Pass Huawei H11-861_V4.0 exam questions - convert Test Engine to PDF
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NEW QUESTION # 20
Which of the following operations needs to be performed when you log in to the SC as the admin user using the CLI for the first time?
- A. Change the default password.
- B. Configure the SC IP address.
- C. Delete user configuration.
- D. Configure a default route for SC.
Answer: A
Explanation:
On first CLI login, you must change the default admin password to secure the SC; other network settings can be configured as needed afterward.
NEW QUESTION # 21
A company deployed a new Huawei video conferencing system last year (conference rooms are managed by organization). Now, the company plans to add 50 Box 610 devices to meet service requirements. In addition, the company plans to change the conference room management mode to area management in the SMC system to meet their new conference room management requirements. In this case, before provisioning new conference rooms, you can directly click Organization Management to switch to Area Management on the SMC web interface.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
You cannot directly switch from organization to area management when existing conference rooms are bound under organization management; you must first complete the migration process (such as unbinding or reassigning rooms) before the switch becomes available.
NEW QUESTION # 22
Which of the following statements are true about the multi-level protection of the collaboration hardware platform? (Choose all that apply.)
- A. Fan backup is provided.
- B. Network port backup is provided.
- C. Disk backup (RAID) is provided.
- D. Power supply backup is provided.
Answer: A,B,C,D
Explanation:
The collaboration hardware platform implements full redundancy: network ports, fans, power supplies, and disks (RAID) - to ensure high availability and fault tolerance.
NEW QUESTION # 23
Which of the following statements are true about the intranet-only SC cluster network? (Choose all that apply.)
- A. 323 endpoints must register with a standalone SC when an intranet-only cluster is used.
- B. If a large number of SIP hard endpoints or soft clients are located on the intranet, you can deploy a registration SC cluster on the intranet.
- C. A standalone SC should be deployed to provide registration services specifically for H.323 endpoints.
- D. The intranet SC cluster supports two distribution modes: single-active distribution and multi-active distribution.
- E. The intranet registration SC cluster provides only SIP registration.
Answer: B,C,D,E
Explanation:
Deploying an intranet registration SC cluster is recommended when there are large numbers of SIP hard or soft endpoints.
Explanation:
An intranet-only SC cluster handles SIP registrations exclusively, offloading SIP endpoint load.
The cluster can be deployed in single-active or multi-active distribution modes for flexibility and redundancy.
NEW QUESTION # 24
Which of the following statements are true about personal virtual meeting room (VMR) provisioning?
- A. The SMC can provision personal VMRs to conference rooms only one by one.
- B. The SMC can provision personal VMRs to conference users one by one or in batches.
- C. The SMC can provision personal VMRs to conference users only one by one.
- D. The SMC can provision personal VMRs to conference rooms one by one or in batches.
Answer: B,D
Explanation:
The SMC's service provisioning functions include both single-item and batch modes for personal VMR assignment, whether you're binding VMRs to conference rooms or to individual users, you can provision them one by one or import a list and provision them in bulk.
NEW QUESTION # 25
In a SIP multipoint conference, if BFCP Trans Type is set to TCP on the MCU, the BFCP communication protocol must be set to TCP on the endpoint.
- A. FALSE
- B. TRUE
Answer: B
Explanation:
BFCP transport must match between the MCU and endpoints; if the MCU is configured for TCP, endpoints must also use TCP for BFCP.
NEW QUESTION # 26
Assume that a dual-channel audio file uses the PCM encoding, the sampling frequency is 8 kHz, and each quantized sample value corresponds to an 8-bit binary code. What is the encoding rate (kbit/s) of the audio file?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
Dual-channel PCM at 8 kHz with 8 bits per sample yields 8,000 × 8 = 64 kbit/s per channel; two channels give 64 × 2 = 128 kbit/s.
NEW QUESTION # 27
At an SMC video conferencing system site, the customer wants to deploy a conferencing system with converged firewall ports, with a planned DMZ. The SC1 is deployed on the intranet and SC2 is deployed in the DMZ. In this case, which of the following deployment modes is the most suitable one for SC1 and SC2?
- A. SC1 and SC2 are both registration SCs.
- B. SC1 is the registration SC, and SC2 is the proxy SC.
- C. SC1 is the proxy SC, and SC2 is the registration SC.
- D. SC1 and SC2 are both proxy SCs.
Answer: B
Explanation:
Deploying SC1 as the registration SC on the intranet allows internal endpoints to register directly, while placing SC2 as a proxy SC in the DMZ handles external signaling traversal and secures the demilitarized zone.
NEW QUESTION # 28
Which of the following statements is false about point-to-point calls?
- A. During a point-to-point call, the Alerting signaling is used during the H.225/RAS connection.
- B. During a point-to-point call, the called endpoint sends a call request to the GK after receiving a SETUP message.
- C. During a point-to-point call, the GK receives two call requests.
- D. During a point-to-point call, H.245 performs capability set matching before the logical channel is opened.
Answer: A
Explanation:
Alerting is part of the H.225 call-signaling sequence, not the RAS interface, so it is not used over the RAS channel.
NEW QUESTION # 29
SIP and SDP are independent of each other. SIP can implement multimedia calls independently to add new applications or media easily.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
SIP relies on SDP for session description in multimedia calls; it cannot negotiate media parameters independently of SDP.
NEW QUESTION # 30
In the SIP protocol, the Via header field indicates the route of the subsequent response message.
- A. FALSE
- B. TRUE
Answer: B
Explanation:
The Via header tracks each hop of the request and is used to guide the response back along the same path.
