Huawei Huawei Certification H11-879 Questions & Answers

• Question 91:

  SMC2.0 added TE terminal search in a manageable way to 10%, unable to continue, possible reasons are () (multiple choice)

  A. SNMP V2C read community name or SNMP V3 user encryption method is inconsistent

  B. SNMP V2C read community name or SNMP V3 user password is inconsistent

  C. Device SNMP is not enabled

  D. API account or password issue

  Correct Answer: ABC

• Question 92:

  In video systems, image processing uses RGB color space. () Right or Wrong

  A. Right

  B. Wrong

  Correct Answer: B

• Question 93:

  In the U1900 series unified gateways, regarding the relationship between prefix, office direction, office direction selection code and trunk, the correct statement is () multiple selection

  A. One prefix can only correspond to one office direction selection code

  B. One office route selection code can only correspond to one prefix

  C. The correspondence between office direction selection code and office direction is one- to-many

  D. One office route can correspond to multiple different types of relays

  Correct Answer: AC

• Question 94:

  The SMC2.0 resource pool solution can improve the reliability of the videoconferencing system. If the MCU in use suddenly goes down during a conference, which of the following principles will SMC2.0 choose to use as a backup MCU? () Multiple choice

  A. Same service area first

  B. MCUs with the same prefix are preferred

  C. The MCU with the most remaining resources in the same service area is preferred

  D. Among all MCUs, the MCU with the most remaining resources is preferred

  Correct Answer: ABC

• Question 95:

  The MTU board can support 4 E1/T1 interfaces. How to switch between E1 and T1 interfaces? Which statement is correct () (single choice)

  A. You only need to select E1 or T1 in the "Parameter Configuration> Transmission Mode" in the "Quick Configuration> Configure Board" page on the U1900 Web management page, and the switch can be completed

  B. The default is the E1 interface. To switch to T1, you need to remove the jumper cap inside the MTU board. Need to enter the Web management page to modify the configuration

  C. The default is T1 interface, switch to E1, you need to remove the jumper cap inside the MTU board, and you need to enter the Web management page to modify the configuration

  D. None of the above

  Correct Answer: B

• Question 96:

  Phone A has been successfully registered to the U1900 system. At some point, unplug the network cable. At this time, log in to the U1900 system to check the registration status of phone A. The following statement is wrong ()

  A. The registration status of phone A in the U1900 system may change immediately

  B. The registration status of phone A in the U1900 system may remain unchanged

  C. The registration status of phone A in the U1900 system may change after a period of time

  D. The registration status of phone A in the U1900 system is updated, only after the network cable of phone A is unplugged, the change occurs after half of the registration period of phone A has passed

  Correct Answer: D

• Question 97:

  In the VoIP system, what are the factors that affect the quality of voice calls? () Multiple choice

  A. Jitter

  B. delay

  C. Packet loss

  D. bandwidth

  Correct Answer: ABCD

• Question 98:

  In the U1900 unified gateway, outgoing calls need to be configured in a certain order. The following configuration process is correct () Multiple choice

  A. Office route selection code -> office route -> trunk -> prefix

  B. Office route selection code -> Trunk -> Office route -> Prefix

  C. Office route selection code -> prefix -> office route -> trunk

  D. Office route selection code -> Trunk -> Prefix -> Office route

  Correct Answer: AC

• Question 99:

  How many pixels of a camera with 1080P image resolution equivalent ()

  A. 2 million

  B. 800w

  C. 2.3 million

  D. 5000000

  Correct Answer: A

• Question 100:

  How to order the recorded video on RSE6500 on the terminal side? ()

  A. When there is SC and routing has been configured, the terminal directly calls the IP address of RSE6500

  B. When there is SC and routing is configured, the terminal directly calls the recording ID

  C. When there is no SC or SC is not configured with routing, the terminal directly calls the recording ID

  D. When there is no SC or SC is not configured with routing, the terminal calls RSE6500IP address##Recording ID

  Correct Answer: BD