Network Security Flashcards
1
Q
Hacker
A
A person who attempts to gain access to computer system with intent to damage data/harm the system
2
Q
3 types of hackers
A
- Black hat hacker
- Grey hat hacker
- White hat hacker
3
Q
Firewall
A
Device designed to prevent unauthorised access to a network
4
Q
What does firewall consist of?
A
NICs between user and internet
5
Q
Full form of NIC
A
Network Interface Card
6
Q
How does firewall work?
A
It passes packets between these two NICs and compares them against a set of
rules set by firewall software
7
Q
Proxy server
A
Acts as intermediary that collects and sends data on behalf of user
8
Q
3 benefits of using proxies
A
- User’s privacy is protected
- Can reduce web traffic
- Can be used by administrators to prevent access to sensitive info in workplace
