شبكات الحاسب السلكية واللاسلكية

networks & internet

networks & internet

:

/ / :

. . peer to peer. .

5

1/1/7 110

1

. :

- (Telecommunication Network)- (Computer Network)- () (Transmission (Transport) Network)- (Digital Sensor Network)

: :: : :: : :: : ::

7

2/1/7 111

2

:

: : ( )

: :

: ...

: 10

:

:

LAN

3/1/7 112 114

3

4/1/7 115

4 15/14

Circuit Switching

: ( ) () 15

Store/Forward Packet Switching

() () paket : 16

Virtual Circuit Switching

17

:

/ / :

. . .

1/2/7 117

1

:

22

:

Modem

+ ( )23

:

Hub

24

:

Switch

25

:

Bridge

26

:

Router

27

:

Hub

:

Bridge

:

Bridge

:

Switch

3/2/7 119 121

2

2/2/7 118

3 17

4/2/7 122

4 ( )

/ + 5/2/7 123

5 19/18

/ 6/2/7 124

6 20

Access Point

USBWi-Fi NIC

:

/ / :

Linksys Access Point . (TCP/IP) .

Linksys Access Point 1/3/7 126 139

1

2/3/7 140

2

3/3/7 141

3 22

TCP/IP

TCP/IP

: ( ) TCP ( ) + ( ) IP :1- 2-

1- 2- 3- PPP

(TCP/Ip) (OSI)

TCP/IP 5/3/7 143

4 23

:

/ / :

(IP) . (TCP/IP) . (IP) . .

4/3/7 142

1 22

56

57

(IP) (TCP/IP) 1/1/8 146

2 24-25

59

60

(TCP/IP)

61

Ip address 2/1/8 147

3 25

63

64

32 bit AddressDotted Decimal FormatIP address ClassesClass A1-126Class B128-191Class C192-223Class D224-239MulticastingClass EIp address


4

68

69

:

Ip address Broadcast 10.0.0.0255.0.0.0A10.0.0.110.255.255.25410.255.255.255192.168.1.0255.255.255.0C192.168.1.1192.168.1.254192.168.1.255172.16.0.0255.255.0.0B172.16.0.1172.16.255.254172.16.255.255


5 27 30

72

73

WWW / DNS / Email / FTP / HTTP / DHCP / Telnet

74

(HUB) (Switch) (Router) (Bridge) (TCP/IP) (IP) (TCP/IP) (IP) (WWW) (DNS) (E-mail) (File Transfer)

Technology

شبكات الحاسب السلكية واللاسلكية