Huawei Huawei Certifications H11-828 Questions & Answers

• Question 51:

  In the eSpace Audio Recorder solution, which of the following functions is NOT supported by the HWLogIMP client?

  A. Recording query

  B. Recording playback

  C. Recording export

  D. Recording transcoding

  Correct Answer: D

• Question 52:

  About the console service, which of the following statements are CORRECT? (Multiple Choice)

  A. The console system communicates with the unified gateway to implement basic call services and attendant services.

  B. The console system communicates with the BMU for service configuration.

  C. The console server supports CDR query.

  D. When a SoftConsole is bound to a hard terminal, the hard terminal can place calls for the bound SoftConsole.

  Correct Answer: AB

• Question 53:

  During automatic switchboard configuration on a U1900 series unified gateway, if the intra-office short number consists of five digits, the administrator needs to configure an extension number that contains at most four digits to prevent toll fraud.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 54:

  An enterprise has two U1981s working in active/standby mode for discover recovery, and the following

  commands are executed on the standby device:

  config modify switch waittime 10

  startautoswitch time <02:00:00>

  One morning, the active device was faulty at 09:00, and recovered at 10:00. At this time, (). (Multiple

  Choice)

  A. Services were automatically switched back to the active device immediately.

  B. Services were switched back to the active device after the execute manualswitch command was executed on the active device.

  C. If no operations were performed, at 09:00 next morning, the active device was processing all services.

  D. Data generated during the period when the standby node took over services was not automatically synchronized to the primary node after the services were switched back to the primary node.

  Correct Answer: CD

• Question 55:

  Which two of the following devices are recommended to be deployed in the DMZ of an enterprise? (Multiple Choice)

  A. U1900

  B. sbc

  C. MAA

  D. eServer

  E. Meeting MS

  Correct Answer: BCE

• Question 56:

  About eSpace Mobile access, which of the following statements are CORRECT? (Multiple Choice)

  A. eSpace Mobile sends and receives instant messages and instant group messages through the MM.

  B. Automatic call distribution is implemented using the MAA.

  C. An SVN device must be deployed on the network.

  D. The SBC is used as a proxy for eSpace Mobile to register with the IP PBX.

  Correct Answer: AD

• Question 57:

  In a multi-node centralized call management network, if an AR router is configured as the bcal node, the AR service mode must be set to the () mode.

  A. SIPAG

  B. H.248AG

  C. PBX

  D. IMS

  Correct Answer: C

• Question 58:

  About SBC networking, which of the following statements is INCORRECT?

  A. An SBC supports IP-based communication between the carrier networks and voice access devices, and between the headquarters and branches of an enterprise.

  B. An SBC processes and controls data streams between IP networks in real time to support VoIP service implementation.

  C. Generally, firewalls can convert only Layer 3 and Layer 4 headers. For UC applications such as SIP and H.323, the IP addresses required for exchanging signaling and media streams are contained in the packet payload; therefore, firewalls cannot perform NAT for private IP addresses at the application layer.

  D. On the terminal, the SIP server address configured is the SBC address. The SBC functions as the signaling proxy, and media streams do not pass through the SBC.

  Correct Answer: D

• Question 59:

  In an enterprise's VoIP network, only one U1981 is deployed. One day, the U1981 fails and as a result, all phones at the enterprise's headquarters and branches fail to work. To prevent this situation from happening again, which of the following approaches can be taken? (Multiple Choice)

  A. Purchase another U1981 and configure the two U1981s to work in active/standby mode for redundancy backup.

  B. Purchase U1900s for branches, and use their local regeneration function to provide call services for phones in the branches when the U1981 at the headquarters fails.

  C. Purchase IADs for branches, and use their network outage survival function to provide basic call services for IP phones in the branches when the U1981 at the headquarters fails.

  D. Use the virtual PBX function of the existing U1981 to provide redundancy.

  Correct Answer: AB

• Question 60:

  The eServer of the Linux edition uses the () database.

  A. Oracle

  B. Mysql

  C. SQLServer

  D. PostgreSQL

  Correct Answer: A