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ANVEPDF解答で完璧な予見ANVE練習試験問題
質問 # 67
Which one of the following camera parameters may become a limiting factor for the camera in delivering full frame rate?
- A. Noise reduction
- B. Exposure time
- C. Flicker-free mode
- D. Aspect ratio 16:9
正解：B
質問 # 68
DRAG DROP
Match each device with the correct description. Drag each gray box from the left column to the matching blue box in the right column.
正解：
解説：
質問 # 69
A P-iris lens is
- A. A DC-iris with feedback.
- B. Axis' standard for DC-iris.
- C. An iris specially made for zoom lenses.
- D. An iris with higher light sensitivity.
正解：A
質問 # 70
DRAG DROP
Match the protocol to its default port number. Drag each gray box from the left column to the matching blue box in the right column.
正解：
解説：
質問 # 71
Which is an advantage of the H.264 compression standard?
- A. Compared to Motion JPEG. H.264 video reduces the CPU load when viewing the video
- B. The intra-frame coding makes the video less sensitive to network dropouts
- C. Bandwidth and storage usage is independent of the amount of motion in the video
- D. In most situations, compared to Motion JPEG. H.264 video reduces bandwidth and storage usage
正解：D
質問 # 72
A customer is not getting the storage retention they had expected while using H.264 with an AXIS
Q6034-E PTZ camera on a continuous guard tour. What is the most likely cause of the problem?
- A. The estimation was only planned for a 720p HDTV PTZ
- B. Because most of the areas in the guard tour are empty. H.264 cannot save as much on the compression
- C. The estimations were done in MPEG-4 and they should change the AXIS Q6034-E to run in MPEG-4 instead of H.264
- D. Using continuous guard tour does not let H.264 save as much on the compression
正解：D
質問 # 73
Looking at the picture below, which setting would best address the blurring that's occurring with faster moving objects?
- A. Increase image brightness
- B. Adjust the exposure settings
- C. Uncheck backlight compensation
- D. Increase image contrast
正解：B
質問 # 74
Which is a benefit of using VLANs and IP subnets?
- A. An encrypted communication link is established over the internet, allowing surveillance video to be securely viewed off-site
- B. The network will only allow access from authorized devices, eliminating the risk that malicious users disconnect cameras to intercept network traffic
- C. The network provides end-to-end encryption to prevent malicious users from intercepting network traffic
- D. Network surveillance video can be kept separate from other network traffic, reducing the risk that malicious users will intercept it
正解：D
質問 # 75
What is the main purpose of the Arctic Temperature Control functionality?
- A. To protect the camera lens
- B. To protect the camera electronics
- C. To protect the camera mechanics
- D. To protect the camera power
正解：C
質問 # 76
DRAG DROP
Match the best choice of camera to each scenario described. Drag each gray box from the left column to the matching blue box in the right column.
正解：
解説：
質問 # 77
Which security features are provided through a managed switch?
- A. IEEE 802.1 X port-based authentication and HTTPS encryption
- B. HTTPS encryption and IP subnets
- C. IP subnets and VLANs
- D. IEEE 802.1 X port-based authentication and VLANs
正解：D
質問 # 78
IEEE 802.1 X is a security feature that
- A. Disables port forwarding, making it impossible for users outside the local network to get access to the surveillance video.
- B. Only gives approved devices access to the network, making it impossible to disconnect a camera and connect other equipment to eavesdrop on the network.
- C. Uses a cryptographic signature to ensure the integrity of the address tables used by the router, making it impossible for malicious users to redirect the surveillance video to unauthorized recipients.
- D. Applies end-to-end encryption between the camera and the server over the internet, ensuring that other users on the network cannot eavesdrop on the surveillance video.
正解：B
質問 # 79
How can using PoE to power cameras help keep them running during a power outage?
- A. Since PoE cameras are centrally powered by the server, you will only need to add backup power to the server to keep the system running
- B. The PoE standard requires connected devices to include backup batteries, to allow for network dropouts
- C. PoE cameras are centrally powered from the Ethernet switches which are backed up by uninterrupted power supply (UPS)
- D. PoE cameras use less cabling, allowing backup power supplies to last longer
正解：C
質問 # 80
DRAG DROP
Match each function to the correct video surveillance system component. Drag each gray box from the left column to the matching blue box in the right column.
正解：
解説：
質問 # 81
An installer wants to connect and power a P|R sensor from an Axis camera's I/O port. What would be the output DC voltage?
- A. 3. 3 V
- B. 1, 5V
- C. 5V
- D. 7 V
正解：A
質問 # 82
Which statement is true for broadcast network traffic?
- A. Broadcast is not practical for network video transmission, since packets are transmitted to every device on the network
- B. Broadcast data packet length is longer than normal Ethernet packets, to accommodate a full video frame
- C. Broadcast is designed to enable optimized video transmission, since it tolerates network dropouts
- D. Broadcast is a method for sending video to many recipients over the internet even though their bandwidths vary
正解：A
質問 # 83
The first time an Axis camera's Live View is accessed the user is prompted to do which of the following?
- A. Select a resolution
- B. Assign IP address
- C. Enter a camera name
- D. Configure a root password
正解：D
質問 # 84
What is the difference between a zoom lens and a varifocal lens?
- A. A zoom lens maintains focus when changing field of view
- B. There is no difference
- C. A varifocal lens has a longer field of view
- D. A zoom lens always has automatic focus
正解：A
質問 # 85
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