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[ N ] ET/working Tutorial[s] P0Int > Network + with ITPRO.TV > Flashcards

Network + with ITPRO.TV Flashcards

1
Q

In a Datacenter, what is Colocation?

A

A place that is rented out to businesses, for them to be able to store their servers when they are low in space. The dedicated connection will be metered.

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2
Q

In a Datacenter, what are the two architectural models currently being used? one is old, and the other is current.

A

Three Layer (Tier 3) and the Spine / Leaf Models.

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3
Q

In a Datacenter, how does the Three Layer Model work?

A

It consists of access layer, distribution layer, and core layer switches.

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4
Q

In a Datacenter, how does the Spine / Leaf Model work?

A

Consists of multiple leaf ( access ) switches, connected to Spine ( core ) switches. It is better as it reduces the number of hops and increases the speed in the network.

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5
Q

In Cloud Computing, what is Rapid Elasticity?

A

Adding or removing more devices automatically when in demand. Think servers.

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6
Q

In Cloud Computing, what is Scalability?

A

The adding or removing of components and devices to help an existing device.

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7
Q

In cloud Computing, what is Scaling up?

A

Adding more CPUs, RAM, and Storage to an existing device

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8
Q

In Cloud Computing, what is Scaling out?

A

Adding additional devices to balance a workload, such as the adding of an additional router, switch, or server.

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9
Q

In Cloud Computing, What is IAAS?

A

The Provider provides all of the Hardware.

You MUST create the application, data ( Application Coding ), runtime ( Java ), and MiddleWare ( Coding software between the OS and Applications ).

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10
Q

In Cloud Computing, What is PAAS?

A

The Provider provides all of the hardware, runtime ( Java ), and MiddleWare ( Coding software between the OS and Applications ).

You MUST create an application, along with the coding ( Data ) for that application.

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11
Q

In Cloud Computing, What is SAAS?

A

The Provider provides all of the hardware, runtime ( Java ), MiddleWare ( Coding software between the OS and Applications ), Data ( Application Coding ), and Applications. All you need to do is to sign in.

Applications have already been created.
ie; Yahoo, Netflix, and FirePro.

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12
Q

In Routing, what is distance vector protocol?

A

Good for shortest path, determines path through counting the hops.

May be bad as lower hops may be a slower older connection type.

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13
Q

In Routing, which protocol does RIP use.

A

Distance Vector.

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14
Q

What is Classfull subletting?

A

Subnetting using the regular class A,B & C subnet mask.

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15
Q

What is Classless Subnetting?

A

Subnetting using custom subnets, not 255.255.255.0.

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16
Q

In Routing, what is the difference between RIP V1 and RIP V2???

A

RIP V1 = Accepts Classfull Subnetting.

RIP V2 = Accepts Classless Subnetting.

17
Q

In Routing, what is interior Gateway Protocol ( IGP ) [ ? ]

A

Lies beneath the traditional routing protocol.

Means devices which are managed by you.

18
Q

In Routing, describe the two (2) main characteristics of EIGRP.

A

Comes after Distance vector,

  • builds routing tables to use for fault tolerance in choosing an alternative path.
  • uses an algorithm which decides the best path through bandwidth & Delay, shortest wins.
19
Q

In Routing, how does OSPF work [ ? ]

A

Every router knows about every other device on the network and they share information to create a table to determine the best path to the destination device.

20
Q

What is it called when multiple devices learn from one another to understand the topology [ ? ]

A

Convergence

21
Q

What is an Autonomous System [ ? ]

A

Another name for a router ( main gateway ) that routes traffic across the internet.

Networks, such as wrm.local, gcd.local, and Abuelo.

22
Q

In Routing, what is EGP [ ? ]

A

Exterior Gateway Protocol, used by routers for sending packets on the internet / not internally.

23
Q

In Routing, what is link state [ ? ]

A

The algorithm used by routers to know about every other device on the network and create a table.

24
Q

In switching, what is LACP (Link aggregation control protocol)?

A

Allows to combine two separate links (Ethernet Cables) together for Redundancy. In case one link goes down, the other one can take over. There can be up to 8 links combined together.

25
Q

How much WATTS does POE support (?)

A

12.95

26
Q

How much WATTS does POE+ support (?)

A

25.5

27
Q

What is the 802. Standard for POE (?)

A

802.AF

28
Q

What is the 802. Standard for POE+ (?)

A

802.3AT

[ N ] ET/working Tutorial[s] P0Int (2 decks)

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