H11-861_V4.0-ENU 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
John, an SMC system maintenance engineer, wants to start or stop an SC database running a version later than V600R019C10SPCb20. Which user should he switch to to perform database operations?

A.root
B.gauss
C.sc
D.vcexpert

正解:

Question No : 2
Which of the following options is the color space used by H.264 encoded image data?

A.YUV
B.RGB
C.HSV
D.YCbCr

正解:

Question No : 3
The capability set of the T1 terminal includes two combined capabilities: one is {H.261, H.263}/{G.711, G.723, G.728}, and the other is {H.264}/{G.711}.
If T2's capabilities are combined into which of the following options, T2 will not be able to successfully hold a point-to-point conference with T1?

A.264/
B.711
C.261/
D.711
E.263/
F.728
G.264/
H.723

正解:

Question No : 4
In the SIP protocol, the response message "1xx" indicates which of the following options?

A.Indicates that the request message contains a syntax error or the SIP server cannot complete the processing of the request message
B.Further action is required to complete the request
C.Indicates that the request message has been received and is being processed
D.Indicates that the request cannot be fulfilled on any SIP server

正解:

Question No : 5
Which of the following is not a commonly used audio encoding method?

A.Waveform Coding
B.Parameter Encoding
C.Hybrid Coding
D.DCT transform coding

正解:

Question No : 6
The SMC system administrator wants to log in to the SC remotely via SSH. Which of the following is the default port for the admin user to log in to the SC?

A.144
B.122
C.22
D.23

正解:

Question No : 7
When analyzing Wireshark packets, if you want to filter out SIP protocol packets between terminals T1 (IP address 192.168.1.100) and SC (IP address 192.168.1.212), which filter expression can be used?

A.ip.addr!=192.168.1.100 and ip.addr!=192.168.1.212 and sip
B.ip.addr==192.168.1.100 and ip.addr==192.168.1.212 and sip
C.ip.src==192.168.1.100 and ip.dst==192.168.1.212 and sip
D.ip.dst==192.168.1.100 and ip.src==192.168.1.212 and sip

正解:

Question No : 8
Which of the following statements about Huawei's IdeaHub S2 series products is wrong?

A.Equipped with HarmonyOS, distributed smart office provides users with a friendlier and more convenient collaborative interactive experience.
B.The new electronic whiteboard toolbar layout makes writing smoother and operation more convenient.
C.High-fidelity stereo sound field, supporting Auto-Framing and speaker tracking functions.
D.Equipped with a dedicated 8K video conferencing camera, users can hold meetings for long periods of time while the images remain clear and realistic.

正解:

Question No : 9
Which of the following is not part of Huawei's video conferencing anti-packet loss design?

A.When the network packet loss rate is high, ARQ will be automatically enabled based on the network delay.
B.SEC Anti-Packet Loss Technology
C.Automatically activate anti-packet loss strategies by detecting network conditions in real time.
D.Audio Priority

正解:

Question No : 10
Regarding the issue of lip sync during meetings, which of the following descriptions is wrong?

A.This may be caused by different processing delays such as audio encoding and decoding.
B.This may be caused by disorder in the data transmission process.
C.This may be caused by different processing delays such as video encoding and decoding
D.This can be solved by checking whether there is delay jitter in the network.

正解:

Question No : 11
In a Huawei video conferencing system with a bare metal SMC and SC configuration, what is the maximum number of concurrent calls supported by the network?

A.100
B.500
C.1000
D.5000

正解:

Question No : 12
Which of the following is a disadvantage of NAPT?

A.Multiple public IP addresses are required
B.Network flexibility is greatly increased
C.High complexity in configuration and maintenance
D.Low level of network security protection

正解:

Question No : 13
Which of the following descriptions of the SIP protocol is wrong?

A.SIP protocol can be used to establish sessions
B.SIP protocol can be used to control sessions
C.SIP protocol can be used to release the session
D.SIP protocol can be used to transmit sessions

正解:

Question No : 14
Which of the following is not a feature of Huawei's collaboration solution?

A.Powerful audio and video encoding and decoding capabilities
B.Richer application scenarios
C.Voice interaction must be based on PSDN
D.Intelligent human-computer interaction

正解:

Question No : 15
Which of the following conference types does the Huawei SMC video conferencing system not support?

A.AVC
B.SVC
C.HVC
D.Multi-stream hybrid conference

正解:

Huawei H11-861_V4.0-ENU 問題練習