ก ก 202103 Information Technology II
ก ก ก ก ก (LAN), ก LAN, ก
ก (LAN) ก ก ก LAN ก LAN ก
LAN Topology Bus
LAN Star
LAN Ring
LAN Wireless
LAN Wireless
LAN Wireless
ก (LAN) ก ก ก LAN ก LAN WAN ก
Random Access Z A B C D
Random Access D to B Z A B C D
Random Access D to B Z A B B 00100 B 00100 C D
Random Access D to B Z A B D OK D OK C D
Random Access A to Z Z A B Z 11111 Z 11111 C D
Random Access A to Z D to B Z A B B 00100 B 00100 Z 11111 Z 11111 C D
Random Access A to Z D to B Z A B C D
Token
Token
Token A B S C D
Token D to B A B S C D
Token D to B A B S B 00100 C D
Token D to B A B S C D
Token Ring D to B A B S C D
OSI 7 Layers Application Presentation Session Transport Network Data Link Physical
OSI 7 Layers Application Presentation Session Transport Network Data Link Physical LLC IEEE 802.2 MAC Physical 802.3 802.4 802.5 802.11
ก (LAN) ก ก ก LAN ก LAN WAN ก
ก LAN Ethernet CSMA/CD Token Ring Token & Ring
ก LAN Ethernet CSMA/CD 10BASE 2 10BASE 5 10BASE T 100BASE T 1000BASE T
Ethernet CSMA/CD D to B Z A B B 00100 B 00100 C D
ก LAN Token Ring Token & Ring IBM Token ก
Ethernet CSMA/CD A to Z D to B Z A B B 00100 B 00100 Z 11111 Z 11111 C D
Ethernet CSMA/CD
Ethernet CSMA/CD
Token Ring D to B A B S C D
Ethernet vs. Token Ring Data Rate Ethernet Token Ring 100 mbps S A B D C 16 mbps 8 Number of Computers
ก LAN Network Interface Card (NIC)
ก LAN HUB
WAN LAN ก ก Repeater, Router, Bridge ก ก Internet
Internet www.sut.ac.th library.sut.ac.th My Computer Name Server www.thairath.com
World Wide Web www.sut.ac.th library.sut.ac.th My Computer Matrix Code Emulator.scr Name Server www.thairath.com
World Wide Web www.sut.ac.th library.sut.ac.th My Computer Name Server www.thairath.com
World Wide Web 9 SQL ก IT I ก The data in the matrix is transferred over 7 layers. I will show you inside of the Matrix.
OSI 7 Layers Application Presentation Session Transport Network Data Link Physical
OSI 7 Layers Physical Layer ก 0 1 ก ก 1 0
OSI 7 Layers Application Presentation Session Transport Network Data Link Physical
OSI 7 Layers Data Link Layer /Physical Layer ก ก ก
OSI 7 Layers Application Presentation Session Transport Network Data Link Physical
OSI 7 Layers Network Layer ก ก
OSI 7 Layers Network Layer: Router
OSI 7 Layers Application Presentation Session Transport Network Data Link Physical
OSI 7 Layers Transport Layer ก Session Layer Network Layer ก ก ก
OSI 7 Layers Transport Layer
OSI 7 Layers Transport Layer I Love You I Love You
OSI 7 Layers Transport Layer I Love You I Love You
OSI 7 Layers Transport Layer Love You I I Love You
OSI 7 Layers Transport Layer Love I You I Love You
OSI 7 Layers Application Presentation Session Transport Network Data Link Physical
OSI 7 Layers Session Layer ก ก ก ก ก ก ก
OSI 7 Layers Application Presentation Session Transport Network Data Link Physical
OSI 7 Layers Presentation Layer 0 ก ASCII ก ก ก Syntax
OSI 7 Layers Presentation Layer I Love You I Love You
OSI 7 Layers Presentation Layer 1000 0001 1111 111100011000
OSI 7 Layers Presentation Layer Open Connection 0001 1111 Open Connection
OSI 7 Layers Application Presentation Session Transport Network Data Link Physical
OSI 7 Layers Application Layer ก ก ก HTTP, FTP, e-mail
OSI 7 Layers Application Layer HTTP
OSI 7 Layers Application Layer FTP
OSI 7 Layers Application Layer e-mail
OSI 7 Layers vs. TCP/IP Application Presentation Session Transport Network Data Link Physical Application TCP IP Data Link Physical
ก (Twisted Pair)
ก (Twisted Pair) (Coaxial Cable)
ก (Twisted Pair) (Coaxial Cable) ก (Optical Fiber)
ก (Twisted Pair) (Coaxial Cable) ก (Optical Fiber) (Satellites)
(LAN) ก ก ก LAN ก LAN ก Bus Star Ring Wireless
(LAN) ก ก ก LAN ก LAN ก Random Access Token
(LAN) ก ก ก LAN ก LAN ก Ethernet Token Ring
(LAN) ก ก ก LAN ก LAN ก Network Interface Card HUB
(LAN) ก ก ก LAN ก LAN ก Physical Data Link Network Transport Session Presentation Application