Desktop (user hardware, applications, etc.) | 1 2 3 4 5 |
Network (NOSs) | 1 2 3 4 5 |
Mid-range (minicomputers, host software, etc.) | 1 2 3 4 5 |
Mainframe (mainframes, host software, etc.) | 1 2 3 4 5 |
Infrastructure (backbones, switches, etc.) | 1 2 3 4 5 |
WAN (leased lines, frame relay, etc.) | 1 2 3 4 5 |
Remote access (servers, modems, ISDN, etc.) |
1
2
3
4
5
|
Internet |
1
2
3
4
5
|
Intranet |
1
2
3
4
5
|
Computer telephone integration |
1
2
3
4
5
|
Voice/data recognition |
1
2
3
4
5
|
Video conferencing |
1
2
3
4
5
|
CATV |
1
2
3
4
5
|
Network security |
1
2
3
4
5
|