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NEW QUESTION # 59
Computer 5 receives an error when trying to connect to Camera 1. Why?
- A. Camera 1 can only be accessed by computers 1, 2, 3, or 4.
- B. Camera 1 and Computer 5 are on different VLANs
- C. Computer 5 can only access cameras 2, 3, and 4.
- D. There is an IP address conflict
Answer: D
Explanation:
"Both Computer 1 (192.168.1.10) and Computer 5 (192.168.1.10) have the same IP address assigned within the same network (192.168.1.0/24). This creates an IP address conflict, causing communication errors on the network."
- Axis Communications Academy, Network Video Fundamentals, 2022
"An IP address conflict occurs when two devices share the same IP address, resulting in communication issues for both devices."
- Axis Networking Basics Guide
References:
Axis Communications Academy, Network Video Fundamentals, 2022 (p. 52)
Axis Networking Basics Guide
NEW QUESTION # 60
How come the top image can have more motion blur than the bottom one?
- A. An object moving towards the camera stays longer in the camera's field of view, allowing for focus adjustments
- B. The placement of the illuminators in this scene allows more light to fall on objects placed in the center of the scene
- C. The pixel density is significantly higher in the center of the camera's field of view, compared to the edges
- D. An object moving perpendicularly to the camera changes many more pixels than an object moving towards the camera
Answer: D
Explanation:
"Motion blur is more prominent when an object moves perpendicularly (across) to the camera because it traverses more pixels per frame, compared to an object moving toward or away from the camera."
- Axis Communications Academy, Network Video Fundamentals, 2022
"Perpendicular movement causes greater pixel change in each frame, resulting in more noticeable motion blur."
- Axis Motion Blur Guide
References:
Axis Communications Academy, Network Video Fundamentals, 2022 (p. 19)
Axis Motion Blur Article
NEW QUESTION # 61
AXIS Device Manager is
- A. licensed per system.
- B. licensed per company.
- C. licensed per connected channel.
- D. free of charge.
Answer: D
Explanation:
AXIS Device Manager is free of charge. This tool provides comprehensive management capabilities for Axis devices without any additional licensing fees. It allows users to efficiently manage, configure, and maintain their Axis network cameras and other devices, ensuring optimal performance and security. Axis offers this tool as part of their commitment to providing user-friendly and cost-effective solutions, as detailed in their product information and support resources.
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NEW QUESTION # 62
In a dark indoor environment one single Axis illuminator is available. At a distance of 1 m (3 ft 3 in) away from the illuminator the light intensity is 1024 lux. At what distance from the light source will the light intensity be 256 lux?
- A. 4m{13 ft 1 in)
- B. 2 m (6 ft 7 in)
- C. 16 m (52 ft 6 in)
- D. 8 m (26 ft 3 in)
Answer: B
Explanation:
The inverse square law of light intensity states that the intensity of light is inversely proportional to the square of the distance from the light source. Given that the light intensity is 1024 lux at 1 meter, we can calculate the distance at which the intensity would be 256 lux.
Since 256 lux is one-fourth of 1024 lux, and the inverse square law states that intensity is proportional to 1/d21
/d^21/d2, the distance must be doubled to reduce the intensity by a factor of four. Therefore, the distance at which the light intensity is 256 lux is 2 meters. [Reference: Axis Communications - Illumination Basics]
NEW QUESTION # 63
IEEE 802.1 X is a security feature that
- A. Only gives approved devices access to the network, making it impossible to disconnect a camera and connect other equipment to eavesdrop on the network.
- B. 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.
- C. 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.
- D. Disables port forwarding, making it impossible for users outside the local network to get access to the surveillance video.
Answer: A
NEW QUESTION # 64
In networking, what does Quality of Service (QoS) mean?
- A. Different data packets can have different priorities on the network Data packets are never dropped, which ensures network integrity
- B. The total bandwidth never falls below a defined level
- C. The data connection is automatically restored after network failures
Answer: A
Explanation:
Quality of Service (QoS) in networking means that different data packets can have different priorities on the network. QoS mechanisms ensure that critical or time-sensitive data, such as video or voice, receive higher priority and guaranteed bandwidth over less critical data. This helps maintain the performance and reliability of essential services even when the network is congested. Axis Communications' technical guides on networking principles and QoS confirm this definition and its importance in IP surveillance systems.