NEW QUESTION # 31
An AVC conference is scheduled on the CloudMCU (working in SFU mode) and VP9850 (working in IAU mode). After the conf get strmInfo 41353221 command is executed on the CloudMCU, the following information is displayed:
Which of the following is the video stream number generated after the IAU decodes and re-encodes the three video streams of Site (16), Site (17), and Site (18)?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
In SFU+IAU mode, the IAU's re-encoded (decoded and encoded) streams are identified by the MpAdaptStrmNo value under Site(18). In the output, MpAdaptStrmNo[2710124429803] is the stream number carrying all three re-encoded video channels.
NEW QUESTION # 32
Which of the following information is displayed when you run the CloudMCU debugging command "mswt-media allflow"?
- A. Conference and participant numbers of the ongoing conferences on the MCU
- B. Bit rates of all ongoing streams
- C. Current system information of the CloudMCU
- D. MCU operation logs
Answer: B
Explanation:
The mswt-media allflow command reports the bit rates of all ongoing media streams on the CloudMCU; it does not display conference/participant counts, system info, or logs.
NEW QUESTION # 33
SIP is an application-layer protocol independent of the transport-layer protocols. It can be carried over different transport protocols, such as UDP, TCP, TLS, and SCTP. Currently, SCTP is the most commonly used transport-layer protocol.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
While SIP is transport-agnostic and can run over UDP, TCP, TLS, or SCTP, UDP remains the predominant transport - SCTP is not the most commonly used.
NEW QUESTION # 34
Which of the following header fields is used to indicate the route of a response message?
- A. Via
- B. Contact
- C. To
- D. From
Answer: A
Explanation:
The Via header records each hop a request takes and is used to route the corresponding response back along the same path.
NEW QUESTION # 35
The new and old MCU architectures differ in bandwidth and codec resource usage during cascading. The new architecture supports multiple working modes, such as MCU, SFU, and IAU. The old architecture does not provide different working modes of the MCU. Which of the following statements is false about MCU cascading?
- A. When MCUs of the new architecture are cascaded, both the cascading channel and proxy channel consume bandwidth and codec resources.
- B. When MCUs of the old architecture are cascaded, the cascading channel consumes bandwidth and codec resources.
- C. When the MCU of the old architecture is cascaded with the MCU of the new architecture, the cascading channel consumes bandwidth and codec resources.
- D. When the MCU of the old architecture is cascaded with the MCU of the new architecture, the proxy channel consumes bandwidth and codec resources.
Answer: C
Explanation:
When cascading an old-architecture MCU with a new-architecture MCU, only the proxy channel on the new side consumes bandwidth and codec resources - the legacy MCU's cascading channel is not used.
NEW QUESTION # 36
Which of the following is the maximum number of cascaded conference levels supported by the SMC?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Huawei's SMC supports cascading up to four conference levels for multi-level conferencing, ensuring efficient management and control across up to four tiers.
NEW QUESTION # 37
Which of the following network elements can be utilized to centrally manage and control, remotely schedule shutdowns, and perform batch OTA upgrades for 10,000 IdeaHub ES2 Plus devices?
- A. IdeaManager
- B. eSight
- C. iManager U2000
- D. SMC
Answer: A
Explanation:
The IdeaManager platform is designed for large-scale IdeaHub device management, offering centralized control, remote shutdown scheduling, and batch over-the-air upgrades for fleets of up to millions of devices, including 10,000 ES2 Plus units.
NEW QUESTION # 38
Assume the SMC system administrator wants to remotely log in to the SC in SSH mode. Which of the following is the default port for the admin user to log in to the SC?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
SSH uses port 22 by default for secure CLI access to the SC admin account.
NEW QUESTION # 39
In a Huawei video conference, which of the following may cause echoes or even high-pitched noises when the local participant speaks? (Choose all that apply.)
- A. The microphone is too close to the speaker.
- B. An audio loop exists. The external audio device feeds back the sound from the endpoint output port to the endpoint input port.
- C. Another participant whose speaker is turned off is at the local site.
- D. The endpoint's input volume is lower than the minimum energy threshold required for echo cancellation.
Answer: A,B,D
Explanation:
If the input volume falls below the echo canceller's detection threshold, the device can't identify and suppress return audio, leading to echoes or squealing.
An audio loop, where output is fed back into the input, directly causes echo and feedback noise.
Placing the microphone too close to the speaker allows direct pickup of its output, resulting in echo and potential high-pitched feedback.
NEW QUESTION # 40
When Dual-screen mode is set to Manual for the Box 310/610, which of the following options can be selected for Output port policy? (Choose all that apply.)
- A. Single-screen
- B. Extended mode 1
- C. Extended mode 3
- D. Extended mode 2
Answer: A,B,D
Explanation:
In Manual dual-screen mode on the Box 310/610, you may select Single-screen or one of the two Extended modes (Extended mode 1 or Extended mode 2); Extended mode 3 is not supported.
NEW QUESTION # 41
In a hybrid multistream conference, SVC and AVC endpoints can join the conference at the same time. By default, the system provides the same continuous presence experience as the AVC conference.
- A. FALSE
- B. TRUE
Answer: B
Explanation:
In a hybrid multistream conference, the MCU's built-in media resources run in dual-mode (AVC+SVC) intelligent adaptation by default, and when SVC and AVC participants view each other, the system automatically delivers the same continuous-presence layout and experience as in an AVC (universal transcoding) conference.
NEW QUESTION # 42
The Call priority protocol on the Box 310 endpoint is set to SIP by default.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 43
The virtual conference ID range of the SMC video conferencing system is set to 9100000 to 9299999. Which of the following may be the ID of a new common conference (that is not bound to a VMR)? (Choose all that apply.)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A,C
Explanation:
Only IDs within the configured range 9100000-9299999 are valid for new common conferences; 9288889 and 9100009 fall in this range, whereas 9688889 and 9300001 do not.
NEW QUESTION # 44
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