Key terms:

Asynchronous: Controlling the timing of operations by the use pf pulses sent when the previous operation is completed rather than at regular intervals.

Bandwidth: The bit-rate of available or consumed information capacity expressed typically in metric multiples of bits per second.

Continuity: The ability to continue the delivery or service at an acceptable predefined level following a disruptive incident.

Dedicated fibre: A dedicated line is fixed-bandwidth connection between two locations that is reserved at all times for use by 1 subscriber.

Disaster recovery: The process of getting the service tools back up and running to provide a service.

Encrypted: When data is concealed using a code.

Firewall: Used to protect a network from unauthorised access, incoming and outgoing.

Group policy: A hierarchical structure that allows a network admin in charge of Microsoft’s active directory to implement configurations for users and computer.

Recovery time objective (RTO): The time in the future you van be up and running again.

Recovery point objective (RPO): The point in time you wish to be recovered back to (e.g. 15 minutes before).

System imaging: Complete backup of everything on your PC’s hard drive or a singe partition. Allows you to take a snapshot of entire drives, system and all.

Server: A computer programme or device that provides functionality for other programmes or devices.

Service level agreement (SLA): A contract between a service provider and the end user that defines the level of service expected from the service provider.

Telephony: The working or use of telephones.

Virtualisation: Running software within a virtual environment.

Virtual hosting server: A form of web hosting service where more than one instance of the same web server is hosted on a single physical server.

V.O.I.P (Voice over internet protocol): Phone service over the internet.

VPN (virtual private network): Protects sensitive data by only being accessed by a specific user.