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Networking Basics Interview Questions and Answers For Freshers and Experience Part-12

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networking121. Expand IDEA.
IDEA stands for International Data Encryption Algorithm.

122. What is wide-mouth frog?
Wide-mouth frog is the simplest known key distribution center (KDC) authentication protocol.
123. What is Mail Gateway?
It is a system that performs a protocol translation between different electronic mail delivery protocols.

124. What is IGP (Interior Gateway Protocol)?

It is any routing protocol used within an autonomous system.

125. What is EGP (Exterior Gateway Protocol)?
It is the protocol the routers in neighboring autonomous systems use to identify the set of networks that can be reached within or via each autonomous system.

126. What is autonomous system?
It is a collection of routers under the control of a single administrative authority and that uses a common Interior Gateway Protocol.

127. What is BGP (Border Gateway Protocol)?
It is a protocol used to advertise the set of networks that can be reached with in an autonomous system. BGP enables this information to be shared with the autonomous system. This is newer than EGP (Exterior Gateway Protocol).

128. What is Gateway-to-Gateway protocol?
It is a protocol formerly used to exchange routing information between Internet core routers.

129. What is NVT (Network Virtual Terminal)?
It is a set of rules defining a very simple virtual terminal interaction. The NVT is used in the start of a Telnet session.

130. What is a Multi-homed Host?
It is a host that has a multiple network interfaces and that requires multiple IP addresses is called as a Multi-homed Host.

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