NEW QUESTION # 65
If an object is placed 1 m (3 ft) away from a light source and the lux level is 3200 lux, what is the lux level at a distance of 8 m (24 ft)?
- A. 50 lux
- B. 200 lux
- C. 400 lux
- D. 10 lux
Answer: A
Explanation:
If an object is placed 1 meter (3 feet) away from a light source with a lux level of 3200 lux, the lux level decreases according to the inverse square law of light. At a distance of 8 meters (24 feet), the lux level can be calculated as:
New Lux Level=3200 lux(8/1)2=3200 lux64=50 lux\text{New Lux Level} = \frac{3200 \text{ lux}}{(8/1)
^2} = \frac{3200 \text{ lux}}{64} = 50 \text{ lux}New Lux Level=(8/1)23200 lux=643200 lux=50 lux Thus, at 8 meters, the light intensity drops significantly to 50 lux.
Reference: Axis Communications. "Light conditions and surveillance camera performance." Axis Light Conditions.
NEW QUESTION # 66
What is the purpose of the indicators in the lower part of this image?
- A. They provide shortcuts to preset camera positioning
- B. They help an installer ensure the camera is mounted straight
- C. They show an operator the current direction a PTZ camera is facing
- D. They provide an easy way to set a camera's focus and zoom
Answer: A
Explanation:
"The compass-style indicators in the user interface display the current pan direction of a PTZ camera. This helps operators orient themselves and know which direction the camera is facing in real-time."
- Axis Communications Academy, Network Video Fundamentals, 2022
"On-screen compass indicators are designed to show operators the camera's current field of view, making navigation and incident tracking easier."
- Axis PTZ Control User Manual
References:
Axis Communications Academy, Network Video Fundamentals, 2022 (p. 61)
Axis PTZ Control User Manual
NEW QUESTION # 67
AXIS Device Manager is
- A. licensed per system.
- B. licensed per company.
- C. licensed per connected channel.
- D. free of charge.
Answer: D
Explanation:
AXIS Device Manager is free of charge. This tool provides comprehensive management capabilities for Axis devices without any additional licensing fees. It allows users to efficiently manage, configure, and maintain their Axis network cameras and other devices, ensuring optimal performance and security. Axis offers this tool as part of their commitment to providing user-friendly and cost-effective solutions, as detailed in their product information and support resources.
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NEW QUESTION # 68
If an object is placed 1 m (3 ft) away from a light source and the lux level is 3200 lux, what is the lux level at a distance of 8 m (24 ft)?
- A. 50 lux
- B. 200 lux
- C. 400 lux
- D. 10 lux
Answer: A
Explanation:
If an object is placed 1 meter (3 feet) away from a light source with a lux level of 3200 lux, the lux level decreases according to the inverse square law of light. At a distance of 8 meters (24 feet), the lux level can be calculated as:
New Lux Level=3200 lux(8/1)2=3200 lux64=50 lux\text{New Lux Level} = \frac{3200 \text{ lux}}{(8/1)^2}
= \frac{3200 \text{ lux}}{64} = 50 \text{ lux}New Lux Level=(8/1)23200 lux=643200 lux=50 lux Thus, at 8 meters, the light intensity drops significantly to 50 lux.
Reference: Axis Communications. "Light conditions and surveillance camera performance." Axis Light Conditions.
NEW QUESTION # 69
Which network features are usually combined to prevent access to the surveillance network?
- A. Router port forwarding and IP subnets
- B. IEEE 802.3ad link aggregation and HTTPS encryption
- C. IP subnets and VLANs
- D. Router port forwarding and VLANs
Answer: C
NEW QUESTION # 70
The first time an Axis camera's Live View is accessed the user is prompted to do which of the following?
- A. Configure a root password
- B. Select a resolution
- C. Assign IP address
- D. Enter a camera name
Answer: A
NEW QUESTION # 71
Why is the background of this scene slightly out of focus?
