directional antennas are generally used.

50. The two IPs that implement WLAN roaming must use the same SSID and security template (the name of the security template can be different, but the configuration under the security template must be the same), and the authentication mode and authentication parameters of the authentication board must also be configured the same.

51. The available channels are different in different countries or regions, and some regions will reserve some channels, so it must be confirmed clearly before planning. Taking China as an example, the 6-band optional channels used by the bridge backhaul include: 36, 149, 153, 157, 161 and 165.

52. In order to enable visitors to access the Internet through the WLAN network, the global pool is used to assign addresses to users. Which of the following is not required to be configured?

53. In the WDS+ dual-link scenario, the number of heartbeat packet detections should be set to ?

54. Which of the following descriptions about the steps of using the WLAN Tester2.0 tool for site survey is correct?

55. Which of the following descriptions about side-mounted networking is wrong?

56. Commonly used authentication methods in EAP relay mode include EAP-PEAP, EAP-TLS and EAP-ITLS. Among them, EAP-TTLS needs to load certificates on both the client and the server, and has the highest security.

57. In the dual-link hot backup scheme, a single AP establishes CAPTAP links with the active and standby TACs respectively. One is the active link and the other is the standby link. The TAC does not back up synchronization information. After the active TAC fails, the AP switches to the standby link On, prepare WAC to take over the work.

58. Lobe width is an important index commonly used for directional antennas. The wider the wave width, the better the directivity, the farther the working distance, and the stronger the anti-interference ability.

59. In the 802.11 standard, the unicast frame sent must be confirmed by CK, otherwise the frame will be considered lost.

60. In the WAC+FIT AP networking architecture, the AP will go through multiple stages during the online process. The different stages are sorted in chronological order. Which one is the correct one?