Network Service as a capability that facilitates a network operation. It typically is provided by a server (which can be running one or more services), based on network protocols running at the application layer in the Open Systems Interconnection (OSI) model of the network.

The end-to-end network service behaviors is the result of the combination of the individual network function behaviors as well as the behaviors of the network infrastructure composition mechanism.

Closed-circuit television (CCTV) surveillance systems have made tremendous technological progress in the last decade, not only in individual capabilities, but also in the ability to interface with other security technology.

CCTV surveillance systems were simply a deterrent.  CCTV surveillance systems are common enough that they have lost their novelty, reducing effectiveness as a simple deterrent, especially for illegal entry or violent crime.

Biometrics provide added security. This can be incredibly beneficial when used in a work environment. Biometric terminals use advanced technology to scan fingerprints. With a biometric attendance system, employee attendance is accurately logged.
You can prevent time theft and attendance abuse. You have the option to restrict access to certain rooms in your business. You can also simplify your entire attendance and record keeping system.

Telecommunication solutions are the overall solution that a contractor offers to a company after being aware of the complete telecommunication requirements of that company, and this can include a phone system and a wireless or wired internet connection. Telecommunication basically is the technology and science of communicating with the help of radio, telephone, television, and through the computer networks. Telecommunication solutions are the services, products, or a combination of the two offered by companies to customers in order to help them makes use of telecommunications successfully.

Access control systems are the electronic systems that are designed to control through a network and they should have an access to a network. Access Control System recognizes authenticates and authorizes entry of a person to enter into the premise thereby giving complete protection ensuring security with the system.

Many access control systems use network for communication purpose and information is communicated through these networks.

A fire alarm system has a number of devices working together to detect and warn people through visual and audio appliances when smoke, fire, carbon monoxide or other emergencies are present.
These alarms may be activated automatically from smoke detectors, and heat detectors or may also be activated via manual fire alarm activation devices such as manual call points or pull stations.
Alarms can be either motorized bells or wall mountable sounders or horns. They can also be [(speaker strobes]) which sound an alarm, followed by a voice evacuation message which warns people inside the building not to use the elevators.

Home security is both the security hardware in place on a property as well as personal security practices. Security hardware includes doors, locks, alarm systems, lighting, motion detectors, security camera systems, etc. that are installed on a property; personal security involves practices such as ensuring doors are locked, alarms activated, windows closed, extra keys not hidden outside, etc.
One main component to home security is finding an area for easy programming and interaction for users. A control panel is implemented to arm and disarm a home security system.