NCOI IT Infrastructuur - H7 Datacenters: Questions
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Terms in this set (92)
What do datacenters provide? - Power supply
- Cooling
- Fire prevention and detection
- Equipment racks
- other facilities needed to host the installed
infrastructure components
What were early datacenters designed For large mainframe systems & peripheral systems like
for punch card readers and large tape units
why did early datacenters have a raised - All end users were connected directly to the
floor? (computer floor) mainframe leading to large cable bundles. With a raised
floor, the cables were installed in cable trays
underneath
- In these days there were watercooling systems and the
water pipes for this were in the raised floor as well
Many datacenters still have raised floors
,What were typical tasks for operators in They had to be present in the computer room most of
datacenters/computer rooms in the the time because most equipment was installed there.
early days? Typical tasks were:
- Loading punch card decks
- Replacing paper in printers
- Switching tapes in tape units
- Collecting printed paper
What changed in the datacenters when - Datacenters got equipped with standardized 19" racks,
smaller midrange x86 based systems installed in rows forming corridors between them
emerged? - More flexible air cooling (instead of water cooling)
- Sophisticated fire prevention, detection and
extinguishing systems were installed
- lights-out datacenters were introduced; almost all
work on the servers could be done without touching the
physical equipment. During normal operation, no
people were needed inside the datacenter
What are the 4 typical datacenter - Sub Equipment Room (SER)
categories? - Main Equipment Room (MER)
- Organization owned datacenter
- Multi-tenant datacenter
What is a Sub Equipment Room (SER)? This is also known as a patch closet.
They contain patch panels for connections to wall
outlets in offices and some small equipment like
network switches
What is a Main Equipment Room (MER)? It is a small datacenter in the organization's subsidiaries
or buildings. Head IT location of the building, it
connects all other equipment rooms (backbone)
What is an organization owned It is a datacenter that contains all central IT equipment
datacenter? for the organization. A organization can have multiple
, What is a multi-tenant datacenter? It is a datacenter used by service providers that provide
services for multiple other organizations. These
datacenters are typically the largest
With Expert Solutions
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Match Blocks Charms NEW
Terms in this set (92)
What do datacenters provide? - Power supply
- Cooling
- Fire prevention and detection
- Equipment racks
- other facilities needed to host the installed
infrastructure components
What were early datacenters designed For large mainframe systems & peripheral systems like
for punch card readers and large tape units
why did early datacenters have a raised - All end users were connected directly to the
floor? (computer floor) mainframe leading to large cable bundles. With a raised
floor, the cables were installed in cable trays
underneath
- In these days there were watercooling systems and the
water pipes for this were in the raised floor as well
Many datacenters still have raised floors
,What were typical tasks for operators in They had to be present in the computer room most of
datacenters/computer rooms in the the time because most equipment was installed there.
early days? Typical tasks were:
- Loading punch card decks
- Replacing paper in printers
- Switching tapes in tape units
- Collecting printed paper
What changed in the datacenters when - Datacenters got equipped with standardized 19" racks,
smaller midrange x86 based systems installed in rows forming corridors between them
emerged? - More flexible air cooling (instead of water cooling)
- Sophisticated fire prevention, detection and
extinguishing systems were installed
- lights-out datacenters were introduced; almost all
work on the servers could be done without touching the
physical equipment. During normal operation, no
people were needed inside the datacenter
What are the 4 typical datacenter - Sub Equipment Room (SER)
categories? - Main Equipment Room (MER)
- Organization owned datacenter
- Multi-tenant datacenter
What is a Sub Equipment Room (SER)? This is also known as a patch closet.
They contain patch panels for connections to wall
outlets in offices and some small equipment like
network switches
What is a Main Equipment Room (MER)? It is a small datacenter in the organization's subsidiaries
or buildings. Head IT location of the building, it
connects all other equipment rooms (backbone)
What is an organization owned It is a datacenter that contains all central IT equipment
datacenter? for the organization. A organization can have multiple
, What is a multi-tenant datacenter? It is a datacenter used by service providers that provide
services for multiple other organizations. These
datacenters are typically the largest
