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Network+ > Introduction To Networks > Flashcards

Introduction To Networks Flashcards

1
Q

What is a mesh topology

A

Mesh networks are when every workstation is connected to every other workstation.

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2
Q

What are the pro’s of a mesh topology

A

Redundancy. Usually used to link back ups to each other. And fast switching.

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3
Q

What are the cons of mesh topology

A

Expensive and difficult to maintain because of the amount of connections.

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4
Q

What is a hybrid topology

A

When multiple architectures are used. Star + mesh. Or mesh+ ring.

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5
Q

What is a star topology

A

When devices are linked to a central hub. Most common in small offices.

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6
Q

Pros of star/hub and spoke architecture?

A

Easy to trouble shoot.

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7
Q

What is a LAN

A

local area network. Connects devices on the same network.

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8
Q

What is a WAN

A

Wide area network. Connects different LANs together by the use of routers.

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9
Q

What is a Workstation

A

A powerful computer used to link users to the network. Different from client machine.

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10
Q

What is a Server?

A

A powerful computer used to run a specific task. Email server, web server, print server.

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11
Q

What is a host?

A

Any device connected to a network.

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12
Q

What is a MAN?

A

Metropolitan Area Network. A network covering a metropolitan area connecting different buildings usually with the use of a carrier provider.

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13
Q

What is a PAN?

A

Personal Area Network. Smart watch connected to a laptop connected to a smart phone. Using Bluetooth or Zigbee.

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14
Q

What is a CAN?

A

Campus Area Network. Typically connects LANs in various buildings via WiFi.

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15
Q

What is a SAN

A

Storage Area Network. Designed for storing and distributing stored data.

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16
Q

What is FCoE

A

Fibre Channel over Ethernet. A connection you see in SANs

17
Q

What is iSCSI (iscuzy)?

A

A next gen protocol used in SANs used to transport data.

18
Q

What is a SDWAN?

A

Software defined wide area network. Uses MPLS, LTE and broadcast internet services to connect users to applications.

19
Q

What is MPLS?

A

Multiprotocol Label Switching. Is a switching mechanism that imposes labels to data and the. Uses those labels to forward data. Cloud switching.

20
Q

What is mGRE?

A

Multipoint Generic Routing Encapsulation. A protocol that refers to a carrier or service provider that dynamically creates and terminates connections to nodes on a network.

21
Q

What is a peer to peer network?

A

There is no central authority. Think PAN.

22
Q

What are pros of peer to peer?

A

Works when there aren’t a lot of users.
Everyone is responsible for their own backups.

23
Q

Cons of peer to peer?

A

No centralized source of formations so backups can be hard.
Hard to locate vital documents.

24
Q

What is a client server network?

A

One computer stores and handles distribution of the data it has been assigned to distribute.

25
Q

What is ring topology?

A

When every computer is directly connected to the next in the same network. Like a ring. WAN providers use this.

26
Q

What is point to point Topology

A

When you have a direct connection between two routers or switches. Key is this defines the connection between routers.

27
Q

What is point to multipoint topology?

A

When a master router connects to multiple destination routers.

28
Q

What is a network segment

A

A division of workstations or devices on the network.

29
Q

What is Service-Related Entry Points

A

The connections installed by ISP(internet service providers) to connect to the internet.

30
Q

What are Service Provider Links?

A

The type of connection a service provider supplies. Ex. DSL cables, satellite, hybrid fiber

31
Q

What is a vSwitch?

A

A Virtual Switch used to connect different hypervisors together.

32
Q

What is a nNIC

A

Used to connect a virtual machine to the host computers Network Interface Card.

33
Q

What is NFV

A

Network function virtualization.

34
Q

What is the purpose of the core layer?

A

To connect distribution layers together.

Network+ (2 decks)

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