H11-879_V2.0-ENU HCIE-Collaboration (Written) V2.0 PDF Dumps

1. Download Valid Huawei H11-879_V2.0-ENU Dumps For Best Preparation Exam : H11-879_V2.0-ENU Title : HCIE-Collaboration (Written) V2.0 https://www.passcert.com/H11-879_V2.0-ENU.html 1 / 6

2. Download Valid Huawei H11-879_V2.0-ENU Dumps For Best Preparation 1. When "PT-203" appears in an RCTP message, which type of message does it represent? A. BYE B. APP C. RR D. SR Answer: A 2. In Huawei's video conferencing system, a "region" is a logical entity that can correspond to an actual physical area or a virtual division. A. TRUE B. FALSE Answer: A 3. When an SMC conference administrator is trying to start a meeting, the message " Insufficient access numbers, resulting in the meeting failing" appears. Which of the following reasons is responsible for this? A. " High frame rate sharing" is enabled when holding a meeting B. The " Conference Rate" configured when holding a meeting is too high C. The soft terminal user selected when holding the meeting failed to register successfully D. The virtual conference room function is enabled on SMC, and the " Conference ID Range" is set too large. Too many or all conference IDs are occupied by virtual conference rooms, resulting in no conference IDs available for ordinary meetings. Answer: D 4. Which of the following is the mainstream image quality of H.264? A. H.264EP B. H.264HP C. H.264MP D. H.264BP Answer: B 5. Which of the following descriptions of SC active/standby dual systems are correct? (Multiple choice) IP for external communication and is responsible for sending synchronization data to the backup machine and sending heartbeats to the backup machine at regular intervals. B. The backup SC receives the synchronization data of the host and regularly detects the heartbeat of the host. Once the host heartbeat is not received within a timeout, the master-slave switchover is automatically executed. C. SC active/standby switching is divided into manual switching and abnormal switching, which is initiated and executed by the backup SC. D. When the backup SC detects an abnormal system operation status, it will notify the host to perform a master-slave switch Answer: ABD 6. What is the message type and packet loss rate of RTCP message? 2 / 6

3. Download Valid Huawei H11-879_V2.0-ENU Dumps For Best Preparation A. RR, 55% B. RR, 45% C. SR, 55% D. SR, 45% Answer: A 7. When planning the SC TP address in the network (SC optical network card), a total of 5 IP addresses need to be planned. A. TRUE B. FALSE Answer: A 8. The H.460 protocol is a firewall/NAT traversal standard approved by the International Telecommunication Union (ITU). It primarily consists of which of the following protocols? (Multiple choice) A. H.460.18 B. H.460.19 C. H.460.17 D. H.460.20 Answer: AB 9. In a one-way scheduling scenario using point-to-point mode, if a conference venue is successfully scheduled using the VDC Client, which of the following options will be displayed on the SMC conference administrator interface regarding the number of conference rooms currently in progress? A. 2 B. 5 C. 4 D. 3 Answer: A 10. After adding an independent SC in the SMC system management web client, the SC status light turns red. This phenomenon will not be caused by which of the following reasons? A. The authentication username and password on the SUC and SC sides are inconsistent B. SC device 8443 port service abnormality C. The SMC server IP address can be successfully pinged on the SC server D. Disable ports 8443 to 15660 on the SC Answer: C 11. CALL PROCEEDING signaling CALL PROCEEDING is a message sent by the calling party to the called party, indicating that the call is being processed. A. TRUE B. FALSE Answer: A 12. Under the default system configuration, if the conference administrator turns on "Auto-end meeting " 3 / 6

