Networks Flashcards

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1
Q

What is a peer to peer network

A

all devices are EQUAL, connected to every other device (no central location)
Files are stored individually on machines and then share with others

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2
Q

What is a client network

A

is managed by one main server, and it is connected to all its devices (clients)
Files and software are stored on the server, instead of individual client machines

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3
Q

Pros of peer to peer

A

Cheap

Easier to set up and maintain

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4
Q

Pros of client server network

A

Central locatiom for all files

Easier to install and manage and perform back up of all stored data

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5
Q

Cons client server network

A

Expensive to set up and maintain

If server fails then all connected devices will stop

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6
Q

Cons of peer to peer

A

No centralised location (requires manual back-ups and updating of software)
Copying files creates duplicates of files, so harder to keep track of latest versions
Less reliable and data may be lost if one machine fails

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7
Q

Pros of a wired network

A

much more reliable, faster and stable connection (not affected by interference) and also less like to be affected by hacking

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8
Q

Cons of a wired network

A

However, wired connections affect portability/movement and are cost more to add additional devices.

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9
Q

Pros or a wireless network

A

easier to connect more devices, can move around and costs less vs wired.

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10
Q

Cons of a wired network

A

However, more devices means affected by interference, it is not as fast or stable as a wired (Ethernet) connection and is more prone to be affected by hacking.

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11
Q

Pros of the cloud

A

access data from any connected device, easy to increase storage, no need to pay extra for IT staff, provides auto updates and back-ups

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12
Q

Cons of cloud

A

MUST need internet to access, dependency on the cloud host for security and back-ups, often subscription based so more expensive

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13
Q

What is the cloud

A

host stores the data of another organisation, using its own servers, storage and software, accessible only via the internet.

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14
Q

The perfomance of bandwidth means ?

A

higher bandwidth means better network performance as more data can be transferred at any given time. More users sharing bandwidth can slow down performance.

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15
Q

The perfomance of connection type means ?

A

wired connections are more reliable/faster than wireless, but are not as portable and requir

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16
Q

The perfomance of number of devices to a network means ?

A

the more devices connected, the slower the network may perform

17
Q

What does a DNS do ?

A

Translates a websites do ain name into its ip address so we dont need to rember ip addresses