ANVE 시험 - Axis실제시험문제와 답 - 342문항

Question No : 1

For which purposes would a thermal network camera be a viable alternative to a standard network camera? (Choose three)

A.Identification of a person
B.Detection at daylight
C.Detection at night
D.Detection in smoke and light fog conditions
E.License Plate Recognition

정답:
Explanation:
Thermal network cameras are viable alternatives to standard network cameras for several purposes:
Thermal cameras are not suitable for identification purposes or license plate recognition as they do not capture fine details needed for these applications.
Reference: Axis Communications - Thermal Camera Applications

Question No : 2

Ghost image is when

A.The lens is using too high f-stop value.
B.The shutter time is too long.
C.The gain is too high.
D.The frame rate is too low.

정답:
Explanation:
Ghost image occurs when the shutter time is too long. Long shutter times can cause moving objects to appear blurry or leave a "ghost" trail in the image, as the sensor is exposed to the scene for an extended period, capturing multiple positions of a moving object within a single frame.
Reference: Axis Communications - Image Quality Issues

Question No : 3

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

정답:
Explanation:
Exposure time can become a limiting factor for the camera in delivering full frame rate. Longer exposure times allow more light to hit the camera sensor, improving image quality in low light conditions but also reducing the number of frames per second (fps) that the camera can capture. Shorter exposure times allow higher frame rates but may result in underexposed images in low light conditions.
Reference: Axis Communications - Camera Exposure Settings

Question No : 4

How can using PoE to power cameras help keep them running during a power outage?

A.PoE cameras use less cabling, allowing backup power supplies to last longer
B.PoE cameras are centrally powered from the Ethernet switches which are backed up by uninterrupted power supply (UPS)
C.The PoE standard requires connected devices to include backup batteries, to allow for network dropouts
D.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

정답:
Explanation:
Using PoE (Power over Ethernet) to power cameras helps keep them running during a power outage because PoE cameras are centrally powered from the Ethernet switches, which are often backed up by an uninterrupted power supply (UPS). This means that in the event of a power failure, the UPS can provide temporary power to the switches and, consequently, to the connected PoE cameras, ensuring continuous operation.
Reference: Axis Communications - Power over Ethernet

Question No : 5

When using Axis' Corridor Format

A.The depth of field is automatically adjusted to keep the entire length of a corridor in focus.
B.The image is rotated 90 degrees, changing the aspect ratio to 9:16.
C.Axis PTZ cameras can automatically track people walking down a corridor.
D.Privacy masks block out areas outside the specified corridor width.

정답:
Explanation:
When using Axis' Corridor Format, the image is rotated 90 degrees, changing the aspect ratio to 9:16. This format is particularly useful for monitoring narrow, vertical areas such as hallways, corridors, and aisles, maximizing the camera's field of view in such environments and ensuring better coverage of the intended area while minimizing wasted pixels on unimportant regions like walls.
Reference: Axis Communications - Corridor F

Question No : 6

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.Enter a camera name
D.Assign IP address

정답:
Explanation:
The first time an Axis camera's Live View is accessed, the user is prompted to configure a root password. This step is essential for securing the camera and preventing unauthorized access. Setting a strong root password ensures that only authorized users can modify the camera's settings and view the video stream.
References: Axis Communications Camera Installation Guides and User Manuals.

Question No : 7

Which of the following are common ways to protect video while using a wireless network? (Choose two)

A.VPN
B.WPA2
C.IEEE 802.1x
D.IEEE802.11N
E.HTTPS

정답:
Explanation:
When using a wireless network for video surveillance, protecting the video stream is crucial to prevent unauthorized access and ensure data integrity. VPN (Virtual Private Network) encrypts the data transmitted over the network, providing a secure tunnel between the camera and the viewing/recording device. WPA2 (Wi-Fi Protected Access 2) is a security protocol that encrypts wireless traffic, ensuring that only authorized users can access the network.

Question No : 8

Two benefits of Axis HDTV cameras supporting the SMTPE standards are

A.Color fidelity and full duplex 2-channel audio.
B.Color fidelity and minimum 25/30 fps frame rate.
C.Minimum 25/30 fps frame rate and full duplex 2-channel audio.
D.Full duplex 2-channel audio and automatic screen calibration.

