Que:
X.500 Directory Access Protocol:
Ans:
Ø The X.500 standard was developed jointly by the International
Telecommunications Union (ITU) and the International Standards Organization
(ISO).
Ø The standard defines a directory service that can be used for
the entire Internet. Because of its broad applicability, the X.500
specification is too complex for most organizations to implement.
Ø Also, because of its design, it is intended to publish
specific organizational directory entries across the Internet, which is
something most companies would not want to do.
Ø The X.500 directory tree starts with a root, just like the
other directory trees, and then breaks down into country (C), organization (O),
organizational unit (OU), and common name (CN) fields.
Ø To specify an X.500 address fully, you provide five fields,
as in the following:
CN=user name, OU=department,
OU=division, O=organization, C=country
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