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H11-811 Sample Questions Answers

Questions 4

When configuring the U1960, which of the following boards do you need to add in the web management or Cli? (Multiple Choice)

Options:

A.

SCU

B.

MTU

C.

OSU

D.

ASI

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Questions 5

Which of the following intelligent routing policies are supported by U1900? (Multiple Choice)

Options:

A.

Rerouting upon a routing failure

B.

Routing by time segment

C.

Routing by VoIP domain

D.

Routing by trunk level

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Questions 6

Before replacing a U1900 board, you need to wear grounded electrostatic discharge (ESD) wrist strap to prevent electric circuits from being damaged by ESD. Then, you can directly touch the electric circuits in the board when replacing the board.

Options:

A.

TRUE

B.

FALSE

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Questions 7

Which of the following statements are CORRECT about how to configure a peer device of the SIP trunk on the U1900 series unified gateway? (Multiple Choice)

Options:

A.

Add the domain name of the peer device.

B.

Configure the peer device EID.

C.

Configure the protocol port of the peer device,

D.

Configure the IP address of the peer device.

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Questions 8

The SCU board provides () service network ports.

Options:

A.

2

B.

3

C.

4

D.

5

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Questions 9

When the U1900 PRA trunk is faulty, you need to check whether the indicator on the SCU board is normal.

Options:

A.

TRUE

B.

FALSE

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Questions 10

Under the same network conditions, which of the following codec provides the best voice quality?

Options:

A.

G.711

B.

G.726

C.

G.723.1

D.

G.728

E.

G.729

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Questions 11

A company plans to purchase a U1900 unified gateway. To support 1000 conference participants at most, A company should choose().

Options:

A.

U1911

B.

U1960

C.

U1981

D.

U1980

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Questions 12

The SCU board of the U1960 supports a maximum of ( ) users.

Options:

A.

5000

B.

3000

C.

2000

D.

1000

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Questions 13

To centrally deploy and upgrade eSpace IP phones in DHCP Option 246 mode, deploy the DHCP server (mandatory) and HTTP server (optional).

Options:

A.

TRUE

B.

FALSE

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Questions 14

Which of the following statements are CORRECT when the number of CDRs exceeds the maximum number allowed in the CDR pool of the U1900? (Multiple Choice)

Options:

A.

You can select to overwrite earliest CDRs.

B.

You can select to discard new CDRs.

C.

New users may fail to register with the unified gateway.

D.

All users may fail to place calls.

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Questions 15

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

Options:

A.

MTU

B.

OSU

C.

SMCU

D.

DTU

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Questions 16

Entities such as GK, MCU, and Terminal are defined in the H.323 communication protocol suite. The MCU is used for address translation and access control,

Options:

A.

TRUE

B.

FALSE

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Questions 17

Which of the following statements is INCORRECT about the voice mailbox function built in U1960?

Options:

A.

Voice message recording

B.

Voice message storage

C.

Voice message retrieval

D.

Voice message forwarding

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Questions 18

When an eSpace IP phone is deployed with a PC, the network port of the eSpace IP phone must be connected to the switch independently.

Options:

A.

TRUE

B.

FALSE

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Questions 19

Which of the following signaling protocols are categorized as Common Channel Signaling (CCS)? (Multiple Choice)

Options:

A.

SS7

B.

PRA

C.

R2

D.

SIP

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Questions 20

A company deploys a U1981 unified gateway, BMU, and CDRServer. The administrator wants to query CDRs within a time segment. Which of the following methods can the administrator use?

Options:

A.

Run commands to query CDRs on the U1980.

B.

Query CDRs on the CDRServer management page of the CDRServer.

C.

Query CDRs on the eSight.

D.

Open the CDR file under D:\BILL\CurFile on the CDRServer.

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Questions 21

On U1900 series unified gateways, which of the following boards provides DSP resources for calls and plays announcements?

Options:

A.

SCU

B.

OSU

C.

ASI

D.

MTU

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Questions 22

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 to the CDRServer.

Options:

A.

TRUE

B.

FALSE

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Questions 23

User A has registered the call forwarding to the voice mailbox unconditional service. When user A calls user B who has not registered with the call forwarding service, the call is directly forwarded to user B's voice mailbox.

