Tài liệu
MẠNG CĂN BẢN
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1
Mc
lc
Mc
lc
.....................................................................................................................................................
2
GII
THIU
............................................................................................................................................
16
GIÁO
TRÌNH
THUYT
......................................................................................................................
18
TÀI
LIU
THAM
KHO
...........................................................................................................................
18
Bài
1
GII
THIU
V
MNG
.................................................................................................................
19
Tóm
tt....................................................................................................................................................
19
Bài
1
GII
THIU
V
MNG
.................................................................................................................
20
I.
CÁC
KIN
THC
CƠ
S
...............................................................................................................
20
II.
CÁC
LOI
MNG
MÁY
TÍNH
..........................................................................................................
21
II.1.
Mng
cc
b
LAN
(Local
Area
Network)
...............................................................................
21
II.2.
Mng
đô
th
MAN
(Metropolitan
Area
Network).....................................................................
21
II.3.
Mng
din
rng
WAN
(Wide
Area
Network)..........................................................................
21
II.4.
Mng
Internet
........................................................................................................................
22
III.
CÁC
HÌNH
X
MNG
.........................................................................................................
22
III.1.
hình
x
mng
tp
trung
...............................................................................................
22
III.2.
hình
x
mng
phân
phi..............................................................................................
23
III.3.
hình
x
mng
cng
tác.
...............................................................................................
23
IV.
CÁC
HÌNH
QUN
MNG
....................................................................................................
24
IV.1.
Workgroup.............................................................................................................................
24
IV.2.
Domain
..................................................................................................................................
24
V.
CÁC
HÌNH
NG
DNG
MNG
................................................................................................
24
V.1.
Mng
ngang
hàng
(peer
to
peer)
..........................................................................................
24
V.2.
Mng
khách
ch
(client-
server)
............................................................................................
25
VI.
CÁC
DCH
V
MNG......................................................................................................................
25
VI.1.
Dch
v
tp
tin
(Files
Services)..............................................................................................
26
VI.2.
Dch
v
in
n
(Print
Services)
................................................................................................
26
VI.3.
Dch
v
thông
đip
(Message
Services)................................................................................
26
VI.4.
Dch
v
thư
mc
(Directory
Services)
..................................................................................
27
VI.5.
Dch
v
ng
dng
(Application
Services)
..............................................................................
27
VI.6.
Dch
v
cơ
s
d
liu
(Database
Services)
..........................................................................
27
VI.7.
Dch
v
Web
..........................................................................................................................
27
VII.
CÁC
LI
ÍCH
THC
T
CA
MNG..............................................................................................
27
VII.1.
Tiết
kim
được
tài
nguyên
phn
cng.
.................................................................................
27
VII.2.
Trao
đổi
d
liu
tr
nên
d
dàng
hơn.
..................................................................................
28
VII.3.
Chia
s
ng
dng..................................................................................................................
28
VII.4.
Tp
trung
d
liu,
bo
mt
backup
tt.
............................................................................
28
VII.5.
S
dng
các
phn
mm
ng
dng
trên
mng.
.....................................................................
28
VII.6.
S
dng
các
dch
v
Internet.
...............................................................................................
28
Bài
2
HÌNH
THAM
CHIU
OSI.........................................................................................................
29
Tóm
tt....................................................................................................................................................
29
I.
HÌNH
OSI.
.................................................................................................................................
30
I.1.
Khái
nim
giao
thc
(protocol).
.............................................................................................
30
I.2.
Các
t
chc
định
chun.
......................................................................................................
30
I.3.
hình
OSI.
.........................................................................................................................
30
I.4.
Chc
năng
ca
các
lp
trong
hình
tham
chiếu
OSI
........................................................
31
II.
QUÁ
TRÌNH
X
VN
CHUYN
CA
MT
GÓI
D
LIU.
.................................................
33
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Copyright(C) by Foxit Corporation,2005-2009
For Evaluation Only.
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2
II.1.
Quá
trình
đóng
gói
d
liu
(ti
máy
gi)
...............................................................................
33
II.2.
Quá
trình
truyn
d
liu
t
máy
gi
đến
máy
nhn.
.............................................................
