Data Communication Network and Eft Systems
Chapter notes, video classes, MCQ practice tests and quick-revision one-liners for Principles and Practices of Banking — JAIIB.
One-liners from this chapter
Free sample — 8 of 44 rapid-fire Q&A cards.
Twisted Pair — Construction / Speed / Distance / Banking Use?
Construction: Two insulated copper wires twisted to reduce cross-talk; Speed / Distance: Up to 150 m between terminal & computer; Banking Use: Cheapest; most popular for short LAN runs
Coaxial Cable — Construction / Speed / Distance / Banking Use?
Construction: Inner copper core, insulation, protective sheath; Speed / Distance: Up to 500 Mbps (digital); Banking Use: Higher bandwidth, prevents interference
Optical Fibre — Construction / Speed / Distance / Banking Use?
Construction: Very thin glass/plastic fibre carrying a beam of light; Speed / Distance: Up to 2 Gbps, very low error rate; Banking Use: Immune to electromagnetic interference; backbone of modern bank WANs
Simplex — Direction of Flow / Real-Life Example?
Direction of Flow: One way only; sender cannot receive, receiver cannot send; Real-Life Example: Commercial radio broadcast
Half-Duplex — Direction of Flow / Real-Life Example?
Direction of Flow: Both directions, but one at a time; Real-Life Example: Walkie-talkie
Full-Duplex (Duplex) — Direction of Flow / Real-Life Example?
Direction of Flow: Simultaneous two-way transmission; no direction-change delay; Real-Life Example: Telephone line
CHIPS (Clearing House Inter-bank Payment System) — Country / Year / Key Feature?
Country: USA (NY); Year / Key Feature: Started 1970; runs by NY clearing house; 99.9 % uptime; settles in Federal Reserve Bank; direct interface with SWIFT
CHAPS (Clearing House Automated Payment System) — Country / Year / Key Feature?
Country: UK; Year / Key Feature: Near-instant settlement; format derived from SWIFT; uses PSS (Packet Switched Stream); encryption & authentication
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