network security Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

authentication

A

prevent unauthorised access to a network using passwords with
eight letters
number and synomvls
uppercase and lower case
unidentifiable nature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

encryption

A

scrambling data to make it readable to add to security in transmitting data. the receiver can then decrypt the scrambled data to reveal the actual data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

firewall

A

security system that can be hardware or software based

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

MAC address filtering

A

media access control
values assigned by manufacturer
only devices that have an NIC with specific MAC address can join the network or be refused access
no longer used

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

protocol

A

set of rules that govern network operations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

application layer

A

collecting and distributing data
makes sure data is suitable format for transmutation
layer where programs that use networks are operated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

transport layer

A

establishing and terminating connections between devices
error detection
speed at which data can be sent if recieved

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

network layer

A

exchange of data between lots of different networks
establish route to the destination of data packet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

data link layer

A

transmission media that is used to send data over a local network
ensures hardware can be used to transmit data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly