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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Question 25
As this person enters the scene, what is true about P-frames?
Options:
A.
They decrease in size
B.
They become less frequent
C.
They increase in size
D.
They become more frequent
Answer:
C
Explanation:
As a person enters the scene, P-frames (Predictive frames) increase in size. P-frames contain only the changes in the image from the previous frame (I-frame or another P-frame). When there is movement or new objects enter the scene, more data is needed to describe the changes, resulting in larger P-frames. References: Axis Communications documentation on video compression and frame types in H.264.
Question 26
When designing a network video system, which are the benefits of configuring VLANs? (Select two)
Options:
A.
It increases the network bandwidth
B.
It keeps the network traffic separated from other networks
C.
In some cases, it lowers the bandwidth consumption
D.
It helps avoid network congestion
E.
Interconnectivity between networks is enabled
Answer:
B, D
Explanation:
Configuring VLANs (Virtual Local Area Networks) in a network video system has several benefits. Firstly, VLANs keep network traffic separated from other networks, enhancing security and ensuring that video data does not mix with other types of traffic. This separation is crucial for maintaining the integrity and security of the video streams. Secondly, VLANs help avoid network congestion by logically segmenting the network, which improves overall network performance and reduces the likelihood of traffic bottlenecks. Axis documentation supports the use of VLANs to enhance network efficiency and security in video surveillance systems.
Question 27
Which sensor has a 1080p resolution?
Options:
A.
An HD sensor
B.
A full HD sensor
C.
An 8K sensor
D.
A 4K sensor
Answer:
B
Explanation:
A full HD sensor has a 1080p resolution. Full HD, or FHD, refers to a resolution of 1920 x 1080 pixels, which is commonly used in high-definition video and surveillance systems for providing clear and detailed images.
[Reference: Axis Communications. "Understanding video resolutions in surveillance." Axis Video Resolutions., , ]