Huawei H11-879 Online Practice Questions and Exam Preparation

Huawei H11-879 Online Questions & Answers

• Question 91:

  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
  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

• Question 92:

  An enterprise has deployed eSight network management, DNS server and DHCP server on its existing network. For deploying 200 IP phones, which of the following methods cannot achieve batch configuration of TR069 parameters? ()

  A. Configure the eSight domain name and IP address mapping in the DNS server
  B. Batch delivery via DHCP Option 246 field
  C. Use access scan
  D. Through the web configuration interface of IP Phone
  D. Through the web configuration interface of IP Phone

• Question 93:

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

• Question 94:

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

  A. Right
  B. Wrong
  B. Wrong

• Question 95:

  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
  A. One prefix can only correspond to one office direction selection code
  C. The correspondence between office direction selection code and office direction is one- to-many

• 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
  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

• 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
  A. Jitter
  B. delay
  C. Packet loss
  D. bandwidth

• Question 98:

  In the remote disaster recovery scenario, when the master node (U1981) fails, POTS user A of a branch node (The branch site equipment is U1911). If you make an outgoing call to the local PSTN user B through the branch node, the network element through which the SIP signaling of the call passes is ().

  A. U1911->Preparation U1981->U1911
  B. Prepare U1981->U1911
  C. U1911
  D. U1911->Main U1981->Backup U1981->U1911
  A. U1911->Preparation U1981->U1911

• Question 99:

  Add active and standby SCs on SMC2.0, which of the following statements is correct () (multiple choice)

  A. The license information of the active SC and the backup SC must be the same
  B. In the process of SC active/standby configuration, the "Mode" parameter indicates the working status of the SC, the "Mode" value is 1 for standby, and the "Mode" value is 2 for active
  C. The service IP is a virtual IP. The active SC and the standby SC share this virtual service IP to provide external registration and call services
  D. The management IP address and service IP address of the active SC can be in two different network segments
  A. The license information of the active SC and the backup SC must be the same
  C. The service IP is a virtual IP. The active SC and the standby SC share this virtual service IP to provide external registration and call services
  D. The management IP address and service IP address of the active SC can be in two different network segments

• Question 100:

  A single Media board of VP9660 MCU can support up to () 1080P 30 ports?

  A. 12
  B. 36
  C. 24
  D. 8
  C. 24