JAIIB · PPB

DATA COMMUNICATION NETWORK

Chapter notes, video classes, MCQ practice tests and quick-revision one-liners for Principles and Practices of Banking — JAIIB.

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What is a data communication network in the context of banking?

A data communication network is an interconnected system of computers, terminals, and communication links that enables banks to transmit data electronically between branches, data centers, and external entities.

What is a modem and what is its primary function in data communication?

Device that converts digital signals to analog and back.

What does the term 'bandwidth' refer to in data communication?

Bandwidth refers to the maximum rate of data transfer across a network path, typically measured in bits per second (bps), kilobits per second (Kbps), or megabits per second (Mbps).

What is the full form of MPLS and how is it used in banking networks?

Multi-Protocol Label Switching; used for fast, reliable WAN connectivity.

What is the difference between a LAN and a WAN in banking networks?

A LAN (Local Area Network) connects computers within a limited area like a single branch, while a WAN (Wide Area Network) connects multiple branches or offices spread across cities, states, or countries.

What is a proxy server and how does it benefit a bank's network?

Intermediary server that controls and filters internet access for security.

What is a Metropolitan Area Network (MAN) and how is it used by banks?

A MAN spans a city or metropolitan area and is used by banks to connect multiple branches within the same city to a central hub or data centre for real-time transaction processing.

What is the difference between half-duplex and full-duplex communication?

Half-duplex is one direction at a time; full-duplex is simultaneous two-way.

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