A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources A server is a piece of hardware or software that provides functionality for other programs or devices, called "clients". This architecture is called the client–server model.
1
2
3
4
Homogeneous
Internetwork
Intranetwork
Local area Network
Internetwork
Intranetwork
Homogeneous Network
Hetergeneous Network
Internetwork
Intranetwork
Homogeneous Network
Heterogenous Network
Global area network (GAN)
Local area network (LAN)
Metropolitan area network (MAN)
Wide are network (WAN)
Global area network (GAN)
Local area network (LAN)
Metropolitan area network (MAN)
Wide area network (WAN)
Global area network (GAN)
Local area network (LAN)
Metropolitan area network (MAN)
Wide area network (WAN)
2-10
10-50
50-250
250-1000
2-10
10-50
50-250
250-1000
2-10
10-50
50-250
250-1000
2-10
10-50
50-250
250-1000
Local area network (LAN)
Metropolitan area network
Multi-server high-speed backbone network
Enterprise network
Media access control address
Network server name
Subnet mask address
Node serial number
2
4
6
8
01100000
01100110
00001100
10000001
0.0.0.120
0.10.230.0
131.10.230.0
255.255.255.0
0.0.0.120
0.10.230.0
131.10.230.0
255.255.255.0
24
48
64
128
10
29
30
33
AFPD 33-1
AFI 33-112
AFI 33-115v1
AFI 29-2603v2
1
2
3
4
Network control center (NCC)
Network control center-deployable (NCC-D)
Network operations center (NOSC)
Air Force network operations center (AFNOSC)
Fault management server
Network management server
Performance management server
Security management server
Centralized, hierarchical, and distributed
Centralized, hybrid, and distributed
Centralized, hierarchical, and hybrid
Hybrid, hierarchical, and distributed
Centralized
Distributed
Hierarchical
Hybrid
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