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Practice Free H11-811 Huawei Certified Network Associate - Unified Communication Exam Questions Answers With Explanation

We at Crack4sure are committed to giving students who are preparing for the Huawei H11-811 Exam the most current and reliable questions . To help people study, we've made some of our Huawei Certified Network Associate - Unified Communication exam materials available for free to everyone. You can take the Free H11-811 Practice Test as many times as you want. The answers to the practice questions are given, and each answer is explained.

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Question # 6

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

A.

TRUE

B.

FALSE

Question # 7

Which of the following is NOT a SIP protocol feature?

A.

Responsible for creating, modifying, and terminating sessions

B.

Based on IP network

C.

A text-based protocol

D.

A transmission-layer protocol

Question # 8

The U1960 can load customized announcements one by one. The available customized announcement channel range is ().

A.

0-251

B.

0-311

C.

252-255 and 261-311

D.

252-255 and 261-380

Question # 9

Which of the following modes can be used by IP phones to obtain IP addresses? (Multiple Choice)

A.

pppoE

B.

ADSL

C.

DHCP

D.

Static IP

Question # 10

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

A.

SS7

B.

PRA

C.

R2

D.

SIP

Question # 11

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

A.

TRUE

B.

FALSE

Question # 12

There is only a fixed-line number on the business card of customer manager A. The fixed-line number is bound to customer manager A's office phone and mobile phone. When a customer dials the fixed-line number, the office phone and mobile phone ring simultaneously. This service is ().

A.

Simultaneous ringing

B.

Hunt group

C.

One number link you (ONLY)

D.

IP phone linkage

Question # 13

The IAD is deployed at the () layer of the eSpace IFF system.

A.

Service

B.

Control

C.

Access and Terminal

D.

Management

Question # 14

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

()•

A.

1

B.

12

C.

123

D.

1234

Question # 15

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

A.

Web configuration interface

B.

LMT

C.

CLI

D.

eSight

Question # 16

Which of the following statements are CORRECT about the instant conference service in U1900? (Multiple Choice)

A.

All the internal users can be invited.

B.

The instant conference service is enabled for all uses by default.

C.

Users with Normal or higher privilege has the instant conference service enabled by default.

D.

Users with Advanced or higher privilege has the instant conference service enabled by default.

Question # 17

To upgrade eSpace IP phones in batches in DHCP Option 246 mode, obtain the IP addresses of the IP phones through () after the IP phones are powered on.

A.

HTTP server

B.

File server

C.

DHCP server

D.

U1900 unified gateway

Question # 18

Add a prefix on the U1960. Set the prefix attributes as follows:

Prefix: 9

Call property: local call

Called number change: None

Calling number change: 1

Display long calling number: Yes

Which of the following statements are CORRECT? (Assume that no additional configurations are required except for the necessary configurations and a trunk has been correctly connected to the peer office.)

(Multiple Choice)

A.

Assume that the number 7000 is an intra-office number short for 05717000. When we use this phone number to call an outer-office user, the calling number displayed on his or her phone is 7000.

B.

Assume that the number 7000 is an intra-office number short for 05717000. When we use this phone number to call an outer-office user, the calling number displayed on his or her phone is 7000.

C.

Assume that the number 7000 is an intra-office number short for 05717000. When we use this phone number to call an outer-office user, the calling number displayed on his or her phone is 05717000.

D.

Assume that the number 7000 is an intra-office number short for 05717000. In normal cases, we can use this phone number to call an outer-office user whose number is 8000.

Question # 19

Which of the following indicates a global error in SIP protocol?

A.

3xx

B.

4xx

C.

5xx

D.

6xx

Question # 20

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)

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.

Question # 21

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.

A.

TRUE

B.

FALSE

Question # 22

An ASI board on the U1960 supports ()POTS users.

A.

9

B.

16

C.

24

D.

32

Question # 23

In an enterprise's VoIP network, IP phone A registers with the U1981, and POTS phone B registers with the same U1981 through an IAD. During a call between phones A and B, which of the following statements are correct about signaling and media streams? (Multiple Choice)

A.

The flow for signaling streams is the same as that for media streams.

B.

Signaling streams must traverse eSpace U1981, while media streams do not.

C.

Media streams are transmitted directly between IP phone A and the IAD.

D.

If eSpace U1981 fails (when the call between phones A and B has been continued for 5 minutes), the call between phones A and B is disconnected immediately.

Question # 24

To centrally deploy and upgrade eSpace IP phones in DHCP Option 246 mode, make a upgrade policy file and specify the upgrade range and policy.

A.

TRUE

B.

FALSE

Question # 25

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.

A.

TRUE

B.

FALSE

Question # 26

Which of the following statements is CORRECT About the IVR function of U1900?

A.

The IVR function applies only to the automatic switchboard service.

B.

The U1900 supports only one IVR automatic switchboard service.

C.

In the automatic switchboard service of the U1900, the greetings are fixed and cannot be changed.

D.

The IVR function can be configured using the LMT.

Question # 27

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.

A.

TRUE

B.

FALSE

Question # 28

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

A.

Start number

B.

Start port number

C.

Start long number

D.

Start user number

Question # 29

Which of the following functions are provided by the MTU board? (Multiple Choice)

A.

Announcement

B.

Conference

C.

Trunking

D.

Connecting POTS phones

Question # 30

A U1911 is separately deployed in two office locations of an enterprise. The two U1911s are connected through a SIP trunk. In this scenario, calls between extensions in the two office locations are ().

A.

Intra-office calls

B.

Local calls

C.

Local intra-office calls

D.

Local regeneration calls

Question # 31

Which of the following statements are CORRECT about R2 signaling? (Multiple Choice)

A.

R2 signaling is a common channel signaling (CCS).

B.

R2 signaling consists of line signaling and inter-register signaling.

C.

Register signaling in R2 signaling is inband signaling.

D.

Line signaling in R2 signaling is used to transmit information such as numbers, user types, and billing.

Question # 32

Which of the following does not bebng to the U1900 cabling specifications?

A.

The PGND cable is grounded based on the nearby principle, and is properly connected to the ground bar.

B.

The length of the PGND cable does not exceed 45 cm. The PGND cable shall be as short as possible, and coiling is forbidden. If the length of the PGND cable exceeds 45 cm, relocate the ground bar.

C.

The PGND cable shall not be in parallel or twisted with signal cables.

D.

Signal and power cables are separated, and analog and digital signal cables are routed together.

Question # 33

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

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 # 34

Starting from a time point, no intra-office user (register to SIP server normally) can make calls, including intra-office and outgoing calls. The reason can be ().

A.

The bill pool is full.

B.

The SCU board is faulty and physical channels are disconnected.

C.

The MTU board is faulty.

D.

U1900 is disconnected.

Question # 35

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

A.

TRUE

B.

FALSE