4. Download Valid Huawei H11-879_V2.0-ENU Dumps For Best Preparation when scheduling a meeting, the meeting will automatically end minutes after all participants leave. (Please fill in Arabic numerals) Answer: 15 13. Before encoding and compression, a frame of a 4CIF image occupies 18.6M% of the storage space. Which of the following is the color depth used? A. 6 bits B. 24bit C. 448 bits D. 12bit Answer: C 14. Assume that T1 and T2 are two terminals registered in the same SC node area (SC enables media routing). After T1 calls T2's number through the SIP protocol, T1 and T2 communicate. Which of the following descriptions of the above calling process is correct? A. The media interaction between T1 and T2 may go through SC B. The call signaling interaction between T1 and T2 must go through SC C. The call signaling interaction between T1 and T2 may or may not go through SC. D. Call signaling and media interaction between T1 and T2 will not go through SC Answer: B 15. When a private network terminal calls a public network terminal and a logical channel is opened, a one-way media stream may occur. Which of the following could be the cause? A. The terminal cannot negotiate capabilities. B. The firewall does not open the corresponding port C. The public network terminal cannot find the private network address D. The terminal cannot determine the master and slave Answer: B 16. During an STP call, which of the following SDP negotiation processes are involved? (Multiple choice) A. Both Invite/ Relnvite and final response (2xx) carry SDP processing B. Invite with SDP, then 2xx response with SDP C. Invite with SDP, reliable 1xx response with SDP and final 2xx response without SDP D. No SDP Answer: ABC 17. Which of the following descriptions about virtual machines and containers is correct? (Multiple choice) A. Containers share the system kernel, and each container is a thread on the server. B. Virtual machines are based on the virtualization of hardware resources, and have high resource utilization C. Virtual machines are more secure than containers D. Containers offer higher isolation than virtual machines Answer: AD 4 / 6

5. Download Valid Huawei H11-879_V2.0-ENU Dumps For Best Preparation 18. VDC (Visual Dispatch Center) is Huawei's visual dispatch solution. Which of the following core functions does it provide? (Multiple choice) A. Post on the wall B. Monitoring Fusion C. Automated deployment D. Multi-layer cascade Answer: ABCD 19. A terminal joins a conference in voice-only mode. After joining, the user operates the terminal to turn on the video. This process includes signaling to close the audio channel, initiate capability negotiation, open the video channel, and open the audio channel. A. TRUE B. FALSE Answer: A 20. Which of the following options are correct about 323? (Multiple choice) A. GK is the entity that provides call control services for H.323 implementation. B. H323 terminal control protocols mainly include H.225 and H.245 C. In the H.323 protocol stack, commonly used video codec protocols include H.264, H.265, G.711, etc. D. H323 was developed by IEIF and is suitable for real-time multimedia communications in packet switching networks. Answer: ABD 21. In a public-private network traversal solution, if you want both public and private network users to be able to view the live video conference, which of the following recording and broadcast server deployment methods is the most secure? A. Deploy the recording and broadcasting server in the DMZ area, then configure NAT on the firewall and open the corresponding communication port B. Deploy the recording and broadcasting server in the enterprise intranet and map the server address to the public network through NAT. C. Deploy the recording and broadcasting server in the intranet, configure a private network address for one network port and a public network IP for the other network port D. Deploy the recording and broadcasting server directly on the public network and provide private network users with access to the public network. Answer: A 22. If a voice channel uses G.728 encoding (total Ethernet/IP/UDP/RTP header length is 60 bytes, encoding rate is 64kbps) and the packetization time is 20ms, then the IP bandwidth required to transmit this voice channel is approximately 88 kbps. A. TRUE​ B. FALSE Answer: B 23. In the BIIZ scenario (SIP proxy mode) traversal network, the LAN2 port of the DMZ proxy SC server 5 / 6

6. Download Valid Huawei H11-879_V2.0-ENU Dumps For Best Preparation needs to be configured as the default routing interface. A. TRUE B. FALSE Answer: A 24. In a multi-channel cascade, how are the multi-channel usage priorities of the upper and lower MCUs allocated? A. The priority of the upper NCU is lower than that of the lower MCU B. The priority of the upper MCU is higher than that of the lower MCU C. You can configure the priority as needed D. Both have the same priority Answer: B 25. What are the main methods of NAT mapping? A. Protocol Mapping B. Static address mapping C. Port Mapping D. Dynamic address mapping Answer: BCD 26. To ensure that digitized audio can be accurately restored to analog audio for output, the sampling frequency must be greater than or equal to twice the highest frequency in the analog signal spectrum. A. TRUE B. FALSE Answer: A 27. When the SIP signaling of the video conferencing terminal is transmitted using the TCP protocol, the terminal does not need to apply for IOP link establishment from the SC before initiating a registration request to the SC. A. TRUE B. FALSE Answer: A 28. Which of the following options is incorrect? A. To configure the SC LAN1 port as the default route, log in to the SC admin account and run the command: system view sys-config network-config default-route lan lan1 B. SMC supports CloudRSE version upgrades via the web interface. C. SMC supports managed terminal version upgrades via the web interface. D. When restoring CloudMCU data, the CloudMCU version to be restored can remain the same as the version used during the backup. Answer: D 6 / 6