1
PRESENTATION
2
APPLICATION
3
ACCESSPOINT
4
TRANSPORT
5
OSIMODEL
6
SESSION
7
NETWORK
8
WEBSITE
9
SWITCH
10
ROUTER
11
MODEM
12
HTTP
13
HUB
14
WAN
15
LAN
16
MAN
W
I
D
J
D
Z
O
E
E
O
S
I
M
O
D
E
L
T
U
W
Y
S
C
X
U
X
Q
M
A
J
I
J
A
E
O
F
E
I
G
E
Y
A
U
T
R
U
A
L
S
L
D
F
F
N
K
N
E
S
A
I
Q
W
S
I
A
N
M
T
C
B
E
M
Y
M
O
S
U
U
L
A
E
N
X
E
W
T
P
T
R
I
K
E
B
I
U
C
F
O
I
B
D
A
N
V
W
B
I
W
N
F
R
O
T
B
I
U
P
O
S
I
E
O
I
A
D
R
R
Y
E
N
C
A
O
R
M
A
O
I
R
U
I
X
W
N
U
U
T
A
E
O
T
I
O
P
I
K
T
I
U
O
G
O
U
Q
U
F
M
Z
O
N
S
I
H
E
I
E
N
O
W
I
O
A
O
A
L
S
N
S
E
A
A
D
A
Y
A
A
Z
T
B
M
R
C
Q
J
E
Q
M
S
M
O
O
U
U
N
U
A
A
E
A
H
L
C
G
R
H
O
E
D
P
T
T
H
M
C
U
Z
Q
R
C
T
L
N
E
U
U
R
O
A
U
B
M
I
I
U
L
A
E
T
A
Z
A
J
F
A
P
G
E
F
O
L
W
X
O
W
C
M
I
U
J
K
K
T
N
O
C
R
Y
P
H
O
G
A
M
B
R
W
T
R
O
P
S
N
A
R
T
P
D
O
L
N
E
E
E
E
S
U
B
Y
M
H
U
B
I
A