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Course Content
www, internet
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Content of this Chapter
Introduction to Internet
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Introduction to Internet
History of Internet
Features of the Internet
Internet Services
Computer Networks
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Basics of Computer Networks
Types of Network
LAN (Local Area Network)
MAN (MetroPolitan Area Network)
WAN (Wide Area Network)
PAN (Personal Area Network)
differences between LAN, MAN and WAN
Various Components of a Network
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Servers
Client
Transmission Media
Network Interface Card (NIC)
Local Operating System
Network Operating System
Network Devices
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Network Devices
Hub
Switch
Router
Repeater
Bridge
Gateway
Modem
Network Topology
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Network Topology
Bus Topology
Ring Topology
Star Topology
Mesh Topology
Tree Topology
Protocol
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Protocol
TCP
IP
HTTP
FTP
POP
SMTP
Ethernet
UDP
Telnet
HTTPS
WWW
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WWW
Website Address
Web Page
URL
Absolute URL
Relative URL
Domain Name
ISP and Role of ISP
Circuit-Switched Services
Packet Switched Services
Address
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IP Address
Class of IP Address
IPv6
MAC Address
IMEI
Modes of Connecting Internet
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Modes of Connecting Internet
Hotspot
LAN Cable
Wi-Fi Connection
Broadband Connections
USB Tethering
Web Browsers
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Web Browsers
Search Engine
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Search Engine
Web Crawling
Indexing
Search Algorithm
Some popular Search Engine
Transmission Media
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Transmission Media
Types of Transmission Media
Guided Media
Unguided Media
Connector
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Connector
RJ45
Straight Tip (ST)
Subscriber Connector (SC)
Lucent Connector (LC)
BNC
Cabling
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Cross Cable
Straight Cable
Applications of Internet
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Communication services
Information Retrieval Services
Web Services
Transmission
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Transmission
Transmission Modes
Simplex mode
Half duplex mode
Full duplex mode
Unicast
Multicast
Broadcast
OSI Model
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OSI Model
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer
DOD Model
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DOD Model
Types of DOD Model
Port No
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Port No.
WWW, Internet (Chapter-6) M1-R5.1/CCC
About Lesson

Hub:-

                 It is a centralized network connection to multiple computers with a central node or server. It has ports to join all the network channels. A Hub can be used to connect 4, 8, 16, 24 computers. Hub works on Half duplex and it is used in small network. It Broadcast to all connected computers.

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