Cloned from: CCNA Vocabulary



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CSU
Channel Service Unit Digital interface device that connects end-user equipment to the local digital telephone loop. Often referred to with DSU, as CSU/DSU
DSU
Data Service Unit Digital Transmission device that adapts the physical interface on a DTE to a transmission facility such as T1 or E1. The DSU is also responsible for functions such as signal timing. Often referred to with CSU, as CSU/DSU.
Redlined
Marks on blueprints showing changes in the design
as-built
Diagram that shows the original design and any changes that have been made to a network topology.
BCP
Business Continuity Plan Steps to be taken to continue business operations when there is a natural or man-made disaster.
BSP
Business Security Plan Physical, system, and organizational control measures to be taken to protect network and information assets.
NMP
Network Maintenance Plan Ensures business continuity by keeping the network running efficiently. Network maintenance must be scheduled during specific time periods, usually nights and weekends, to minimize the impact on business operations.
SLA
Service Level Agreement Binding contract between a network service provider and the end user who requires a certain level of service.
Data Center
Central management location that monitors all network resources.
  • ·         Also known as the NOC
  • ·         usually has:
o   Raised floors (allow for cabling to run under the floor to equipment) o   High performance UPS systems and air conditioning equipment to provide a safe operating environment for equipment o   Fire suppression systems integrated into the ceiling o   Network monitoring stations, servers, backup systems, and data storage o   Access layer switches and distribution layer routers, if it serves as a Main Distribution Facility (MDF) for the building or campus where it is located
Server Farm
Collection of servers located in a central facility and maintained by the central group to provide server needs for organizations. A server farm usually has primary and backup server hardware for load balancing, redundancy, and fault tolerance purposes. Server farm architecture provides the operation and maintenance of servers.
CSU
Channel Service Unit Digital interface device that connects end-user equipment to the local digital telephone loop. Often referred to with DSU, as CSU/DSU
DSU
Data Service Unit Digital Transmission device that adapts the physical interface on a DTE to a transmission facility such as T1 or E1. The DSU is also responsible for functions such as signal timing. Often referred to with CSU, as CSU/DSU.
Redlined
Marks on blueprints showing changes in the design
as-built
Diagram that shows the original design and any changes that have been made to a network topology.
BCP
Business Continuity Plan Steps to be taken to continue business operations when there is a natural or man-made disaster.
BSP
Business Security Plan Physical, system, and organizational control measures to be taken to protect network and information assets.
NMP
Network Maintenance Plan Ensures business continuity by keeping the network running efficiently. Network maintenance must be scheduled during specific time periods, usually nights and weekends, to minimize the impact on business operations.
SLA
Service Level Agreement Binding contract between a network service provider and the end user who requires a certain level of service.
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