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(ISP and IP Address) (Domain Name (the text version of an IP
address.,…
(ISP and IP Address)
Domain Name
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Two (2) types of TLD:
–Generic TLD (gTLD)
–Country Code TLD (ccTLD)
•A generic TLD identifies the type of
organization associated with the domain.
•Country Code TLD identifies the country of
origin associated with the domain.
Examples:
–com -Commercial organizations, businesses, orcompanies
–gov -Government agencies
–org -Nonprofit organizations
–my -Malaysia
IP Address
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Versions
•Internet Protocol Version 4 (IPv4)
–The most widely used version of IP address.
–IPv4 uses a 32
-bit address scheme allowing for a total of 2
32addresses
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Structure of IPv4 Address
•IPv4 address has two parts:
–The network part (first three numbers) identifies
the network.
–The machine part (last number) identifies the
specific computer.
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Internet Protocol Version 6 (IPv6)
–The new version of IP address which has more
capabilities than IPv4 in providing more IP
addresses.
importance of IPv6
experienced a phenomenal
increase of devices accessing the Internet because of this increase, IPv4 addresses are
running out.
represented as eight
groups of four hexadecimal
digits, separated by colons (:)
Examples of IPV6 address
(full notation):
–2001:0db8:00a7:8ac4:0234:7bff:fe19:223c
–2001:0db8:0a0b:12f0:0000:0000:0000:0001
Responsibilities
•Provide and maintain a connection to
the Internet
•Provide hardware and software support to
the connection
•Protect against external threats such as
viruses, hackers and other
illegal activities
•Provide 24-hour customer service and
technical support
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Internet Address
an addressing system
much like the postal service to send data and
information to a computer at a specific
destination
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Also provide related services such as:
–Web site hosting and development
–Email hosting
–Domain name registration