ITSM
Best-practice guidance for IT service management.
What is ITIL?
A network local to a building or site that usually contains a specific set of hosts which fall under a similar group.
What is Local Area Network (LAN)?
A contract between a service provider and client that defines the service expected by measurable metrics.
What is a service level agreement (SLA)?
Any component that needs to be managed in order to deliver an IT service.
What is Configuration Item (CI)?
Characteristic of a system which aims to ensure an agreed level of operational performance, usually uptime, for a greater than normal period.
What is High Availability (HA)?
An electrical apparatus that provides emergency power to the infrastructure if the main power source were to fail.
What is a UPS?
Structured information about all the services and service offerings of a service provider.
What is Service Catalog?
Foundation of core network services that enables distribution, translation services and tracking of IP addressing across the network.
What is DDI?
A term referring to the physical separation of data/data centers in order to provide resiliency against localized catastrophic events.
What is geo-redundancy?
An unplanned interruption to a service or reduction in the quality of a service.
What is an Incident?
This protects web-surfing PCs from infection and enforces company policies.
What is Secure Web Gateway (SWG)?
A type of software defined infrastructure that combines compute, storage, and networking resources.
What is hyperconverged infrastructure?
This is conducted after the implementation of a change to evaluate success and identify opportunities for improvement.
What is Post-Implementation Review (PIR)?
A geographical location, or physical location in a data center where an Internet Service Provider or SaaS provider has network equipment present.
What is Point of Presence (PoP)?
A measuring unit of power that is related to kWh by a system’s efficiency and can be calculated by the equation: voltage * current
What is kVa (Kilo-volt-amperes) ?