- A. The light level is too low
- B. The IR LEDs are on
- C. The pixel density is too low
- D. The depth of field is too shallow
Answer: D
Explanation:
The background of the scene is slightly out of focus due to a shallow depth of field. Depth of field refers to the range of distance within a photo that appears acceptably sharp. A shallow depth of field results in a narrow focus area, causing objects outside this area to appear blurred. This can be influenced by the aperture setting of the lens, the focal length, and the distance to the subject. Axis documentation on camera setup and focus adjustments provides guidance on managing depth of field to ensure optimal image clarity.
NEW QUESTION # 72
What is the appropriate usage for an Axis thermal camera?
- A. Detecting activity in daylight and complete darkness
- B. Identifying people in complete darkness
- C. Detecting motion only at nighttime
- D. Measuring exact temperatures in daytime
Answer: A
NEW QUESTION # 73
What advantage does a Vi" 1080p camera have over a Vi" 4K camera?
- A. Smaller aperture
- B. Larger pixels
- C. Larger aperture
- D. Smaller pixels
Answer: B
Explanation:
A 1080p camera with a 1/2" sensor typically has larger pixels compared to a 4K camera with a 1/2" sensor.
Larger pixels can capture more light, which improves performance in low-light conditions and enhances image quality by reducing noise. This is a critical advantage when clear image capture in various lighting conditions is necessary. Axis documentation on camera sensors and image quality highlights that larger pixels provide better light sensitivity and dynamic range.
NEW QUESTION # 74
When decommissioning a device and removing it out of production, it is best practice to
- A. perform a factory default.
- B. downgrade the firmware.
- C. perform a factory restore.
- D. set the IP address back to the default.
Answer: A
Explanation:
"When decommissioning an Axis device, always perform a factory restore to securely remove all configuration, user data, and stored information from the device."
- Axis Decommissioning Guide
"A factory restore erases all user data and settings, returning the device to its original state, which is necessary before removing the device from service."
- Axis Communications Academy, Network Video Fundamentals, 2022
References:
Axis Technical Note: Device Decommissioning
Axis Communications Academy, Network Video Fundamentals, 2022 (p. 106)
NEW QUESTION # 75
The ONVIF standard gives the end user benefits such as (Choose two)
- A. Guarantees higher performance.
- B. Reduction of storage and network usage.
- C. Future proof systems and more secure investments.
- D. Increased flexibility and greater freedom of choice.
- E. Improving the performance of the system.
Answer: C,D
Explanation:
The ONVIF (Open Network Video Interface Forum) standard provides several benefits to end users. One key benefit is that it helps create future-proof systems and more secure investments by ensuring interoperability between different manufacturers' devices, which protects against obsolescence. Additionally, ONVIF increases flexibility and offers greater freedom of choice, allowing users to mix and match devices from different vendors, thereby tailoring their security systems to specific needs without being locked into a single manufacturer's ecosystem.
References: Axis Communications ONVIF Conformance Documentation and ONVIF.org Benefits of ONVIF.
NEW QUESTION # 76
What is needed to identify a person's face in a scene?
- A. A pixel density of at least 250 px/m (80 px/ft)
- B. A pixel density of at least 63 px/m (20 px/ft)
- C. A pixel density of at least 25 px/m (8 px/ft)
- D. A pixel density of at least 125 px/m (40 px/ft)
Answer: A
Explanation:
"For reliable identification of a person's face, Axis recommends a pixel density of at least 250 pixels per meter (80 pixels per foot) on the target area."
- Axis Communications, Design Tool: Pixel Density Recommendations
"Identification: 250 px/m - Needed to identify a person beyond reasonable doubt."
- Axis Communications Academy, Network Video Fundamentals, 2022
References:
Axis Communications - Pixel Density Guide
Axis Communications Academy, Network Video Fundamentals, 2022 (p. 62)
NEW QUESTION # 77
What is the red tip used for?
- A. Meeting fire code requirements
- B. Adapting cable for RJ48 connectors
- C. Keeping connectors dust-free prior to installation
- D. Puncturing the cable gasket cleanly
Answer: C
Explanation:
The red tip on the cable is used to keep the connectors dust-free prior to installation. It protects the RJ45 connector from dust and debris, ensuring a clean and reliable connection once installed. Maintaining clean connectors is essential for preventing connectivity issues and ensuring optimal network performance. Axis installation guides specify the importance of keeping connectors covered until installation to protect against contamination and ensure a proper connection.
NEW QUESTION # 78
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