€h 17 Data Network Design Flashcards
17-1 network design
Functional design =
Top-down design
17–2 network design
Physical design =
Bottom-up design
17–3 networking history
1970s =
Ethernet is developed
17–5
OSI =
Open systems interconnection
17–5 OSI
ISO =
(2)
* International organization for standardization
* 1978
17-5 OSI
objective OSI model =
Structured approach
17–5 OSI
OSI model =
(2)
*Seven layers
* Layer above
17–6 OSI
Layers OSI model =
Protocol stack
17–6 OSI
Protocol stack =
(3)
*Services
*lower layers to upper layers
*SAP’s connection point between layers
17–8 layers
7 layers =
All People Seem To Need Domino’s Pizza
17–8 layers
All people seem to need dominos pizza =
A= 7 Application
P= 6 presentation
S= 5 session
T= 4 transport
N= 3 network
D= 2 datalink
P= 1physical
17–8 layers
Layer 7 application =
(2)
*Applications
*file transfer
17–8 layers
Layer 6 presentation =
Encryption
17–8 players
Layer 5 session =
Synchronizing start, stop, restart
17–8 layers
Layer 4 transport =
(4)
* Transfer
* process
* billing
* quality
17–8 layers
Layer 3 network =
(2)
* Internetwork data transfer
* route
17–8 layers
Layer 2 datalink =
Intra-network between devices
17–8 layers
Layer 1 physical=
Over various media
ISO Layers
ISO layers
17–11 types of networks
PAN =
(3)
Personal area network individual workspace 33 ft
Fig 17.6
Personal area network
17–12 types of networks
LAN =
(2)
* Local area network
* within a building
17–13 types of networks
CAN =
(2)
* Campus area network
* two or more buildings
Fig 17.8
campus area network
Fig 17.11
Ethernet in the first mile (EFM)
Fig 17.22
Network Address =
MAC Address =
Network address = 192.168.0.1
MAC address = 00-01-2F-C3-16-12
Fig 17.50
How many broadcast domains?
VLAN 1 = 5
- Switch A - ports 1,4,6
- Swithc B - ports 5,8
VLAN 2 = 3
- Switch A = port 3
- Swich B = ports 2,7
If no VLAN, the physical LAN would represent 1 single boardcast domain
