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Bt0076
Winter
2015
1 What do you mean by RFC?
List and explain common terms and concepts used in TCP/IP.
Answer: Requests for Comments (RFCs)
The
standards for TCP/IP are published in a series of documents called Requests for
Comments (RFCs). RFCs describe the internal
2 What is the role of Internet
Protocol (IP)? How IP address are classified? Explain.
Answer: IP is the protocol that
hides the underlying physical network by creating a virtual network view. It is
an unreliable, best-effort, and connectionless packet delivery protocol. Note
that best-effort
3 Write note on:
1. The Hierarchical Namespace
2. Fully Qualified Domain
Names (FQDNs)
Answer: 1. 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 decisions, without permission from the chief executive Domain names
which are
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
5 Define and explain Internet
Message Access Protocol (IMAP4). Describe Fundamental IMAP4 Electronic Mail
Models.
Answer: 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 users than does the POP model. IMAP4
allows clients to have
6 Give an overview of HTTP
operation.
Answer: HTTP operation
In
most cases, the HTTP communication is initiated by the user agent requesting a
resource on the origin server. In the simplest case, the connection is
established through a single connection between the user
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