정답:
Explanation:
Axis HDTV cameras conform to the SMPTE (Society of Motion Picture and Television Engineers) standards, which ensure that the cameras provide excellent color fidelity and maintain a minimum frame rate of 25/30 frames per second. These standards are critical for ensuring high-quality video with accurate color representation and smooth motion, essential for security and surveillance applications.

Question No : 9

If a camera lens is broken and you need to replace it, you should always disconnect the power and network cables because there is a risk that

A.The sensor will attract dust.
B.The shutter will break.
C.The lens electronics will short circuit.
D.The camera electronics will short circuit.

정답:

Question No : 10

When dealing with a complicated lighting scenario, such as a camera inside looking out through bright windows, which camera would best adapt to the scene to provide the highest image detail?

A.AXIS M3204
B.AXIS P3304
C.AXIS P5534
D.AXIS Q1604

정답:
Explanation:
Disconnecting the power and network cables before replacing a camera lens is crucial because there is a risk of short-circuiting the camera electronics. If the camera is powered on while the lens is being replaced, accidental contact with electronic components can cause a short circuit, potentially damaging the camera.

Question No : 11

Axis cameras support the ONVIF and VAPIX® APIs.
Which of the following is true?

A.The ONVIF API is used to manage video configuration, while VAPIX® used for audio setup
B.The VAPIX® API is used to manage video configuration, while ONVIF is used for audio setup
C.The ONVIF API is Axis' own API which supports the latest Axis camera capabilities
D.The VAPIX® API is Axis' own API which supports the latest Axis camera capabilities

정답:
Explanation:
VAPIX® is Axis' proprietary API (Application Programming Interface) that enables integration and management of Axis network video products. It allows developers to access a wide range of functionalities, such as video streaming, event management, and configuration settings, specifically tailored to leverage the latest capabilities of Axis cameras. ONVIF (Open Network Video Interface Forum) is an industry standard that facilitates interoperability between IP-based security products regardless of manufacturer, supporting basic functionalities for video and audio streaming, PTZ control, and event handling but not exclusively tailored to the latest Axis camera features.

Question No : 12

What is 3D privacy masking?

A.A privacy mask with three dimensions
B.A privacy mask that is changing its shape depending on angle of view
C.A privacy mask that contains three individual set of blobs
D.A privacy mask that remains in the field of view

정답:
Explanation:
3D privacy masking in Axis cameras refers to a privacy mask that changes its shape depending on the angle of view. This advanced feature ensures that the privacy mask effectively covers the designated area regardless of the camera’s viewing angle, providing consistent privacy protection as the camera moves or zooms.

Question No : 13

Which feature in Axis cameras allows for a fixed box style camera to tell a PTZ camera to move to a preset?

A.HTTP server
B.QoS
C.FTP server
D.TCP/IP

정답:
Explanation:
The feature in Axis cameras that allows a fixed box style camera to tell a PTZ camera to move to a preset is the HTTP server. Axis cameras can use HTTP commands to communicate with each other over the network. By sending an HTTP request from a fixed camera, the PTZ camera can be directed to move to a specific preset position, enabling coordinated surveillance coverage.

Question No : 14

Why is it recommended to make a list of the Axis network video product serial numbers in an installation?

A.It provides an overview of what equipment has been used
B.The product name can be found inside the serial number
C.It make it is easier to identify the camera in AXIS Camera Management
D.It gives the status of the camera or encoder

정답:
Explanation:
Making a list of the Axis network video product serial numbers in an installation is recommended because it makes it easier to identify the camera in AXIS Camera Management. The serial number is a unique identifier that allows administrators to quickly locate, configure, and manage specific devices within the management software, streamlining maintenance and troubleshooting processes.

Question No : 15

Which network features are usually combined to prevent access to the surveillance network?

A.IEEE 802.3ad link aggregation and HTTPS encryption
B.IP subnets and VLANs
C.Router port forwarding and IP subnets
D.Router port forwarding and VLANs

정답:
Explanation:
IP subnets and VLANs are commonly used network features to prevent unauthorized access to the surveillance network. By segmenting the network using IP subnets, different portions of the network can be isolated, reducing the risk of cross-network attacks. VLANs (Virtual Local Area Networks) further enhance security by creating separate broadcast domains within the same physical network, thereby isolating surveillance devices from other network traffic and improving overall network security and performance.

Axis ANVE 시험