H11-811 Exam Questions

Fax machines can use PSTN to transmit signals. Fax machines can be classified into group 1, group 2, group 3, and group 4 fax machines by transmission speed and modulation mode.

Assuming that user A has enabled password-based local call restriction, the call restriction prefix is 369, and the outgoing prefix is 0.Which of the following statements are CORRE...

Which of the following statements about local regeneration is INCORRECT?

Which of the following statements are CORRECT about the automatic switchboard service of U1900? (Multiple Choice)

U1980s are interconnected with the carrier PSTN through the PRA protocol. Which of the following boards enables the interconnection?

Two IP phones register to the same U1960 successfully, but fail to place intra-office call between each other, the possible causes are that ().

The U1900 has a CDR pool. If the network is disconnected, CDRs will be stored in the CDR pool of the U1900. When the network is recovered, the CDRs in the CDR pool will be pushed t...

The () function cannot be provided by LMT.

In U1900 series unified gateway, what is the relationship between the office route selection code and the office route?

If the TR069 parameter is delivered to IP phones in batches through the DHCP Option 246 field, the IP phones can obtain the eSight IP address and automatically request to access eS...

() is not the method to locate the common fault in IFT system?

After the U1900 PRA trunk is faulty, you can run the show pralink command to view the circuit status of the board.

CDRs can be obtained from the U1900 series unified gateway only after the IP address, user name, and password of the unified gateway are configured on the CDRServer.

The 32-level call barring rights have been customized for a prefix. If a user has been assigned the advanced call rights, the user can dial the prefix without being assigned the 32...

Which of the following statements is CORRECT about FXO and FXS ports?

Which of the following statements about long number and short number are CORRECT? (Multiple Choice)

An eSpace 7910 supports a maximum of three login accounts. Therefore, the eSpace 7910 supports a maximum of three concurrent calls.

The site after a U1900 is installed is a common site.

Assume that the prefix Oil has been configured on the U1960. For details, see the following figure. Which of the following statements are CORRECT? (Multiple Choice)

Which of the following statements are CORRECT about configuring the clock for a PRA trunk on U1900? (Multiple Choice)

Which of the following voice mail service (VMS) functions does U1900 series gateway support? (Multiple Choice)

Which of the following statements are CORRECT about the number length specified by a prefix? (Multiple Choice)

In adding POTS numbers, the startuserno parameter specifies the ().

Which of the following statements are CORRECT about data backup and restore on the IP PBX? (Multiple Choice)

Which of the following boards can be used by the U1960 to connect to the PSTN?

In a voice conference, participants access the conference system and conduct voice communication and discussion with each other. The conference organizer can hold scheduled and ins...

Users can perform operations on eSpace IP phones through eSight, such as device upgrade, data backup, log collection, and configuration modification.

Which of the following statements are CORRECT? (Multiple Choice)

The U1960 connects to both carrier A's network and carrier B's network. If all links to carrier A's network are occupied, which of the following approach is available for routing o...

If the RFA indicator on a board of the U1900 is on, ().

Which of the following statements is CORRECT about user rights level on U1900?

Which of the following statements is CORRECT about the VoIP features?

When scheduling the multi-point voice conference, the U1960 provides conference resources through the () board

An MTU board supports four El/Tl interfaces. Which of the following statements is CORRECT about how to switch between El and Tl interfaces?

Numbers have been allocated to SIP users on the U1900 series unified gateway. Numbers can be allocated to analog phones directly connected to the IAD only after () are configured o...

For the U1900, which of the following statements is CORRECT about the prefix?

eSpace IP phones support the () function that can provide the PC port link for the PC connection.

eSpace U1960 can support ( ) analog trunks at most.

The purpose of using RTP in VoIP network is to (). (Multiple Choice)

Which of the following does NOT belong to automatic switchboard service types? ()

Users with the () rights can make international toll calls in any time segment.

Which of the following statements are CORRECT about the advanced secretary service of U1900 series unified gateways? (Multiple Choice)

You can use the () to perform configuration on IAD? (Multiple Choice)

An enterprise has deployed an automatic switchboard. To enable external users to directly call internal extension users without through the switchboard, which of the following conf...

Which of the following statements is CORRECT about the mode for querying the IP address of an IAD?

A SIP trunk is an IP-based packet trunk. If the SIP trunk uses SIP signaling as the signaling control protocol, only UDP can be used as the transport layer protocol.

Which of the following boards are for the U1911? (Multiple Choice)

After being loaded, custom announcements are stored in ().

eSpace series IP phones support local conferences. eSpace 7910 and eSpace 7950 support a maximum of () and () participants in a local conference respectively.

An MTU board in U1960 supports ( ) El ports at most.