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Comptia Network + > Chapter 16 Data Centers > Flashcards

Chapter 16 Data Centers Flashcards

1
Q

What is a data center

A

A networked group of servers in a dedicated space, that provides data storage, web hosting, application hosting, cloud services, and more for remote client organizations

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2
Q

What are floor plans

A

Documents that include info about the rooms where the equipment resides, as well as details about the racks, servers, aisles, outlets, etc. that are in each room

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3
Q

What is a logical network diagrams

A

Shows how devices communicate with each other and the flow of information

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4
Q

What does the distribution layer/ aggregation layer do

A

Interconnects and distributes data to all the systems, acting as the connection between access layer and the core layer

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5
Q

Describe the functions of a Distribution layer switches

A

Usually multilayer and conducts forwarding from layer 2 to layer 3

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6
Q

What is a module

A

A group of switches

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7
Q

What is a pod

A

A group of modules that share the same connection to their distribution switches

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8
Q

What is a backbone

A

The interconnections that act as the point of connection to the external connections

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9
Q

What are traffic flows

A

The movement of the data into/out of and around the data center

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10
Q

What is North-south traffic

A

data moving into and out of the data center

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11
Q

What is northbound traffic

A

traffic that leaves the data center

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12
Q

What is southbound traffic

A

traffic enters the data center

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13
Q

What kind of devices are involved in north-south bound traffic

A

edge routers, edge firewalls, and load balancers

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14
Q

What is east-west traffic

A

any traffic that moves between systems within the data center

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15
Q

What devices are involved in east-west traffic

A

internal routers, internal firewalls, and switches

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16
Q

What is a Storage Area Network (SAN)

A

a network that connects individual systems to a centralized bank of mass storage

17
Q

What is multipathing

A

more than one connection or path between the server and the SAN

18
Q

What is multipathing

A

more than one connection or path between the server and the SAN

19
Q

Describe a spine and leaf design

A

Every spine switch connects to every leaf switch in a two tiered mesh network

20
Q

What is load balancing

A

The sharing among two or more systems the effort to enable some process to work

21
Q

What is clustering

A

Multiple pieces of equipment, such as servers, connected in a manner that appears to the user ans the network as one logical device, providing data and services to the organization

22
Q

What is redundancy

A

ensuring high availability on many levels through the use of additional equipment

23
Q

What are first hop redundancy protocols (FHRP)

A

Protocols that support (HA) and redundancy

24
Q

What are physical network diagrams

A

diagrams that map out physical aspects of the data center

25
Q

What is a data center floor plan

A

Includes the dimensions and locations of rooms

26
Q

What is the Network Operations Center (NOC)

A

houses network engineers and technicians who maintain the applications housed in the data center, such as databases, Web servers and so forth

27
Q

What is the Intermediate distribution frame (IDF)

A

The wiring focal point for all the devices on that floor, also called the telecommunication room

28
Q

What is the Main Distribution frame (MDF)

A

Holds all the equipment that enables the connections to the outside world

29
Q

What is a logical network diagram

A

Line drawings that show the connectivity among the many devices

30
Q

What is a baseline configuration

A

Documents showing all the components of the data center

31
Q

What is a site survey

A

A survey that queries everything about a data center

32
Q

What five categories should be in a site survey

A
  • Layout and space utilization
  • Infrastructure installed
  • Expectations for the organization
  • Future requirements
  • Concerns about current performance

Comptia Network + (18 decks)

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