System Design Flashcards
1
Q
what is a system
A
a computer made up of the CPU, memory, peripheral devices, and its operating system
2
Q
what 2 categories do systems fall into
A
- clients
- servers
3
Q
what is a network
A
a system that transmits data between clients and servers, which includes the client devices and the network equipment. (servers, switches, routers, cables, etc)
4
Q
what is a data center
A
a facility that holds servers and related network equipment. The many thousands of servers employed by search engines and cloud computing providers are all housed in data centers
5
Q
what is network security
A
- ensures the protection of data and networks
- security should be planned
6
Q
what does network security include
A
- authentication
- authorization
7
Q
what is OSI
A
Open system interconnection
8
Q
what does OSI do
A