Network Troubleshooting and Configuration for Huawei Collaboration V3.0, Exams of Advanced Education

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Exam : H11-861_V3.

Title :

https://www.passcert.com/H11-861_V3.0.html

HCIP-Collaboration V3.

1. Cloud C commissioning command, mswt-media trace , which of the following statements is correct? A. DstStmNO is the source stream number B. Flag is 1 means printing Nalu information C. SrcStmNO is character type D. Flag can take values -1, 0, 1 Answer: B 2.Cloud MCU debugging command: mswt-media allflow, the following are the options of this command? A. Display all ongoing code stream rates B. Display MCU operation log C. Display the conference number and venue number currently in progress on the MCU D. Display the current system information of Cloud MCU Answer:A 3.H.264 video divides images into three types of frames: I, P, and B. Among them, frame a uses inter-frame coding, and frame b uses intra-frame coding. Which of the following statements about types a and b is correct? A.B.P. B.P.I. C.I.P. D.I.B. Answer: B
2. John is an SMC system operator. He tries to deploy an independent SMC on a new bare metal server. Which installation scenario should he choose? A. MEDIUM B. Cloud Link Edge 1000 C. LARGE D.STANDRD Answer: C
3. John is an SMC system operator. He tries to deploy SMC and SC co-deployment on a new bare metal server that meets the minimum requirements for co-deployment. Which installation scenario should he choose? A. MEDIUM B. Cloud Link Edge 1000 C. LARGE D.STANDRD Answer:A
4. John wants to configure two NAT mappings about SC on the firewall by referring to the figure below. Which of the following destination address translation methods should he use? A. One-to-one conversion between public network port and private network address

A. sc_update_docker.sh B.Sc_deployment_docker.sh C. Online_update_S sh D.Deployment.Sh Answer: D

13. In versions after SHC 21.0.100.SPC103, the SMC server is powered off and restarted abnormally. After restarting, a container is found to be abnormal or missing. There is a "disaster recovery exception" alarm in the SKC system. To ensure that the business can run normally, you can Which of the following actions is used to recover a lost container? A. Sh /home/smc_mange/command/recovery_container.sh B. Sh/home/sc/startCronForScUpdate.sh C. Sh/home/smc_manage/command/recreate_container.sh D. Sh/hone/smc_mange/command/stop_all.sh Answer: C 14.Which of the following does the flexible extension mechanism of the SIP protocol refer to? A. Add header fields and message types B. Text protocols are easy to extend C. Media negotiation uses SDP to facilitate adding new media features D. Add misalignment check Answer:A
14. The SMC system administrator enabled the SC mandatory media routing policy on SKC. The conference administrator John successfully booked the conference but all parties were unable to join the conference. Which of the following reasons could this fault occur? A. The terminal version is too old and the compatibility switch on the SMC is not turned on. B. The party joining the conference is a soft terminal C. License has no traversal traffic D. No one answers at each terminal side Answer: C
15. In the scenario where SMC and SC are co-located, the SMC system administrator manually upgrades the SC version and decompresses the new version V600R019CL0SPCb21 upgrade package. Which of the following scripts should be executed? A. sc_deployment_docker.sh B. SMC_Docker.sh C.Sc_update_docker.sh D. ScinstallVithDocker.Tar Answer:A 17.T1, T2 and T3 are three terminals under the same SC node area and have all been successfully registered using the SIP protocol. When T2 and T3 are on a call, T1 calls T2’s number through the SIP protocol, then the SC will recover. Which of the following response codes should be given to T1?

A. 486

B. 483

C. 487

D. 408

Answer:A 18.T1 and T2 are two terminals in the same SC node area (authentication policy enabled) and both have successfully registered using the SIP protocol. When T1 calls T2's number through the SIP protocol, the SC replies to T1 ""100 trying"" message, which of the following response codes will SC reply to T immediately afterwards? A. 403 B. 408 C. 404 D. 407 Answer: D 19.How many Opus pure audio ports can the VP9830 support? A. 500 B. 2000 C. 1500 D. Answer: D 20.What is the reason for the call failure? A. The called person is offline B. Capability negotiation failed C. Insufficient call bandwidth D. Being called busy Answer:A

21. When a single MCU port capacity is insufficient in a multipoint conference, which of the following methods can be adopted to ensure the normal holding of the conference? A. Add a new participant terminal B. Add MCU to this service area C. Change the venue terminal number prefix D. Change the number prefix of the MCU Answer: B
22. When a user wants to check the network jitter of a terminal receiving and sending data during a video conference, which parameter needs to be checked in the Flash interface of Nlog? A. Check ARL and ASL B. Check VRL and VSL C. Check NRJ and NSJ D. Check XRL and XSL