34
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3
II.3.
Chi
tiết
quá
trình
x
ti
máy
nhn
.....................................................................................
34
III.
HÌNH
THAM
CHIU
TCP/IP.
....................................................................................................
35
III.1.
Vai
trò
ca
hình
tham
chiếu
TCP/IP.
...............................................................................
35
III.2.
Các
lp
ca
hình
tham
chiếu
TCP/IP..............................................................................
35
III.3.
Các
bước
đóng
gói
d
liu
trong
hình
TCP/IP................................................................
36
III.4.
So
sánh
hình
OSI
TCP/IP.
.........................................................................................
36
Bài
3
ĐỊA
CH
IP
.....................................................................................................................................
38
Tóm
tt....................................................................................................................................................
38
I.
TNG
QUAN
V
ĐỊA
CH
IP...........................................................................................................
39
II.
MT
S
KHÁI
NIM
THUT
NG
LIÊN
QUAN.......................................................................
39
III.
GII
THIU
CÁC
LP
ĐỊA
CH.
.....................................................................................................
40
III.1.
Lp
A.
...................................................................................................................................
40
III.2.
Lp
B.
...................................................................................................................................
41
III.3.
Lp
C.
...................................................................................................................................
41
III.4.
Lp
D
E.
...........................................................................................................................
42
III.5.
Bng
tng
kết.
.......................................................................................................................
42
III.6.
d
cách
trin
khai
đặt
địa
ch
IP
cho
mt
h
thng
mng.
................................................
42
III.7.
Chia
mng
con
(subnetting).
.................................................................................................
42
III.8.
Địa
ch
riêng
(private
address)
cơ
chế
chuyn
đổi
địa
ch
mng
(Network
Address
Translation
-
NAT)
..........................................................................................................................
45
III.9.
Cơ
chế
NAT
..........................................................................................................................
45
IV.
MT
S
CÂU
HI
THƯỜNG
ĐẶT
RA
KHI
LÀM
VIC
VI
ĐỊA
CH
IP.
.......................................
45
IV.1.
d
1.
..................................................................................................................................
45
IV.2.
d
2.
..................................................................................................................................
47
Bài
4
PHƯƠNG
TIN
TRUYN
DN
CÁC
THIT
B
MNG...........................................................
48
Tóm
tt....................................................................................................................................................
48
I.
GII
THIU
V
MÔI
TRƯỜNG
TRUYN
DN
..............................................................................
49
I.1.
Khái
nim
..............................................................................................................................
49
I.2.
Tn
s
truyn
thông
..............................................................................................................
49
I.3.
Các
đặc
tính
ca
phương
tin
truyn
dn.............................................................................
49
I.4.
Các
kiu
truyn
dn.
.............................................................................................................
50
II.
CÁC
LOI
CÁP................................................................................................................................
51
II.1.
Cáp
đồng
trc
(coaxial).
........................................................................................................
51
II.2.
Cáp
xon
đôi.
........................................................................................................................
53
II.3.
Cáp
quang
(Fiber-optic
cable)...............................................................................................
56
III.
ĐƯỜNG
TRUYN
TUYN........................................................................................................
58
III.1.
Sóng
tuyến
(radio).
...........................................................................................................
58
III.2.
Sóng
viba.
.............................................................................................................................
59
III.3.
Hng
ngoi.
...........................................................................................................................
59
IV.
CÁC
THIT
B
MNG......................................................................................................................
60
IV.1.
Card
mng
(NIC
hay
Adapter).
.............................................................................................
60
IV.2.
Card
mng
dùng
cáp
đin
thoi.
...........................................................................................
61
IV.3.
Modem.
.................................................................................................................................
62
IV.4.
Repeater.
..............................................................................................................................
63
IV.5.
Hub........................................................................................................................................
63
IV.6.
Bridge
(cu
ni).
....................................................................................................................
64
IV.7.
Switch....................................................................................................................................
64
IV.8.
Wireless
Access
Point...........................................................................................................
66
Edited by Foxit Reader
Copyright(C) by Foxit Corporation,2005-2009
For Evaluation Only.
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4
IV.9.
Router.
..................................................................................................................................
67