interview question for networks

Routers:

In 1992 main products of Cisco were Gateway Servers i.e.
AGS – Advanced Gateway Server
MGS – Mid-Range Gateway Server
IGS – Integrated Gateway Server
CGS – Compact Gateway Server
AGS+ - Advanced Gateway Server Plus

Routers are of two types, Modular and Non-Modular
1.Modular
Routers will not have fix interfaces, can be added or removed whenever required.
2.Non-Modular
Routers will have fix interfaces, cannot be added or removed, they are fixed.

SERIES                      MODELS

Each series will have different models Each models will have different features or functions
700 701,702,703,704,710 (supports ISDN Technology)
800 801,803,805,810 (supports ISDN+Leased line connection)
1000 1001,1003,1010,1011,1015
1100 1101,1102,1102,1115
1400 1401 - 1411
1600
1700
2500
2600
3600
4000
5000
7000
12000GSR
Gigabit Switched Routers