Options:

A.

TRUE

B.

FALSE

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Questions 24

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 configurations are required? (Multiple Choice)

Options:

A.

Configure the default automatic switchboard or automatic switchboard with customized announcements.

B.

To avoid number analysis errors, set the value of minlen for the automatic switchboard access code to the same as the length of the automatic switchboard access code.

C.

Enable software parameter 308.

D.

Enable software parameter 306.

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Questions 25

There are two types of call recording modes: automatic recording and passive recording.

Options:

A.

TRUE

B.

FALSE

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Questions 26

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

Options:

A.

The transmission media is PSTN.

The switching mode is circuit switching.

The VoIP features high bandwidth utilization.

B.

The transmission media is the IP network.

The switching mode is packet switching.

The VoIP features high bandwidth utilization.

C.

The transmission media is the IP network.

The switching mode is packet switching.

The VoIP features low bandwidth utilization.

D.

The transmission media is PSTN.

The switching mode is circuit switching.

The VoIP features low bandwidth utilization.

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Questions 27

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

(Multiple Choice)

Options:

A.

The clock source can be the U1900 itself or the peer device.

B.

The clock is configured to prevent frame slip caused by asynchronous clocks.

C.

If the U1900 is connected to multiple devices using Tl/El trunks, each trunk requires a clock source.

D.

If the U1900 provides the clock source, you still need to configure the clock source.

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Questions 28

For the long number and short number service and number mapping for U1900, which of the following statements is CORRECT?

Options:

A.

Number mapping has the highest priority in number conversion.

B.

The long number and short number service takes effect only for the calling numbers.

C.

The number mapping takes effect only for the calling numbers.

D.

When inner users dial "access code 9" + "called number" to place outgoing calls to the PSTN, the outer-office users can be called successfully even without number conversion.

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Questions 29

Which of the following statements is INCORRECT about the mode for querying the eSpace 7950 IP phone IP address?

Options:

A.

On the IP phone LCD login screen, press the Network softkey and choose Status.

B.

On the IP phone LCD home screen, choose Apps > Status.

C.

When you obtain the current IP address of the IP phone, you can use the administrator account to log in to the web page to query the IP address.

D.

If the IP phone fails to be registered, you can query the IP address only on the IP phone LCD screen.

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Questions 30

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

Options:

A.

FXO port on the PBX connects to the POTS phone.

B.

An FXS port can connect to another FXS port.

C.

An office has deployed an IAD to provide call services for 10 employees. In this scenario, the FXS port on the IAD can be used for PSTN outgoing calls.

D.

The phone line of a POTS phone connects to an FXO port.

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Questions 31

Which of the following statements are CORRECT About PRA and QSIG trunks on U1900? (Multiple Choice)

Options:

A.

These two types of trunks are the same, and their configurations are the same.

B.

A PRA trunk uses DSS1 signaling as the control signaling, while a QSIG trunk uses QSIG signaling as the control signaling.

C.

The signaling used by these two types of trunks is based on network/user model.

D.

For an El trunk, if one end is a PRA trunk and the other end is a QSIG trunk, the two devices at the two ends can still be connected using this El trunk.

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Questions 32

The authentication modes used during SIP number allocation on the U1900 series gateway include (). (Multiple Choice)

Options:

A.

No authentication

B.

by IP

C.

by password

D.

by IP and password

E.

byLDAP

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Questions 33

In U1900 series unified gateway, which of the following is CORRECT concerning number conversion priority?

Options:

A.

Number change < Number mapping < Long and short numbers

B.

Number mapping < Long and short numbers < Number change

C.

Number mapping < Number change < Long and short numbers

D.

Long and short numbers < Number change < Number mapping

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Questions 34

Which of the following statements are CORRECT about the functions of IP phones? (Multiple Choice)

Options:

A.

Supports only the power adapter for power supply.

B.

Supports access of common services with one-button press.

C.

Supports corporate directory access.

D.

Displays line status.

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Status:
Expired
Exam Code: H11-811
Exam Name: Huawei Certified Network Associate - Unified Communication
Last Update: Apr 14, 2023
Questions: 235
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