3.4 Network Characteristics Flashcards

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1
Q

What is DHCP?

A

A protocol that automatically assigns IP addresses to client devices.

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2
Q

What is a software firewall?

A

A software that prevents unauthorised access to a network. It inspects incoming and outgoing traffic using a set of rules to identify and block threats.

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3
Q

What is SSID?

A

The name of the wireless network

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4
Q

What are NIC drivers?

A

Network Interface Card is a hardware component, typically a circuit board or chip, which is installed on a computer so it can connect to a network.

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5
Q

What is security software?

A

Built in encryption software with varying user access levels.

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6
Q

What is WAP?

A

Wireless application protocol
A set of protocols to allow wireless users to access the network.

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7
Q

What is a web browser?

A

A software application that allows access to webpages and helps display them.

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8
Q

What is 1G, 2G, 3G, 4G, 5G?

A

Mobile communication platforms with different speeds.

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9
Q

1G, 2G, 3G, 4G, 5G
Which one is digital?

A

1G, the rest are analogue.

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10
Q

1G, 2G, 3G, 4G, 5G?
Which is the fastest?

A

5G

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11
Q

What is LTE?

A

Long Term Evolution
It’s 4G alternative with a fast and large capacity.

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12
Q

What is WiMax?

A

Fast and suitable mobile communication service. However, it can only travel in direct line of sight.

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13
Q

What are sensor networks?

A

a.k.a. internet of things. A group of sensors where each sensor monitors data in a different location and sends that data to a central location for storage, viewing, and analysis.

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14
Q

What are the dangers of network security breaches? List 5

A

Stops operations
Disturb privacy
Unauthorised Access
Virus or Malicious Code
DOS attacks
Steal identities
Steal Devices
Steal sensitive information

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15
Q

What can viruses and malicious code cause?

A

Stopping/Monitoring or replicating functions. To consume system resources.
Could record key strokes or report back information to an anonymous user.

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16
Q

What is DOS?

A

Denial of Service Attack
A group of sensors where each sensor monitors data in a different location and sends that data to a central location for storage, viewing, and analysis.

17
Q

What are the two types of encryption keys?

A

Symmetric key
Public key

18
Q

What is a symmetric key?

A

A key that is used at both ends to encrypt and to decrypt.

19
Q

What is a public key?

A

Each person has an individual key but used with a public key to connect them.
Slower but safer.

20
Q

What is an open network?

A

A network with all free access.

21
Q

Why should you password protect your router as well as your devices?

A

So nobody can access your wifi.

22
Q

Why is it good to turn off wireless connection at night?

A

No wifi on - nobody can see it to hurt it.

23
Q

Why is it good to disable SSID broadcast at night?

A

If they can’t see your network they won’t be tempted to get into it.

24
Q

Why is it important to block devices by MAC address?

A

Because IP addresses change, MAC addresses don’t.

25
Q

What is WEP Encryption?

A

An old encryption standard that is now the weakest.

26
Q

What is WPA/WPA2 Encryption?

A

The strongest encryption standard.