[Nov-2021] Verified Huawei Exam Dumps with H11-879 Exam Study Guide
Best Quality Huawei H11-879 Exam Questions Exam-Killer Realistic Practice Exams [2021]
NEW QUESTION 48
In the U1900+SC solution, if a conference reservation is made through SMC2.0 and a multi-party telephone terminal is called, the following statement is correct () multiple choice
- A. If there is a PSTN phone in the conference held by the video conferencing system, the media stream of this PSTN phone must go through the U1900 system
- B. After each IP phone terminal completes the audio mixing on the U1900, it is sent to the MCU. If there is a video phone in the IP phone, its video media is directly sent to the MCU
- C. After each IP phone terminal mixes on U1900, U1900 sends the mixed voice to MCU
- D. Each IP phone terminal directly interacts with the MCU for media streaming
Answer: A,D
NEW QUESTION 49
In the U1900 series unified gateways, regarding the relationship between prefix, office direction, office direction selection code and trunk, the correct statement is () multiple selection
- A. One prefix can only correspond to one office direction selection code
- B. The correspondence between office direction selection code and office direction is one-to-many
- C. One office route selection code can only correspond to one prefix
- D. One office route can correspond to multiple different types of relays
Answer: A,B
NEW QUESTION 50
In the message classification of the RTCP protocol, which of the following messages describe the receiving statistics data of the receiving gateway? ()
- A. BYE
- B. SDES
- C. RR
- D. SR
Answer: C
NEW QUESTION 51
How many pixels of a camera with 1080P image resolution equivalent ()
- A. 2 million
- B. 2.3 million
- C. 800w
- D. 0
Answer: A
NEW QUESTION 52
The SMC2.0 batch number allocation function supports the addition, modification and deletion of unmanageable sites, excluding ISDN sites () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 53
When the number of bills exceeds the limit of the number of bill pools of the U1900 unified gateway, which statement is correct? () (multiple choice)
- A. can be set to choose to overwrite old bills
- B. It may cause the unified gateway to fail to register new users
- C. can be set to discard new bills
- D. May cause all users to be unable to initiate calls
Answer: A,C,D
NEW QUESTION 54
After adding the VP9650 MCU to the SMC2.0 in a manageable way, the MCU is offline. Which of the following descriptions is correct? () (multiple choice)
- A. The HTTP connection password on the SMC2.0 is inconsistent with the connection password setting on the MCU
- B. The SNMP mode setting of MCU is inconsistent with SMC2.0
- C. There is a firewall between MCU and SMC2.0, port 5000 may be blocked
- D. The MCU connection method is wrong, it may not be SMC2.0
Answer: C,D
NEW QUESTION 55
Which of the following signaling is included in a SIP call? () (multiple choice)
- A. ACK
- B. 200 OK
- C. Invite
- D. Set UP
Answer: A,B,C
NEW QUESTION 56
Built-in MCU terminal plus RSE network, without the help of SMC, the functions that can be implemented independently on the terminal do not include () (single choice)
- A. Three-party live conference
- B. Point-to-point live conference
- C. Point-to-point recording meeting
- D. Recording resource management
Answer: D
NEW QUESTION 57
In the H.460 public and private network traversal single SC network, the H.245 TCP connection of the private network terminal is established with the TS (traversal server). () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 58
Hold a 720P30 conference with low frame rate secondary stream, the recommended conference bandwidth is
768Kbps, and the recommended network. The bandwidth is 1.5 times the conference bandwidth. () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 59
Regarding the upgrade method of eSpace IP phones, which of the following statements is correct () Multiple choice
- A. Support automatic upgrade
- B. Support single upgrade on the eSight interface
- C. Support manual upgrade
- D. Support unified upgrade on the U1900 series unified gateway web management interface
Answer: A,B,C
NEW QUESTION 60
E1 and 4E1 lines do not support H.460 traversal networking. () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 61
Regarding the IP phones and analog phones in the U1900 system, which of the following statements is correct ()
- A. If IP phone A and analog phone C (directly connected to the ASI board of U1900) are successfully registered to U1900, when A calls C, U1900 may not contain MTU board
- B. If you want to successfully register IP phones A and B to the U1900 system, the U1900 system must include the MTU board
- C. When IP phones A and B have successfully registered to the same U1900 system, if IP phones A and B are able to dial each other, the U1900 system must include an MTU board
- D. When IP phone A and B have successfully registered to the same U1900 system, if IP phone A calls When calling IP phone B, IP phone B is busy, then if you need IP phone A to hear busy Line tone, the U1900 must contain MTU board
Answer: D
NEW QUESTION 62
In the VoIP system, what are the factors that affect the quality of voice calls () (multiple choice)
- A. delay
- B. Jitter
- C. bandwidth
- D. Packet loss
Answer: A,B,C,D
NEW QUESTION 63
Using the VPC620 camera, the OSD image interface image as shown in the figure appears on the display screen, the following description is correct () (multiple choice)
- A. This OSD interface is caused by the TV settings and needs to modify the TV configuration
- B. Press the delete button on the remote control twice in succession to cancel this OSD interface
- C. This OSD interface displays camera information, which is only displayed in local mode, not in remote mode
- D. Press the mode button of the camera to cancel this OSD interface
Answer: B,C
NEW QUESTION 64
An enterprise has deployed eSight network management, DNS server and DHCP server on its existing network. For deploying 200 IP phones, which of the following methods cannot achieve batch configuration of TR069 parameters? ()
- A. Configure the eSight domain name and IP address mapping in the DNS server
- B. Batch delivery via DHCP Option 246 field
- C. Through the web configuration interface of IP Phone
- D. Use access scan
Answer: C
NEW QUESTION 65
One MCU supports 24-port 1080P30. Which of the following conference scenarios can be supported through configuration? ()
- A. 12 1080P30 venues + 24 720P60 venues
- B. 24 1080P30 venues
- C. 6 1080P30 venues + 24 720P30 venues
- D. 12 1080P60 venues + 24 4CIF venues
Answer: B,C
NEW QUESTION 66
The public and private network traversal problems solved by the H.460 protocol mainly include () (multiple choice)
- A. Private network terminal calls public network terminal
- B. The private network terminal receives the media stream sent by the public network terminal
- C. The public network terminal receives the media stream from the private network terminal
- D. Public network terminal calls private network terminal
Answer: B,D
NEW QUESTION 67
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)
- A. By default, when the video conference system uses the U1900 system to make a voice call, Permission to make intra-office/local calls
- B. 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
- 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
Answer: A,C
NEW QUESTION 68
Which of the following backup methods is not supported by VP9660 MCU? ()
- A. Power backup
- B. Media/signaling board backup
- C. IP/E1 line backup
- D. Main control board backup
Answer: C
NEW QUESTION 69
RSE6500 supports synchronous recording of three screens and telepresence for synchronous playback. The correct description of its implementation principle is () (single choice)
- A. With the help of an analog video synthesizer, the three-screen telepresence is combined into a three-screen, and then sent to RSE for recording
- B. With the help of MCU, the three-screen telepresence is combined into a three-screen, and then sent to RSE for recording
- C. The three-screen telepresence synthesizes a three-screen by itself, and then sends RSE to record
- D. Three-screen telepresence directly sends three streams to RSE for recording
Answer: B
NEW QUESTION 70
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
- A. Same service area first
- B. MCUs with the same prefix are preferred
- C. Among all MCUs, the MCU with the most remaining resources is preferred
- D. The MCU with the most remaining resources in the same service area is preferred
Answer: A,B,D
NEW QUESTION 71
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