A Review Of Downloadable H11-811 Practice Test

NEW QUESTION 1
Which of the following statements are CORRECT about the voice conference function of U1960? (Multiple Choice)

• A. If a conference is not encrypted, phones can successfully join the conference regardless of whether the phones have SRTP enabled.
• B. If a conference is not encrypted, phones can successfully join the conference only when they have SRTP disabled.
• C. With SRTP enabled, IP phones can join conferences successfully regardless of whether the conferences are encrypted.
• D. With SRTP disabled, IP phones can join conferences successfully regardless of whether the conferences are encrypte

Answer: AC

NEW QUESTION 2
The purpose of using RTP in VoIP network is to (). (Multiple Choice)

• A. Resolve the problem of incorrect sequence of the packets.
• B. Cancel echoes.
• C. Eliminate network jitters generated in the IP network transmission.
• D. Control data flows and congestio

Answer: AC

NEW QUESTION 3
Which of the following statements are CORRECT about data backup and restore on the IP PBX? (Multiple Choice)

• 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 fil

Answer: AD

NEW QUESTION 4
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

Answer: D

NEW QUESTION 5
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.

• A. TRUE
• B. FALSE

Answer: A

NEW QUESTION 6
In U1900 serials unified gateway, which of the following approaches can be used for modifying called numbers for outgoing calls?

• A. Number change
• B. Long and short number
• C. Number mapping
• D. None of the above

Answer: A

NEW QUESTION 7
The eSpace IPT solution architecture consists of several layers including terminal access, call control, and service application layers. Which of the following components belongs to the call control layer?

• A. IAD1224
• B. U1960
• C. eSpace 7910
• D. eSpace 8950

Answer: B

NEW QUESTION 8
For PRA trunk interconnection, timeslot 16 functions as a ().

• A. Media channel
• B. Signaling channel
• C. Clock channel
• D. Voice channel

Answer: C

NEW QUESTION 9
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

Answer: C

NEW QUESTION 10
Which of the following is NOT a function of SDP?

• A. Describes session attributes.
• B. Negotiates session attributes.
• C. Transmits session contents.
• D. Unifies session parameters of all the participant

Answer: C

NEW QUESTION 11
Which of the following functions are supported by the eSpace IFT solution? (Multiple Choice)

• A. Blacklist and whitelist
• B. One number link you (ONLY)
• C. Call hold
• D. Multimedia conferencing

Answer: ABC

NEW QUESTION 12
If an eSpace 7950 works with a 7903X expansion module, the power consumption is high. In this scenario, the eSpace 7950 does not support PoE.

• A. TRUE
• B. FALSE

Answer: B

NEW QUESTION 13
A () network is suitable for an enterprise with no more than 20,000 users that does not have branches or has branches that do not require bcal regeneration.

• A. Single -node
• B. Centralized call management
• C. Distributed call management (peer-to-peer mode)
• D. Distributed call management (aggregation mode)

Answer: A

NEW QUESTION 14
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)

• A. User A dials the number of intra-office user
• B. The call is connected.
• C. User A dials 369, SSSSSS, 0, and outer-office user C's numbe
• D. The call is connected.
• E. User A can use this password on multiple phones.
• F. User B who is enabled with local call restriction knows this password can also place an outgoing cal

Answer: AB

NEW QUESTION 15
During the U1900 operation, the MTU board supports hot swap.

• A. TRUE
• B. FALSE

Answer: A

NEW QUESTION 16
The following requirement can be implemented using ():
A user dials the automatic switchboard number of company A. The system plays an announcement "Thanks for calling XX company. Please dial the extension number. To query numbers/ dial 0". Then, the user can be connected to the desired enterprise user by dialing the corresponding extension number, or connected to the company's operator by dialing 0.

• A. Only one menu
• B. Two menus
• C. Two levels of menus
• D. No additional menu

Answer: A

NEW QUESTION 17
If IP phone A and analog phone B directly register with the same U1960 unified gateway, which of the following statements is CORRECT?

• A. Media streams of A and B do not need to pass through U1960.
• B. If A and B are engaged in a call, the signaling path is different from the media path.
• C. When A and B are engaged in a call and U1960 encounters an unexpected power failure, the call between A and B is not interrupted immediately.
• D. After U1960 is powered off, A and B cannot initiate new call

Answer: D

NEW QUESTION 18
To enable incoming calls to intra-office users are routed through a SIP trunk, which of the following parameters must be set on the U1900 series unified gateway? (Multiple Choice)

• A. Office route and office route selection code of the SIP trunk
• B. Outgoing call prefix
• C. Peer IP address and port number of the SIP trunk
• D. Intra-office call prefix

Answer: ABCD

NEW QUESTION 19
In which of the following conditions may call barring occur? (Multiple Choice)

• A. When the CPU usage of IP PBX exceeds the threshold
• B. When the bill pool of IP PBX is full
• C. When the trunk usage exceeds a certain level
• D. MTU board fault

Answer: AB

NEW QUESTION 20
Which of the following signaling protocols are categorized as Common Channel Signaling (CCS)? (Multiple Choice)

• A. SS7
• B. PRA
• C. R2
• D. SIP

Answer: AB

NEW QUESTION 21
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

Answer: D

NEW QUESTION 22
U1900 series unified gateways are at the access layer in the eSpace UC solution.

• A. TRUE
• B. FALSE

Answer: B

NEW QUESTION 23
For U1900, which of the following steps are involved for configuring a SIP trunk? (Multiple Choice)

• 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 mappin

Answer: BC

NEW QUESTION 24
When the U1900 PRA trunk is faulty, you need to check whether the indicator on the SCU board is normal.

• A. TRUE
• B. FALSE

Answer: B

NEW QUESTION 25
Which of the following boards are for the U1911? (Multiple Choice)

• A. SMCU
• B. SCU
• C. ASI
• D. OSU

Answer: BCD

NEW QUESTION 26
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 devic

Answer: ACD

NEW QUESTION 27
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 defaul

Answer: AC

NEW QUESTION 28
U1980s are interconnected with the carrier PSTN through the PRA protocol. Which of the following boards enables the interconnection?

• A. MTU
• B. OSU
• C. SMCU
• D. DTU

Answer: D

NEW QUESTION 29
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