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H12-511-V1-0 Practice Exam — Free 60+ Questions

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Question 1

Which of the following functions are provided by the IVS? (Choose all that apply.)

A Head counting
B Alarm linkage
C Abnormal behavior detection
D Automatic alarm reporting

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Which of the following media does not require a repeater for long-distance (dozens of kilometers) video and control signal transmission?

A Coaxial cable
B Optical fiber
C Power cable
D Twisted pair

Which of the following statements are true about the differences between the digital video recorder (DVR) and network video recorder (NVR)? (Choose all that apply.)

A The number of cameras that can connect to a DVR or NVR varies depending on the DVR or NVR specifications.
B DVRs connect to analog cameras, and NVRs connect to network cameras.
C Both DVRs and NVRs store video signals.
D Both DVRs and NVRs need encode video signals for storage.

Which of the following statements are true about the relationship between the lens and the depth of field (DoF)? (Choose all that apply.)

A Long-focus lens has a small DoF.
B Long-focus lens has a large DoF.
C Wide-angle lens has a large DoF.
D Wide-angle lens has a small DoF.

A larger CMOS size indicates better photosensitive performance.

A TRUE
B FALSE

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HD cameras have at least ( ) resolution.

A 2048p
B 720p
C 1080p
D 560p

A longer camera focal length indicates a narrower field of view.

A TRUE
B FALSE

Compared with optical image stabilization, electronic image stabilization has better effect and lower costs.

A TRUE
B FALSE

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)

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

Which of the following RAID modes does not support data verification?

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

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.

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 RAID.
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.

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

The digital video server (DVS) converts analog signals into network signals for transmission.

A TRUE
B FALSE

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

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.

The video security platform provides functions such as video recording, video image control, video-based alarming, and alarm linkage.

A TRUE
B FALSE

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

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

What are the applications of big data in the video security field? (Choose all that apply.)

A Vehicle search by image
B Traffic violation detection
C Vehicle search
D Vehicle trajectory analysis

What are the impacts of cloud computing on the video security architecture? (Choose all that apply.)

A From simple services to complex services
B From discrete data to converged data
C From data silos to data sharing
D From closed platform to open platform

Which of the following protocols can be used to connect cameras to the platform? (Choose all that apply.)

A ONVIF
B TCP/IP
C GB/T 28181
D Proprietary protocol

The GPON access solution is applicable to areas with a large number of centralized sites, such as buildings and downtown areas.

A TRUE
B FALSE

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