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Huawei H11-811 Huawei Certified Network Associate - Unified Communication Exam Practice Test

Demo: 35 questions
Total 235 questions
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Huawei Certified Network Associate - Unified Communication Questions and Answers

Question 1

The MTU resources are occupied when (). (Multiple Choice)

Options:

A.

An IAD user makes an outgoing call through the PRA trunk.

B.

A POTS user makes an outgoing call through the PRA trunk.

C.

Calls occur between intra IP phone users.

D.

The VU switchboard plays voice files.

Question 2

For U1900, which of the following steps are involved for configuring a SIP trunk? (Multiple Choice)

Options:

A.

Configure routing upon a call failure.

B.

Configure the office route.

C.

Configure the domain name and IP address of the peer device.

D.

Configure number mapping.

Question 3

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 CORRECT? (Multiple Choice)

Options:

A.

User A dials the number of intra-office user B. The call is connected.

B.

User A dials 369, SSSSSS, 0, and outer-office user C's number. The call is connected.

C.

User A can use this password on multiple phones.

D.

User B who is enabled with local call restriction knows this password can also place an outgoing call.

Question 4

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 on the IAD. (Multiple Choice)

Options:

A.

SIP server IP address

B.

FXS users

C.

FXO users

D.

SIP Trunk parameters

Question 5

During the U1900 operation, the MTU board supports hot swap.

Options:

A.

TRUE

B.

FALSE

Question 6

U1900s can be connected to traditional PBXs through () to maximize customers' ROI in the early stage. (Multiple Choice)

Options:

A.

ATO

B.

PRA

C.

SIP

D.

H.323

Question 7

Which of the following statements are CORRECT if an IP phone is restored to factory defaults? (Multiple Choice)

Options:

A.

After a reset to factory defaults, all parameters will be restored to default values

B.

IP phone will retain all the contacts and call history.

C.

IP phone will retain all imported signal tones, language package, and customized wallpapers

D.

On the phone login screen, press and hold down the Home button for 10s, use this method to make IAD Factory Reset.

Question 8

eSpace U1960 can support ( ) analog trunks at most.

Options:

A.

12

B.

72

C.

84

D.

100

Question 9

Which of the following statements is CORRECT about configuring a SIP trunk on the U1900?

Options:

A.

Different domain names can map the same IP address.

B.

A domain name can map different IP addresses.

C.

Domain names and IP addresses must have a one-to-one mapping relationship.

D.

The domain name must be the same as that configured on the peer device connected to the SIP trunk.

Question 10

If two IP phones A and B register with the same U1960, which of the following statements is CORRECT?

Options:

A.

Media streams of A and B need to pass through U1960.

B.

In a call between IP phones A and B, the flow path for signaling streams is the same as that for media streams.

C.

If the U1960 encounters a power outage, the ongoing call (if there is any) between IP phones A and B is disconnected immediately.

D.

If U1960 encounters a power outage, neither IP phone A nor IP phone B can initiate new calls.

Question 11

About number change for the U1900, which of the following statements are CORRECT?

Options:

A.

Number change is available only for the called numbers.

B.

A number change rule is bound to an office route selection code.

C.

A number change rule is bound to a prefix.

D.

The long number and short number service is lower than number change.

Question 12

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

Question 13

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

Options:

A.

The ATO is a type of narrowband trunk.

B.

The SS7 can be configured at the user side or at the network side.

C.

The PRA uses the 30B+D structure.

D.

The R2 refers to CNo.1.

Question 14

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.

Options:

A.

TRUE

B.

FALSE

Question 15

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 eSight.

Options:

A.

TRUE

B.

FALSE

Question 16

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

Options:

A.

Dial *125 on the phone connected to the IAD. Then, the voice announcement plays the IP address.

B.

Dial *128 on the phone connected to the IAD. Then, the voice announcement plays the IP address.

C.

Log in to the IAD through the serial port and run the display ipaddress command to view the IP address of the device.

D.

None of the above

Question 17

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

Options:

A.

Data must be saved before each data backup.

B.

Data must be saved and then restart the IP PBX after importing the data.bin file during each data restore.

C.

Data does not need to be saved during data backup and restore.

D.

TFTP tool must be used to transmit the data.bin file.

Question 18

IP phones can adapt to different networking modes, including UC2.X, UC2.0, IMS+UC, and IMS. Therefore, the networking mode needs to be set based on the actual networking. The default networking mode is UC2.X.

Options:

A.

TRUE

B.

FALSE

Question 19

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

Options:

A.

1

B.

2

C.

3

D.

4

Question 20

Which of the following are necessary steps for configuring the intra-office call service in U1900? (Multiple Choice)

Options:

A.

Configure user numbers.

B.

Configure an intra-office prefix.

C.

Configure a local prefix.

D.

Configure the office route.

Question 21

In U1900 serials unified gateway, which of the following statements about the number change feature are CORRECT?

Options:

A.

The maxlen parameter in the prefix indicates the maximum length after number change.

B.

The maxlen parameter in the prefix indicates the maximum length before number change.

C.

The priority of the number change is higher than that of the long and short numbers.

D.

The priority of the number change is higher than that of the number mapping.

Question 22

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

Options:

A.

The SD card of active SCU board

B.

The SD card of active MTU board

C.

The flash of active SCU board

D.

The flash of active MTU board

Question 23

During the U1900 operation, the MTU board supports hot swap.

Options:

A.

TRUE

B.

FALSE

Question 24

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

Options:

A.

MTU

B.

ASI

C.

DTU

D.

SCU

Question 25

Which of the following statements about the single-node network is CORRECT?

Options:

A.

Analog phones/ fax machines, IP phones, and SoftPhone terminals can directly access unified gateways through the IP network.

B.

The unified gateway can connect to the PSTN through a trunk.

C.

It is recommended that the single-node network be deployed in a large enterprise with many branches.

D.

The primary node does not support a two-node cluster.

Question 26

The CDR transmission control switch is configured on the unified gateway.

Options:

A.

TRUE

B.

FALSE

Question 27

When If4PSTN parameter is set to no, it means ( ).

Options:

A.

outgoing calls are not allowed

B.

internal calls within the virtual PBX cannot go to the PSTN

C.

external users cannot make incoming calls through the PSTN

D.

intra-office call control

Question 28

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 instant conferences.

Options:

A.

TRUE

B.

FALSE

Question 29

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

Question 30

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

Question 31

To upgrade eSpace IP phones in batches in DHCP Option 246 mode, the URLs of files including the firmware file and configuration file are defined in the policy file.

Options:

A.

TRUE

B.

FALSE

Question 32

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

Question 33

On U1900 series unified gateways, which of the following outgoing call rights are available for users of the default level? (Multiple Choice)

Options:

A.

Intra-office call

B.

Local call

C.

National toll call

D.

International toll call

Question 34

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

Question 35

Four intra-office call prefixes 1, 12, 123, and 1234 are configured on a U1900 series unified gateway. When a user dials the intra-office number 12345, the matched intra-office call prefix is

()•

Options:

A.

1

B.

12

C.

123

D.

1234

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Demo: 35 questions
Total 235 questions
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