Almoayyed International Group Project Engineer Interview Questions, Process, and Tips

The maximum cable length for network cabling depends on the type of cable and network standard being used.

• Maximum cable length for Ethernet using twisted pair cables (e.g. Cat5e, Cat6) is typically 100 meters.

• Fiber optic cables can support longer distances, with some types capable of reaching up to 40 kilometers.

• Different network standards may have specific requirements for cable length, such as USB 2.0 limiting cable

PTZ cameras have connections for power, video output, and control signals. They can be controlled remotely to pan, tilt, and zoom.

• PTZ cameras typically have connections for power supply, video output (such as HDMI or SDI), and control signals (such as RS-485 or IP network)

• They can be controlled remotely using a joystick controller, software interface, or mobile app

• PTZ cameras allow for pan (horizontal movement), tilt (...read more

The schematic diagram for a CCTV system in a multi-storey building includes cameras, monitors, recording devices, and wiring.

• Start with the placement of cameras at key locations such as entrances, exits, stairwells, and parking areas.

• Connect the cameras to a central monitoring station where security personnel can view live feeds.

• Include recording devices like DVRs or NVRs to store footage for later review.

• Ensure proper...read more

To make a CCTV system accessible over the internet, you need to set up port forwarding on the router, configure the CCTV system for remote access, and use a dynamic DNS service.

• Set up port forwarding on the router to allow external access to the CCTV system

• Configure the CCTV system for remote access by enabling remote viewing or setting up a VPN connection

• Use a dynamic DNS service to assign a domain name to the CCTV sy...read more