Huawei H12-511_V1.0-ENU 問題練習

Question No : 1
Which of the following devices are included in a video security center? (Choose all that apply.)

• A.Video wall
• B.Decoder
• C.Control keyboard
• D.Matrix

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Question No : 2
If a company needs to perform secondary development on a camera (for example, developing the client software for connecting to the camera), which of the following protocols can be used for development?

• A.TCP/IP
• B.Proprietary protocol (HWSDK)
• C.ONVIF
• D.GB/T 28181

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Question No : 3
The video security platform provides functions such as video recording, video image control, video-based alarming, and alarm linkage.

• A.TRUE
• B.FALSE

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Question No : 4
Which of the following is not a feature of the SAN storage architecture?

• A.Low costs and easy installation.
• B.Data is transmitted between hosts and storage systems at a high speed.
• C.Hosts and storage devices can be expanded independently.
• D.High storage capacity utilization.

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Question No : 5
Which of the following is the target recognition process?

• A.Feature point locating - Feature extraction - Target detection - Feature match
• B.Feature extraction - Feature point locating - Feature match- Target detection
• C.Feature match- Feature point locating - Feature extraction - Target detection
• D.Target detection - Feature point locating - Feature point extraction - Feature match

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Question No : 6
The digital video server (DVS) converts analog signals into network signals for transmission.

• A.TRUE
• B.FALSE

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Question No : 7
Which of the following function modules are included in the video management system (VMS)?

• A.Network, stream media forwarding, and storage modules
• B.Encoder, switch, server, and client software
• C.Stream media forwarding, encoding, and video decoding modules
• D.Stream media forwarding, system management, and data storage and analysis modules and client software

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Question No : 8
Which of the following statements are true about video security storage? (Choose all that apply.)

• A.When calculating the number of hard disks required for storage, you need to consider the number of cameras, bit rate, storage duration, storage redundancy, and hard disk RAI
• B.When video streams are stored in stream forwarding mode, a dedicated server must be configured to forward video streams.
• C.When video streams are stored in direct storage mode, high performance is required for configured services.
• D.Cloud storage eliminates the performance bottlenecks of forwarding and storage servers.

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Question No : 9
Which of the following statements is true about the target recognition technology?

• A.Target recognition does not require image collection devices.
• B.Target recognition can be used to identify persons in video images.
• C.In most cases, target match is performed by cameras.
• D.All of the above.

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Question No : 10
Which of the following RAID modes does not support data verification?

• A.RAID 5
• B.RAID 3
• C.RAID 1
• D.RAID 6

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Question No : 11
Which of the following statements are true about cloud storage? (Choose all that apply.)

• A.Easy capacity expansion
• B.Easy management
• C.Customized on demand
• D.High costs

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Question No : 12
Which of the following storage methods are commonly used in the video security system? (Choose all that apply.)

• A.Disk array
• B.Digital video recorder (DVR)
• C.Cloud storage
• D.Network video recorder (NVR)

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Question No : 13
Compared with optical image stabilization, electronic image stabilization has better effect and lower costs.

• A.TRUE
• B.FALSE

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Question No : 14
A longer camera focal length indicates a narrower field of view.

• A.TRUE
• B.FALSE

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Question No : 15
HD cameras have at least ( ) resolution.

• A.2048p
• B.720p
• C.1080p
• D.560p

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