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H11-879 Sample Questions Answers

Questions 4

In the SMC2.0 service area configuration, each service area can only be configured with one server prefix. () Right or Wrong

Options:

A.

Right

B.

Wrong

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Questions 5

The SMC2.0 resource pool solution can improve the reliability of the videoconferencing system. If the MCU in use suddenly goes down during a conference, which of the following principles will SMC2.0 choose to use as a backup MCU? () Multiple choice

Options:

A.

Same service area first

B.

MCUs with the same prefix are preferred

C.

The MCU with the most remaining resources in the same service area is preferred

D.

Among all MCUs, the MCU with the most remaining resources is preferred

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Questions 6

In the U1900 unified gateway, outgoing calls need to be configured in a certain order. The following configuration process is correct () Multiple choice

Options:

A.

Office route selection code -> office route -> trunk -> prefix

B.

Office route selection code -> Trunk -> Office route -> Prefix

C.

Office route selection code -> prefix -> office route -> trunk

D.

Office route selection code -> Trunk -> Prefix -> Office route

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Questions 7

The terminal number or name needs to be protected in the SMC2.0 system to avoid accidental modification. The most appropriate method is () (single choice)

Options:

A.

Configuration template

B.

Configuration lock

C.

Use unmanageable device

D.

Modify terminal password regularly

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Questions 8

What technologies are adopted by TE series terminals to ensure the safety of signaling and media data? () (multiple choice)

Options:

A.

Support TLS protocol to ensure the security of HTTP, LDAP, FTP data transmission

B.

Provide a secure management channel through TELNET by default

C.

Support H.235, SIP over TLS, SRTP at the same time to ensure the safety of signaling and media data

D.

At the maintenance and management level, it supports password complexity checking and anti-brute force cracking mechanism

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Questions 9

In the converged conference MCU central networking mode, what method does the eSpace PC support to join the conference directly with the chairman authority? () (multiple choice)

Options:

A.

Key in the conference list

B.

Dial in

C.

Join by email link

D.

Invitation from outside

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Questions 10

In the U1900+SC solution, if you need to restrict the video conferencing system's permission to call out PSTN phones through U1900, which statement is correct () (multiple choice)

Options:

A.

By default, when the video conference system uses the U1900 system to make voice calls, it has the right to call intra-office/local/domestic long-distance calls

B.

By default, when the video conference system uses the U1900 system to make a voice call, Permission to make intra-office/local calls

C.

If the video conferencing system needs the permission to call international long distance through the U1900 system, it can be modified by modifying the SIP trunk related trunkgroup calling permission between U1900 and SC.

D.

If the video conference system needs the permission to call international long distance through the U1900 system, it can be modified in U1900 by modifying the access code prefix permission of the video conference system

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Questions 11

What protocol does the video conference terminal use to ensure the security of SIP signaling transmission () (single choice)

Options:

A.

TLS

B.

SRTP

C.

HTTPS

D.

RTCP

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Questions 12

In the SIP response message, which of the following messages are numbered 300-399? ()

Options:

A.

success

B.

Redirect

C.

Client error

D.

Server error

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Questions 13

Which of the following backup methods is not supported by VP9660 MCU? ()

Options:

A.

Main control board backup

B.

Power backup

C.

IP/E1 line backup

D.

Media/signaling board backup

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Questions 14

The U1900 system is connected to the PSTN through a digital trunk. In U1900, phone A cannot call user B's On mobile phone, user B can call back phone A normally. Which of the following reasons may cause this failure? () (single choice)

Options:

A.

The digital trunk connection between U1900 and PSTN is faulty.

B.

Phone A is not registered properly.

C.

Phone A outbound call permission restriction

D.

Phone A has been added to the system's blacklist of called parties

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Questions 15

Which of the following information is contained in the RTP packet () (multiple choice)

Options:

A.

Type of transmission media

B.

Number of lost packets

C.

serial number

D.

Timestamp

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Status:
Expired , and Replaced By
Exam Code: H11-879
Exam Name: HCIE-Enterprise Communication (Written)
Last Update: Apr 14, 2023
Questions: 106
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