Answer / shekhar bijjuri

Web Server:
A Web server is a program that, using the client/server
model and the World Wide Web's Hypertext Transfer Protocol
( HTTP ), serves the files that form Web pages to Web users
(whose computers contain HTTP clients that forward their
requests). Every computer on the Internet that contains a
Web site must have a Web server program. Two leading Web
servers are Apache , the most widely-installed Web server,
and Microsoft's Internet Information Server ( IIS ). Other
Web servers include Novell's Web Server for users of its
NetWare operating system and IBM's family of Lotus Domino
servers, primarily for IBM's OS/390 and AS/400 customers.

Application server:
An application server is a server program in a computer in
a distributed network that provides the business logic for
an application program. The application server is
frequently viewed as part of a three-tier application,
consisting of a graphical user interface (GUI) server, an
application (business logic) server, and a database and
transaction server. More descriptively, it can be viewed as
dividing an application into:
A first-tier, front-end, Web browser-based graphical user
interface, usually at a personal computer or workstation
A middle-tier business logic application or set of
applications, possibly on a local area network or intranet
server
A third-tier, back-end, database and transaction server,
sometimes on a mainframe or large server

Answer / s.m.feroz ahmed

Hi,

Application Server has to be installed on server as well as
client .

Web Server is server where all company domains or sites are
registered with an ISP for browsing site globally.

SAP Application and .com site.

tell the function of Source record of DNS server. why we create Stub zone? Tell Round Robing also?

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