A. The call signaling interaction between T1 and T2 may or may not pass through the SC. B. The media interaction between T1 and T2 may or may not go through SC. C. Media interaction between T1 and T2 must go through SC: D. The call signaling interaction between T1 and T2 must go through SC Answer: D

29. Assume that T1 and T2 are two radio terminals registered under the same SC node area (SC does not enable signaling routing). After T1 calls T2's number through the H.323 protocol, T1 and T2 communicate. Regarding the following description of TCP link establishment during the Q.931 signaling interaction between T1, T2, and SC during the above call, which option is correct? A. When there is a TCP link between T1 and SC, SC actively sends a TCP link establishment request to T1. B. When there is a TCP link between T2 and SC, T2 actively sends a TCP link establishment request to SC. C. When there is a TCP link between T1 and SC, T1 actively sends a TCP link establishment request to SC. D. When there is a TCP link between T2 and T1, SC actively sends a TCP link establishment request to T2. Answer: C
30. Assume that T1 and T2 are two radio terminals registered under the same SC node area (SC does not enable signaling routing but enables media routing). After T1 calls T2's number through the H. protocol, T1 and T2 communicate. Which of the following descriptions of signaling and media during the above call process is incorrect? A. During the above call process, the H.245 signaling interaction between T1 and T2 does not go through the SC. B. During the above call process, the Q931 signaling interaction between T1 and T2 does not go through the SC. C. During the above call process, the Q931 signaling interaction between T1 and T2 passes through the SC. D. During the above call process, the media interaction process between T1 and T Answer: C
31. Assume that T1 and T2 are two radio terminals registered under the same SC node area (SC enables signaling routing). After T1 calls T2's number through the H.323 protocol, T1 and T2 communicate. Which of the following descriptions of the above call process is incorrect? A. After T1 receives the ACF message replied by SC, T1 will send a TCP link establishment request to SC. B. After the ICP link between T1 and SC is established, 11 will send a SETUP message to SC. C. After T1 receives the ACF message replied by SC, SC will send a TCP link establishment request to T1. D. After SC receives the SETUP message sent by T1, it will reply with a CALL PROCEEDING message to T1, and then SC will send a TCP link establishment request to T2. Answer:A

32. Assume that T3 and T4 are two radio terminals registered under the same SC node area (SC enables signaling routing and media routing). After T3 calls T4's number through the H.323 protocol, T3 and T communicate. Which of the following descriptions of signaling and media during the above call is correct? A. During the above call process, the Q.931 signaling interaction between T3 and T4 does not go through the SC. B. During the above call process, the Q.931 signaling interaction between T3 and T4 passes through SC C. During the above call process, the media interaction between T3 and T4 does not go through the SC. D. During the above call process, the H.245 signaling interaction between T3 and T4 does not go through the SC. Answer: B
33. Which of the following protocol payloads can be used to encapsulate various application data, such as video compressed data, audio compressed data, etc.? A. RTSP B. RSVP C. RTCP D.RTP Answer: D
34. When two terminals are making a point-to-point number call, when will the called single-selection terminal send a call request to GK? A. After the called party sends the connect message A B. After receiving the setup signaling, the called party C. After the called party sends call proceeding D. After the called party conducts master-slave negotiation with the calling party Answer: B
35. In the bare metal medium-sized co-location networking scenario, in which single-choice mode are SMC and SC deployed in the Euler operating system? A. java process B. Docker container C. Database .dat file format D. Executable script.sh format Answer: B
36. When a GK wants to reject the single-choice request for terminal IP address resolution sent by a neighbor GK, which of the following signaling can be sent? A. GRO B. RRO C. LRO D.LRJ Answer: D

subtitles. Which of the following is the possible reason? A. The video input interface of the terminal that cannot display subtitles is faulty. B. The subtitle format sent by the conference administrator is T. C. The subtitle format sent by the conference administrator is non-T. D. The video output interface of the terminal that cannot display subtitles is faulty. Answer: B

42. The SMC video conferencing system at a certain site has a DMZ area, and the target external network terminals include both SIP terminals and a small number of H.323 terminals. The internal network is SCL and the DMZ area is SC2. Which of the following deployment forms is most suitable? A. SC1 is the agent SC and SC2 is the registered SC. B. SC1 is the registered SC. SC2 is the agent SC. C. SC1 is registered SC, SC2 is registered S D. SC1 is the agent SC and SC2 is the agent SC. Answer: C
43. The SMC video conferencing system at a certain site has an EDMZ area and the external network terminals are all SIP terminals. The internal network is SC1 and the DMZ area is SC2. Which of the following deployment forms is most suitable? A. SC1 is the registered SC. SC2 is the agent SC. B. SC1 is agent SC, SC2 is agent S C. SC1 is the agent SC, SC2 is the registered S D. SC1 is the past SC and SC2 is the registered SC. Answer:A