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PROGRAM
BSc IT
SEMESTER
THIRD
SUBJECT
CODE &
NAME
BT0076,
TCP/IP
Qus:1
Define frame relay. Describe its format with diagram.
Answer:
Frame
Relay:
The frame relay network
provides a number of virtual circuits that form the basis for connections
between stations attached to the same frame relay network. The resulting set of
interconnected devices forms a private frame
Qus:2
Define ports and explain the two types of ports.
Answer:
Ports:
Each process that wants
to communicate with another process identifies itself to the TCP/IP protocol
suite by one or more ports. A port is a 16-bit number used by the host-to-host
protocol to identify
Q3.
Write note on:
1.
The Hierarchical Namespace
2.
Fully Qualified Domain Names (FQDNs)
Answer:
The Hierarchical
Namespace:
Consider the typical internal
structure of a large organization. Because the chief executive cannot do
everything, the organization will probably be partitioned into divisions, each
of them having autonomy within certain limits. Specifically, the executive in
charge of a division has authority to make direct
Qus:4
Define Telnet and explain its operation.
Answer:
Telnet:
Telnet is a standard
protocol with STD number 8. Its status is recommended. It is described in RFC
854 – Telnet Protocol Specifications and RFC 855 – Telnet Option
Specifications. The Telnet protocol provides a standardized interface, through
which a program on one host (the Telnet client) can access
Qus5.
Define and explain Internet Message Access Protocol (IMAP4).Describe
Fundamental IMAP4 Electronic Mail Models.
Answer:
Internet
Message Access Protocol (IMAP4):
The Internet Message
Access Protocol, Version 4 is an electronic messaging protocol with both client
and server functions. It is defined by RFC 3501. Similar to POP, IMAP4 servers
store messages for multiple users to be retrieved upon client requests, but the
IMAP4 model provides more functionality to
Q6.
Give an overview of HTTP operation.
Answer:
In most cases,
the HTTP communication is initiated by the user agent requesting a resource on
the origin server. In the simplest case, the
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